Chalmers Research: Chen Xiaoming

2019

Characterizations of Mutual Coupling Effects on Switch-Based Phased Array Antennas for 5G Millimeter-Wave Mobile Communications

Chen Xiaoming, Muhammad Abdullah, Qinlong Li et al

IEEE Access. Vol. 7, p. 31376-31384

Artikel i vetenskaplig tidskrift

2019

Guest Editorial: Metrology for 5G Technologies

Wei Fan, Chen Xiaoming, Pekka Kyosti et al

IET Microwaves, Antennas and Propagation. Vol. 13 (15), p. 2581-2583

Övrig text i vetenskaplig tidskrift

2018

Uplink Multiuser MIMO-OFDM System in the Presence of Phase Noises, Power Imbalance, and Correlation

Chen Xiaoming, Andreas Wolfgang, Tommy Svensson

Wireless Communications and Mobile Computing. Vol. 2018

Artikel i vetenskaplig tidskrift

Visa projekt

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 i proceeding

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 i proceeding

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 i proceeding

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 i proceeding

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 i proceeding

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 i proceeding

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, p. 301-306

Paper i proceeding

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

Artikel i vetenskaplig tidskrift

2014

Experimental Investigation and Modeling of the Throughput of a 2×2 Closed-Loop MIMO System in a Reverberation Chamber

Chen Xiaoming

IEEE Transactions on Antennas and Propagation. Vol. 62 (9), p. 4832-4835

Artikel i vetenskaplig tidskrift

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 i proceeding

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

Artikel i vetenskaplig tidskrift

2014

Random coupling model for wireless communication channels

G. Gradoni, Chen Xiaoming, T.M.J. Antonsen et al

IEEE International Symposium on Electromagnetic Compatibility, p. 878-882

Paper i proceeding

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 i proceeding

2014

Throughput Modeling and Measurement in an Isotropic-Scattering Reverberation Chamber

Chen Xiaoming

IEEE Transactions on Antennas and Propagation. Vol. 62 (4), p. 2130-2139

Artikel i vetenskaplig tidskrift

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 i proceeding

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 i proceeding

2014

Generalized Statistics of Antenna Efficiency Measurement in a Reverberation Chamber

Chen Xiaoming

IEEE Transactions on Antennas and Propagation. Vol. 62 (3), p. 1504-1507

Artikel i vetenskaplig tidskrift

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 i proceeding

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 i proceeding

2013

Measurement Uncertainty of Antenna Efficiency in a Reverberation Chamber

Chen Xiaoming

IEEE Transactions on Electromagnetic Compatibility. Vol. 55 (6), p. 1331-1334

Artikel i vetenskaplig tidskrift

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). Vol. 2, p. 888-891

Paper i proceeding

2013

Experimental Investigation of the Number of Independent Samples and the Measurement Uncertainty in a Reverberation Chamber

Chen Xiaoming

IEEE Transactions on Electromagnetic Compatibility. Vol. 55 (5), p. 816-824

Artikel i vetenskaplig tidskrift

2013

Required number of OTA antennas in the multi-probe test system

Chen Xiaoming

Progress In Electromagnetics Research Letters. Vol. 43, p. 35-43

Artikel i vetenskaplig tidskrift

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 i proceeding

2013

Model selection for investigation of the field distribution in a reverberation chamber

Chen Xiaoming

Progress In Electromagnetics Research M. Vol. 28, p. 169-183

Artikel i vetenskaplig tidskrift

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

Artikel i vetenskaplig tidskrift

2013

Throughput Multiplexing Efficiency for MIMO Antenna Characterization

Chen Xiaoming

IEEE Antennas and Wireless Propagation Letters. Vol. 12, p. 1208-1211

Artikel i vetenskaplig tidskrift

2013

On OTA test in the presence of Doppler spreads in a reverberation chamber

Kristian Karlsson, Chen Xiaoming, Jan Carlsson et al

IEEE Antennas and Wireless Propagation Letters. Vol. 12, p. 886-889

Artikel i vetenskaplig tidskrift

2013

Using Akaike Information Criterion for Selecting the Field Distribution in a Reverberation Chamber

Chen Xiaoming

IEEE Transactions on Electromagnetic Compatibility. Vol. 55 (4), p. 664-670

Artikel i vetenskaplig tidskrift

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

Artikel i vetenskaplig tidskrift

2013

On Statistics of the Measured Antenna Efficiency in a Reverberation Chamber

Chen Xiaoming

IEEE Transactions on Antennas and Propagation. Vol. 61 (11), p. 5417-5427

Artikel i vetenskaplig tidskrift

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 i proceeding

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

Artikel i vetenskaplig tidskrift

2012

Spatial Correlation and Ergodic Capacity of MIMO Channel in Reverberation Chamber

Chen Xiaoming

International Journal of Antennas and Propagation. Vol. 2012, p. Art. no. 939104-

Artikel i vetenskaplig tidskrift

2012

Robust calculations of maximum ratio combining diversity gains based on stochastic measurements

Chen Xiaoming

Progress In Electromagnetics Research Letters. Vol. 31, p. 107-112

Artikel i vetenskaplig tidskrift

2012

Measurements and evaluations of multi-element antennas based on limited channel samples in a reverberation chamber

Chen Xiaoming

Progress in Electromagnetics Research. Vol. 131, p. 45-62

Artikel i vetenskaplig tidskrift

2012

Investigation of the Effect of Noise Correlations on Diversity Gains and Capacities of Multiport Antennas Using Reverberation Chamber

Chen Xiaoming, Jian Yang

International Journal of Antennas and Propagation. Vol. 2012, p. Art. no. 486730-

Artikel i vetenskaplig tidskrift

2012

Evaluation and measurement of the Doppler spectrum in a reverberation chamber

Chen Xiaoming

Seminars in Interventional Radiology. Vol. 26, p. 267-277

Artikel i vetenskaplig tidskrift

2012

On independent platform sample number for reverberation chamber measurements

Chen Xiaoming

IEEE Transactions on Electromagnetic Compatibility. Vol. 54 (6), p. 1306-1309

Artikel i vetenskaplig tidskrift

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 i proceeding

2012

Characterization of MIMO Antennas and Terminals: Measurements in Reverberation Chambers

Chen Xiaoming

Doktorsavhandling

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 i proceeding

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

Artikel i vetenskaplig tidskrift

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 i proceeding

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 i proceeding

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

Artikel i vetenskaplig tidskrift

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 i proceeding

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 i proceeding

2011

Estimation of Average Rician K-factor in Reverberation Chamber

Chen Xiaoming, Per-Simon Kildal, Jan Carlsson

International Symposium on Antennas and Propagation

Paper i proceeding

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

Artikel i vetenskaplig tidskrift

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

Artikel i vetenskaplig tidskrift

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 i proceeding

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 i proceeding

2010

Measurements of diversity gain and radiation efficiency of the Eleven antenna by using different measurement techniques in Etech project

Jian Yang, S Pivnenko, T. Laitinen et al

EuCAP 2010 Fourth European Conference on Antennas and Propagation, Barcelona, 12-16 April 2010

Paper i proceeding

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 i proceeding

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

Artikel i vetenskaplig tidskrift

2010

Reverberation Chamber Characterizations for Passive and Active OTA Measurements

Chen Xiaoming

Licentiatavhandling

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 i proceeding

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 i proceeding

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

Artikel i vetenskaplig tidskrift

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 i proceeding

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 i proceeding

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

Artikel i vetenskaplig tidskrift

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 i proceeding

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 i proceeding

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 i proceeding

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 i proceeding

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 i proceeding

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 i proceeding

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 i proceeding

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 i proceeding