Koji TASHIRO


Cylindrical Massive MIMO System with Low-Complexity Angle-Based User Selection for High-Altitude Platform Stations
Koji TASHIRO Kenji HOSHINO Atsushi NAGATE 
Publication:   
Publication Date: 2022/04/01
Vol. E105-B  No. 4  pp. 449-460
Type of Manuscript:  Special Section PAPER (Special Section on Wired-and-Wireless Network System Technologies in Beyond 5G Era)
Category: Adaptive Array Antennas/MIMO
Keyword: 
high-altitude platform station (HAPS)massive MIMOcylindrical array antennauser selectionservice link6G
 Summary | Full Text:PDF(2.8MB)

Precoder and Postcoder Design for Wireless Video Streaming with Overloaded Multiuser MIMO-OFDM Systems
Koji TASHIRO Masayuki KUROSAKI Hiroshi OCHI 
Publication:   
Publication Date: 2019/12/01
Vol. E102-A  No. 12  pp. 1825-1833
Type of Manuscript:  Special Section PAPER (Special Section on Smart Multimedia & Communication Systems)
Category: Digital Signal Processing
Keyword: 
overloaded MU-MIMOvideo streamingscalable video codingjoint source-channel coding
 Summary | Full Text:PDF(1.7MB)

Joint Transmission and Coding Scheme for High-Resolution Video Streams over Multiuser MIMO-OFDM Systems
Koji TASHIRO Leonardo LANANTE Masayuki KUROSAKI Hiroshi OCHI 
Publication:   
Publication Date: 2017/11/01
Vol. E100-A  No. 11  pp. 2304-2313
Type of Manuscript:  Special Section PAPER (Special Section on Smart Multimedia & Communication Systems)
Category: Communication Systems
Keyword: 
multiuser MIMOE-SDMscalable video codingjoint source-channel codingunequal power allocationunequal error protection
 Summary | Full Text:PDF(2.8MB)