Kristian Karlsson

Visar 31 publikationer

2018

A Simple Method for Robust Vehicular Communication with Multiple Nonideal Antennas

Keerthi Nagalapur, Erik Ström, Fredrik Brännström et al
Paper i proceeding
2015

Combined LTE and IEEE 802.11p Antenna for Vehicular Applications

Edith Condo Neira, Jan Carlsson, Kristian Karlsson et al
Antennas and Propagation (EuCAP) Proceedings of the 9th European Conference, Lisbon, Portugal, April 2015, p. Art. Nr 7228685-
Paper i proceeding
2014

Utilizing Two-Ray Interference in Vehicle-to-Vehicle Communications

Kristian Karlsson, Jan Carlsson, Magnus Olbäck et al
8th European Conference on Antennas and Propagation, EuCAP 2014, The Hague, The Netherlands 6-11 April 2014, p. 2544 - 2547
Paper i proceeding
2014

Evaluation of V2X Antenna Performance Using a Multipath Simulation Tool

Edith Condo Neira, Ulf Carlberg, Jan Carlsson et al
Antennas and Propagation (EuCAP), Proceedings of the 8th European Conference, The Hague, The Netherlands, Apr. 2014, p. 2534-+
Paper i proceeding
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
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

Analysis and optimization of MIMO capacity by using circuit simulation and embedded element patterns from full-wave simulation

Kristian Karlsson, Jan Carlsson
2010 International Workshop on Antenna Technology (iWAT 2010), 1-3 March 2010, Lisbon, Portugal
Paper i proceeding
2009

Circuit based optimization of radiation characteristics of single and multi-port antennas

Kristian Karlsson, Jan Carlsson
Radioengineering. Vol. 18 (4), p. 438-444
Artikel i vetenskaplig tidskrift
2009

Circuit Based Optimization of Radiation Characteristics of Single and Multi-Port Antennas

Kristian Karlsson
EuCAP 2009. 3rd European Conference on, p. 1513-1516
Paper i proceeding
2009

Circuit Based Optimization of Radiation Characteristics of Single and Multi-Port Antennas

Kristian Karlsson
Radioengineering. Vol. 18 (4), p. 438-444
Artikel i vetenskaplig tidskrift
2008

Analysis and optimization of multi-port antennas by using circuit simulation and embedded element patterns from full-wave simulation

Jan Carlsson, Kristian Karlsson
IEEE International Symposium on Antennas and Propagation (IEEE AP-S), San Diego
Paper i proceeding
2008

Method for Circuit Based Optimizations of Radiation Characteristics of Multi-Port Antennas

Kristian Karlsson, Jan Carlsson
GigaHertz Symposium 2008, Chalmers, 5-6 March 2008
Paper i proceeding
2008

Analysis and Optimization of Multi-Port Antennas by using Circuit Simulation and Embedded Element Patterns from Full-Wave Simulation

Jan Carlsson, Kristian Karlsson
2008 IEEE International Symposium on Antennas and Propagation and USNC/URSI National Radio Science Meeting, APSURSI, San Diego, CA, United States, 5-12 July 2008, p. Art. no. 4619405-
Paper i proceeding
2008

Study of diversity gain obtained with two PIFA antennas on a small ground plane for a UMTS terminal

Bin Guo, Kristian Karlsson, Omid Sotoudeh
IEEE International Symposium on Antennas and Propagation (IEEE AP-S), San Diego
Paper i proceeding
2007

Modified Planar Inverted Cone Antenna for Mobile Communication Handsets

Paul Hallbjörner, Shi Cheng, Anders Rydberg et al
Artikel i vetenskaplig tidskrift
2007

Combination of Full Wave Sim­ulations and Equivalent Circuit Models in Predicting Coupling between Antenna Element and Nearby Object in Mobile Phone

Kristian Karlsson, Jan Carlsson, P. Ankarson et al
International Workshop on Antenna Technology 2007 (iWAT07), 21st-23rd March, 2007, Cambridge, U.K
Paper i proceeding
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 i proceeding
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 i proceeding
2006

Effective Radiated Power Measurements in Reverberation Chamber

Kristian Karlsson, Jan Carlsson
Antenn 06, Nordic Antenna Symposium, Linköping, Sweden, May 30 – June 1, 2006
Paper i proceeding
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 i proceeding
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
Artikel i vetenskaplig tidskrift
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 i proceeding
2006

Investigation and Circumvention of Standing Wave Phenomena on Ground Reflection Antenna Test Ranges

Ulrich Stein, Jan Carlsson, Kristian Karlsson
LAPC 2006 (Loughborough Antennas & Propagation Conference), Loughborough, England, April 11 – 12, 2006
Paper i proceeding
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 i proceeding
2005

Numerical simulations of reverberation chamber measurements

Kristian Karlsson
Svenska Antenn Mät Selskapet (SAMS), Linköping
Paper i proceeding
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 i proceeding
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 i proceeding
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 i proceeding
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 i proceeding

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