Qiang CHEN


Recent Technologies in Japan on Array Antennas for Wireless Systems
Jiro HIROKAWA Qiang CHEN Mitoshi FUJIMOTO Ryo YAMAGUCHI 
Publication:   
Publication Date: 2017/09/01
Vol. E100-B  No. 9  pp. 1644-1652
Type of Manuscript:  INVITED SURVEY PAPER
Category: Antennas and Propagation
Keyword: 
array antennamultiple antennacomputational electromagneticsmillimeter-waveantenna measurementsignal processing
 Summary | Full Text:PDF(2.1MB)

Linear Programming Phase Feeding Method for Phased-Array Scanning
Yi ZHANG Guoqiang ZHAO Houjun SUN Mang HE Qiang CHEN 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2016/07/01
Vol. E99-C  No. 7  pp. 892-894
Type of Manuscript:  BRIEF PAPER
Category: Electromagnetic Theory
Keyword: 
beam pointing accuracyquantization phase errorphased array antennaphase feeding methodslinear programming
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The Numerical Analysis of an Antenna near a Dielectric Object Using the Higher-Order Characteristic Basis Function Method Combined with a Volume Integral Equation
Keisuke KONNO Qiang CHEN 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2014/10/01
Vol. E97-B  No. 10  pp. 2066-2073
Type of Manuscript:  Special Section PAPER (Special Section on Recent Progress in Measurement and Design Techniques on Antennas, Propagation and Wireless Systems)
Category: 
Keyword: 
Method of Moments (MoM)higher-order characteristic basis function methodvolume integral equation
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Design and Optimization of a CDMA-Based Multi-Reader Passive UHF RFID System for Dense Scenarios
Zhi ZHANG Zhonghai LU Qiang CHEN Xiaolang YAN 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2012/01/01
Vol. E95-B  No. 1  pp. 206-216
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
passive UHF RFIDmulti-readerCDMASUDtag estimation
 Summary | Full Text:PDF(939.6KB)

Statistical Analysis of Huge-Scale Periodic Array Antenna Including Randomly Distributed Faulty Elements
Keisuke KONNO Qiang CHEN Kunio SAWAYA Toshihiro SEZAI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2011/10/01
Vol. E94-C  No. 10  pp. 1611-1617
Type of Manuscript:  Special Section PAPER (Special Section on Microwave and Millimeter-Wave Technology)
Category: Microwave and Millimeter-Wave Antennas
Keyword: 
Method of Moments (MoM)impedance extension method (IEM)local admittance compensation (LAC)array antenna
 Summary | Full Text:PDF(1.5MB)

A New Framework with FDPP-LX Crossover for Real-Coded Genetic Algorithm
Zhi-Qiang CHEN Rong-Long WANG 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2011/06/01
Vol. E94-A  No. 6  pp. 1417-1425
Type of Manuscript:  PAPER
Category: Numerical Analysis and Optimization
Keyword: 
genetic algorithmfunction optimizationreal-codedcrossover operator
 Summary | Full Text:PDF(563.6KB)

Numerical Analysis on MIMO Performance of the Modulated Scattering Antenna Array in Indoor Environment
Lin WANG Qiang CHEN Qiaowei YUAN Kunio SAWAYA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2011/06/01
Vol. E94-B  No. 6  pp. 1752-1756
Type of Manuscript:  LETTER
Category: Antennas and Propagation
Keyword: 
array antennamodulationmobile handsetsnonlinear circuitsVolterra seriesMoMMIMO
 Summary | Full Text:PDF(743.6KB)

Several Types of Antennas Composed of Microwave Metamaterials
Tie Jun CUI Xiao-Yang ZHOU Xin Mi YANG Wei Xiang JIANG Qiang CHENG Hui Feng MA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2011/05/01
Vol. E94-B  No. 5  pp. 1142-1152
Type of Manuscript:  INVITED PAPER (Special Section on Antenna and Propagation Technologies Contributing to Diversification of Wireless Technologies)
Category: 
Keyword: 
metamaterialsresonant antennasmetamaterial substrategradient indexanisotropic zero indexflat lensLuneburg lenshigh performance
 Summary | Full Text:PDF(6.1MB)

Three-Dimensional Electromagnetic Scattering Analysis Using Constrained Interpolation Profile Method
Jerdvisanop CHAKAROTHAI Qiang CHEN Kunio SAWAYA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2010/10/01
Vol. E93-B  No. 10  pp. 2619-2628
Type of Manuscript:  Special Section PAPER (Special Section on Advanced Technologies in Antennas and Propagation in Conjunction with Main Topics of ISAP2009)
Category: Electromagnetic Analysis
Keyword: 
electromagnetic scattering analysisscattering cross sectionCIP methodFDTD methodMie
 Summary | Full Text:PDF(1MB)

Quantitative Evaluation for Computational Cost of CG-FMM on Typical Wiregrid Models
Keisuke KONNO Qiang CHEN Kunio SAWAYA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2010/10/01
Vol. E93-B  No. 10  pp. 2611-2618
Type of Manuscript:  Special Section PAPER (Special Section on Advanced Technologies in Antennas and Propagation in Conjunction with Main Topics of ISAP2009)
Category: Electromagnetic Analysis
Keyword: 
Method of Moments (MoM)conjugate gradientfast multipole method
 Summary | Full Text:PDF(1.2MB)

Experimental Study on MIMO Performance of Modulated Scattering Antenna Array in Indoor Environment
Lin WANG Qiang CHEN Qiaowei YUAN Kunio SAWAYA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2010/03/01
Vol. E93-B  No. 3  pp. 679-684
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
antennaantenna arraymodulationwireless communicationsmobile handsetMIMO
 Summary | Full Text:PDF(803KB)

Analysis of Huge-Scale Periodic Array Antenna Using Impedance Extension Method
Keisuke KONNO Qiang CHEN Kunio SAWAYA Toshihiro SEZAI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/12/01
Vol. E92-B  No. 12  pp. 3869-3874
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
Method of Moments(MoM)impedance extension methodhuge periodic array antenna
 Summary | Full Text:PDF(680.4KB)

Current Estimation on Multi-Layer Printed Circuit Board with Lumped Circuits by Near-Field Measurement
Sumito KATO Qiang CHEN Kunio SAWAYA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2008/11/01
Vol. E91-B  No. 11  pp. 3788-3791
Type of Manuscript:  LETTER
Category: Electromagnetic Compatibility(EMC)
Keyword: 
measurementcurrent distributionnear-fieldPCBlumped circuit
 Summary | Full Text:PDF(617.8KB)

Experimental Study on MUSIC-Based DOA Estimation by Using Universal Steering Vector
Qiaowei YUAN Qiang CHEN Kunio SAWAYA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2008/05/01
Vol. E91-B  No. 5  pp. 1575-1580
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
MUSICdirection of arrivalarray antennaarray element patternmutual couplingsteering vectorMoM
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Numerical Investigation of Channel Capacity of Indoor MIMO System
Xiao Peng YANG Qiang CHEN Kunio SAWAYA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2007/09/01
Vol. E90-B  No. 9  pp. 2338-2343
Type of Manuscript:  Special Section PAPER (Special Section on 2006 International Symposium on Antennas and Propagation)
Category: Propagation
Keyword: 
MIMOchannel capacityindoor channelhybrid methodsreflection coefficienteffective multipaths
 Summary | Full Text:PDF(459.2KB)

SAR Investigation of Array Antennas for Mobile Handsets
Qiang CHEN Yasunori KOMUKAI Kunio SAWAYA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2007/06/01
Vol. E90-B  No. 6  pp. 1354-1356
Type of Manuscript:  Special Section LETTER (Special Section on 2nd Pan-Pacific EMC Joint Meeting--PPEMC'06--)
Category: 
Keyword: 
antennasarraysmobile antennasmobile communicationSARbiological effects of electromagnetic radiation
 Summary | Full Text:PDF(382KB)

Investigation of Wall Effect on Indoor MIMO Channel Capacity by Using MoM-FDTD Hybrid Technique
Xiao Peng YANG Qiang CHEN Kunio SAWAYA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2007/05/01
Vol. E90-B  No. 5  pp. 1201-1207
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
MIMOchannel capacityhybrid methodMoMFDTDRicean K factoreffective degrees of freedom (EDOF)
 Summary | Full Text:PDF(483.5KB)

Preconditioners for CG-FMM-FFT Implementation in EM Analysis of Large-Scale Periodic Array Antennas
Huiqing ZHAI Qiaowei YUAN Qiang CHEN Kunio SAWAYA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2007/03/01
Vol. E90-B  No. 3  pp. 707-710
Type of Manuscript:  LETTER
Category: Antennas and Propagation
Keyword: 
large-scale periodic array antennamethod of moments (MoM)fast multipole method (FMM)fast Fourier transform (FFT)preconditioner
 Summary | Full Text:PDF(114KB)

Effects of Wall Reflection on Indoor MIMO Channel Capacity
Xiao Peng YANG Qiang CHEN Kunio SAWAYA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2007/03/01
Vol. E90-B  No. 3  pp. 704-706
Type of Manuscript:  LETTER
Category: Antennas and Propagation
Keyword: 
MIMOchannel capacityindoor channelhybrid methodreflection coefficient
 Summary | Full Text:PDF(143.8KB)

Numerical Analysis of Wall Material Effect on Indoor MIMO Channel Capacity
Xiao Peng YANG Qiang CHEN Kunio SAWAYA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2006/10/01
Vol. E89-B  No. 10  pp. 2949-2951
Type of Manuscript:  LETTER
Category: Wireless Communication Technologies
Keyword: 
MIMOchannel capacityindoor channelhybrid methodRicean K factoreffective degrees of freedom (EDOF)
 Summary | Full Text:PDF(127.2KB)

Analysis of Large-Scale Periodic Array Antennas by CG-FFT Combined with Equivalent Sub-Array Preconditioner
Huiqing ZHAI Qiang CHEN Qiaowei YUAN Kunio SAWAYA Changhong LIANG 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2006/03/01
Vol. E89-B  No. 3  pp. 922-928
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
large-scale periodic phased arraysmethod of moments (MoM)block Toeplitz matricesconjugate-gradient fast Fourier transform (CG-FFT)preconditioner of iterative method
 Summary | Full Text:PDF(624.3KB)

Convergence of SOR in MoM Analysis of Array Antenna
Qiang CHEN Qiaowei YUAN Kunio SAWAYA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/05/01
Vol. E88-B  No. 5  pp. 2220-2223
Type of Manuscript:  LETTER
Category: Antennas and Propagation
Keyword: 
antennaarray antennasmethod of momentsmatrix equationSORiterative method
 Summary | Full Text:PDF(138.8KB)

Accurate Source Model for MoM Analysis of Linear Antennas by Using Sinusoidal Reaction Matching Technique
Qiang CHEN Qiaowei YUAN Kunio SAWAYA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2003/02/01
Vol. E86-B  No. 2  pp. 870-872
Type of Manuscript:  LETTER
Category: Antenna and Propagation
Keyword: 
method of momentsource modelfeedlinear antenna
 Summary | Full Text:PDF(201.7KB)

Fast Algorithm for Solving Matrix Equation in MoM Analysis of Large-Scale Array Antennas
Qiang CHEN Qiaowei YUAN Kunio SAWAYA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2002/11/01
Vol. E85-B  No. 11  pp. 2482-2488
Type of Manuscript:  PAPER
Category: Antenna and Propagation
Keyword: 
antennaantenna arraymoment methodmatrix equationiterative method
 Summary | Full Text:PDF(891.5KB)

Measurement of Power Absorption by Human Model in the Vicinity of Antennas
Qiang CHEN Takayuki SHINOHE Kazuhisa IGARI Kunio SAWAYA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1997/05/25
Vol. E80-B  No. 5  pp. 709-711
Type of Manuscript:  Special Section LETTER (Special Issue on EMC/EMI Problems in Microwave Frequency Range)
Category: 
Keyword: 
absorption of electromagnetic powerradiation efficiencyantennameasurementEMC
 Summary | Full Text:PDF(175.2KB)

Analysis of MRI Slotted Tube Resonator Having a Shield of Conducting Circular Cylinder
Qiang CHEN Kunio SAWAYA Saburo ADACHI Hisaaki OCHI Etsuji YAMAMOTO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1993/05/25
Vol. E76-B  No. 5  pp. 553-560
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
MRINMRslotted tube resonatorshieldantennaprobe
 Summary | Full Text:PDF(608.8KB)