Shinya KUMAGAI


Cooperative Distributed Antenna Transmission for 5G Mobile Communications Network
Fumiyuki ADACHI Amnart BOONKAJAY Yuta SEKI Tomoyuki SAITO Shinya KUMAGAI Hiroyuki MIYAZAKI 
Publication:   
Publication Date: 2017/08/01
Vol. E100-B  No. 8  pp. 1190-1204
Type of Manuscript:  Special Section PAPER (Special Section on Radio Access Technologies for 5G Mobile Communications System)
Category: Wireless Communication Technologies
Keyword: 
5G mobile communications networkdistributed antenna networkcooperative signal transmissionspace-time block codingmulti-user communicationsignal peak suppression
 Summary | Full Text:PDF(2.5MB)

Single-Carrier Multi-User MIMO Downlink with Time-Domain Tomlinson-Harashima Precoding
Shohei YOSHIOKA Shinya KUMAGAI Fumiyuki ADACHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2016/02/01
Vol. E99-B  No. 2  pp. 471-480
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
MU-MIMOTomlinson-Harashima precodingsingle-carrier downlinktime-domainvector perturbation
 Summary | Full Text:PDF(1.9MB)

Joint Tx/Rx MMSE Filtering for Single-Carrier MIMO Eigenmode Transmission Using Iterative Interference Cancellation
Shinya KUMAGAI Fumiyuki ADACHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2016/01/01
Vol. E99-B  No. 1  pp. 192-201
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
single-carrierMIMOeigenmodespatial/frequency filteringiterative interference cancellation
 Summary | Full Text:PDF(2.7MB)

Analog Single-Carrier Transmission with Frequency-Domain Equalization
Thanh Hai VO Shinya KUMAGAI Tatsunori OBARA Fumiyuki ADACHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2014/09/01
Vol. E97-B  No. 9  pp. 1958-1966
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
analog signal transmissionfrequency-domain equalizationsingle-carrier transmission
 Summary | Full Text:PDF(3MB)

Joint Tx/Rx MMSE Filtering for Single-Carrier MIMO Transmission
Shinya KUMAGAI Tatsunori OBARA Tetsuya YAMAMOTO Fumiyuki ADACHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2014/09/01
Vol. E97-B  No. 9  pp. 1967-1976
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
single-carrier transmissionMIMOMMSE filteringrank adaptationadaptive modulation
 Summary | Full Text:PDF(2.5MB)