Keyword : massive MIMO


Multi-Beam Massive MIMO with Beam-Selection Using Only Amplitude Information in Uplink Channel
Fumiya MURAMATSU Kentaro NISHIMORI Ryotaro TANIGUCHI Takefumi HIRAGURI 
Publication:   
Publication Date: 2018/07/01
Vol. E101-B  No. 7 ; pp. 1544-1551
Type of Manuscript:  Special Section PAPER (Special Section on Communication Quality in Wireless Networks)
Category: 
Keyword: 
massive MIMOhybrid analog-digital beamformingconstant modulus algorithmbeam-selection method
 Summary | Full Text:PDF(1.7MB)

A Low-Complexity Signal Detection Approach in Uplink Massive MIMO Systems
Zhuojun LIANG Chunhui DING Guanghui HE 
Publication:   
Publication Date: 2018/07/01
Vol. E101-A  No. 7 ; pp. 1115-1119
Type of Manuscript:  LETTER
Category: Digital Signal Processing
Keyword: 
massive MIMOsignal detectionKaczmarz algorithmMMSE
 Summary | Full Text:PDF(385.3KB)

Mitigating Pilot Contamination in Massive MIMO Using Cell Size Reduction
Parfait I. TEBE Yujun KUANG Affum E. AMPOMA Kwasi A. OPARE 
Publication:   
Publication Date: 2018/05/01
Vol. E101-B  No. 5 ; pp. 1280-1290
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
massive MIMOcopilot cellspilot sequence lengthreliability of channel estimationsystem performance
 Summary | Full Text:PDF(1.5MB)

Experimental Verification of Null-Space Expansion for Multiuser Massive MIMO via Channel State Information Measurement
Tatsuhiko IWAKUNI Kazuki MARUTA Atsushi OHTA Yushi SHIRATO Masataka IIZUKA 
Publication:   
Publication Date: 2018/03/01
Vol. E101-B  No. 3 ; pp. 877-884
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
massive MIMOmultiuser MIMOnull-space expansionchannel time variationinter-user interference
 Summary | Full Text:PDF(3.1MB)

Error Recovery for Massive MIMO Signal Detection via Reconstruction of Discrete-Valued Sparse Vector
Ryo HAYAKAWA Kazunori HAYASHI 
Publication:   
Publication Date: 2017/12/01
Vol. E100-A  No. 12 ; pp. 2671-2679
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: Communication Theory and Systems
Keyword: 
massive MIMOsignal detectionsum-of-absolute-value optimizationrestricted isometry property
 Summary | Full Text:PDF(1.2MB)

Performance Analysis on Uplink Pilot Allocation in TDD Massive MIMO Heterogeneous Networks
Wanming HAO Osamu MUTA Haris GACANIN Hiroshi FURUKAWA 
Publication:   
Publication Date: 2017/11/01
Vol. E100-A  No. 11 ; pp. 2314-2322
Type of Manuscript:  Special Section PAPER (Special Section on Smart Multimedia & Communication Systems)
Category: Communication Systems
Keyword: 
interference coordinationpilot allocationheterogeneous networkmassive MIMO
 Summary | Full Text:PDF(1.5MB)

A 15GHz-Band 4-Channel Transmit/Receive RF Core-Chip for High SHF Wide-Band Massive MIMO in 5G
Koji TSUTSUMI Takaya MARUYAMA Wataru YAMAMOTO Takanobu FUJIWARA Tatsuya HAGIWARA Ichiro SOMADA Eiji TANIGUCHI Mitsuhiro SHIMOZAWA 
Publication:   
Publication Date: 2017/10/01
Vol. E100-C  No. 10 ; pp. 825-832
Type of Manuscript:  Special Section PAPER (Special Section on Microwave and Millimeter-Wave Technology)
Category: 
Keyword: 
massive MIMOactive phased array antennahigh SHFphase shiftersvariable gain amplifiersCMOS integrated circuits
 Summary | Full Text:PDF(2.9MB)

Analysis on Physical-Layer Security for Multi-Cell Coordination Aided Ultra-Dense Heterogeneous Networks
Zhihao ZHONG Jianhua PENG Kaizhi HUANG 
Publication:   
Publication Date: 2017/10/01
Vol. E100-B  No. 10 ; pp. 1846-1855
Type of Manuscript:  PAPER
Category: Network
Keyword: 
ultra dense heterogeneous networksphysical-layer securityubiquitous arraymassive MIMOmulti-cell coordination
 Summary | Full Text:PDF(1.1MB)

A Compact RF Frontend Module of Active Phased Array Antenna for High SHF Wideband Massive MIMO in 5G
Hideyuki NAKAMIZO Shintaro SHINJO Koji TSUTSUMI Satoshi YAMAGUCHI Hideharu YOSHIOKA Akihiro OKAZAKI Akinori TAIRA Kenichi TAJIMA 
Publication:   
Publication Date: 2017/10/01
Vol. E100-C  No. 10 ; pp. 818-824
Type of Manuscript:  INVITED PAPER (Special Section on Microwave and Millimeter-Wave Technology)
Category: 
Keyword: 
massive MIMOactive phased array antennahigh SHFRF frontend5G
 Summary | Full Text:PDF(1.5MB)

Experimental Investigation of Space Division Multiplexing on Massive Antenna Systems for Wireless Entrance
Kazuki MARUTA Atsushi OHTA Satoshi KUROSAKI Takuto ARAI Masataka IIZUKA 
Publication:   
Publication Date: 2017/08/01
Vol. E100-B  No. 8 ; pp. 1436-1448
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
massive MIMOmultiuser MIMOchannel measurementline-of-sight propagationinter-user interference cancellationspatial correlation
 Summary | Full Text:PDF(4.3MB)

NL-BMD: Nonlinear Block Multi-Diagonalization Precoding for High SHF Wide-Band Massive MIMO in 5G
Hiroshi NISHIMOTO Akinori TAIRA Hiroki IURA Shigeru UCHIDA Akihiro OKAZAKI Atsushi OKAMURA 
Publication:   
Publication Date: 2017/08/01
Vol. E100-B  No. 8 ; pp. 1215-1227
Type of Manuscript:  Special Section PAPER (Special Section on Radio Access Technologies for 5G Mobile Communications System)
Category: Wireless Communication Technologies
Keyword: 
5Gmassive MIMOMU-MIMOinter-user interferenceprecodingnonlinear block multi-diagonalization
 Summary | Full Text:PDF(8.1MB)

Development of Wireless Access and Flexible Networking Technologies for 5G Cellular Systems
Seiichi SAMPEI 
Publication:   
Publication Date: 2017/08/01
Vol. E100-B  No. 8 ; pp. 1174-1180
Type of Manuscript:  INVITED PAPER (Special Section on Radio Access Technologies for 5G Mobile Communications System)
Category: Wireless Communication Technologies
Keyword: 
5G cellular systemsmassive MIMOmobile edge computingIoTenhanced mobile broadband service
 Summary | Full Text:PDF(1.2MB)

Subarray Based Low Computational Design of Multiuser MIMO System Adopting Massive Transmit Array Antenna
Tetsuki TANIGUCHI Yoshio KARASAWA 
Publication:   
Publication Date: 2017/08/01
Vol. E100-B  No. 8 ; pp. 1205-1214
Type of Manuscript:  Special Section PAPER (Special Section on Radio Access Technologies for 5G Mobile Communications System)
Category: Wireless Communication Technologies
Keyword: 
massive MIMOmultiuserblock diagonalizationsubarray5G
 Summary | Full Text:PDF(1.1MB)

Experimental Trial of 5G Super Wideband Wireless Systems Using Massive MIMO Beamforming and Beam Tracking Control in 28GHz Band
Tatsunori OBARA Tatsuki OKUYAMA Yuki INOUE Yuuichi AOKI Satoshi SUYAMA Jaekon LEE Yukihiko OKUMURA 
Publication:   
Publication Date: 2017/08/01
Vol. E100-B  No. 8 ; pp. 1256-1268
Type of Manuscript:  Special Section PAPER (Special Section on Radio Access Technologies for 5G Mobile Communications System)
Category: Wireless Communication Technologies
Keyword: 
5Ghigher frequency bandsmassive MIMObeamformingspatial multiplexingbeam tracking
 Summary | Full Text:PDF(10.2MB)

Serial and Parallel LLR Updates Using Damped LLR for LDPC Coded Massive MIMO Detection with Belief Propagation
Shuhei TANNO Toshihiko NISHIMURA Takeo OHGANE Yasutaka OGAWA 
Publication:   
Publication Date: 2017/08/01
Vol. E100-B  No. 8 ; pp. 1277-1284
Type of Manuscript:  Special Section PAPER (Special Section on Radio Access Technologies for 5G Mobile Communications System)
Category: Wireless Communication Technologies
Keyword: 
massive MIMObelief propagationLDPC codefactor graphbipartite graphtripartite graph
 Summary | Full Text:PDF(1.3MB)

Innovative Power Control Scheme Using the Mobility of the Station in the Large-Scale Antenna Array System
Chang-Bin HA Hyoung-Kyu SONG 
Publication:   
Publication Date: 2017/06/01
Vol. E100-A  No. 6 ; pp. 1338-1341
Type of Manuscript:  LETTER
Category: Digital Signal Processing
Keyword: 
massive MIMOpre-codingfast fadingDoppler frequencypower control
 Summary | Full Text:PDF(534.7KB)

Null-Space Expansion for Multiuser Massive MIMO Inter-User Interference Suppression in Time Varying Channels
Tatsuhiko IWAKUNI Kazuki MARUTA Atsushi OHTA Yushi SHIRATO Takuto ARAI Masataka IIZUKA 
Publication:   
Publication Date: 2017/05/01
Vol. E100-B  No. 5 ; pp. 865-873
Type of Manuscript:  PAPER
Category: Terrestrial Wireless Communication/Broadcasting Technologies
Keyword: 
inter-user interferencechannel time variationmultiuser MIMOmassive MIMOnull-space expansion
 Summary | Full Text:PDF(2.2MB)

User and Antenna Joint Selection in Multi-User Large-Scale MIMO Downlink Networks
Moo-Woong JEONG Tae-Won BAN Bang Chul JUNG 
Publication:   
Publication Date: 2017/04/01
Vol. E100-B  No. 4 ; pp. 529-535
Type of Manuscript:  PAPER
Category: Network
Keyword: 
large-scale MIMOmassive MIMOMU-MIMOuser and antenna joint selectioncomplexity
 Summary | Full Text:PDF(1MB)

Antenna Array Arrangement for Massive MIMO to Reduce Channel Spatial Correlation in LOS Environment
Takuto ARAI Atsushi OHTA Yushi SHIRATO Satoshi KUROSAKI Kazuki MARUTA Tatsuhiko IWAKUNI Masataka IIZUKA 
Publication:   
Publication Date: 2017/04/01
Vol. E100-B  No. 4 ; pp. 594-601
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
massive MIMOmulti-user MIMOantenna arrangementline of sightspatial correlation
 Summary | Full Text:PDF(2.8MB)

Multi-Beam Massive MIMO Using Constant Modulus Algorithm for QAM Signals Employing Amplitude and Phase Offset Compensation
Ryotaro TANIGUCHI Kentaro NISHIMORI Hideo MAKINO 
Publication:   
Publication Date: 2017/02/01
Vol. E100-B  No. 2 ; pp. 262-268
Type of Manuscript:  Special Section PAPER (Special Section on Antenna and Propagation Technologies Contributing to Realization of Next Generation Wireless Systems)
Category: 
Keyword: 
massive MIMOmulti-beamconstant modulus algorithmquadrature amplitude and phase modulation
 Summary | Full Text:PDF(1.1MB)

Analysis over Spectral Efficiency and Power Scaling in Massive MIMO Dual-Hop Systems with Multi-Pair Users
Yi WANG Baofeng JI Yongming HUANG Chunguo LI Ying HU Yewang QIAN Luxi YANG 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2016/09/01
Vol. E99-A  No. 9 ; pp. 1665-1673
Type of Manuscript:  PAPER
Category: Information Theory
Keyword: 
massive MIMOdual-hopmulti-pair usersspectral efficiencypower scaling
 Summary | Full Text:PDF(2MB)

Radio Access Technologies for Fifth Generation Mobile Communications System: Review of Recent Research and Developments in Japan
Hidekazu MURATA Eiji OKAMOTO Manabu MIKAMI Akihiro OKAZAKI Satoshi SUYAMA Takamichi INOUE Jun MASHINO Tetsuya YAMAMOTO Makoto TAROMARU 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2016/08/01
Vol. E99-B  No. 8 ; pp. 1638-1647
Type of Manuscript:  INVITED PAPER (Special Section on Advanced Information and Communication Technologies and Services in Conjunction with Main Topics of APCC2015)
Category: Terrestrial Wireless Communication/Broadcasting Technologies
Keyword: 
fifth generation mobile communication systemshigher frequency bandmassive MIMOC-Plane/U-Plane splittingC-RAN
 Summary | Full Text:PDF(2.9MB)

Massive MIMO Technologies and Challenges towards 5G
Haralabos PAPADOPOULOS Chenwei WANG Ozgun BURSALIOGLU Xiaolin HOU Yoshihisa KISHIYAMA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2016/03/01
Vol. E99-B  No. 3 ; pp. 602-621
Type of Manuscript:  INVITED SURVEY PAPER
Category: Wireless Communication Technologies
Keyword: 
5Gmassive MIMOTDDFDD
 Summary | Full Text:PDF(4.6MB)

A Novel RZF Precoding Method Based on Matrix Decomposition: Reducing Complexity in Massive MIMO Systems
Qian DENG Li GUO Jiaru LIN Zhihui LIU 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2016/02/01
Vol. E99-B  No. 2 ; pp. 439-446
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
massive MIMOmatrix decompositionRZF precodingcomputational complexitypower allocation
 Summary | Full Text:PDF(1.3MB)

Fractional Pilot Reuse in Massive MIMO System
Chao ZHANG Lu MA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2015/11/01
Vol. E98-A  No. 11 ; pp. 2356-2359
Type of Manuscript:  LETTER
Category: Communication Theory and Signals
Keyword: 
fractional pilot reuseFPRfractional frequency reuseFFRSINRmassive MIMOlarge MIMO
 Summary | Full Text:PDF(540.6KB)

Performance Analysis in the High SNR Region for MF in the Downlink of Massive MIMO Systems
Wence ZHANG Yan NI Hong REN Ming CHEN Jianxin DAI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2015/08/01
Vol. E98-A  No. 8 ; pp. 1865-1870
Type of Manuscript:  LETTER
Category: Mobile Information Network and Personal Communications
Keyword: 
massive MIMOmatched filter (MF)conjugate beamformingdata rateoutage probability
 Summary | Full Text:PDF(424.9KB)

Interference Reduction Characteristics by Circular Array Based Massive MIMO in a Real Microcell Environment
Ryochi KATAOKA Kentaro NISHIMORI Ngochao TRAN Tetsuro IMAI Hideo MAKINO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2015/08/01
Vol. E98-B  No. 8 ; pp. 1447-1455
Type of Manuscript:  Special Section PAPER (Special Section on 5G Radio Access Networks―Part I: Radio Access Technologies and System Design)
Category: 
Keyword: 
massive MIMOcircular arraymicrocellmaximum ratio combiningzero forcingchannel sounder
 Summary | Full Text:PDF(4.8MB)

Simplified Full-Rate Quasi-Orthogonal STBC for 16x16 Massive MIMO in Rayleigh Fading Channels
Phyu Phyu HAN Khin Zar Chi WINN Atul SEWAIWAR Yeon-Ho CHUNG 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2015/08/01
Vol. E98-A  No. 8 ; pp. 1858-1859
Type of Manuscript:  LETTER
Category: Communication Theory and Signals
Keyword: 
massive MIMOquasi-orthogonal STBCfull-rate
 Summary | Full Text:PDF(581.4KB)

Timing Synchronization for Massive MIMO System with Extended CCK Codes
Liang ZHAO Jun ZHANG Xuejun ZHANG Yun BAI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2014/11/01
Vol. E97-A  No. 11 ; pp. 2174-2177
Type of Manuscript:  Special Section LETTER (Special Section on Smart Multimedia & Communication Systems)
Category: 
Keyword: 
massive MIMOtiming synchronizationCCK modulationzero correlation zone
 Summary | Full Text:PDF(409KB)

A Practical Antenna Selection Technique in Multiuser Massive MIMO Networks
Tae-Won BAN Bang Chul JUNG 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2013/11/01
Vol. E96-B  No. 11 ; pp. 2901-2905
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
massive MIMOmultiuser MIMOcellular networkantenna selectionprecoding
 Summary | Full Text:PDF(727.7KB)