Ryochi KATAOKA


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)

Analog Decoding Method for Simplified Short-Range MIMO Transmission
Ryochi KATAOKA Kentaro NISHIMORI Takefumi HIRAGURI Naoki HONMA Tomohiro SEKI Ken HIRAGA Hideo MAKINO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2014/03/01
Vol. E97-B  No. 3  pp. 620-630
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
short-range MIMO transmissionzero forcingunitary matrix90-degree phase shifteroptimal element spacing
 Summary | Full Text:PDF(2.4MB)