Per-Simon Kildal

Professor Per-Simon Kildal is an antenna specialist and the author of over 100 scientific journal articles. Awarded with several prestigeous international prizes, including the “Distinguished Achievement Award of the IEEE Antennas and Propagation Society”, Kildal has invented industrialized antennas used in successful products like Ericsson’s MINILINK. He has also designed large antennas, such as the Ø300m radio telescope in Arecibo, and is involved in developing technology for Square Kilometer Array (SKA). Kildal is the founder of Bluetest AB, providing new OTA measurement technology for wireless devices with MIMO. He teaches Antenna Engineering based on his antenna textbook and has supervised and lead 18 students to a PhD in antennas.

Source: chalmers.se

Publications

2017

Improvement of an octave bandwidth bowtie antenna design based on the analysis of a MIMO efficiency metric in random-LOS

Sadegh Mansouri Moghaddam, Andres Alayon Glazunov, Per-Simon Kildal et al
Microwave and Optical Technology Letters. Vol. 59 (6), p. 1229-1233
Journal article
2017

Wideband and High-Gain Corporate-Fed Gap Waveguide Slot Array Antenna With ETSI Class II Radiation Pattern in V-Band

Abbas Vosoogh, Per-Simon Kildal, Vessen Vassilev
IEEE Transactions on Antennas and Propagation. Vol. 65 (4), p. 1823-1831
Journal article
Show project
2017

Degrees of Freedom and Maximum Directivity of Antennas: A bound on maximum directivity of nonsuperreactive antennas

Per-Simon Kildal, E. Martini, Stefano Maci
IEEE Antennas and Propagation Magazine. Vol. 59 (4), p. 16-25
Journal article
2017

Useful Physical Images and Algorithms for Vector Dyadic Green's Functions [Wireless Corner]

Per-Simon Kildal, Zvonimir Sipus, Jian Yang et al
IEEE Antennas and Propagation Magazine. Vol. 59 (4), p. 106-116
Journal article
2017

OTA Testing of 3G-5G Devices with MIMO: From Anechoic Chambers to Reverberation Chambers and ... Back Again?

Per-Simon Kildal, Andres Alayon Glazunov
IEEE Antennas and Propagation Society International Symposium, p. 1697-1698
Paper in proceedings
2016

Demonstration of a micromachined planar distribution network in gap waveguide technology for a linear slot array antenna at 100 GHz

Sofia Rahiminejad, Ashraf Uz Zaman, Sjoerd Haasl et al
Journal of Micromechanics and Microengineering. Vol. 26 (7), p. Art. no. 074001-
Journal article
2016

V-band high efficiency corporate-fed 8×8 slot array antenna with ETSI class II radiation pattern based on gap technology

Abbas Vosoogh, Per-Simon Kildal
2016 IEEE Antennas and Propagation Society International Symposium, APSURSI 2016, Puerto Rico, 26 June - 1 July 2016, p. 803-804
Paper in proceedings
2016

Numerical Validation of Arecibo-Based Analytical Hat Antenna Theory Using Canonical PEC/PMC Strip Grids

Per-Simon Kildal, Abolfazl Haddadi, Jian Yang
2016 IEEE Antennas and Propagation Society International Symposium, APSURSI 2016, Fajardo, Puerto Rico, 26 June - 1 July 2016, p. 1877-1878
Paper in proceedings
2016

Gap adapters for screw redundant high frequency measurements

Sofia Rahiminejad, Elena Pucci, Sjoerd Haasl et al
Micronano System Workshop MSW 2016, 17-18 May, Lund, Sweden
Paper in proceedings
2016

Micromachined Linear Slot Array Antenna for 100 GHz with 10 dB Gain Using GAP Waveguide Technology

Sofia Rahiminejad, Ashraf Uz Zaman, Sjoerd Haasl et al
10th European Conference on Antennas and Propagation (EUCAP 2016)
Paper in proceedings
2016

Mm-Wave contactless connection for MMIC integration in gap waveguides

Alhassan Aljarosha, Rob Maaskant, Ashraf Uz Zaman et al
2016 IEEE Antennas and Propagation Society International Symposium, APSURSI 2016, Fajardo, Puerto Rico, 26 June - 1 July 2016, p. 253-254
Paper in proceedings
2016

Measured LTE Throughput for SISO, SIMO and MIMO in Polarization-Random-LOS

Madeleine Schilliger Kildal, Jan Carlsson, Andres Alayon Glazunov et al
2016 IEEE Antennas and Propagation Society International Symposium, APSURSI 2016, Fajardo, Puerto Rico, 26 June - 1 July 2016, p. 323-324
Paper in proceedings
2016

A multi-layer gap waveguide array antenna suitable for manufactured by die-sink EDM

Abbas Vosoogh, Per-Simon Kildal, Vessen Vassilev
2016 10th European Conference on Antennas and Propagation, EuCAP 2016, p. 7481259-
Paper in proceedings
2016

Different gap waveguide slot array configurations for mmwave fixed beam antenna application

Ashraf Uz Zaman, Per-Simon Kildal
10th European Conference on Antennas and Propagation, EuCAP 2016; Davos; Switzerland; 10 April 2016 through 15 April 2016, p. Art. no. 7481541-
Paper in proceedings
2016

A self-grounded dual-polarized wideband bowtie with improved MIMO performance in Random-LOS

Sadegh Mansouri Moghaddam, Per-Simon Kildal, Andres Alayon Glazunov et al
2016 IEEE Antennas and Propagation Society International Symposium, APSURSI 2016 - Proceedings, p. 531-532
Paper in proceedings
2016

Analyzing smart phones' 3D accelerometer measurements to identify typical usage positions in voice mode

Per H. Lehne, Andres Alayon Glazunov, Kashif Mahmood et al
10th European Conference on Antennas and Propagation, EuCAP 2016; Davos; Switzerland; 10 April 2016 through 15 April 2016, p. Art. no. 7481895-
Paper in proceedings
2016

Degrees of freedom of the field and maximum directivity

E. Martini, Per-Simon Kildal, S. Maci
2016 URSI International Symposium on Electromagnetic Theory, EMTS 2016, p. 775-776
Paper in proceedings
2016

Design of a double layer cavity backed slot array antenna in gap waveguide technology

Peiye Liu, Ashraf Uz Zaman, Per-Simon Kildal
21st International Symposium on Antennas and Propagation, ISAP 2016, Okinawa, Japan, 24-28 October 2016, p. 682-683
Paper in proceedings
2016

Antenna Measurements in Reverberation Chamber Using USRP

Ahmed Hussain, Andres Alayon Glazunov, Bjarni Thor Einarsson et al
IEEE Transactions on Antennas and Propagation. Vol. 64 (3), p. 1152-1157
Journal article
2016

Design of integrated diplexer-power divider

M. S. Sorkherizi, Abbas Vosoogh, Ahmed Kishk et al
IEEE MTT-S International Microwave Symposium Digest. Vol. 2016-August
Paper in proceedings
2016

Design of 8 × 8 Slot Array Antenna based on Inverted Microstrip Gap Waveguide

Jinlin Liu, Abbas Vosoogh, Ashraf Uz Zaman et al
2016 International Symposium on Antennas and Propagation (ISAP), p. 760-761
Paper in proceedings
2016

Optimizing the numerical port for inverted microstrip gap waveguide in full-wave simulators

Jinlin Liu, Ashraf Uz Zaman, Per-Simon Kildal
10th European Conference on Antennas and Propagation, EuCAP 2016, Davos, Switzerland, 10-15 April 2016, p. Article number 7481391-
Paper in proceedings
2016

Planar Eleven Antenna as a Wideband MIMO Micro-base Station Antenna

Wenjie Yu, Jian Yang, Per-Simon Kildal
2016 10th European Conference on Antennas and Propagation, EuCAP 2016, p. Art. no. 7481898-
Paper in proceedings
2016

Corporate distribution networks for slot array antenna based on groove gap waveguide technology

A. Farahbakhsh, D. Zarifi, Ashraf Uz Zaman et al
10th European Conference on Antennas and Propagation, EuCAP 2016, Davos, Switzerland, 10-15 April 2016, p. Art. no. 7481157-
Paper in proceedings
2016

Characterizing Polarization-MIMO Antennas in Random-LOS Propagation Channels

Aidin Razavi, Andres Alayon Glazunov, Per-Simon Kildal et al
IEEE Access. Vol. 4, p. 10067 - 10075
Journal article
2016

Simulations of a planar array arrangement for automotive Random-LOS OTA testing

Andres Alayon Glazunov, Aidin Razavi, Per-Simon Kildal
2016 10th European Conference on Antennas and Propagation, EuCAP 2016, p. 7481285-
Paper in proceedings
2016

W-band spatial power combiner and splitter in gap waveguide technology

Waqar Ali Shah, Rob Maaskant, Ashraf Uz Zaman et al
2016 IEEE Antennas and Propagation Society International Symposium, APSURSI 2016, Fajardo, Puerto Rico, 26 June - 1 July 2016, p. 255-256
Paper in proceedings
2016

Measured Probabilities of Detection for 1- and 2 Bitstreams of 2-port Car-roof Antenna in RIMP and Random-LOS

Madeleine Schilliger Kildal, Andres Alayon Glazunov, Jan Carlsson et al
2016 10th European Conference on Antennas and Propagation, EuCAP 2016
Paper in proceedings
2016

GAP waveguides

Ashraf Uz Zaman, Per-Simon Kildal
Handbook of Antenna Technologies. Vol. 4, p. 3273-3347
Book chapter
2016

Design and Fabrication of a High-Gain 60-GHz Corrugated Slot Antenna Array With Ridge Gap Waveguide Distribution Layer

D. Zarifi, A. Farahbakhsh, Ashraf Uz Zaman et al
IEEE Transactions on Antennas and Propagation. Vol. 64 (7), p. 2905-2913
Journal article
2016

Simple Formula for Aperture Efficiency Reduction Due to Grating Lobes in Planar Phased Arrays

Abbas Vosoogh, Per-Simon Kildal
IEEE Transactions on Antennas and Propagation. Vol. 64 (6), p. 2263-2269
Journal article
2016

Low-profile planar eleven antenna over a magnetic plane

Abolfazl Haddadi, P. Taghikhani, Jian Yang et al
2016 10th European Conference on Antennas and Propagation, EuCAP 2016, p. Art. no. 7481553-
Paper in proceedings
2016

Designing a dual-polarized octave bandwidth bowtie antenna for a linear array

Sadegh Mansouri Moghaddam, Per-Simon Kildal, Andres Alayon Glazunov et al
2016 10th European Conference on Antennas and Propagation, EuCAP 2016, p. Art. no. 7481892-
Paper in proceedings
2016

A high gain ridge gap waveguide fed slot antenna array for 60 GHz applications

D. Zarifi, A. Farahbakhsh, Ashraf Uz Zaman et al
10th European Conference on Antennas and Propagation, EuCAP 2016; Davos; Switzerland; 10 April 2016 through 15 April 2016, p. Art. no. 7481703-
Paper in proceedings
2016

AMC pin waveguide flange for screw redundant millimeter and submillimeter measurements

Sofia Rahiminejad, Elena Pucci, Vessen Vassilev et al
87th ARFTG Microwave Measurement Conference: Measurements for Emerging Communications Technologies, ARFTG 2016, p. 7501946-
Paper in proceedings
2016

A V-Band Inverted Microstrip Gap Waveguide End-Coupled Bandpass Filter

Abbas Vosoogh, Astrid Algaba Brazalez, Per-Simon Kildal
IEEE Microwave and Wireless Components Letters. Vol. 26 (4), p. 261-263
Journal article
Show project
2016

Design of transition from WR-15 to inverted microstrip gap waveguide

Jinlin Liu, Ashraf Uz Zaman, Per-Simon Kildal
2016 Global Symposium on Millimeter Waves, GSMM 2016 and ESA Workshop on Millimetre-Wave Technology and Applications, Espoo, Finland, 6-8 June 2016, p. 131-134
Paper in proceedings
2016

Millimeter Wave E-Plane Transition From Waveguide to Microstrip Line With Large Substrate Size Related to MMIC Integration

Ashraf Uz Zaman, Vessen Vassilev, Per-Simon Kildal et al
IEEE Microwave and Wireless Components Letters. Vol. 26 (7), p. 481-483
Journal article
2016

Corporate-Fed Planar 60 GHz Slot Array Made of Three Unconnected Metal Layers Using AMC pin surface for the Gap Waveguide

Abbas Vosoogh, Per-Simon Kildal
IEEE Antennas and Wireless Propagation Letters. Vol. 15, p. 1935-1938
Journal article
2016

Array-fed cylindrical reflector antenna for automotive OTA tests in Random Line-Of-Sight

Aidin Razavi, Andres Alayon Glazunov, Per-Simon Kildal et al
2016 10th European Conference on Antennas and Propagation, EuCAP 2016, p. 7481689-
Paper in proceedings
2016

E-band 3-D metal printed wideband planar horn array antenna

Abbas Vosoogh, Per-Simon Kildal, Vessen Vassilev et al
21st International Symposium on Antennas and Propagation, ISAP 2016, Okinawa, Japan, 24-28 October 2016, p. 304-305
Paper in proceedings
2016

Simple Boundary Condition for Canonical EBG Surface: PMC-Backed Uniaxial Medium

M. Bosiljevac, Z. Sipus, Per-Simon Kildal et al
IEEE Transactions on Antennas and Propagation. Vol. 64 (2), p. 785-U550
Journal article
2016

Spatial Power Combining and Splitting in Gap Waveguide Technology

Rob Maaskant, Waqar Ali Shah, Ashraf Uz Zaman et al
IEEE Microwave and Wireless Components Letters. Vol. 26 (7), p. 472-474
Journal article
2016

Polymer Gap Adapter for Contactless, Robust, and Fast Measurements at 220-325 GHz

Sofia Rahiminejad, Elena Pucci, Vessen Vassilev et al
Journal of Microelectromechanical Systems. Vol. 25 (1), p. 160-169
Journal article
2016

Half-height Pins – a New Pin Form in Gap Waveguide for Easy Manufacturing

F. Fan, Jian Yang, Per-Simon Kildal
2016 10th European Conference on Antennas and Propagation, EuCAP 2016, p. Art. no. 7481931-
Paper in proceedings
2016

Design of F-Band Transition From Microstrip to Ridge Gap Waveguide Including Monte Carlo Assembly Tolerance Analysis

Astrid Algaba Brazalez, Jonas Flygare, Jian Yang et al
IEEE Transactions on Microwave Theory and Techniques. Vol. 64 (4), p. 1245-1254
Journal article
2016

Modern Antenna Technologies Stimulated by the Arecibo Radio Telescope Upgrade Project 1984-1997

Per-Simon Kildal, M. Davis
2016 Ieee Antennas and Propagation Society International Symposium, p. 379-380
Paper in proceedings
2015

A New 2x2 Microstrip Patch Sub-array for 60GHz Wideband Planar Antenna with Ridge Gap Waveguide Distribution Layer

Ashraf Uz Zaman, Per-Simon Kildal
9th European Conference on Antennas and Propagation, EuCAP 2015, Lisbon, Portugal, 13-17 May 2015
Paper in proceedings
2015

A groove gap Waveguide Iris Filter for V-band Application

Morteza Rezaee, Ashraf Uz Zaman, Per-Simon Kildal
23rd Iranian Conference on Electrical Engineering (ICEE), 2015, p. 462-465
Paper in proceedings
2015

An Air-filled Cavity-backed 2×2 Slot Sub-array Fed by Inverted Microstrip Gap Waveguide

Seyed Ali Razavi, Per-Simon Kildal
9th European Conference on Antennas and Propagation, EuCAP 2015, Lisbon, Portugal, 13-17 May 2015
Paper in proceedings
2015

Design and Validation of Microstrip Gap Waveguides and Their Transitions to Rectangular Waveguide, for Millimeter-Wave Applications

Astrid Algaba Brazalez, Eva Rajo, J.-L. Vazquez-Roy et al
IEEE Transactions on Microwave Theory and Techniques. Vol. 63 (12), p. 4035-4050
Journal article
2015

Design of Sector Antenna with Wideband 2D Hat-fed Reflector for Wireless Communications

Zhixing Chen, Jian Yang, Per-Simon Kildal
International Symposium on Antennas and Propagation (ISAP), Hobart, Australia, 9-12 November, 2015, p. Art no 7447340-
Paper in proceedings
2015

The Simple Truth about Effects of Mutual Coupling in MIMO Arrays for Single and Multiple Bit Streams in Rich Isotropic Multipath

Per-Simon Kildal, Chen Xiaoming
9th European Conference on Antennas and Propagation, EuCAP 2015, Lisbon, Portugal, 13-17 May 2015
Paper in proceedings
2015

Design of a transition from WR-15 to microstrip packaged by gap waveguide technology

Astrid Algaba Brazalez, Eva Rajo, Per-Simon Kildal
ISAP 2014 - 2014 International Symposium on Antennas and Propagation, Conference Proceedings, Taiwan, 2-5 December 2014, p. 235-236
Paper in proceedings
2015

Interpreting the Total Isotropic Sensitivity and Diversity Gain of LTE-enabled wireless devices from Over The Air Throughput Measurements in Reverberation Chambers

Ahmed Hussain, Per-Simon Kildal, Andres Alayon Glazunov
IEEE Access. Vol. 3, p. 131-145
Journal article
2015

Fundamental Directivity Limitations of Dense Array Antennas: A Numerical Study Using Hannan´s Embedded Element Efficiency

Per-Simon Kildal, Abbas Vosoogh, Stefano Maci
IEEE Antennas and Wireless Propagation Letters, p. 766-769
Journal article
2015

Study of Grating Efficiency of Planar Arrays

Abbas Vosoogh, Per-Simon Kildal
9th European Conference on Antennas and Propagation, EuCAP 2015, Lisbon, Portugal, 13-17 May 2015
Paper in proceedings
2015

Measuring user-induced-randomness to evaluate smart phone performance in real envi-ronments

Per Hjalmar Lehne, Kashif Mahmood, Andres Alayon Glazunov et al
9th European Conference on Antennas and Propagation, EuCAP 2015, Lisbon, Portugal, 13-17 May 2015
Paper in proceedings
2015

Effects of Mutual Coupling on LTE MIMO Capacity for Monopole Array: Comparing Reverberation Chamber Tests and Drive Tests

H. J. Song, A. Bekaryan, J. H. Schaffner et al
IEEE Antennas and Wireless Propagation Letters. Vol. 14, p. 454-457
Journal article
2015

Double Broadband Balun Structure Using CRLH TL for Differential Excitation of Dual-Polarized Self-Grounded Bow-Tie Antenna

Sadegh Mansouri Moghaddam, Andres Alayon Glazunov, Jian Yang et al
PIERS 2015
Paper in proceedings
2015

V-Band Groove Gap Waveguide Diplexer

Morteza Rezaee, Ashraf Uz Zaman, Per-Simon Kildal
9th European Conference on Antennas and Propagation, EuCAP 2015, Lisbon, Portugal, 13-17 May 2015, p. 1-4
Paper in proceedings
2015

Devising a Horizontal Chamber Array for Automotive OTA Tests in Random Line-Of-Sight

Andres Alayon Glazunov, Per-Simon Kildal, Madeleine Schilliger Kildal
International Symposium on Antennas and Propagation (ISAP), Hobart, Australia, 9-12 November, 2015, p. Art. no. 7447285-
Paper in proceedings
2015

Investigation of Polarization Deficiencies in SIMO Systems in Random-LOS Propagation Channels

Aidin Razavi, Andres Alayon Glazunov, Per-Simon Kildal et al
2015 INTERNATIONAL SYMPOSIUM ON ANTENNAS AND PROPAGATION (ISAP)
Paper in proceedings
2015

Preparing for GBit/s coverage in 5G: Massive MIMO, PMC packaging by gap waveguides, OTA testing in random-LOS

Per-Simon Kildal
Loughborough Antennas and Propagation Conference, LAPC 2015, Burleigh Court International Conference Centre, Loughborough University, United Kingdom, 2-3 November
Paper in proceedings
2015

Cost-effective measurement setups for testing wireless communication to vehicles in reverberation chambers and anechoic chambers

Per-Simon Kildal, Andres Alayon Glazunov, Jan Carlsson et al
2014 IEEE Conference on Antenna Measurements and Applications, CAMA 2014, Antibes Juan-les-Pins, France, 16-19 November 2014, p. Art. no. 7003428-
Paper in proceedings
2015

Double broadband balun structure using CRLH TL for differential excitation of dual-polarized self-grounded bow-tie antenna

Sadegh Mansouri Moghaddam, John Kvarnstrand, Andres Alayon Glazunov et al
Progress in Electromagnetics Research Symposium, PIERS 2015,Prague, p. 1966-1970
Conference contribution
2015

High Efficiency 2x2 Cavity-Backed Slot Sub-array for 60 GHz Planar Array Antenna Based on Gap Technology

Abbas Vosoogh, Per-Simon Kildal
2015 INTERNATIONAL SYMPOSIUM ON ANTENNAS AND PROPAGATION (ISAP)
Paper in proceedings
2015

Investigation of mode stirring with plate on platform in a reverberation chamber

Madeleine Schilliger Kildal, Chen Xiaoming, Per-Simon Kildal et al
9th European Conference on Antennas and Propagation, EuCAP 2015, Lisbon, Portugal, 13-17 May 2015
Paper in proceedings
2015

Comparison of 2-bitstream Polarization-MIMO Performance of 2 and 4-port Bowtie Antennas for LTE in Random-LOS

Sadegh Mansouri Moghaddam, Andres Alayon Glazunov, Jian Yang et al
International Symposium on Antennas and Propagation (ISAP)
Paper in proceedings
2015

MIMO OTA Testing of a Communication System Using SDRs in a Reverberation Chamber

Ahmed Hussain, Bjarni Thor Einarsson, Per-Simon Kildal
IEEE Antennas and Propagation Magazine. Vol. 57 (2), p. 44-53
Journal article
2015

Comparison of 2-bitstream polarization-MIMO performance of 2 and 4-port bowtie antennas for LTE in random-LOS

Sadegh Mansouri Moghaddam, Andres Alayon Glazunov, Jian Yang et al
2015 International Symposium on Antennas and Propagation, ISAP 2015
Paper in proceedings
2015

Initial Measured OTA Throughput of 4G LTE Communication to Cars with Roof-Mounted Antennas in 2D Random-LOS

Madeleine Schilliger Kildal, John Kvarnstrand, Jan Carlsson et al
International Symposium on Antennas and Propagation (ISAP), Hobart, Australia, 9-12 November, 2015, p. Article no 7447419-
Paper in proceedings
2015

Impact of the Spatial User Distribution on the Coverage Antenna Pattern of Maximum Ratio Combining in Random Line-Of-Sight

Andres Alayon Glazunov, Per-Simon Kildal, Jan Carlsson et al
9th European Conference on Antennas and Propagation, EuCAP 2015, Lisbon, Portugal, 13-17 May 2015
Paper in proceedings
2015

On S-Parameter based Complex Correlation of Multi- Port Antenna

Chen Xiaoming, Per-Simon Kildal
9th European Conference on Antennas and Propagation, EuCAP 2015, Lisbon, Portugal, 13-17 May 2015
Paper in proceedings
2015

Design of a Cavity-backed Slot Array Unit Cell on Inverted Microstrip Gap Waveguide

Jinlin Liu, Abbas Vosoogh, Ashraf Uz Zaman et al
International Symposium on Antennas and Propagation (ISAP)
Paper in proceedings
2015

Optimizing Small Wideband Antenna Performance for Both RIMP and Random-LOS

Per-Simon Kildal, Chen Xiaoming, Andres Alayon Glazunov
9th European Conference on Antennas and Propagation, EuCAP 2015, Lisbon, Portugal, 13-17 May 2015
Paper in proceedings
2015

Design of Millimeter-Wave Wideband Gap Waveguide Transitions Considering Integration into the Antenna System

Astrid Algaba Brazalez, Eva Rajo, Per-Simon Kildal
9th European Conference on Antennas and Propagation, EuCAP 2015, Lisbon, Portugal, 13-17 May 2015
Paper in proceedings
2015

Verification of the Rician K-factor-based uncertainty model for measurements in reverberation chambers

X. M. Chen, Per-Simon Kildal, Jan Carlsson
IET Science, Measurement and Technology. Vol. 9 (5), p. 534-539
Journal article
2014

Direct-Coupled Cavity Filter in Ridge Gap Waveguide

M. S. Sorkherizi, A. Khaleghi, Per-Simon Kildal
IEEE Transactions on Components, Packaging and Manufacturing Technology. Vol. 4 (3), p. 490-495
Journal article
2014

Measurements of relative Throughput in Reverberation Chamber using Universal Software Radio Peripheral

Bjarni Thor Einarsson, Ahmed Hussain, Per-Simon Kildal
8th European Conference on Antennas and Propagation, EuCAP 2014, The Hague, The Netherlands 6-11 April 2014, p. 1105-1108
Paper in proceedings
2014

Improved MIMO Throughput With Inverse Power Allocation - Study Using USRP Measurement in Reverberation Chamber

Chen Xiaoming, Bjarni Thor Einarsson, Per-Simon Kildal
IEEE Antennas and Wireless Propagation Letters. Vol. 13, p. 1494-1496
Journal article
2014

Comparing Throughputs of 2×2 Spatial Multiplexing MIMO Systems with and without CSI at the Transmit Side in Rich Isotropic Multipath Environments

Chen Xiaoming, Per-Simon Kildal, Bjarni Thor Einarsson et al
8th European Conference on Antennas and Propagation, EuCAP 2014, The Hague, The Netherlands 6-11 April 2014, p. 3493-3494
Paper in proceedings
2014

Revisiting the Complex Correlation in a MIMO System

Chen Xiaoming, Per-Simon Kildal, Jan Carlsson
8th European Conference on Antennas and Propagation, EuCAP 2014, The Hague, The Netherlands 6-11 April 2014, p. 2735 - 2739
Paper in proceedings
2014

Characterization of multi-antenna systems in RIMP and random-LOS environments using probability of detection of different bit streams

Chen Xiaoming, Per-Simon Kildal
2014 31th URSI General Assembly and Scientific Symposium, URSI GASS 2014, p. Art. no. 6929029-
Paper in proceedings
2014

MICROMACHINED GAP WAVEGUIDE DEVICES FOR ABOVE 100 GHZ

Sofia Rahiminejad, Elena Pucci, Ashraf Uz Zaman et al
10TH MICRONANO SYSTEM WORKSHOP
Paper in proceedings
2014

Design of 60GHz Planar Array Antennas Using PCB-based Microstrip-Ridge Gap Waveguide and SIW

Seyed Ali Razavi, Per-Simon Kildal, Liangliang Xiang et al
8th European Conference on Antennas and Propagation, EuCAP 2014, The Hague, The Netherlands 6-11 April 2014, p. 1825-1828
Paper in proceedings
2014

Rectangular waveguides and Gap Waveguides using Pin Grid Array (PGA) and Ball Grid Array (BGA) Technologies

Farid Hadavy, STEFAN CARLSSON, Per-Simon Kildal et al
Patent application
2014

Microstrip-Ridge Gap Waveguide – Study of Losses, Bends and Transition to WR-15

Syed Hasan Raza Zaidi, Jian Yang, Per-Simon Kildal et al
IEEE Transactions on Microwave Theory and Techniques. Vol. 62 (9), p. 1943 - 1952
Journal article
2014

Characterization and modeling of measurement uncertainty in a reverberation chamber with a rotating mode stirrer

Chen Xiaoming, Per-Simon Kildal, Jan Carlsson
IEEE International Symposium on Electromagnetic Compatibility, p. 296-300
Paper in proceedings
2014

Metasurfing since 1987 - A personal story involving soft and hard surfaces, EBG surfaces, cloaking, gap waveguides and mass production

Per-Simon Kildal
IEEE Antennas and Propagation Society, AP-S International Symposium (Digest), p. 529-530
Paper in proceedings
2014

Investigation of Transitions for Use in Inverted Microstrip Gap Waveguide Antenna Arrays

Astrid Algaba Brazalez, Eva Rajo, Per-Simon Kildal
8th European Conference on Antennas and Propagation, EuCAP 2014, The Hague, The Netherlands 6-11 April 2014, p. 995 - 999
Paper in proceedings
2014

OTA characterization of μBTS antenna in RIMP and random-LOS

Mattias Gustafsson, Mats Andersson, Chen Xiaoming et al
8th European Conference on Antennas and Propagation, EuCAP 2014, The Hague, The Netherlands 6-11 April 2014, p. 1394 - 1397
Paper in proceedings
2014

60GHz Slot-Array Antenna Design Based on Gap Waveguide Cavity and Gap Waveguide Feed

Ashraf Uz Zaman, Per-Simon Kildal
Paper in proceedings
2014

Planar Dual-Mode Horn Array with Corporate-Feed Network in Inverted Microstrip Gap Waveguide

Elena Pucci, Eva Rajo, J.-L. Vazquez-Roy et al
IEEE Transactions on Antennas and Propagation. Vol. 62 (7), p. 3534 - 3542
Journal article
2014

Fundamental Limitations on Small Multi-Beam Antennas for MIMO Systems

Per-Simon Kildal, Chen Xiaoming
8th European Conference on Antennas and Propagation, EuCAP 2014, The Hague, The Netherlands 6-11 April 2014, p. 329-331
Paper in proceedings
2014

Arrangements and Applications of Self-grounded Antennas

Jian Yang, Ali Al-Rawi, Syed Hasan Raza Zaidi et al
8th European Conference on Antennas and Propagation, EuCAP 2014, The Hague, The Netherlands 6-11 April 2014, p. 79 - 83
Paper in proceedings
2014

MIMO Characterization on System Level of 5G Micro Base Stations Subject to Ran-domness in LOS

Per-Simon Kildal, Chen Xiaoming, Mattias Gustafsson et al
IEEE Access. Vol. 2 (2014), p. 1064 - 1077
Journal article
2014

Estimating TIS of 4G LTE devices from OTA throughput measurements in reverberation chamber

Ahmed Hussain, Per-Simon Kildal
2014 IEEE Conference on Antenna Measurements and Applications, CAMA 2014, Antibes Juan-les-Pins; France; 16 November 2014 through 19 November 2014, p. Art. no. 7003441-
Paper in proceedings
2014

Wideband Compact 4-Port Dual Polarized Self-Grounded Bowtie Antenna

Syed Hasan Raza Zaidi, Ahmed Hussain, Jian Yang et al
IEEE Transactions on Antennas and Propagation. Vol. 62 (9), p. 4468-4473
Journal article
2014

OTA Characterization of mu BTS Antenna in RIMP and Random-LOS

M. Gustafsson, M. Andersson, Chen Xiaoming et al
2014 8th European Conference on Antennas and Propagation (Eucap). Hague, NETHERLANDS. APR 06-11, 2014, p. 1394-1397
Paper in proceedings
2014

Gap Waveguide PMC Packaging for Improved Isolation of Circuit Components in High-Frequency Microwave Modules

Ashraf Uz Zaman, Mats Alexanderson, Tin Vukusic et al
IEEE Transactions on Components, Packaging and Manufacturing Technology. Vol. 4 (1), p. 16-25
Journal article
2014

Verifying detection probabilities for MIMO system in reverberation chamber

Chen Xiaoming, Per-Simon Kildal
2014 IEEE Conference on Antenna Measurements and Applications, CAMA 2014, Antibes Juan-les-Pins; France; 16 November 2014 through 19 November 2014, p. Art. no. 7003377-
Paper in proceedings
2014

Fast and Accurate Analysis of Reflector Antennas with Phased Array Feeds Including Multiple Reflections between Feed and Reflector

Oleg Iupikov, Rob Maaskant, Marianna Ivashina et al
IEEE Transactions on Antennas and Propagation. Vol. 62 (7), p. 3450 - 3462
Journal article
2014

Wide-Band Slot Antenna Arrays With Single-Layer Corporate-Feed Network in Ridge Gap Waveguide Technology

Ashraf Uz Zaman, Per-Simon Kildal
IEEE Transactions on Antennas and Propagation. Vol. 62 (6), p. 2992-3001
Journal article
2014

Micromachined gap waveguide devices for above 100 GHz

Sofia Rahiminejad, Elena Pucci, Ashraf Uz Zaman et al
Swedish Microwave Days March 11-12, 2014
Paper in proceedings
2014

Prospective new PMC based gap waveguide shielding for microwave modules

Ashraf Uz Zaman, Eva Rajo, Per-Simon Kildal
IEEE International Symposium on Electromagnetic Compatibility, EMC Europe 2014; Swedish Exhibition and Congress CentreGothenburg; Sweden; 1 September 2014 through 4 September 2014, p. 459-463
Paper in proceedings
2014

2×2-slot Element for 60GHz Planar Array Antenna Realized on Two Doubled-sided PCBs Using SIW Cavity and EBG-type Soft Surface fed by Microstrip-Ridge Gap Waveguide

S. A. Razavi, Per-Simon Kildal, L. Xiang et al
IEEE Transactions on Antennas and Propagation. Vol. 62 (9), p. 4564 - 4573
Journal article
2014

Overview of state-of-the-art OTA measurements of wireless devices in reverberation chamber

Chen Xiaoming, Per-Simon Kildal, Ahmed Hussain et al
IEEE International Symposium on Electromagnetic Compatibility, EMC Europe 2014; Swedish Exhibition and Congress CentreGothenburg; Sweden; 1 September 2014 through 4 September 2014, p. 301-306
Paper in proceedings
2013

Micromachined Groove Gap Waveguides for 100 GHz applications

Sofia Rahiminejad, Syed Hasan Raza Zaidi, Ashraf Uz Zaman et al
7th European Conference on Antennas and Propagation, EuCAP 2013, Gothenburg, Sweden, 8-12 April 2013
Paper in proceedings
2013

Rethinking the Wireless Channel for OT A testing and Network Optimization by Including User Statistics:RIMP, pure-LOS, Throughput and Detection Probability

Per-Simon Kildal
ISAP 2013 - Proceedings of the 2013 International Symposium on Antennas and Propagation. Vol. 1, p. 6-9
Paper in proceedings
2013

Parabolic cylindrical reflector antenna at 60 GHz with line feed in gap waveguide technology

Esperanza Alfonso Alos, Per-Simon Kildal
7th European Conference on Antennas and Propagation, EuCAP 2013, Gothenburg, Sweden, 8-12 April 2013, p. 319-323
Paper in proceedings
2013

Ka-Band Gap Waveguide Coupled-Resonator Filter for Radio Link Diplexer Application

Esperanza Alfonso Alos, Ashraf Uz Zaman, Per-Simon Kildal
IEEE Transactions on Components, Packaging and Manufacturing Technology. Vol. 3 (5), p. 870-879
Journal article
2013

Linear slot array design in ridge gap waveguide technology

Ashraf Uz Zaman, Per-Simon Kildal
7th European Conference on Antennas and Propagation, EuCAP 2013, Gothenburg, Sweden, 8-12 April 2013
Paper in proceedings
2013

Near-field characteristics of amended DB boundary conditions

M. Bosiljevac, Zvonimir Sipus, Per-Simon Kildal
7th European Conference on Antennas and Propagation, EuCAP 2013, Gothenburg, Sweden, 8-12 April 2013
Paper in proceedings
2013

Evaluation of cross-coupling inside gap-waveguides

Zvonimir Sipus, M. Bosiljevac, Per-Simon Kildal
7th European Conference on Antennas and Propagation, EuCAP 2013, Gothenburg, Sweden, 8-12 April 2013, p. 3090-3091
Paper in proceedings
2013

Investigation of the Distribution of the Random LOS Component in a Reverberation Chamber

Chen Xiaoming, Per-Simon Kildal, Jan Carlsson
7th European Conference on Antennas and Propagation, EuCAP 2013, Gothenburg, Sweden, 8-12 April 2013, p. 2551-2554
Paper in proceedings
2013

Gap waveguides and PMC packaging: Octave bandwidth mm- and submm-wave applications of soft & hard surfaces, EBGs and AMCs

Per-Simon Kildal
Asia-Pacific Microwave Conference Proceedings, APMC, p. 34-36
Paper in proceedings
2013

Study of the characteristic impedance of gap waveguide microstrip line realized with square metal pins

Syed Hasan Raza Zaidi, Jian Yang, Per-Simon Kildal
7th European Conference on Antennas and Propagation, EuCAP 2013, Gothenburg, Sweden, 8-12 April 2013, p. 3001-3005
Paper in proceedings
2013

Corrections to: "Channel Sounding of Loaded Reverberation Chamber for Over-the-Air Testing of Wireless Devices-Coherence Bandwidth Versus Average Mode Bandwidth and Delay Spread (vol 8, pg 678, 2009)"

Chen Xiaoming, Per-Simon Kildal, Charlie Orlenius et al
IEEE Antennas and Wireless Propagation Letters. Vol. 12, p. 1728-1728
Journal article
2013

Micromachined gap waveguides for 100 GHz applications

Sofia Rahiminejad, Syed Hasan Raza Zaidi, Ashraf Uz Zaman et al
2013 7th European Conference on Antennas and Propagation, EuCAP 2013, p. 1935-1938
Paper in proceedings
2013

Packaging of MMIC by using gap waveguide and design of a microstrip to ridge gap waveguide transition

Ashraf Uz Zaman, Per-Simon Kildal
2013 3rd Asia-Pacific Microwave Conference, APMC 2013; Seoul; South Korea; 5 November 2013 through 8 November 2013, p. 10-12
Paper in proceedings
2013

Study of OTA Throughput of 4G LTE Wireless Terminals for Different System Bandwidths and Coherence Bandwidths

Ahmed Hussain, Per-Simon Kildal
7th European Conference on Antennas and Propagation, EuCAP 2013, Gothenburg, Sweden, 8-12 April 2013, p. 312-314
Paper in proceedings
2013

New Approach to OTA Testing: RIMP and pure-LOS as Extreme Environments & a Hypothesis

Per-Simon Kildal, Jan Carlsson
7th European Conference on Antennas and Propagation, EuCAP 2013, Gothenburg, Sweden, 8-12 April 2013, p. 315-318
Paper in proceedings
2013

In Memoriam: Olof Dahlsjö

Per-Simon Kildal, A. Derneryd, P. Ingvarson et al
IEEE Antennas and Propagation Magazine. Vol. 55 (2), p. 142-142
Magazine article
2013

Definition of Antenna Diversity Gain in User-Distributed 3D-Random Line-Of-Sight

Per-Simon Kildal, Ulf Carlberg, Jan Carlsson
Journal of Electromagnetic Engineering and Science. Vol. 13 (2), p. 86-92
Journal article
2013

Overview of developments of the eleven Feeds

Jian Yang, Per-Simon Kildal, Miroslav Pantaleev
7th European Conference on Antennas and Propagation, EuCAP 2013, Gothenburg, Sweden, 8-12 April 2013, p. 553-557
Paper in proceedings
2013

Design of a Dual-Mode Horn Element for Microstrip Gap Waveguide Fed Array

Elena Pucci, Eva Rajo, Per-Simon Kildal
7th European Conference on Antennas and Propagation, EuCAP 2013, Gothenburg, Sweden, 8-12 April 2013, p. 3086-3089
Paper in proceedings
2013

Correlation between far-field patterns on both sides of the head of two-port antenna on mobile terminal

Ahmed Hussain, Per-Simon Kildal, Ulf Carlberg et al
ISAP 2013 - Proceedings of the 2013 International Symposium on Antennas and Propagation. Vol. 1, p. 288-289
Paper in proceedings
2013

Wideband Receivers for VLBI2010 Applications

Anders Emrich, T. Ekebrand, S. Andersson et al
Progress in Electromagnetics Research Symposium, PIERS 2013, Stockholm, Sweden, August 12-15, 2013
Paper in proceedings
2013

Ku band linear slot-array in ridge gapwaveguide technology

Ashraf Uz Zaman, Per-Simon Kildal
2013 7th European Conference on Antennas and Propagation, EuCAP 2013, p. 3078-3081
Paper in proceedings
2013

EuCAP 2013 in Gothenburg, Sweden: "An Impressive Success"

Per-Simon Kildal, Jan Carlsson, Staffan Sjödin
IEEE Antennas and Propagation Magazine. Vol. 55 (3), p. 276-278
Magazine article
2013

Evaluation of losses of the ridge gap waveguide at 100 GHz

Astrid Algaba Brazalez, Elena Pucci, Sofia Rahiminejad et al
IEEE Antennas and Propagation Society, AP-S International Symposium (Digest), p. 1456-1457
Paper in proceedings
2013

Study of Q-Factors of Ridge and Groove Gap Waveguide Resonators

Elena Pucci, Ashraf Uz Zaman, Eva Rajo et al
IET Microwaves, Antennas and Propagation. Vol. 7 (11), p. 900-908
Journal article
2013

Design of a simple transition from microstrip to ridge gap waveguide suited for MMIC and antenna integration

Ashraf Uz Zaman, Tin Vukusic, Mats Alexanderson et al
IEEE Antennas and Wireless Propagation Letters. Vol. 12, p. 1558 - 1561
Journal article
2013

Simple models for multiplexing throughputs in open- and closed-loop MIMO systems with fixed modulation and coding for OTA applications

Chen Xiaoming, Per-Simon Kildal, Gustafsson Mattias
International Symposium on Antennas and Propagation (ISAP 2013), p. 888-891
Paper in proceedings
2013

Diversity gains of multiport mobile terminals in multipath for talk positions on both sides of the head

Ahmed Hussain, Per-Simon Kildal, Ulf Carlberg et al
2013 7th European Conference on Antennas and Propagation, EuCAP 2013, p. 863-866
Paper in proceedings
2013

Characterization of Implemented Algorithm for MIMO Spatial Multiplexing in Reverberation Chamber

Chen Xiaoming, Per-Simon Kildal, Mattias Gustafsson
IEEE Transactions on Antennas and Propagation. Vol. 61 (8), p. 4400-4404
Journal article
2013

100 GHz SOI Gap Waveguides

Sofia Rahiminejad, Astrid Algaba Brazalez, Syed Hasan Raza Zaidi et al
The 17th International Conference on Solid-State Sensors, Actuators and Microsystems, p. 510-513
Paper in proceedings
2013

Resemblance Between Gap Waveguides and Hollow Waveguides

Syed Hasan Raza Zaidi, Jian Yang, Per-Simon Kildal et al
IET Microwaves, Antennas and Propagation. Vol. 7 (15), p. 1221-1227
Journal article
2013

Efficiency, Correlation, and Diversity Gain of UWB Multiport Self-Grounded Bow-Tie Antenna in Rich Isotropic Multipath Environment

Ahmed Hussain, Per-Simon Kildal, Ali Al-Rawi et al
9th International Workshop on Antenna Technology (iWAT). Karlsruhe, GERMANY. MAR 04-06, 2013, p. 336-339
Paper in proceedings
2013

Rethinking the Wireless Channel for OTA testing and Network Optimization by Including User Statistics: RIMP, pure-LOS, Throughput and Detection Probability

Per-Simon Kildal
2013 PROCEEDINGS OF THE INTERNATIONAL SYMPOSIUM ON ANTENNAS AND PROPAGATION (ISAP), VOLS 1 AND 2. Vol. 1, 2
Conference contribution
2013

Suppression of Parallel Plate Modes in Low Frequency Microstrip Circuit Packages Using Lid of Printed Zigzag Wires

Eva Rajo, Elena Pucci, A. A. Kishk et al
IEEE Microwave and Wireless Components Letters. Vol. 23 (7), p. 359-361
Journal article
2013

Design of a four-element horn antenna array fed by inverted microstrip gap waveguide

Elena Pucci, Eva Rajo, J.-L. Vazquez-Roy et al
IEEE International Symposium on Antennas and Propagation, AP-S 2013, Orlando, USA, July 7-12, 2013, p. 1226-1227
Paper in proceedings
2013

MRC Diversity and MIMO Capacity Evaluations of Multi-Port Antennas Using Reverberation Chamber and Anechoic Chamber

Chen Xiaoming, Per-Simon Kildal, Jan Carlsson et al
IEEE Transactions on Antennas and Propagation. Vol. 61 (2), p. 917-926
Journal article
2012

Capacity characterization of Eleven antenna in different configurations for MIMO applications using reverberation chamber

Chen Xiaoming, Per-Simon Kildal, Jian Yang et al
Proceedings of 6th European Conference on Antennas and Propagation, EuCAP 2012. Prague, 26-30 March 2012, p. 1571-1575
Paper in proceedings
2012

LTE MIMO multiplexing performance measured in reverberation chamber and accurate simple theory

Per-Simon Kildal, Ahmed Hussain, Giuseppe Durisi et al
Proceedings of 6th European Conference on Antennas and Propagation, EuCAP 2012. Prague, 26-30 March 2012, p. 2299-2302
Paper in proceedings
2012

Contactless flanges and shielded probes

Per-Simon Kildal
Patent application
2012

Theoretical models for improving OTA measurement quality of throughput of LTE devices with MIMO and OFDM in reverberation chamber

Per-Simon Kildal, Charlie Orlenius
USNC-URSI National Radio Science Meeting, Chicago, USA, July 8-14 2012
Paper in proceedings
2012

Numerical Prepackaging with PMC Lid - Efficient and Simple Design Procedure for Microstrip Circuits Including the Packaging

A. Kishk, Ashraf Uz Zaman, Per-Simon Kildal
Applied Computational Electromagnetics Society Journal. Vol. 27 (5), p. 389-398
Journal article
2012

Design of Compact Dual-Polarized 1.2–10 GHz Eleven Feed for Decade Bandwidth Radio Telescopes

Jian Yang, Miroslav Pantaleev, Per-Simon Kildal et al
IEEE Transactions on Antennas and Propagation. Vol. 60 (5), p. 2210-2218
Journal article
2012

Comparison of parallel-plate Green’s function acceleration techniques

Pegah Takook, Rob Maaskant, Per-Simon Kildal
Proceedings of 6th European Conference on Antennas and Propagation, EuCAP 2012. Prague, 26-30 March 2012, s. 1311-1315, p. 1311-1315
Paper in proceedings
2012

Investigation of a Microstrip-to-Ridge Gap Waveguide transition by electromagnetic coupling

Astrid Algaba Brazalez, Ashraf Uz Zaman, Per-Simon Kildal
IEEE Antennas and Propagation Society, AP-S International Symposium (Digest), p. 1-2
Paper in proceedings
2012

Slot antenna in ridge gap waveguide technology

Ashraf Uz Zaman, Per-Simon Kildal
Proceedings of 6th European Conference on Antennas and Propagation, EuCAP 2012. Prague, 26-30 March 2012, p. 3243-3244
Paper in proceedings
2012

Fast analysis of gap waveguides using the characteristic basis function method and the parallel-plate Green’s function

Rob Maaskant, Pegah Takook, Per-Simon Kildal
2012 International Conference on Electromagnetics in Advanced Applications (ICEAA), Cape Town, WP, South Africa, 2-8 Sept 2012, p. 788-791
Paper in proceedings
2012

Contactless non-leaking waveguide flange realized by bed of nails for millimeter wave applications

Elena Pucci, Per-Simon Kildal
Proceedings of 6th European Conference on Antennas and Propagation, EuCAP 2012. Prague, 26-30 March 2012, p. 3533-3536
Paper in proceedings
2012

Design and System Integration of 2-14 GHz Eleven Feed for VLBI2010

Miroslav Pantaleev, Jian Yang, T. Ekebrand et al
Swedish Radio and Microwave Days 2012, RVK2012, Stockholm, 4-8 March 2012
Conference poster
2012

Ka-band gap waveguide coupled-resonator filter for radio link diplexers

Esperanza Alfonso Alos, Per-Simon Kildal
XXVII Simposium Nacional de la Unión Científica Internacional de Radio, URSI 2012 (Spanish URSI), Elche, Spain, 12-14 September 2012
Paper in proceedings
2012

OTA Testing in Multipath of Antennas and Wireless Devices With MIMO and OFDM

Per-Simon Kildal, Charlie Orlenius, Jan Carlsson
Proceedings of the IEEE. Vol. 100 (7), p. 2145-2157
Paper in proceedings
2012

Design of a coplanar waveguide-to-ridge gap waveguide transition via capacitive coupling

Astrid Algaba Brazalez, Ashraf Uz Zaman, Per-Simon Kildal
Proceedings of 6th European Conference on Antennas and Propagation, EuCAP 2012. Prague, 26-30 March 2012, p. 3524-3528
Paper in proceedings
2012

Narrow-Band Microwave Filter Using High-Q Groove Gap Waveguide Resonators With Manufacturing Flexibility and No Sidewalls

Ashraf Uz Zaman, Per-Simon Kildal, A. A. Kishk
IEEE Transactions on Components, Packaging and Manufacturing Technology. Vol. 2 (11), p. 1882-1889
Journal article
2012

New Microstrip Gap Waveguide on Mushroom-Type EBG for Packaging of Microwave Components

Elena Pucci, Eva Rajo, Per-Simon Kildal
IEEE Microwave and Wireless Components Letters. Vol. 22 (3), p. 129-131
Journal article
2012

Metamatrial based packaging method for improved isolation of circuit elements in microwave modules

Ashraf Uz Zaman, Mubarak Ellis, Per-Simon Kildal
7th European Microwave Integrated Circuits Conference, EuMIC 2012 - Held as Part of 15th European Microwave Week, EuMW 2012; Amsterdam; Netherlands; 29 October 2012 through 30 October 2012, p. 834-837
Paper in proceedings
2012

Diversity Gains in Random Line-Of-Sight and Rich Isotropic Multipath Environment

Jan Carlsson, Ulf Carlberg, Per-Simon Kildal
2012 Loughborough Antennas & Propagation Conference (LAPC), Lough-borough, England, 12-13 Nov., 2012
Paper in proceedings
2012

Evaluation of multi element antennas in reverberation chamber

Charlie Orlenius, Christian Lötbäck Patané, Anton Skårbratt et al
IEEE Antennas and Propagation Society, AP-S International Symposium (Digest)
Paper in proceedings
2012

Bed of Springs for Packaging of Microstrip Circuits in the Microwave Frequency Range

Eva Rajo, Per-Simon Kildal, Ashraf Uz Zaman et al
IEEE Transactions on Components, Packaging and Manufacturing Technology. Vol. 2 (10), p. 1623-1628
Journal article
2012

Experimental and theoretical study of OTA throughput of 4G LTE wireless terminals for different system bandwidths and coherence bandwidths in Rich Isotropic Multipath

Ahmed Hussain, Per-Simon Kildal
2012 IEEE International Conference on Wireless Information Technology and Systems, ICWITS 2012; Maui, HI; United States; 11 November 2012 through 16 November 2012, p. Art. no. 6417811-
Paper in proceedings
2012

Fabrication method for high-frequency components

Sjoerd Haasl, Peter Enoksson, Per-Simon Kildal
Patent application
2012

Characterization of Reverberation Chambers for OTA Measurements of Wireless Devices: Physical Formulations of Channel Matrix and New Uncertainty Formula

Per-Simon Kildal, Chen Xiaoming, Charlie Orlenius et al
IEEE Transactions on Antennas and Propagation. Vol. 60 (8), p. 3875-3891
Journal article
2012

Gap waveguide components for millimeter-wave systems. Couplers, filters, antennas, MMIC packaging

Esperanza Alfonso Alos, Ashraf Uz Zaman, Elena Pucci et al
International Symposium on Antennas and Propagation, ISAP 2012, Oct 29-Nov. 2 2012, Nagoya, Japan, p. 243-246
Paper in proceedings
2012

MIMO LTE OTA measurements in reverberation chamber: rich isotropic reference environment makes agreement with theoretical system model

Per-Simon Kildal, Charlie Orlenius, Ulf Carlberg
Proceedings of 6th European Conference on Antennas and Propagation, EuCAP 2012. Prague, 26-30 March 2012, p. 1536-1539
Paper in proceedings
2012

Micromachined Ridge Gap Waveguide and Resonator for Millimeter-Wave Applications

Sofia Rahiminejad, Ashraf Uz Zaman, Elena Pucci et al
Sensors and Actuators, A: Physical. Vol. 186 (Special Issue: SI), p. 264-269
Journal article
2012

Analysis of the strut and feed blockage effects in radio telescopes with compact UWB feeds

Wan-Chun Liao, Marianna Ivashina, Per-Simon Kildal et al
6th European Conference on Antennas and Propagation, EuCAP 2012; Prague; Czech Republic; 26 March 2012 through 30 March 2012, p. 611-615
Paper in proceedings
2012

Micromachined Ridge Gap Waveguide and Resonator for 220-325 GHz

Sofia Rahiminejad, Ashraf Uz Zaman, Elena Pucci et al
Micronano Systems Workshop
Conference poster
2012

Analytical modeling and experimental verification of coupling between transmission lines in gap-waveguides

M. Bosiljevac, Zvonimir Sipus, Per-Simon Kildal
Proceedings of 6th European Conference on Antennas and Propagation, EuCAP 2012. Prague, 26-30 March 2012, p. 1402-1406
Paper in proceedings
2012

Verification of K-factor Based Formula for Measurement Uncertainty in Reverberation Chamber

Chen Xiaoming, Erik K Engvall, Per-Simon Kildal
URSI National Radio Science Meeting
Paper in proceedings
2012

Evaluation of losses in microstrip gap waveguide for slot antennas applications

Elena Pucci, Eva Rajo, Per-Simon Kildal
IEEE Antennas and Propagation Society, AP-S International Symposium (Digest), p. 1-2
Paper in proceedings
2012

Modeling system throughput of single and multi-port wireless LTE devices

Ahmed Hussain, Per-Simon Kildal, Giuseppe Durisi
IEEE Antennas and Propagation Society, AP-S International Symposium (Digest)
Paper in proceedings
2012

Improved Microstrip Filters Using PMC Packaging by Lid of Nails

Astrid Algaba Brazalez, Ashraf Uz Zaman, Per-Simon Kildal
IEEE Transactions on Components, Packaging and Manufacturing Technology. Vol. 2 (7), p. 1075-1084
Journal article
2012

A study of uncertainty models in a reverberation chamber at NIST

Erik K Engvall, C. L. Holloway, J. M. Ladbury et al
IEEE Antennas and Propagation Society, AP-S International Symposium (Digest)
Paper in proceedings
2012

Development of the cryogenic 2-14 GHz eleven feed system for VLBI2010

Jian Yang, Miroslav Pantaleev, T. Ekebrand et al
6th European Conference on Antennas and Propagation, EuCAP 2012; Prague; Czech Republic; 26 March 2012 through 30 March 2012, p. 621-625
Paper in proceedings
2011

New low loss inverted microstrip line using gap waveguide technology for slot antenna applications

Elena Pucci, Ashraf Uz Zaman, Eva Rajo et al
Proceedings of the 5th European Conference on Antennas and Propagation, EUCAP 2011. Rome, 11-15 April 2011, p. 979-982
Paper in proceedings
2011

The PMC-Amended DB Boundary - A Canonical EBG Surface

Per-Simon Kildal, A. Kishk, M. Bosiljevac et al
Applied Computational Electromagnetics Society Journal. Vol. 26 (2), p. 96-108
Journal article
2011

Progress report on developing metamaterial EBG-based gap waveguide components and packaging solutions between 1 GHz and several 100 Ghz

Per-Simon Kildal, Ashraf Uz Zaman, Eva Rajo et al
URSI National Radio Science Meeting, Spokane, USA, 3-8 July, 2011
Paper in proceedings
2011

New BOR1 and decoupling efficiencies for characterizing ultra-wideband reflectors and feeds for future radio telescopes

Per-Simon Kildal, Jian Yang, Marianna Ivashina
Proceedings of the 5th European Conference on Antennas and Propagation, EUCAP 2011. Rome, 11-15 April 2011, p. 3712-3714
Paper in proceedings
2011

Simple calculation of ergodic capacity of lossless two-port antenna system using only S-parameters – Comparison with common Z-parameter approach

Chen Xiaoming, Per-Simon Kildal, Jan Carlsson
IEEE Antennas and Propagation Society, AP-S International Symposium (Digest), p. 1885-1888
Paper in proceedings
2011

Optimization of reflection coefficient of large log-periodic array by computing only a small part of it

Jian Yang, Per-Simon Kildal
IEEE Transactions on Antennas and Propagation. Vol. 59 (6), p. 1790-1797
Journal article
2011

Review of recent developments of the eleven feed for future decade bandwidth radio telescopes

Jian Yang, Miroslav Pantaleev, Per-Simon Kildal et al
30th URSI General Assembly and Scientific Symposium, URSIGASS 2011, Istanbul, 13-20 August 2011, p. Art. no. 6051291-
Paper in proceedings
2011

Wearable textile antennas’ efficiency characterization using a reverberation chamber

P. J. Soh, G.A.E Vandenbosch, Chen Xiaoming et al
IEEE Antennas and Propagation Society, AP-S International Symposium (Digest), p. 810-813
Paper in proceedings
2011

Micromachined ridge gap waveguide for sub millimeter and millimeter wave applications

Sofia Rahiminejad, Ashraf Uz Zaman, Elena Pucci et al
MME 2011: 22nd Micromechanics and Micro Systems Europe Workshop, June 19-22, 2011, Toensberg, Norway
Paper in proceedings
2011

Cryogenic 2-13 GHz Eleven feed for reflector antennas in future wideband radio telescopes

Jian Yang, Miroslav Pantaleev, Per-Simon Kildal et al
IEEE Transactions on Antennas and Propagation. Vol. 59 (6), p. 1918-1934
Journal article
2011

Design of Band-Pass Filter Using Gap Waveguide Technology

Ashraf Uz Zaman, Astrid Algaba Brazalez, Per-Simon Kildal
Millimetre Wave Days, 23-25 May 2011, Espoo Finland (6th ESA Workshop on Millimetre-Wave Technology and Applications and 4th Global Symposium on Millimeter Waves)
Paper in proceedings
2011

Fast Converging Measurement of MRC Diversity Gain in Reverberation Chamber Using Covariance-Eigenvalue Approach

Chen Xiaoming, Per-Simon Kildal, Jan Carlsson
IEICE Transactions on Electronics. Vol. E94C (10), p. 1657-1660
Journal article
2011

Study of Random Line-of-Sight Caused by Arbitrary User Positions and Orientations with Application to MIMO OTA Measurements of Wireless Devices

Ulf Carlberg, Per-Simon Kildal, Jan Carlsson
ISAP2011, Jeju, Korea, 15-18 October 2011
Paper in proceedings
2011

Design and experimental verification of ridge gap waveguides in bed of nails for parallel plate mode suppression

Per-Simon Kildal, Ashraf Uz Zaman, Eva Rajo et al
IET Microwaves, Antennas and Propagation. Vol. 5 (3), p. 262-270
Journal article
2011

Comparison of Ergodic Capacities From Wideband MIMO Antenna Measurements in Reverberation Chamber and Anechoic Chamber

Chen Xiaoming, Per-Simon Kildal, Jan Carlsson et al
IEEE Antennas and Wireless Propagation Letters. Vol. 10, p. 446-449
Journal article
2011

Uncertainties in estimating ergodic MIMO capacity and diversity gain of multiport antenna systems with different port weights

Ahmed Hussain, Per-Simon Kildal, Jan Carlsson
Proceedings of the 5th European Conference on Antennas and Propagation, EUCAP 2011. Rome, 10-15 April 2011, p. 310-314
Paper in proceedings
2011

The Method of Equivalent Dipole Moments (MEDM) - a Novel CBFM Approach for the Fast and Accurate Solution of Dielectric-Scattering Problems

Muhammad Naeem, Rob Maaskant, D. kant et al
Proceedings - 13th International Conference on Electromagnetics in Advanced Applications, ICEAA'11, Torino, 12-16 September 2011, s. 1013-1016, p. 1013-1016
Paper in proceedings
2011

Comparisons of different methods to determine correlation applied to multi-port UWB eleven antenna

Chen Xiaoming, Per-Simon Kildal, Jan Carlsson
Proceedings of the 5th European Conference on Antennas and Propagation, EUCAP 2011. Rome, 11-15 April 2011, p. 1776-1780
Paper in proceedings
2011

Including embedded element antenna characteristics in winner ii channel models and comparison with isotropic propagation environment

Ulf Carlberg, Per-Simon Kildal, Jan Carlsson
Proceedings of the 5th European Conference on Antennas and Propagation, EUCAP 2011. Rome, 11-15 April 2011, p. 2038-2041
Paper in proceedings
2011

Compact dual-polarized 1.2 - 10 GHz eleven feed by folding outer elements for large decade-bandwidth radio telescopes

Jian Yang, Miroslav Pantaleev, Per-Simon Kildal et al
IEEE Antennas and Propagation Society, AP-S International Symposium (Digest), p. 843-846
Paper in proceedings
2011

The gap waveguide as a metamaterial-based electromagnetic packaging technology enabling integration of MMICS and antennas up to THz

Per-Simon Kildal, Stefano Maci, Alejandro Valero-Nogueira et al
Proceedings of the 5th European Conference on Antennas and Propagation, EUCAP 2011. Rome, 11-15 April 2011, p. 3715-3718
Paper in proceedings
2011

Design of Micromachined Ridge Gap Waveguides for Millimeter-Wave Applications

Sofia Rahiminejad, Ashraf Uz Zaman, Elena Pucci et al
Proc. Eurosensors XXV, September 4-7, 2011, Athens, Greece. Vol. 25, p. 519-522
Paper in proceedings
2011

Measurement uncertainties of capacities of multi-antenna system in anechoic chamber and reverberation chamber

Chen Xiaoming, Per-Simon Kildal, Jan Carlsson
Proceedings of the International Symposium on Wireless Communication Systems.The 8th International Symposium on Wireless Communication Systems, ISWCS'11, Aachen, 6 -9 November 2011, p. 216-220
Paper in proceedings
2011

Modelling EBG surfaces using amended DB boundary conditions

Marko Bosiljevac, Zvonimir Sipus, Per-Simon Kildal et al
European Conference on Antennas and Propagation 2011, 11-15 April 2011, Rome
Paper in proceedings
2011

State-of-the-art measurements of LTE terminal antenna performance using reverberation chamber

J. Åsberg, Anton Skårbratt, Charlie Orlenius et al
Proceedings of the 5th European Conference on Antennas and Propagation, EUCAP 2011. Rome, 11-15 April 2011, p. 1763-1766
Paper in proceedings
2011

Improving microstrip filters with gap waveguide packaging

Astrid Algaba Brazalez, Ashraf Uz Zaman, Elena Pucci et al
Proceedings of the 5th European Conference on Antennas and Propagation, EUCAP 2011. Rome, 11-15 April 2011, p. 1080-1084
Paper in proceedings
2011

Dispersion Characteristics of a Metamaterial-Based Parallel-Plate Ridge Gap Waveguide Realized by Bed of Nails

A. Polemi, S. Maci, Per-Simon Kildal
IEEE Transactions on Antennas and Propagation. Vol. 59 (3), p. 904-913
Journal article
2011

Measurements of RFID Tag Sensitivity in Reverberation Chamber

Jacob Hidén Rudander, Ikram Ikram E-Khuda, Per-Simon Kildal et al
IEEE Antennas and Wireless Propagation Letters. Vol. 10, p. 1345 - 1348
Journal article
2011

Increasing parallel plate stop-band in gap waveguides using inverted pyramid-shaped nails for slot array application above 60GHz

Ashraf Uz Zaman, Vessen Vassilev, Per-Simon Kildal et al
Proceedings of the 5th European Conference on Antennas and Propagation, EUCAP 2011. Rome, 11-15 April 2011, p. 2254-2257
Paper in proceedings
2011

Estimation of average Rician K-factor and average mode bandwidth in loaded reverberation chamber

Chen Xiaoming, Per-Simon Kildal, Szhau Lai
IEEE Antennas and Wireless Propagation Letters. Vol. 10, p. 1437-1440
Journal article
2011

Spatial correlations of incremental sources in isotropic environment such as reverberation chamber

Chen Xiaoming, Per-Simon Kildal, Jan Carlsson
Proceedings of the 5th European Conference on Antennas and Propagation, EUCAP 2011. Rome, 11-15 April 2011, p. 1753-1757
Paper in proceedings
2011

About Random LOS in Rician Fading Channels for MIMO OTA Tests

Ahmed Hussain, Per-Simon Kildal, Ulf Carlberg et al
ISAP2011, Jeju, Korea, 15-18 October 2011
Paper in proceedings
2011

Algorithm and modeling for fast optimization and design of large log-periodic array antennas with commercial EM solvers

Jian Yang, Per-Simon Kildal
Proceedings of the 5th European Conference on Antennas and Propagation, EUCAP 2011. Rome, 11-15 April 2011, p. 3946-3949
Paper in proceedings
2011

Developing hard waveguides based on gap waveguide concept

Eva Rajo, Per-Simon Kildal, Stefano Maci
Metamaterials '2011, The Fifth International Congress on Advanced Elec-tromagnetic Materials in Microwaves and Optics, Barcelona, Spain, 10-15 October 2011
Paper in proceedings
2011

Determination of maximum doppler shift in reverberation chamber using level crossing rate

Chen Xiaoming, Per-Simon Kildal, Jan Carlsson
Proceedings of the 5th European Conference on Antennas and Propagation, EUCAP 2011. Rome, 11-15 April 2011
Paper in proceedings
2011

Estimation of Average Rician K-factor in Reverberation Chamber

Chen Xiaoming, Per-Simon Kildal, Jan Carlsson
International Symposium on Antennas and Propagation
Paper in proceedings
2011

Numerical studies of bandwidth of parallel-plate cut-off realised by a bed of nails, corrugations and mushroom-type electromagnetic bandgap for use in gap waveguides

Eva Rajo, Per-Simon Kildal
IET Microwaves, Antennas and Propagation. Vol. 5 (3), p. 282-289
Journal article
2011

Threshold Receiver Model for Throughput of Wireless Devices with MIMO and Frequency Diversity Measured in Reverberation Chamber

Per-Simon Kildal, Ahmed Hussain, Chen Xiaoming et al
IEEE Antennas and Wireless Propagation Letters. Vol. 10, p. 1201-1204
Journal article
2010

Multipath emulator for Simulation of wireless terminals' performance

Nima Jamaly, Jan Carlsson, Per-Simon Kildal
Gigahertz Symposium 2010, Lund University, 9-10 March 2010
Paper in proceedings
2010

Validation of ridge gap waveguide performance using in-house TRL calibration kit

Ashraf Uz Zaman, Per-Simon Kildal, Mattias Ferndahl et al
EuCAP 2010 Fourth European Conference on Antennas and Propagation, Barcelona, 12-16 April 2010
Paper in proceedings
2010

EBG-based gap waveguide for applications up to THz

A.A. Kishk, Per-Simon Kildal, Eva Rajo et al
META'10, International Conference on Metamaterials, Photonic crystals and Plasmonics, Cairo, 22-25 February 2010
Paper in proceedings
2010

Doppler Spread in Reverberation Chamber Predicted From Measurements During Step-Wise Stationary Stirring

Kristian Karlsson, Chen Xiaoming, Per-Simon Kildal et al
IEEE Antennas and Wireless Propagation Letters. Vol. 9, p. 497 - 500
Journal article
2010

Electromagnetic scattering from circular cylinders with PEC/PMC boundaries

M. A. kishk, A. A. Kishk, Per-Simon Kildal
2010 IEEE International Symposium on Antennas and Propagation, Toronto, July 11-17, 2010
Paper in proceedings
2010

Reduction of radiation from central exciting region of Eleven feed and pattern improvements for VLBI 2010 applications

Yogesh Karandikar, Jian Yang, Per-Simon Kildal
EuCAP 2010 Fourth European Conference on Antennas and Propagation, Barcelona, 12-16 April 2010, p. Art. no. 5505151-
Paper in proceedings
2010

Compact formulas for diversity gain of two-port antennas

Nima Jamaly, Per-Simon Kildal, Jan Carlsson
IEEE Antennas and Wireless Propagation Letters. Vol. 9, p. 970-973
Journal article
2010

Design of microwave circuits in ridge gap waveguide technology

E. Alfonso, Mariano Baquero, Per-Simon Kildal et al
IEEE MTT-S International Microwave Symposium Digest, p. 1544 - 1547
Paper in proceedings
2010

Power divider in ridge gap waveguide technology

E. Alfonso, Mariano Baquero, A. Valero-Nogueira et al
EuCAP 2010 Fourth European Conference on Antennas and Propagation, Barcelona, 12-16 April 2010
Paper in proceedings
2010

Performance of different theoretical small antennas in isotropic 3-D and horizontal 2-D multipath environments with application to OTA testing

Per-Simon Kildal, Nima Jamaly, Jan Carlsson
2010 IEEE International Symposium on Antennas and Propagation, Toronto, July 11-17, 2010
Paper in proceedings
2010

Development of a compact Eleven feed cryostat for the Patriot 12m antenna

C Beaudoin, Per-Simon Kildal, Jian Yang et al
Sixth IVS General Meeting (International VLBI Service for Geodesy and As-trometry), February 7-13, 2010, Hobart, TAS, Australia
Paper in proceedings
2010

On diversity performance of two-element coupling element based antenna structure for mobile terminal

A.A.H. Azremi, J. Toivanen, T. Laitinen et al
EuCAP 2010 Fourth European Conference on Antennas and Propagation, Barcelona, 12-16 April 2010
Paper in proceedings
2010

Design of cryogenic 2-14 GHz Eleven feed for reflector antennas for future radio telescopes

Jian Yang, Miroslav Pantaleev, Per-Simon Kildal et al
Gigahertz Symposium 2010, Lund University, 9-10 March 2010
Paper in proceedings
2010

Compact Formulas for Diversity Gain of Two-Port Antennas

Nima Jamaly, Per-Simon Kildal, Jan Carlsson
IEEE Antennas and Wireless Propagation Letters. Vol. 9, p. 970-973
Magazine article
2010

Packaging of microstrip circuits using gap waveguide approach

Eva Rajo, Ashraf Uz Zaman, Per-Simon Kildal et al
Gigahertz Symposium 2010, Lund University, 9-10 March 2010
Paper in proceedings
2010

Comparison of two decade bandwidth feeds for reflector antennas: Eleven antenna and quadridge horn

Jian Yang, S Pivnenko, Per-Simon Kildal
EuCAP 2010 Fourth European Conference on Antennas and Propagation, Barcelona, 12-16 April 2010
Paper in proceedings
2010

Effects of intrinsic radiation Q on mismatch factor of three types of small antennas: single-resonance, gradual-transition and cascaded-resonance types

Daniel Nyberg, Per-Simon Kildal, Jan Carlsson
IET Microwaves, Antennas and Propagation. Vol. 4 (1), p. 83-90
Journal article
2010

Losses in ridge gap waveguide compared with rectangular waveguide and microstrip lines

Elena Pucci, Ashraf Uz Zaman, Eva Rajo et al
EuCAP 2010 Fourth European Conference on Antennas and Propagation, Barcelona, 12-16 April 2010
Paper in proceedings
2010

Comparison of RMS delay spread and decay time measured in reverberation chamber

Chen Xiaoming, Per-Simon Kildal
EuCAP 2010 Fourth European Conference on Antennas and Propagation, Barcelona, 12-16 April 2010
Paper in proceedings
2010

The ridge gap waveguide as a wideband rectangular hard waveguide

Per-Simon Kildal, Malcolm Ng Mou Kehn
EuCAP 2010 Fourth European Conference on Antennas and Propagation, Barcelona, 12-16 April 2010
Paper in proceedings
2010

Concept of gap waveguide and measured results for first demonstrator

Ashraf Uz Zaman, Per-Simon Kildal, Eva Rajo et al
Gigahertz Symposium 2010, Lund University, 9-10 March 2010
Paper in proceedings
2010

Using lid of pins for packaging of microstrip board for descrambling the ports of Eleven antenna for radio telescope applications

Ashraf Uz Zaman, Jian Yang, Per-Simon Kildal
2010 IEEE International Symposium on Antennas and Propagation, Toronto, July 11-17, 2010
Paper in proceedings
2010

Quasi-TEM H-plane horns with wideband open hard side-walls

A.A. Kishk, Per-Simon Kildal
EuCAP 2010 Fourth European Conference on Antennas and Propagation, Barcelona, 12-16 April 2010
Paper in proceedings
2010

Construction of Green's functions of parallel plates with periodic texture with application to gap waveguides - A plane wave spectral domain approach

M. Bosiljevac, Zvonimir Sipus, Per-Simon Kildal
IET Microwaves, Antennas and Propagation. Vol. 4 (11), p. 1799-1810
Journal article
2010

Progress report on developing the metamaterial EBG-based gap waveguide technology for millimeter and submillimeter waves

Per-Simon Kildal, Eva Rajo, Zvonimir Sipus et al
URSI Radio Science Meeting, Toronto, July 11-17, 2010
Paper in proceedings
2010

On using isotropic multipath as reference environment for OTA performance: Ray-based multipath simulation tool for studying convergence and uniqueness of different user-related statistical expectations when estimating ergodic capacity and diversity gain

Ulf Carlberg, Per-Simon Kildal, Ahmed Hussain et al
European Cooperation in the field of Scientific and Technical Research - COST2100, Alborg, Denmark, April 2010
Conference contribution
2010

Analysis of statistical uncertainties involved in estimating ergodic MIMO capacity and diversity gain in Rayleigh fading environment

Ahmed Hussain, Ulf Carlberg, Jan Carlsson et al
20th International Conference on Applied Electromagnetics and Communications, Dubrovnik, Croatia, September 2010
Paper in proceedings
2010

On using isotropic multipath as reference environment for OTA performance: Uncertainty due to convergence of statistical expectation when estimating ergodic capacity and diversity gain

Per-Simon Kildal, Ahmed Hussain, Ulf Carlberg et al
European Cooperation in the field of Scientific and Technical Research - COST2100, Alborg, Denmark, April 2010
Conference contribution
2010

Cryogenic 2-14GHz low noise receiver for radio astronomy using Eleven feed

Miroslav Pantaleev, Jian Yang, Per-Simon Kildal et al
Gigahertz Symposium 2010, Lund University, 9-10 March 2010
Conference contribution
2010

Comparison of diversity gains of wideband antennas measured in anechoic and reverberation chambers

Chen Xiaoming, Nima Jamaly, Jan Carlsson et al
Gigahertz Symposium 2010, Lund University, 9-10 March 2010
Paper in proceedings
2010

Approximated closed form characteristic impedance for the bed of nails-based gap waveguide

A. Polemi, Stefano Maci, Per-Simon Kildal
EuCAP 2010 Fourth European Conference on Antennas and Propagation, Barcelona, 12-16 April 2010
Paper in proceedings
2010

On-going work with the cryogenic Eleven antenna at the MIT Haystack Observatory

C Beaudoin, Per-Simon Kildal, Jian Yang et al
International Workshop on Phased Array Antenna Systems for Radio As-tronomy, Brigham Young University, Provo, UT USA, May 3-5, 2010
Paper in proceedings
2010

A low noise integrated 0.3-16 GHz differential amplifier for balanced ultra wideband antennas

Niklas Wadefalk, Per-Simon Kildal, Herbert Zirath
2010 32nd IEEE Compound Semiconductor Integrated Circuit Symposium, CSICS 2010, Monterey, CA, United States, 3-6 October 2010, p. Art. no. 5619677-
Conference contribution
2010

Reply to Comments on ‘Decoupling efficiency of a wideband Vivaldi focal plane array feeding a reflector antenna’

Marianna Ivashina, Malcolm Ng Mou Kehn, Per-Simon Kildal et al
IEEE Transactions on Antennas and Propagation. Vol. 58 (3), p. 1016-1017
Magazine article
2010

Q-factor comparisons between new gap waveguide technology and standard rectangular waveguide

Elena Pucci, Ashraf Uz Zaman, Eva Rajo et al
Gigahertz Symposium 2010, Lund University, 9-10 March 2010
Paper in proceedings
2010

Packaging of microstrip circuits using bed of springs to suppress cavity modes - a replacement for bed of nails

Eva Rajo, Per-Simon Kildal, A.A. Kishk
IEEE MTT 2010 International Microwave Symposium (IMS2010), Anaheim, CA, May 23-28, 2010, p. 405 - 408
Paper in proceedings
2010

A new type of the quasi-TEM eigenmodes in a rectangular waveguide with one corrugated hard wall

S. P. Skobelev, Per-Simon Kildal
Progress in Electromagnetics Research. Vol. 102, p. 143-157
Journal article
2010

Cryogenic integration of 2-14 GHz Eleven Feed in wideband receiver for VLBI 2010

Miroslav Pantaleev, Jian Yang, Yogesh Karandikar et al
Sixth IVS General Meeting (International VLBI Service for Geodesy and Astrometry), February 7-13, 2010, Hobart, TAS, Australia, p. 415-419
Conference contribution
2010

About measurements in reverberation chamber and isotropic reference environment

Jan Carlsson, Ulf Carlberg, Ahmed Hussain et al
20th International Conference on Applied Electromagnetics and Communications, Dubrovnik, Croatia, September 2010
Paper in proceedings
2010

Groove gap waveguide - A rectangular waveguide between contactless metal plates enabled by parallel-plate cut-off

Eva Rajo, Per-Simon Kildal
EuCAP 2010 Fourth European Conference on Antennas and Propagation, Barcelona, 12-16 April 2010
Paper in proceedings
2010

Efficient spectral domain Green's function analysis of novel metamaterial bandgap guiding structures

M. Bosiljevac, Zvonimir Sipus, Per-Simon Kildal
EuCAP 2010 Fourth European Conference on Antennas and Propagation, Barcelona, 12-16 April 2010
Paper in proceedings
2010

System noise calculations over the decade bandwidth of the Eleven feed for radio telescope applications

Benjamin Klein, Per-Simon Kildal
2010 IEEE International Symposium on Antennas and Propagation, Toronto, July 11-17, 2010
Paper in proceedings
2010

Packaging of active and passive microwave circuits using lid or bed of curved posts

A. Kishk, Per-Simon Kildal, Eva Rajo
Patent application
2010

System noise calculations over the decade bandwidth of the Eleven feed

Benjamin Klein, Per-Simon Kildal, Jian Yang et al
International Workshop on Phased Array Antenna Systems for Radio As-tronomy, Brigham Young University, Provo, UT USA, May 3-5, 2010
Paper in proceedings
2010

Definition of unifying decoupling efficiency of different array antennas - case study of dense focal plane array feed for parabolic reflector

Malcolm Ng Mou Kehn, M. V. Ivashina, Per-Simon Kildal et al
AEU - International Journal of Electronics and Communications. Vol. 64 (5), p. 403-412
Journal article
2010

Frequency-dependent effects of platform and wall antenna stirring on measurement uncertainty in reverberation chamber

Chen Xiaoming, Per-Simon Kildal
EuCAP 2010 Fourth European Conference on Antennas and Propagation, Barcelona, 12-16 April 2010
Paper in proceedings
2010

Performance of directive multi-element antennas versus multi-beam arrays in MIMO communication systems

Nima Jamaly, Hongxia Zhu, Per-Simon Kildal et al
EuCAP 2010 Fourth European Conference on Antennas and Propagation, Barcelona, 12-16 April 2010
Paper in proceedings
2010

OTA measurements of wireless stations in reverberation chamber versus anechoic chamber: from accuracy models to testing of MIMO systems

Per-Simon Kildal
2010 International Workshop on Antenna Technology (iWAT 2010), 1-3 March 2010, Lisbon, Portugal, p. 1-4
Paper in proceedings
2010

Ray based multipath simulation tool for studying convergence and estimating ergodic capacity and diversity gain for antennas with given far-field functions

Ulf Carlberg, Jan Carlsson, Ahmed Hussain et al
20th International Conference on Applied Electromagnetics and Communications, Dubrovnik, Croatia, September 2010
Paper in proceedings
2009

Design and realization of a linearly polarized Eleven feed for 1-10 GHz

Jian Yang, Chen Xiaoming, Niklas Wadefalk et al
IEEE Antennas and Wireless Propagation Letters. Vol. 8, p. 64-68
Journal article
2009

Channel sounding of loaded reverberation chamber for Over-the-Air testing of wireless devices - coherence bandwidth versus average mode bandwidth and delay spread

Chen Xiaoming, Per-Simon Kildal, Charlie Orlenius et al
IEEE Antennas and Wireless Propagation Letters. Vol. 8, p. 678-681
Journal article
2009

Local metamaterial-based waveguides in gaps between parallel metal plates

Per-Simon Kildal, E. Alfonso, A. Valero-Nogueira et al
IEEE Antennas and Wireless Propagation Letters. Vol. 8, p. 84-87
Journal article
2009

Accuracy of Antenna Input Reflection Coefficient and Mismatch Factor Measured in Reverberation Chamber

Chen Xiaoming, Per-Simon Kildal
3rd European Conference on Antennas and Propagation, EuCAP 2009; Berlin; Germany; 23 March 2009 through 27 March 2009, p. 2576-2579
Paper in proceedings
2009

Accuracy in Reverberation Chamber for Wireless Testing: a Simple Formula for the Number of Independent Samples

A. Sorrentino, Per-Simon Kildal, Elena Pucci
Eucap 2009, 3rd European Conference on Antennas and Propagation - 23-27 March 2009 in Berlin, Germany
Paper in proceedings
2009

Rician K-factor as an Accuracy Limitation in Reverberation Chamber and Verification in Different Reverberation Chamber

Per-Simon Kildal, Chen Xiaoming
Meeting in SAMS (Swedish Antenna Measurement Society), Lindholmen, 14 May 2009
Paper in proceedings
2009

Numerical study of position stirring and frequency stirring in loaded reverberation chamber

Ulf Carlberg, Per-Simon Kildal, Jan Carlsson
IEEE Transactions on Electromagnetic Compatibility. Vol. 51 (1), p. pp. 12-17
Journal article
2009

Analysis of global eigenmodes in an oversized rectangular waveguide with a hard surface on one broad wall for planar slot array antenna applications

Sergei Skobelev, Per-Simon Kildal
Eucap 2009, 3rd European Conference on Antennas and Propagation - 23-27 March 2009 in Berlin, Germany, p. 41-44
Paper in proceedings
2009

Parallel plate cavity mode suppression in microstrip circuit packages using a lid of nails

Eva Rajo, Ashraf Uz Zaman, Per-Simon Kildal
IEEE Microwave and Wireless Components Letters. Vol. 20 (1), p. 31-33
Journal article
2009

Experimental Demonstration of Local Quasi-TEM Gap Modes in Single-Hard-Wall Waveguides

A. Valero-Nogueira, E. Alfonso, J. I. Herranz et al
IEEE Microwave and Wireless Components Letters. Vol. 19 (9), p. 536-538
Journal article
2009

Fundamental properties of canonical soft and hard surfaces, perfect magnetic conductors and the newly introduced DB surface and their relation to different practical applications including cloaking

Per-Simon Kildal
International Conference on Electromagnetics in Advanced Applications (ICEAA 2009), Torino, Italy, September 14-18, 2009. Vol. 1-2, p. 584-587
Paper in proceedings
2009

Mode densities in rectangular, cylindrical and spherical cavities in application to the reverberation chamber

Yogesh Karandikar, Daniel Nyberg, Nima Jamaly et al
IEEE Transactions on Electromagnetic Compatibility. Vol. 51 (4), p. 1044-1046
Journal article
2009

Numerical analysis of a metamaterial-based ridge gap waveguide with a bed of nails as parallel-plate mode killer

E. Alfonso, Per-Simon Kildal, A. Valero et al
Eucap 2009, 3rd European Conference on Antennas and Propagation - 23-27 March 2009 in Berlin, Germany
Paper in proceedings
2009

Local wave Green's functions of parallel plate metamaterial-based gap waveguides with one hard wall

Zvonimir Sipus, M. Bosiljevac, Per-Simon Kildal
3rd European Conference on Antennas and Propagation, EuCAP 2009; Berlin; Germany; 23 March 2009 through 27 March 2009, p. 37-40
Paper in proceedings
2009

Study of Excitation on Beam Ports versus Element Ports in Performance Evaluation of Diversity and MIMO Arrays

Nima Jamaly, C. Gomez-Calero, Per-Simon Kildal et al
3rd European Conference on Antennas and Propagation, EuCAP 2009; Berlin; Germany; 23 March 2009 through 27 March 2009, p. 1753-1757
Paper in proceedings
2009

Theoretical and experimental challenges when developing the metamaterial EBG-based gap waveguide technology for millimeter and submillimeter wave circuitry

Per-Simon Kildal, Eva Rajo, Zvonimir Sipus et al
URSI National Radio Science Meeting, Charleston, USA, 1-5 June 2009
Paper in proceedings
2009

Accuracy of antenna mismatch factor and input reflection coefficient measured in reverberation chamber

Chen Xiaoming, Per-Simon Kildal
Eucap 2009, 3rd European Conference on Antennas and Propagation - 23-27 March 2009 in Berlin, Germany
Paper in proceedings
2009

Optimization of large log-periodic dual-dipole antenna by using genetic algorithm on embedded element in small log-periodic array

Jian Yang, Per-Simon Kildal
Eucap 2009, 3rd European Conference on Antennas and Propagation - 23-27 March 2009 in Berlin, Germany, p. 1246-1249
Paper in proceedings
2009

Design of Transitions and Calibration Kit in New Wideband Metamaterial-based Gap Waveguide Transmission Line Technology For Millimeter and Submillimeter Waves

Ashraf Uz Zaman, Eva Rajo, Elena Pucci et al
Joint 5th ESA Workshop on Millimetre Wave Technology and Applications and 31st ESA Antenna Workshop on “Millimetre and sub-millimetre waves - From technologies to systems”, 18 - 20 May 2009, ESTEC, Noordwijk, The Netherlands
Paper in proceedings
2009

Developing a cooled 2-14 GHz Eleven feed for SKA and VLBI 2010

Per-Simon Kildal, Jian Yang, Yogesh Karandikar et al
URSI National Radio Science Meeting, Charleston, USA, 1-5 June 2009
Paper in proceedings
2009

Electrical Design of a Cooled 2-14 GHz Eleven Feed for SKA and VLBI 2010

Per-Simon Kildal, Jian Yang, Yogesh Karandikar et al
IVS VLBI2010 Workshop on Future Radio Frequencies and Feeds (FRFF), March 18 - 21, 2009, Wettzell, Germany
Paper in proceedings
2009

Design of Transition from Coaxial Line to Ridge Gap Waveguide

Ashraf Uz Zaman, Eva Rajo, E. Alfonso et al
2009 IEEE International Symposium on Antennas and Propagation and USNC/URSI National Radio Science Meeting, APSURSI 2009; North Charleston, SC; United States; 1 June 2009 through 5 June 2009
Paper in proceedings
2009

Study of the characteristic impedance of a ridge gap waveguide

E. Alfonso, Per-Simon Kildal, A. Valero-Nogueira et al
IEEE Antennas and Propagation Society, AP-S International Symposium (Digest)
Paper in proceedings
2009

Dispersion characteristics of a metamaterial-based parallel plate ridge waveguides

Stefano Maci, A. Polemi, Per-Simon Kildal
3rd European Conference on Antennas and Propagation, EuCAP 2009; Berlin; Germany; 23 March 2009 through 27 March 2009, p. 1675-1678
Paper in proceedings
2009

Development of a coolable 2-14 GHz Eleven feed for future radio telescopes for SKA and VLBI 2010

Per-Simon Kildal, Jian Yang, Yogesh Karandikar et al
International Conference on Electromagnetics in Advanced Applications (ICEAA 2009), Torino, Italy, September 14-18, 2009. Vol. 1-2, p. 522-524
Paper in proceedings
2009

Characterization of Feeds for Radio Telescopes

Per-Simon Kildal
IVS VLBI2010 Workshop on Future Radio Frequencies and Feeds (FRFF), March 18 - 21, 2009, Wettzell, Germany
Paper in proceedings
2009

Modelling of soft and hard surfaces using ideal perfect electric conducting/perfect magnetic conducting strip grids

A. A. Kishk, Per-Simon Kildal
IET Microwaves, Antennas and Propagation. Vol. 3 (2), p. 296-302
Journal article
2009

Searching for analytic modal solutions for the gap waveguide

A. Polemi, Stefano Maci, Per-Simon Kildal
URSI National Radio Science Meeting, Charleston, USA, 1-5 June 2009
Paper in proceedings
2009

X- Ka dual band prime focus feed for satellite earth terminals

Yogesh Karandikar, Per-Simon Kildal
Eucap 2009, 3rd European Conference on Antennas and Propagation - 23-27 March 2009 in Berlin, Germany, p. 3085-3089
Paper in proceedings
2009

Challenges When Developing the New Wideband Metamaterial EBG-based Gap Waveguide Technology for Millimeter and Submillimeter Wave Applications

Per-Simon Kildal, Eva Rajo, Zvonimir Sipus et al
Joint 5th ESA Workshop on Millimetre Wave Technology and Applications and 31st ESA Antenna Workshop on “Millimetre and sub-millimetre waves - From technologies to systems”, 18 - 20 May 2009, ESTEC, Noordwijk, The Netherlands
Paper in proceedings
2009

Decoupling efficiency of a wideband Vivaldi focal plane array feeding a reflector antenna

M. V. Ivashina, Malcolm Ng Mou Kehn, Per-Simon Kildal et al
IEEE Transactions on Antennas and Propagation. Vol. 57 (2), p. 373-382
Journal article
2009

Direct Coupling as a Residual Error Contribution During OTA Measurements of Wireless Devices in Reverberation Chamber

Per-Simon Kildal, Szhau Lai, Chen Xiaoming
2009 IEEE International Symposium on Antennas and Propagation and USNC/URSI National Radio Science Meeting, APSURSI 2009; North Charleston, SC; United States; 1 June 2009 through 5 June 2009, p. Art. no. 5171903-
Paper in proceedings
2009

Theoretical derivation and measurements of the relationship between coherence bandwidth and RMS delay spread in reverberation chamber

Chen Xiaoming, Per-Simon Kildal
Eucap 2009, 3rd European Conference on Antennas and Propagation - 23-27 March 2009 in Berlin, Germany, p. 2585-2588
Paper in proceedings
2009

Determination of Measurement Uncertainty of Different Reverberation Chambers

Chen Xiaoming, Per-Simon Kildal
RFMTC09 Second Biennial Conference om RF Measurement Technology for State of the Art Production and Design, Gävle, 6-7 October, 2009
Paper in proceedings
2009

Three Metamaterial-based Gap Waveguides between Parallel Metal Plates for mm/submm Waves

Per-Simon Kildal
Eucap 2009, 3rd European Conference on Antennas and Propagation - 23-27 March 2009 in Berlin, Germany, p. 17-21
Paper in proceedings
2009

Cut-off bandwidth of metamaterial-based parallel plate gap waveguide with one textured metal pin surface

Eva Rajo, Per-Simon Kildal
Eucap 2009, 3rd European Conference on Antennas and Propagation - 23-27 March 2009 in Berlin, Germany, p. 33-36
Paper in proceedings
2009

Wideband, lowloss, low-cost, quasi-TEM metamaterial-based local waveguides in air gaps between parallel metal plates

Per-Simon Kildal, Eva Rajo, E. Alfonso et al
International Conference on Electromagnetics in Advanced Applications (ICEAA 2009), Torino, Italy, September 14-18, 2009. Vol. 1-2, p. 565-568
Paper in proceedings
2009

Alternative ridge gap waveguide design using a mushroom-type EBG surface

Eva Rajo, Ashraf Uz Zaman, E. Alfonso et al
IEEE AP-S International Symposium on Antennas and Propagation, Charleston, USA, June 1-5, 2009
Paper in proceedings
2008

Blockage reduction in thick cylinders by shaping hard cross sections

Morocco, Eva Rajo, J.-M. Fernandez et al
META'08 & NATO Advanced Research Workshop on Metamaterials, Plasmonics and related Materials, 7-10 May, 2008, Marrakesh
Paper in proceedings
2008

Realistic RF invisibility or not: Comparisons of the original approach using hard surfaces & last years metamaterial cloaking

Per-Simon Kildal
The twentieth Nordic Conference on Radio Science and Communications, Växjö, June 9-11, 2008
Paper in proceedings
2008

Design, Manufacture and Test of Eleven Feed for 1-13 GHz

Jian Yang, Ingmar Karlsson, Chen Xiaoming et al
GigaHertz Symposium 2008, Chalmers, 5-6 March 2008
Paper in proceedings
2008

Characterization of Efficiency, System Noise Temperature and Sensitivity of Focal Plane Array Receiving Systems

M. V. Ivashina, Per-Simon Kildal, E.E.M Woestenburg et al
30th ESA Antenna Workshop on Antennas for Earth Observation, Science, Telecommunication and Navigation Space Missions, 27-30 May 2008, ESA/ESTEC Noordwijk
Paper in proceedings
2008

Further investigations of fundamental directivity limitations of small antennas with and without ground planes

Per-Simon Kildal, S. R. Best
IEEE International Symposium on Antennas and Propagation (IEEE AP-S), San Diego
Paper in proceedings
2008

Parametric Characterization of Parabolic Reflector Antennas Fed by Focal Plane Arrays

Malcolm Ng Mou Kehn, Lotfollah Shafai, Per-Simon Kildal
2008 IEEE International Symposium on Antennas and Propagation and USNC/URSI National Radio Science Meeting, APSURSI; San Diego, CA; United States; 5 July 2008 through 12 July 2008
Paper in proceedings
2008

Relations between coherence bandwidth and average mode bandwidth in reverberation chamber for wireless device measurement

Chen Xiaoming, Per-Simon Kildal
International Symposium on Antennas and Propagation, Taipei, Taiwan, ,27-30 October 2008
Paper in proceedings
2008

Detection of local quasi-TEM waves in oversized waveguides with one hard wall for killing higher order global modes

E. Alfonso, Per-Simon Kildal, A. Valero et al
IEEE International Symposium on Antennas and Propagation San Diego
Paper in proceedings
2008

Optimization of 200-800 MHz Eleven Feed for Use in Reflector Antennas of GMRT

Yogesh Karandikar, Per-Simon Kildal
GigaHertz Symposium 2008, Chalmers, 5-6 March 2008
Paper in proceedings
2008

Modal solutions in dual-depth longitudinally corrugated hard waveguide

S. P. Skobelev, Per-Simon Kildal
Magazine article
2008

Comparison of blockage widths of ideally hard cylinders of different cross-sectional shapes

M.J. Fernández, Eva Rajo, Per-Simon Kildal et al
2008 IEEE International Symposium on Antennas and Propagation and USNC/URSI National Radio Science Meeting, APSURSI; San Diego, CA; United States; 5 July 2008 through 12 July 2008
Paper in proceedings
2008

Blockage reduction of rhombic cylinders using meta-surfaces

Eva Rajo, J.-M. Fernandez, Per-Simon Kildal
2008 IEEE International Symposium on Antennas and Propagation and USNC/URSI National Radio Science Meeting, APSURSI; San Diego, CA; United States; 5 July 2008 through 12 July 2008
Paper in proceedings
2008

Degradation of MIMO-capacity due to correlation and efficiency of practical antennas

Daniel Nyberg, Per-Simon Kildal, A. Gummalla et al
International Symposium on Antennas and Propagation, Taipei, Taiwan, ,27-30 October 2008
Paper in proceedings
2008

Progress report on developing Eleven feed for VLBI2010 and SKA frequency bands

Per-Simon Kildal
Fifth IVS General Meeting, March 3-6, 2008, St. Petersburg, Russia (VLBI2010)
Paper in proceedings
2008

On unifying efficiency concepts of phase arrays, focal plane arrays and MIMO arrays

Per-Simon Kildal
USNC/URSI National Radio Science Meeting, San Diego
Paper in proceedings
2008

Cloaking Since 1988 Using the Original Invisibility Concept Based on Hard Surfaces

Per-Simon Kildal, A. K. Kishk
USNC/URSI National Radio Science Meeting, San Diego
Paper in proceedings
2008

Development of decade bandwidth and multiband feeds for future scientific and commercial reflector antenna systems

Per-Simon Kildal, Jian Yang, Yogesh Karandikar et al
The twentieth Nordic Conference on Radio Science and Communications, Växjö, June 9-11, 2008
Paper in proceedings
2008

A Comparsion of Antenna Diversity Characterization Methods using Reverberation Chambers and Drive Tests

Daniel Nyberg, M. Franzén, Per-Simon Kildal
GigaHertz Symposium 2008, Chalmers, 5-6 March 2008
Paper in proceedings
2008

Characterization of multi-port Eleven antenna for use in MIMO system

Jungang Yin, Daniel Nyberg, Chen Xiaoming et al
International Symposium on Antennas and Propagation, Taipei, Taiwan, ,27-30 October 2008
Paper in proceedings
2008

Report on Developing Decade Bandwidth Eleven Feeds for Radio Telescopes such as SKA and VLBI 2010

Jian Yang, Chen Xiaoming, Niklas Wadefalk et al
30th ESA Antenna Workshop on Antennas for Earth Observation, Science, Telecommunication and Navigation Space Missions, 27-30 May 2008, ESA/ESTEC Noordwijk
Paper in proceedings
2008

Three Fast Ways of Measuring Receiver Sensitivity in a Reverberation Chamber

Mats Andersson, Charlie Orlenius, Per-Simon Kildal
2008 IEEE International Workshop on Antenna Technology: Small Antennas and Novel Metamaterials, IWAT 2008; Chiba; Japan; 4 March 2008 through 6 March 2008, p. 51-54
Paper in proceedings
2007

Radiation Q and radiation efficiency of wideband small antennas and their relation to bandwidth and cut-off of spherical modes

Daniel Nyberg, Per-Simon Kildal, Jan Carlsson
2nd European Conference on Antennas and Propagation, EuCAP 2007; Edinburgh; United Kingdom; 11 November 2007 through 16 November 2007 (11961)
Paper in proceedings
2007

Comparison of bandgaps of mushroom-type EBG surface and corrugated and strip-type soft surfaces

Eva Rajo, M Caiazzo, L. Inclan-Sanchez et al
IET Microwaves, Antennas and Propagation. Vol. 1 (1), p. 184-189
Journal article
2007

RF Invisibility Using Metamaterials: Harry Potter's Cloak or the Emperor's New Clothes?"

Per-Simon Kildal, A. Kishk, Zvonimir Sipus
IEEE AP-S 2007 in Hawai, 10-15 June 2007
Paper in proceedings
2007

Radiation efficiency as a fundamental limitation of wideband dense arrays for multi-beam applications

M. V. Ivashina, Malcolm Ng Mou Kehn, Per-Simon Kildal et al
29th ESA Antenna Workshop on multiple beam and reconfigurable antennas, 18-20 April 2007
Paper in proceedings
2007

Fundamental directivity and efficiency limitations of small antennas with one or more ports

Per-Simon Kildal, Daniel Nyberg
The Second European Conference on Antennas and Propagation (EuCAP 2007), Edinburgh, 11 - 16 November 2007
Paper in proceedings
2007

Improvement of input reflection coefficient of Eleven antenna – a compact wideband feed for reflector antennas

Jian Yang, Per-Simon Kildal
2007 International Symposium on Antennas and Propagation, Niigata, JAPAN, 20-24 August 2007
Paper in proceedings
2007

Bandgaps and cloaks with soft and hard surfaces

Per-Simon Kildal
Metamaterials'2007, First International Congress on Advanced Electromagnetic Materials in Microwaves and Optics, Rome, 22-26 October 2007
Paper in proceedings
2007

The Eleven antenna feed for monopulse tracking and combining L-, C-, X- and Ku- satellite bands

Jian Yang, Jungang Yin, Yogesh Karandikar et al
29th ESA Antenna Workshop on multiple beam and reconfigurable antennas, 18-20 April 2007
Paper in proceedings
2007

Reverberation Chamber for Characterizing Antennas and Mobile Termi­nals under Rayleigh Fading: Efficiency, TRP, TIS, AFS, diversity, MIMO, UWB."

Per-Simon Kildal
Conference on RF Measurement Technology, for State of The Art Production and Design, Gävle September 11th-12th 2007
Paper in proceedings
2007

Measurements of the mutual coupling and radiation efficiencies of dense wideband arrays in reverberation chamber

Per-Simon Kildal
SKA DS MCCT Technical Workshop on 'Design of Wideband Receiving Array Systems'
Paper in proceedings
2007

Measurement of embedded element efficiencies of wideband dense arrays in reverberation chamber

Per-Simon Kildal, M. Franzen, M. V. Ivashina et al
The Second European Conference on Antennas and Propagation (EuCAP 2007), Edinburgh, 11 - 16 November 2007
Paper in proceedings
2007

On the limitation of dense focal plane array feeds for multi-beam reflector antennas characterized by the radiation efficiency

M. V. Ivashina, Per-Simon Kildal, Malcolm Ng Mou Kehn et al
URSI 2007 North American Radio Science Meeting, Ottawa, Canada, 22-26 July 2007
Paper in proceedings
2007

Measurements of total radiated power of UMTS phones in reverberation chamber

Charlie Orlenius, Panagiota Lioliou, Magnus Franzén et al
The Second European Conference on Antennas and Propagation (EuCAP 2007), Edinburgh, 11 - 16 November 2007
Paper in proceedings
2007

Diversity characterization of optimized two-antenna systems for UMTS handsets

A. Diallo, P. Le Thuc, C. Luxey et al
Eurasip Journal on Wireless Communications and Networking. Vol. 2007, p. 9-
Journal article
2007

Validity of Approximate Boundary Conditions in Analysis of Strip-Loaded Planar and Curved Surfaces

Zvonimir Sipus, Per-Simon Kildal
The 23rd International Review of Progress in Applied Computational Electromagnetics (ACES 2007)March 19 ? 23, 2007, Verona, ITALY
Paper in proceedings
2007

Software for Optimizing multi-port antennas based on precomputed embedded element patterns from commerical codes

Kristian Karlsson, Jan Carlsson, I Belov et al
EMB07 - The Fourth Swedish Conference on Computational Electromagnetics - Methods and Applications, Lund, October 18-19, 2007
Paper in proceedings
2007

Numerical study of different loading configurations and stirring methods of reverberation chambers

Ulf Carlberg, Per-Simon Kildal, Jan Carlsson et al
EMB07 - The Fourth Swedish Conference on Computational Electromagnetics - Methods and Applications, Lund, October 18-19, 2007
Paper in proceedings
2007

20 Years with Bandgaps and Invisibility Cloaking Using Soft and Hard Surfaces

Per-Simon Kildal
Microwave and Millimeter-wave Workshop 2007
Paper in proceedings
2007

The European School of Antennas: Results and Perspectives

Stefano Maci, Per-Simon Kildal, et. al.
The Second European Conference on Antennas and Propagation (EuCAP 2007), Edinburgh, 11 - 16 November 2007
Paper in proceedings
2007

Comparison of different loading configurations and numerical models of reverberation chambers

Ulf Carlberg, Per-Simon Kildal, Jan Carlsson et al
2007 International Symposium on Antennas and Propagation, Niigata, JAPAN, 21-24 August 2007
Paper in proceedings
2007

Optimization of 200-800 MHz Eleven feed for use in reflector antennas of GMRT

Yogesh Karandikar, Per-Simon Kildal
The Second European Conference on Antennas and Propagation (EuCAP 2007), Edinburgh, 11 - 16 November 2007
Paper in proceedings
2007

Bandgaps and cloaks with soft and hard sur­faces

Per-Simon Kildal, Zvonimir Sipus
ICECOM 2007, 19th International Conference on Applied Electromagnetics and Communications, Dubrovnik 24-26 Sept. 2007, p. Art. no. 4544447-
Paper in proceedings
2007

Monopulse tracking performance of multi-port Eleven antenna for use in terminals for satellite communications

Jungang Yin, J. A. Aas, Jian Yang et al
2nd European Conference on Antennas and Propagation, EuCAP 2007; Edinburgh; United Kingdom; 11 November 2007 through 16 November 2007 (11961)
Paper in proceedings
2007

Reducing Sidelobes from Blocking Struts by Metamaterials Cloaking and Shape Optimization

Per-Simon Kildal, Eva Rajo, Ulf Carlberg et al
Journal article
2007

Evaluation of the performances of several four-antenna systems in a reverberation cham­ber

A. Diallo, C. Luxey, P. Le Thuc et al
International Workshop on Antenna Technology 2007 (iWAT07), 21st-23rd March, 2007, Cambridge, U.K
Paper in proceedings
2007

Mushroom Surface Cloaks for Making Struts Invisi­ble

Per-Simon Kildal, Eva Rajo
IEEE AP-S 2007 in Hawai, 10-15 June 2007
Paper in proceedings
2007

Tripling Bandwidth of Hat Feed by Genetic Algorithm Optimization

Martin Denstedt, T Östling, Jian Yang et al
IEEE AP-S 2007 in Hawai, 10-15 June 2007
Paper in proceedings
2007

Optimization of antenna diversity gain by combining full-wave and circuit simulations

Kristian Karlsson, Jan Carlsson, I Belov et al
The Second European Conference on Antennas and Propagation (EuCAP 2007), Edinburgh, 11 - 16 November 2007
Paper in proceedings
2007

Tripling Bandwidth of Hat Feed by genetic Algorithm Optimization

Martin Denstedt, T Östling, Jian Yang et al
EMB07 - The Fourth Swedish Conference on Computational Electromagnetics - Methods and Applications, Lund, October 18-19, 2007
Paper in proceedings
2007

Curved frequency selective surface analysis based on the G1DMULT algorithm

Zvonimir Sipus, Per-Simon Kildal
EMB07 - The Fourth Swedish Conference on Computational Electromagnetics - Methods and Applications, Lund, October 18-19, 2007
Paper in proceedings
2007

MIMO Performance of Enhanced UMTS Four-Antenna Structures for Mobile Phones in the Presence of the User's Head

A. Diallo, C. Luxey, P. Le Thuc et al
IEEE AP-S 2007 in Hawai, 10-15 June 2007
Paper in proceedings
2007

Overview of 6 Years R&D on Characterizing Wireless Devices in Rayleigh Fading Using Reverberation Chambers

Per-Simon Kildal
International Workshop on Antenna Technology 2007 (iWAT07), 21st-23rd March, 2007, Cambridge, U.K
Paper in proceedings
2007

Characterizing FPA-fed reflectors in terms of classical subefficiencies and array methods

Per-Simon Kildal
SKA DS MCCT Technical Workshop on 'Design of Wideband Receiving Array Systems'
Paper in proceedings
2007

Optimal number of elements and element spacing of wide-band focal plane arrays for a new generation radio telescope

M. V. Ivashina, Malcolm Ng Mou Kehn, Per-Simon Kildal
The Second European Conference on Antennas and Propagation (EuCAP 2007), Edinburgh, 11 - 16 November 2007
Paper in proceedings
2006

Control of reflection and mutual coupling losses in maximizing efficiency of dense focal plane arrays

Malcolm Ng Mou Kehn, M. V. Ivashina, Per-Simon Kildal et al
First European Conference on Antennas and Propagation (EuCAP), 2006, Nice, France, 6 - 10 November 2006
Paper in proceedings
2006

Investigation of heavily loaded reverberation chamber for testing of wideband wireless units

Charlie Orlenius, M. Franzen, Per-Simon Kildal et al
IEEE AP-S International Symposium, Albuquerque, N.M., July 2006
Paper in proceedings
2006

Analysis of spherical arrays of microstrip antennas using moment method in spectral domain

Z. Sipus, N. Burum, S. Skokic et al
IET Microwaves, Antennas and Propagation. Vol. 153 (3), p. 533-543
Journal article
2006

Fast numerical model of reverberation chambers with metal stirrers using moment method and cavity Green's function calculated by Ewald summation

Ulf Carlberg, Per-Simon Kildal, A. Kishk
IEEE AP-S International Symposium, Albuquerque, N.M., July 2006
Paper in proceedings
2006

Comparison of bandgaps and bandwidths of mushroom-type EBG surface and strip-type soft surfaces when used as narrow ground planes

Eva Rajo, L. Inclan-Sanchez, Per-Simon Kildal
First European Conference on Antennas and Propagation (EuCAP), 2006, Nice, France, 6 - 10 November 2006
Paper in proceedings
2006

Relations between radiation characteristics of small antennas located in free space and close to lossy phantom

Vahid Tavakol, Per-Simon Kildal
IEEE Antennas and Propagation Society International Symposium, APS 2006; Albuquerque, NM; United States; 9 July 2006 through 14 July 2006, p. 2037-2040
Paper in proceedings
2006

Measurements of a 150 to 1700 MHz low loss Eleven feed for the 42 m radio telescope at Green Bank

Rikard Olsson, Per-Simon Kildal, M. Shields
IEEE AP-S International Symposium, Albuquerque, N.M., July 2006
Paper in proceedings
2006

Measurements of total isotropic sensitivity and average fading sensitivity of mobile phones in reverberation chambers

Charlie Orlenius, Per-Simon Kildal
Antenn 06 in Linköping, May 2006
Paper in proceedings
2006

Single- and dual- band multimode hard horn antennas with partly corrugated walls

Omid Sotoudeh, Per-Simon Kildal, Per Ingvarson et al
IEEE Transactions on Antennas and Propagation. Vol. 54
Journal article
2006

Comments on 'Application of double negative materials to increase the power radiated by electrically small antennas'

Per-Simon Kildal
IEEE Transactions on Antennas and Progation. Vol. 54 (2)
Journal article
2006

Measurements of receiver sensitivity of mobile terminals in Rayleigh fading by using reverberation chamber

Per-Simon Kildal, Charlie Orlenius
AMTA (Antenna Measurement Techniques Association) Europe Symposium 2006, Munich, 1-4 May 2006
Paper in proceedings
2006

Overview of 5 Years R&D on Characterizing Wireless Devices in Rayleigh Fading Using Reverberation Chambers

Per-Simon Kildal, Jan Carlsson
EMC Europe 2006, Barcelona, Spain, Sept. 4 – 8, 2006
Paper in proceedings
2006

Reverberation chamber evaluation of multi-antenna handset having low mutual coupling and high efficiencies

A. Diallo, C. Luxey, P. Le Thuc et al
European Conference on Antennas and Propagation: EuCAP 2006; Nice; France; 6 November 2006 through 10 November 2006. Vol. 626 SP
Paper in proceedings
2006

Numerical Study of Position and Frequency Stirring in Loaded RC

Ulf Carlberg, Per-Simon Kildal, Jan Carlsson
Magazine article
2006

Multimode hard horn antennas with partly corrugated walls for 20/30 GHz dual-reflector antennas with multiple beams - full 3D simulations and measurements

Omid Sotoudeh, Per-Simon Kildal, P. Ingvarson et al
European Conference on Antennas and Propagation: EuCAP 2006; Nice; France; 6 November 2006 through 10 November 2006. Vol. 626 SP
Paper in proceedings
2006

Realized diversity gain of active DECT phones in talk position measured in reverberation chamber

M. Franzen, Charlie Orlenius, Per-Simon Kildal et al
IEEE AP-S International Symposium, Albuquerque, N.M., July 2006
Paper in proceedings
2006

Characterization of antennas for MIMO systems using the classical embedded element pattern and measurements in reverberation chamber

Kent Rosengren, Per-Simon Kildal
Antenn 06 in Linköping, May 2006
Paper in proceedings
2006

Fundamental limitations of focal plane arrays characterized in terms of radiation efficiencies of their embedded element patterns

M. Ng Mou Kehn, Per-Simon Kildal
IEEE AP-S International Symposium, Albuquerque, N.M., July 2006
Paper in proceedings
2006

Overview of the software integration activities within ACE

V. Volski, G. Vandenbosch, Jian Yang et al
First European Conference on Antennas and Propagation (EuCAP), 2006, Nice, France, 6 - 10 November 2006. Vol. 626 SP
Paper in proceedings
2006

Development of the decade bandwidth Eleven antenna - a new quasi log-periodic low-profile feed for reflector antennas

Per-Simon Kildal, Rikard Olsson
Antenn 06 in Linköping, May 2006
Paper in proceedings
2006

Designing reverberation chambers for measurements of small antennas and wireless terminals: accuracy, frequency resolution, lowest frequency of operation, loading and shielding of chamber

Per-Simon Kildal, Charlie Orlenius, Jan Carlsson et al
First European Conference on Antennas and Propagation (EuCAP), 2006, Nice, France, 6 - 10 November 2006
Paper in proceedings
2006

Efficient modeling of reverberation chambers using method of moments with cavity Green's function calculated by Ewald summation

Ulf Carlberg, Per-Simon Kildal, Jan Carlsson
Antenn 06 in Linköping, May 2006
Paper in proceedings
2006

Multimode hard horn antennas with partly corrugated walls - a new feed for single and dual band dual-reflector antennas with multiple beams

Omid Sotoudeh, Per-Simon Kildal, P. Ingvarson et al
Antenn 06 in Linköping, May 2006
Paper in proceedings
2006

Compact low-profile decade bandwidth log-periodic folded dipole feed for reflector antennas

Rikard Olsson, Per-Simon Kildal, Sander Weinreb
IEEE Transactions on Antennas and Propagation. Vol. 54
Journal article
2006

Reverberation Chamber for Antenna Measurements: Modeling Using Method of Moments, Spectral Domain Techniques, and Asymptote Extraction

Kristian Karlsson, Jan Carlsson, Per-Simon Kildal
IEEE Transactions on Antennas and Propagation. Vol. 54 (11), p. 3106-3113
Journal article
2006

Reverberation chamber measurements of diversity gain of active DECT phones both in talk position and free space

M. Franzen, Charlie Orlenius, Per-Simon Kildal et al
Antenn 06 in Linköping, May 2006
Paper in proceedings
2006

Analysis of Wires Inside a Reverberation Chamber Using the Method of Moments Combined with Spectral Domain Techniques and Asymptotic Extraction

Kristian Karlsson, Jan Carlsson, Per-Simon Kildal
European Conference on Antennas and Propagation: EuCAP 2006; Nice; France; 6 November 2006 through 10 November 2006. Vol. 626 SP
Paper in proceedings
2006

Development of G1DMULT based moment method codes for analysis of cylindrical and spherical array antennas and periodic structures

Zvonimir Sipus, Per-Simon Kildal, S. Skokic
Antenn 06 in Linköping, May 2006
Paper in proceedings
2006

Development of three models of the Eleven antenna: a new decade bandwidth high performance feed for reflectors

Per-Simon Kildal, Rikard Olsson, Jian Yang
First European Conference on Antennas and Propagation (EuCAP), 2006, Nice, France, 6 - 10 November 2006
Paper in proceedings
2006

Maximizing the effective diversity gain of two parallel dipoles by optimizing the source impedance

Kent Rosengren, Jan Carlsson, Per-Simon Kildal
Microwave and Optical Technology Letters. Vol. 48 (3), p. 532-535
Journal article
2006

Size reduction using strip-type soft surfaces rather than patch-type EBGs

Eva Rajo, M. Caiazzo, L. Inclan-Sanchez et al
USNC/URSI National Radio Science Meeting, Albuquerque, N.M., July 2006
Paper in proceedings
2006

Numerical study of miniaturized hard waveguide elements for multifunction direct radiating arrays and focal plane arrays

M. Ng Mou Kehn, Per-Simon Kildal
Antenn 06 in Linköping, May 2006
Paper in proceedings
2006

Dyadic GO reflection coefficient for PEC/PMC strip surface and application to planar case for dipole radiation

Jan Carlsson, Per-Simon Kildal
Microwave and Optical Technology Letters. Vol. 48 (3), p. 583-587
Journal article
2006

Modal solutions in dual-depth longitudinally corrugated hard waveguides for design of dual-band 20/30 GHz hard horns

Sergei Skobelev, Per-Simon Kildal
IEEE AP-S International Symposium, Albuquerque, N.M., July 2006
Paper in proceedings
2006

The eleven antenna: A compact low-profile decade bandwidth dual polarized feed for reflector antennas

Rikard Olsson, Per-Simon Kildal, S. Weinreb
IEEE Transactions on Antennas and Propagation. Vol. 54 (2), p. 368-375
Journal article
2005

Dual band hard horn for use in cluster-fed multi-beam antennas in Ka-band

Omid Sotoudeh, Per-Simon Kildal, Per Ingvarson et al
IEEE AP-S International Symposium Washington D.C., 3-8 July 2005. Vol. 3A, p. 379-382
Journal article
2005

Efficient computation of high Q resonator realized by thin film multilayer metal/dielectric structure

Ulf Carlberg, A. Eriksson, Per-Simon Kildal
Microwave Optical and Technology Letters. Vol. 44 (1), p. 48-51
Journal article
2005

Radiation efficiency, correlation, diversity gain, and capacity of a six monopole antenna array for a MIMO system: Theory, simulation and measurement in reverberation chamber

Kent Rosengren, Per-Simon Kildal
Proceedings IEE, Microwave Antennas Propagation. Vol. 152 (1), p. 7-16
Journal article
2005

A method of moments solution for wires inside a reverberation chamber using spectral domain techniques and asymptotic extraction

Kristian Karlsson, Jan Carlsson, Per-Simon Kildal
RVK05 - Swedish Conference on Radio Science and Communications, Linköping
Paper in proceedings
2005

Measured radiation properties of a broadband terminal antenna

Pawel Kabacik, R. Hossa, A. Byndas et al
COST 284 Mini Workshop in Chexbres
Paper in proceedings
2005

A multilevel multiregion computation framework for the analysis of antenna structures

Guy Vandenbosch, R. Gillard, Per-Simon Kildal et al
IEEE AP-S International Symposium Washington D.C., 3-8 July 2005. Vol. 4A, p. 81-84
Paper in proceedings
2005

Characterization of mobile terminals in Rayleigh fading by using reverberation chamber

Per-Simon Kildal, Charlie Orlenius
International Symposium on Antennas and Propagation 2005 (ISAP 2005), Seoul, South Korea
Paper in proceedings
2005

European effort towards a unified framework for the analysis of antenna structures

Guy Vandenbosch, R Gillard, Per-Simon Kildal et al
IEEE/ACES International Conference on Wireless Communications and Applied Computational Electromagnetics
Paper in proceedings
2005

Bandgaps and bandwidths of different soft surfaces used as finite ground planes of small antennas

Eva Rajo, Marco Caiazzo, Per-Simon Kildal et al
EPFL LATSIS Symposium 2005
Paper in proceedings
2005

The effect of source and load impedance on radiation efficiency and diversity gain of two parallel dipoles

Kent Rosengren, Per-Simon Kildal
IEEE AP-S International Symposium Washington D.C., 3-8 July 2005. Vol. 4B, p. 2-5
Paper in proceedings
2005

Decade bandwidth medium gain feed for single or dual reflector antennas

Rikard Olsson, Per-Simon Kildal, Sander Weinreb
28th ESA/ESTEC Antenna Workshop on Space Antenna Systems and Technologies
Paper in proceedings
2005

Numerical modelling of reverberation chamber using method of moments and Ewald summation

Ulf Carlberg, Per-Simon Kildal, Jan Carlsson
IEEE AP-S International Symposium Washington D.C., 3-8 July 2005. Vol. 1B, p. 344-347
Conference contribution
2005

On the odd-even property of functions for boundary currents over kz in a spectrum of two-dimensional solutions

Jian Yang, Per-Simon Kildal
IEEE Antennas and Wireless Propagation Letters. Vol. 4
Journal article
2005

Numerical investigation of bandgaps of different soft surfaces: Corrugations and strip loaded substrate with vias

Marco Caiazzo, Per-Simon Kildal, Stefano Maci et al
IEEE AP-S International Symposium Washington D.C., 3-8 July 2005. Vol. 2B, p. 312 - 315
Paper in proceedings
2005

Moment method computation of miniaturized rectangular hard waveguide with passband and stopband

Malcolm Ng Mou Kehn, Massimo Nannetti, Stefano Maci et al
IEEE AP-S International Symposium Washington D.C., 3-8 July 2005. Vol. 2B, p. 630-633
Journal article
2005

Study of high-efficiency corrugated hard-horn antennas using classical approaches: Hard circular waveguide mode, phase factor, and aperture integration

Omid Sotoudeh, Per-Simon Kildal, Z. Sipus
Microwave and Optical Technology Letters. Vol. 44 (6), p. 516-523
Journal article
2005

Study of antennas in reverberation chamber using method of moments with cavity Green’s function calculated by Ewald summation

Ulf Carlberg, Per-Simon Kildal, Jan Carlsson
IEEE Transactions on Electromagnetic Compatibility. Vol. 47 (4), p. 805-814
Journal article
2005

Special issue on artificial magnetic conductors, soft/hard surfaces, and other complex surfaces - Guest Editorial

Per-Simon Kildal, Ahmed Kishk, Stefano Maci
IEEE Transactions on Antennas and Propagation. Vol. 53 (1), p. 2-7
Journal article
2005

Spectral domain analysis of dipole coupling over different electromagnetic bandgap structures

Zvonimir Sipus, Per-Simon Kildal, R. Zentner
IEEE AP-S International Symposium Washington D.C., 3-8 July 2005. Vol. 1A, p. 738-741
Paper in proceedings
2005

Full wave analysis of mutual coupling between dipoles over different EBG surfaces: AMC, soft and hard surfaces

Zvonimir Sipus, Per-Simon Kildal
EPFL LATSIS Symposium 2005
Paper in proceedings
2005

Characterization of small antennas and active mobile terminals in Rayleigh fading by using reverberation chamber

Per-Simon Kildal
LAPC 2005 Loughborough Antennas and Propagation Conference
Paper in proceedings
2005

Analysis and measurements of conformal patch array antennas on multilayer circular cylinder

Silvia Raffaelli, Zvonimir Sipus, Per-Simon Kildal
IEEE Transactions on Antennas and Propagation. Vol. 53 (3), p. 1105-1113
Journal article
2005

Multi-mode hard horn feeds for Ka-band cluster-fed multi-beam satellite antennas

Omid Sotoudeh, Per-Simon Kildal, Per Ingvarson et al
28th ESA/ESTEC Antenna Workshop on Space Antenna Systems and Technologies
Paper in proceedings
2005

Analysis of the effect of a limited sector of a circular cylinder on radiation of conrformal patch antennas by using G2DMULT

Jian Yang, Per-Simon Kildal
European Workshop on Conformal Antennas (EWCA), Stockholm
Paper in proceedings
2005

Transverse strip arrays used as hard surfaces and AMCs in miniaturized quasi-TEM waveguides

Malcolm Ng Mou Kehn, Silvio Hrabar, Sinisa Skokic et al
EPFL LATSIS Symposium 2005
Paper in proceedings
2005

Comparison of efficiency measurement methods for small antennas

A. Diallo, C. Luxey, G. Kossiavas et al
11th International Symposium on Antenna Technology and Applied Electromagnetics, France, 15-17 June 2005, p. Artno: 7852061-
Paper in proceedings
2005

Miniaturized rectangular hard waveguides for use in multi-frequency phased arrays

Malcolm Ng Mou Kehn, Per-Simon Kildal
IEEE Transactions on Antennas and Propagation. Vol. 53 (1), p. 100-109
Journal article
2005

Measurements of total isotropic sensitivity and average fading sensitivity of CDMA phones in reverberation chamber

Charlie Orlenius, Per-Simon Kildal, G. Poilasne
IEEE AP-S International Symposium Washington D.C., 3-8 July 2005. Vol. 1A, p. 409-412
Paper in proceedings
2005

Round Robin test of active and passive small terminal antennas

Jan Carlsson, Per-Simon Kildal
LAPC 2005 Loughborough Antennas and Propagation Conference
Paper in proceedings
2005

Measurements of a 1 to 13 GHz model of a dual polarized low-profile log-periodic feed for US-SKA

Rikard Olsson, Per-Simon Kildal, Sander Weinreb
IEEE AP-S International Symposium Washington D.C., 3-8 July 2005. Vol. 2B, p. 700-703
Paper in proceedings
2005

Mode-matching modeling of a hard conical quasi-TEM horn realized by an EBG structure with strips and vias

Sergei Skobelev, Per-Simon Kildal
IEEE Transactions on Antennas and Propagation. Vol. 53 (1), p. 139-143
Journal article
2005

Experimental study of strip dipole FSS-loaded rectangular waveguide

Malcolm Ng Mou Kehn, Silvio Hrabar, Sinisa Skokic et al
IEEE AP-S International Symposium Washington D.C., 3-8 July 2005. Vol. 2B, p. 671-674
Paper in proceedings
2005

Comparison between bandgaps and bandwidths of back radiation of different narrow soft ground planes

Eva Rajo, Per-Simon Kildal, Marco Caiazzo et al
IEEE AP-S International Symposium Washington D.C., 3-8 July 2005. Vol. 1A, p. 697-700
Paper in proceedings
2004

Method of moments solution of reverberation chamber using spectral domain techniques and asymptotic extraction

Kristian Karlsson, Jan Carlsson, Ulf Carlberg et al
EMB 04 - Computational Electromagnetics: Methods and Applications, 18-19 Oct 2004, Gothenburg, Sweden
Paper in proceedings
2004

Design of hard horn antenna using both single dominant quasi-TEM mode model and mode-matching

Omid Sotoudeh, Per-Simon Kildal, P. Ingvarson
IEEE AP-S International Symposium, Monterey, California, June 2004
Paper in proceedings
2004

Anomalous behavior of the TEM mode when radiating from an open-ended circular waveguide with ideal hard wall

Sergei Skobelev, Per-Simon Kildal
USNC/URSI National Radio Science Meeting, Monterey, California, June 2004.
Paper in proceedings
2004

Electromagnetic characterization of MIMO antennas including coupling using classical embedded element pattern and radiation efficiency

Per-Simon Kildal, Kent Rosengren
IEEE AP-S International Symposium, Monterey, California, June 2004
Paper in proceedings
2004

Characterization of Antennas and Wireless Terminals in Loaded Reverberation Chambers

Jan Carlsson, Per-Simon Kildal
Euro Electromagnetics (EUROEM) Symposium, Magdeburg, Germany, 12-16 July 2004
Paper in proceedings
2004

Miniaturized dielectric-loaded rectangular waveguides for use in multi-frequency arrays

Malcolm Ng Mou Kehn, Per-Simon Kildal, Sergei Skobelev
IEEE AP-S International Symposium, Monterey, California, June 2004
Paper in proceedings
2004

Some properties of an open-ended circular waveguide with one- and two-sided ideal hard walls,

Sergei Skobelev, Per-Simon Kildal
Microwave and Optical Technology Letters. Vol. 43 (2), p. 160-164
Journal article
2004

An advanced code based on the mode-matching method and Wiener-Hopf-Weinstein method for analysis of hard horn antennas

Sergei Skobelev, Per-Simon Kildal
EMB 04 - Computational Electromagnetics: Methods and Applications, 18-19 Oct 2004, Gothenburg, Sweden
Paper in proceedings
2004

A solid hand phantom for mobile phones and results of measurements in reverberation chamber

M. Lundmark, R. Serrano Calvo, Per-Simon Kildal et al
IEEE AP-S International Symposium, Monterey, California, June 2004
Paper in proceedings
2004

A novel low-profile log-periodic ultra wideband feed for the dual-reflector antenna of US-SKA

Rikard Olsson, Per-Simon Kildal, S. Weinreb
IEEE AP-S International Symposium, Monterey, California, June 2004
Paper in proceedings
2004

Hard and Soft Gangbuster Surfaces

S. Maci, Per-Simon Kildal
URSI International Symposium on Electromagnetic Theory, Pisa, Italy, May 2004
Paper in proceedings
2004

Full wave analysis of mutual coupling between dipoles over different EBG surfaces: AMC, soft and hard surfaces

Zvonimir Sipus, Per-Simon Kildal
USNC/URSI National Radio Science Meeting, Monterey, California, June 2004.
Paper in proceedings
2004

Full wave analysis of mutual coupling between dipoles over different EBG surfaces: AMC, soft and hard surfaces

Zvonimir Sipus, Per-Simon Kildal
Joint COST 273/284 Workshop, Chalmers University of Technology, Göteborg, Sweden, 7-9 June 2004
Paper in proceedings
2004

High-efficiency hard horn feeds for cluster-fed reflector antennas

Omid Sotoudeh, Per-Simon Kildal, Sergei Skobelev
27th ESA Antenna Technology Workshop on Innovative Periodic Antennas: Electromagnetic Bandgap, Left-Handed Materials, Fractal and Frequency Selective Surfaces - Santiago de Compostela, Spain, March 2004.
Paper in proceedings
2004

Multipath Characterization of Antennas for MIMO Systems in Reverberation Chamber Including Effects of Coupling and Efficiency

K. Rosengren, Per-Simon Kildal, Patrik Bohlin
Proc. of APS/URSI 2004
Paper in proceedings
2004

Measurements of realized diversity gain of active DECT phones and base-stations in a reverberation chamber

R. Bourhis, Charlie Orlenius, G. Nilsson et al
IEEE Antennas and Propagation Society Symposium 2004 Digest held in Conjunction with: USNC/URSI National Radio Science Meeting; Monterey, CA; United States; 20 June 2004 through 25 June 2004, p. 715-718
Paper in proceedings
2004

Numerical study of mode stirring in reverberation chambers using moment method and Ewald summation

Ulf Carlberg, Per-Simon Kildal, Jan Carlsson
EMB 04 - Computational Electromagnetics: Methods and Applications, 18-19 Oct 2004, Gothenburg, Sweden
Paper in proceedings
2004

A method of moments solution of a 2D reverberation chamber using G1DMULT and asymptotic extraction

Kristian Karlsson, Jan Carlsson, Ulf Carlberg et al
IEEE AP-S International Symposium, Monterey, California, June 2004
Paper in proceedings
2004

FEM study of finite period longitudinal corrugations in circular hard waveguides and horns

Omid Sotoudeh, Per-Simon Kildal, P. Ingvarson
JINA 2004, Nice, France, November 2004
Paper in proceedings
2004

Miniaturized hard waveguides for use in multi-frequency arrays

M. Ng Mou Kehn, Per-Simon Kildal
27th ESA Antenna Technology Workshop on Innovative Periodic Antennas: Electromagnetic Bandgap, Left-Handed Materials, Fractal and Frequency Selective Surfaces - Santiago de Compostela, Spain, March 2004.
Paper in proceedings
2004

Development of Reverberation Chamber for Accurate Measurements of Mobile Phones and Mobile Phone Antennas

N. Hegge, Charlie Orlenius, Per-Simon Kildal
Antenna Measurements and SAR (AMS) Technical Seminar 2004, Loughborough Univ., UK, 25-26 May 2004
Paper in proceedings
2004

Mode matching codes for analysis of hard horn antennas

Sergei Skobelev, Omid Sotoudeh, Per-Simon Kildal
Joint COST 273/284 Workshop, Chalmers University of Technology, Göteborg, Sweden, 7-9 June 2004
Paper in proceedings
2004

FEM Analysis of Corrugated Waveguides

Thomas Rylander, Omid Sotoudeh, Per-Simon Kildal
EMB 04 - Electromagnetic Computations for Analysis and Design of Complex Systems
Paper in proceedings
2004

A method of moments solution for a mechanical mode stirrer in a reverberation chamber using spectral domain techniques

Kristian Karlsson, Jan Carlsson, Ulf Carlberg et al
Joint COST 273/284 Workshop, Chalmers University of Technology, Göteborg, Sweden, 7-9 June 2004
Paper in proceedings
2004

Comparison of different numerical modeling techniques for reverberation chamber: Initial 2D study

Ulf Carlberg, Per-Simon Kildal, Jan Carlsson et al
IEEE AP-S International Symposium, Monterey, California, June 2004
Paper in proceedings
2004

Simulation and measurements of capacity of a 2x2 MIMO system by using embedded element pattern of two coupled dipoles

Kent Rosengren, Per-Simon Kildal
JINA 2004, Nice, France, November 2004
Paper in proceedings
2004

Physical asymptotic model for a conducting patch and how this enables the inclusion of dielectric substrate in a free-space moment method code

Jan Carlsson, Per-Simon Kildal
IEE Proceedings Microwave Antennas and Propagation. Vol. 151 (151), p. 338-344
Journal article
2004

Calculated and measured absorption cross sections of lossy objects in reverberation chamber

Ulf Carlberg, Per-Simon Kildal, Andreas Wolfgang et al
IEEE Transactions on Electromagnetic Compatibility. Vol. 46 (2), p. 146-154
Journal article
2004

Miniaturized dielectric-loaded hard rectangular waveguides for use in multi-function array systems

Malcolm Ng Mou Kehn, Per-Simon Kildal
Joint COST 273/284 Workshop, Chalmers University of Technology, Göteborg, Sweden, 7-9 June 2004
Paper in proceedings
2004

Understanding STOP and GO characteristics of EBG surfaces in terms of current fences and current lanes

Per-Simon Kildal
USNC/URSI National Radio Science Meeting, Monterey, California, June 2004.
Paper in proceedings
2004

Diversity gain of active DECT phones with two built-in antennas measured in reverberation chamber

Charlie Orlenius, R. Bourhis, Per-Simon Kildal
Joint COST 273/284 Workshop, Chalmers University of Technology, Göteborg, Sweden, 7-9 June 2004
Paper in proceedings
2004

G2DMULT - A fast algorithm for analysis and design of base station antennas

Jian Yang, Ulf Carlberg, Per-Simon Kildal
Joint COST 273/284 Workshop, Chalmers University of Technology, Göteborg, Sweden, 7-9 June 2004
Paper in proceedings
2004

A Fast Calculation of Impedances of Dipoles near Cylindrical Structure by Applying Asymptotic Waveform Evaluation in a Spectrum of 2D Solutions

Jian Yang, Per-Simon Kildal
Microwave and Optical Technology Letters. Vol. 43 (4), p. 314-317
Journal article
2004

A fast algorithm for cylindrical multimaterial structures of arbitrary cross section by applying asymptotic waveform evaluation in a spectrum of two-dimensional solutions

Jian Yang, Ulf Carlberg, Per-Simon Kildal
EMB 04 - Computational Electromagnetics: Methods and Applications, 18-19 Oct 2004, Gothenburg, Sweden
Paper in proceedings
2004

Characterization of antennas for MIMO systems in reverberation chamber and by simulation

Kent Rosengren, Patrik Bohlin, Per-Simon Kildal
Joint COST 273/284 Workshop, Chalmers University of Technology, Göteborg, Sweden, 7-9 June 2004
Paper in proceedings
2004

An Efficient Computation of Impedances of Dipoles over Cylindrical Structure By Using a spectrum of 2D Solutions with Asymptotic Waveform Evaluation

Jian Yang, Per-Simon Kildal
IEEE 2004 AP-S International Symposium. Vol. 4, p. 3956 - 3959
Paper in proceedings
2004

Anomaly when studying electromagnetic radiation from the open end of ideally hard circularwaveguide

Sergei Skobelev, Per-Simon Kildal
URSI International Symposium on Electromagnetic Theory, Pisa, Italy, May 2004
Paper in proceedings
2004

A Fast Mode Analysis for Waveguides of Arbitrary Cross Section With Multiple Regions by Using a Spectrum of Two-Dimensional Solutions and Asymptotic Waveform Evaluation

Jian Yang, Ulf Carlberg, Per-Simon Kildal et al
IEEE Transactions on Microwave Theory and Techniques. Vol. 52 (6), p. 1615-1621
Journal article
2003

Measuring receiver sensitivity of mobile phones in reverberation chambers

Nikolay Serafimov, Charlie Orlenius, Per-Simon Kildal
Antenn 03 in Kalmar, May 13-15, 2003
Paper in proceedings
2003

The Odin satellite - I. Radiometer design and test

U. Frisk, MAGNE HAGSTRÖM, J. Ala-Laurinaho et al
Astronomy and Astrophysics. Vol. 402 (3), p. L27-L34
Journal article
2003

EM modeling of surfaces with STOP or GO characteristics - Artificial magnetic conductors and soft and hard surfaces

Per-Simon Kildal, Ahmed Kishk
ACES Conference, Monterey, California, March 2003
Paper in proceedings
2003

How to transform an EBG surface to a soft or hard surface and thereby improve its STOP or GO characteristics

Per-Simon Kildal
USNC/URSI National Radio Science Meeting, Columbus, Ohio, June 2003.
Paper in proceedings
2003

Analysis of hard strip-loaded conical horn by the method of generalized scattering matrices

Sergei Skobelev, Per-Simon Kildal
IEEE Transactions on Antennas and Propagation. Vol. 51 (10), p. 2918-2925
Journal article
2003

Analysis of a boradband logperiodic feed for a Gregorian dual-reflector antenna for the proposed Square Kilometer Array (SKA) radio telescope

D. Ericsson, Per-Simon Kildal, Sander Weinreb
Antenn 03 in Kalmar, May 13-15, 2003
Paper in proceedings
2003

Some features of hard strip-loaded conical horn antenna

Sergei Skobelev, Per-Simon Kildal
IEE Proceedings Microwaves Optics and Antennas. Vol. 150 (3), p. 171-176
Journal article
2003

Analysis of conical quasi-TEM horn with a hard corrugated section

Sergei Skobelev, Per-Simon Kildal
Special Issue on Metamaterials in IEEE Transactions on Antennas and Propagation. Vol. 51 (10), p. 2723-2731
Journal article
2003

Diversity performance of a small terminal antenna for UMTS

Kent Rosengren, Per-Simon Kildal
Antenn 03 in Kalmar, May 13-15, 2003
Paper in proceedings
2003

Fast calculation of radiation patterns of antennas with cylindrical structure by applying asymptotic waveform evaluation in a spectrum of two-dimensional solutions

Jian Yang, Per-Simon Kildal
IEEE AP-S International Symposium, Columbus, Ohio, June 2003
Paper in proceedings
2003

Study of Cavity Resonances in Quasi-Optical Grid Amplifier with Hard-Walled Waveguide Section

Per-Simon Kildal, L. Acquarelli, J. R. V. Lillo et al
GigaHertz 2003, Seventh Symposium, Linköping, Sweden, Nov 2003
Paper in proceedings
2003

Theoretical study of the corrugated hard horn used as feed in multibeam antennas for dual band operation at 20/30 GHz

Omid Sotoudeh, Per-Simon Kildal, C. Mangenot et al
IEEE AP-S International Symposium, Columbus, Ohio, June 2003
Paper in proceedings
2003

EM Modeling of surfaces with STOP or GO characteristics - artificial magnetic conductors and soft and hard surfaces

Per-Simon Kildal, A. Kishk
Applied Computational Electromagnetics Society Journal. Vol. 18 (1), p. 32-40
Journal article
2003

Bluetooth measurements in a reverberation chamber

A. Wolfgang, Charlie Orlenius, Per-Simon Kildal
Antenn 03 in Kalmar, May 13-15, 2003
Paper in proceedings
2003

Analyzing conformal antennas on cylindrical and spherical multilayer structures using G1DMULT: An overview

Zvonimir Sipus, Per-Simon Kildal
Antenn 03 in Kalmar, May 13-15, 2003
Conference contribution
2003

Performance of high efficiency horn elements in cluster-fed multibeam satellite antennas at Ka band

Omid Sotoudeh, Per-Simon Kildal, P. Ingvarson
Antenn 03 in Kalmar, May 13-15, 2003
Paper in proceedings
2003

Investigation of dielectric-loaded hard-walled rectangular waveguides using a numerical spectral domain technique

Malcolm Ng Mou Kehn, Per-Simon Kildal
IEEE AP-S International Symposium, Columbus, Ohio, June 2003
Paper in proceedings
2003

Calculating mode solutions of classical and novel cylindrical waveguides by using the Moment Method algorithm G2DMULT

Ulf Carlberg, Jian Yang, Per-Simon Kildal
Antenn 03 in Kalmar, May 13-15, 2003
Paper in proceedings
2003

Procedure for measuring radiation efficiency in downlink band for active mobile phones in a reverberation chamber

Charlie Orlenius, Nikolay Serafimov, Per-Simon Kildal
IEEE AP-S International Symposium, Columbus, Ohio, June 2003
Paper in proceedings
2003

Study of propagation in compact hard quasi-TEM waveguides for use in multi-frequency antenna arrays

Malcolm Ng Mou Kehn, Per-Simon Kildal
Antenn 03 in Kalmar, May 13-15, 2003
Paper in proceedings
2003

Moment Method solutions of cylindrical waveguides by searching in a spectrum of two-dimensional solutions.

Ulf Carlberg, Jian Yang, Per-Simon Kildal
IEEE AP-S International Symposium, Columbus, Ohio, June 2003
Paper in proceedings
2003

Measuring output power of Bluetooth devices in a reverberation chamber

A. Wolfgang, Charlie Orlenius, Per-Simon Kildal
IEEE AP-S International Symposium, Columbus, Ohio, June 2003
Paper in proceedings
2003

Study of efficiencies and phase centers of broadband log-periodic feeds for large offset dual-reflector antennas using formulas for bodies of revolution (BOR1 extraction)

David Ericsson, Per-Simon Kildal, S. Weinreb
IEEE AP-S International Symposium, Columbus, Ohio, June 2003
Paper in proceedings
2003

Characterization of lossy cylinder in reverberation chamber by computed and measured absorption cross sections.

Ulf Carlberg, Per-Simon Kildal, A. Wolfgang et al
IEEE AP-S International Symposium, Columbus, Ohio, June 2003
Paper in proceedings
2003

Modal propagation in ideal soft and hard waveguides

G. Ruvio, Per-Simon Kildal, Stefano Maci
IEEE AP-S International Symposium, Columbus, Ohio, June 2003
Paper in proceedings
2003

Electromagnetic analysis of effective and apparent diversity gain of two parallel dipoles

Per-Simon Kildal, Kent Rosengren
IEEE Antennas and Wireless Propagation Letters. Vol. 2 (1), p. 9-13
Journal article
2003

Scattering by Screw Heads in Reflecting surfaces and their effect on the sidelobes of reflector antennas

Jian Yang, Per-Simon Kildal
Microwave and Optical Technology Letters. Vol. 38 (3), p. 213-217
Journal article
2003

Measurements with lossy objects in reverberation chambers and their effect on the polarization and elevation dependence of the field statistics

Ulf Carlberg, Per-Simon Kildal, A. Wolfgang et al
Antenn 03 in Kalmar, May 13-15, 2003
Paper in proceedings
2003

The N-guide: A novel miniaturized hard quasi-TEM waveguide

Malcolm Ng Mou Kehn, Per-Simon Kildal
IEEE AP-S International Symposium, Columbus, Ohio, June 2003
Paper in proceedings
2003

Accuracy of radiation efficiency measurements in a reverberation chamber

Jan Carlsson, A. Wolfgang, Charlie Orlenius et al
Antenn 03 in Kalmar, May 13-15, 2003
Paper in proceedings
2003

Efficient analysis of cylindrical antennas by applying asymptotic waveform evaluation in a spectrum of two-dimensional solutions

Jian Yang, Per-Simon Kildal, Ulf Carlberg
Antenn 03 in Kalmar, May 13-15, 2003
Paper in proceedings
2003

Improved procedure for measuring efficiency of small antennas in reverberation chambers

A. Wolfgang, Jan Carlsson, Charlie Orlenius et al
IEEE AP-S International Symposium, Columbus, Ohio, June 2003
Paper in proceedings
2003

The hard quasi-TEM horn as an application of EBG surfaces and how to analyze it using the mode-matching techniques

Sergei Skobelev, Per-Simon Kildal
Antenn 03 in Kalmar, May 13-15, 2003
Paper in proceedings
2003

Measurements of Radiated Power and Radiated Receiver Sensitivity in Reverberation Chambers

Charlie Orlenius, Per-Simon Kildal
GigaHertz 2003, Seventh Symposium, Linköping, Sweden, Nov 2003
Paper in proceedings
2002

Soft and hard surfaces by the physical approach, the ideal PEC/PMC strip model, the impedance boundary conditions, and the assymptotic boundary conditions

Per-Simon Kildal
USNC/URSI National Radio Science Meeting, San Antonio, Texas, June 2002
Paper in proceedings
2002

Accurate measurements of small antennas and radiation from mobile phones in reverberation chambers

Per-Simon Kildal, Yngve Hamnerius
URSI 2002 General assembly, Maastricht, August 2002
Paper in proceedings
2002

Calculation of self impedance and radiation efficiency of a dipole near a lossy cylinder with arbitrary cross section by using the moment method and a spectrum of two-dimensional solutions

Jian Yang, Jan Carlsson, Per-Simon Kildal et al
Microwave and Optical Technology Letters. Vol. 32, p. 108-112
Journal article
2002

Reverberation chambers for EMC susceptibility and emission analyses

M. Bäckström, O. Lundén, Per-Simon Kildal
Review of Radio Science 1999-2002, p. 429-452
Journal article
2002

Definition of effective diversity gain and how to measure it in a reverberation chamber

Per-Simon Kildal, Kent Rosengren, J. Byun et al
Microwave and Optical Technology Letters. Vol. 34 (1), p. 56-59
Journal article
2002

Analyzing propagation characteristics of hard waveguides using FDTD

Malcolm Ng Mou Kehn, Per-Simon Kildal
IEEE AP-S International Symposium, San Antonio, Texas, June 2002
Paper in proceedings
2002

Presentation of the spectral electric and magnetic field integral equations used in G2DMULT for analyzing cylindrical structures of multi-material regions

Jian Yang, Per-Simon Kildal
Microwave and Optical Technology Letters. Vol. 34 (2), p. 88-93
Journal article
2002

Measurement of Free-space Impedances of Small Antennas in Reverberation Chambers

Per-Simon Kildal, Charlie Carlsson, Jian Yang
Microwave and Optical Technology Letters. Vol. 32 (2), p. 112-115
Journal article
2002

On maximum available directivity of conformal arrays

Zvonimir Sipus, Per-Simon Kildal, N. Herscovici
USNC/URSI National Radio Science Meeting, San Antonio, Texas, June 2002
Paper in proceedings
2002

Actual diversity gain measured in the reverberation chamber

J. Byun, D. Kim, J. Lee et al
IEEE AP-S International Symposium, San Antonio, Texas, June 2002
Paper in proceedings
2002

Performance of mobile phones located in the vicinity of the human body measured in reverberation chamber

Per-Simon Kildal, Yngve Hamnerius, Charlie Carlsson et al
Swedish Radio Science Conference RVK, Stockholm, June 2002
Paper in proceedings
2002

More comparisons between radiation efficiencies of phone antennas and radiated power of mobile phones measured in anechoic chambers and reverberation

Nikolay Serafimov, Per-Simon Kildal
COST 273 Workshop, Espoo, Finland, May 2002
Paper in proceedings
2002

Influence of hard corrugated PBG wall design on performance of conical horn antenna

Sergei Skobelev, Per-Simon Kildal
Microwave and Optical Technology Letters. Vol. 32 (4)
Journal article