Jun MASHINO


Performance Evaluation of Low Complexity Digital Beamforming Algorithms by Link-Level Simulations and Outdoor Experimental Trials for 5G Low-SHF-Band Massive MIMO
Tatsuki OKUYAMA Satoshi SUYAMA Jun MASHINO Kazushi MURAOKA Kohei IZUI Kenichiro YAMAZAKI Yukihiko OKUMURA 
Publication:   
Publication Date: 2019/08/01
Vol. E102-B  No. 8  pp. 1382-1389
Type of Manuscript:  Special Section PAPER (Special Section on Technology Trials and Proof-of-Concept Activities for 5G and Beyond)
Category: 
Keyword: 
5GMassive MIMOdigital beamformingoutdoor experimental trialslow SHF bands
 Summary | Full Text:PDF

Recent Activities of 5G Experimental Trials on Massive MIMO Technologies and 5G System Trials Toward New Services Creation
Yukihiko OKUMURA Satoshi SUYAMA Jun MASHINO Kazushi MURAOKA 
Publication:   
Publication Date: 2019/08/01
Vol. E102-B  No. 8  pp. 1352-1362
Type of Manuscript:  INVITED PAPER (Special Section on Technology Trials and Proof-of-Concept Activities for 5G and Beyond)
Category: 
Keyword: 
fifth generation mobile communication systemradio access technologyhigher frequency bandexperimental trialsystem trial
 Summary | Full Text:PDF

Digital Beamforming Algorithm for 5G Low-SHF Band Massive MIMO
Shohei YOSHIOKA Satoshi SUYAMA Tatsuki OKUYAMA Jun MASHINO Yukihiko OKUMURA 
Publication:   
Publication Date: 2019/08/01
Vol. E102-B  No. 8  pp. 1371-1381
Type of Manuscript:  Special Section PAPER (Special Section on Technology Trials and Proof-of-Concept Activities for 5G and Beyond)
Category: 
Keyword: 
5Glow-SHF bandmassive MIMOmulti-user MIMOfully-digital beamformingintersite coordination
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Field Trial of 28GHz Band 5G Downlink Massive MIMO Employing Beam Tracking in Railway Environment
Yuta TAKAHASHI Tatsuki OKUYAMA Kazushi MURAOKA Satoshi SUYAMA Jun MASHINO Yukihiko OKUMURA 
Publication:   
Publication Date: 2019/08/01
Vol. E102-B  No. 8  pp. 1411-1417
Type of Manuscript:  Special Section PAPER (Special Section on Technology Trials and Proof-of-Concept Activities for 5G and Beyond)
Category: 
Keyword: 
5Ghigh mobilitymassive MIMObeamformingbeam tracking
 Summary | Full Text:PDF

Experimental Study of Large-Scale Coordinated Multi-User MIMO for 5G Ultra High-Density Distributed Antenna Systems
Takaharu KOBAYASHI Masafumi TSUTSUI Takashi DATEKI Hiroyuki SEKI Morihiko MINOWA Chiyoshi AKIYAMA Tatsuki OKUYAMA Jun MASHINO Satoshi SUYAMA Yukihiko OKUMURA 
Publication:   
Publication Date: 2019/08/01
Vol. E102-B  No. 8  pp. 1390-1400
Type of Manuscript:  Special Section PAPER (Special Section on Technology Trials and Proof-of-Concept Activities for 5G and Beyond)
Category: 
Keyword: 
5Gcell densificationdistributed antenna systemcoordinated multi-user MIMOfield experiment
 Summary | Full Text:PDF

Performance Evaluation of Downlink Multi-User Massive MIMO with Configurable Active Antenna System and Inter Access Point Coordination in Low-SHF-Band
Yi JIANG Kenichiro YAMAZAKI Toshihiro HAYATA Kohei IZUI Kanada NAKAYASU Toshifumi SATO Tatsuki OKUYAMA Jun MASHINO Satoshi SUYAMA Yukihiko OKUMURA 
Publication:   
Publication Date: 2019/08/01
Vol. E102-B  No. 8  pp. 1401-1410
Type of Manuscript:  Special Section PAPER (Special Section on Technology Trials and Proof-of-Concept Activities for 5G and Beyond)
Category: 
Keyword: 
5GMassive MIMOlow-SHF-bandMU-MIMObeamformingC-RANCBCoMP
 Summary | Full Text:PDF

5G Distributed Massive MIMO with Ultra-High Density Antenna Deployment in Low SHF Bands
Tatsuki OKUYAMA Satoshi SUYAMA Jun MASHINO Yukihiko OKUMURA 
Publication:   
Publication Date: 2017/10/01
Vol. E100-B  No. 10  pp. 1921-1927
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
5Gultra-high densitydistributed massive MIMOvirtual cellflexible antenna deploymentlow SHF bands
 Summary | Full Text:PDF

Throughput Enhancement for SATCOM Systems Using Dynamic Spectrum Controlled Channel Allocation under Variable Propagation Conditions
Katsuya NAKAHIRA Jun MASHINO Jun-ichi ABE Daisuke MURAYAMA Tadao NAKAGAWA Takatoshi SUGIYAMA 
Publication:   
Publication Date: 2017/02/01
Vol. E100-B  No. 2  pp. 390-399
Type of Manuscript:  PAPER
Category: Satellite Communications
Keyword: 
satellite communicationchannel allocationresource controladaptive coding and modulationspectrum compressionspectrum divisiondemand assigned multiple access
 Summary | Full Text:PDF

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
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Blind Interference Suppression Scheme by Eigenvector Beamspace CMA Adaptive Array with Subcarrier Transmission Power Assignment for Spectrum Superposing
Kazuki MARUTA Jun MASHINO Takatoshi SUGIYAMA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2015/06/01
Vol. E98-B  No. 6  pp. 1050-1057
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
adaptive arraySubcarrier Transmission Power Assignment (STPA)blind algorithmEigenvector Beamspace Adaptive Array (EBAA)Constant Modulus Algorithm (CMA)spectrum superposing
 Summary | Full Text:PDF

Novel Channel Allocation Algorithm Using Spectrum Control Technique for Effective Usage of both Satellite Transponder Bandwidth and Satellite Transmission Power
Katsuya NAKAHIRA Jun-ichi ABE Jun MASHINO Takatoshi SUGIYAMA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2012/11/01
Vol. E95-B  No. 11  pp. 3393-3403
Type of Manuscript:  Special Section PAPER (Special Section on Satellite Communication Technologies in Conjunction with Main Topics of JC-SAT2011)
Category: 
Keyword: 
satellite communicationchannel allocationadaptive coding and modulationmulti-carrier transmissionsingle-carrier transmissionspectrum compressionspectrum divisionDAMA
 Summary | Full Text:PDF