Hiroaki NAKABAYASHI


MU-MIMO Channel Model with User Parameters and Correlation between Channel Matrix Elements in Small Area of Multipath Environment
Shigeru KOZONO Yuya TASHIRO Yuuki KANEMIYO Hiroaki NAKABAYASHI 
Publication:   
Publication Date: 2020/12/01
Vol. E103-B  No. 12  pp. 1421-1431
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
MU-MIMO channel modelcorrelation between usersmovement factoruser parameter5th mobile generation
 Summary | Full Text:PDF(1.3MB)

Massive MIMO Antenna Arrangement Considering Spatial Efficiency and Correlation between Antennas in Mobile Communications
Kiyoaki ITOI Masanao SASAKI Hiroaki NAKABAYASHI 
Publication:   
Publication Date: 2020/05/01
Vol. E103-B  No. 5  pp. 570-581
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
massive MIMOmathematical optimizationchannel responsecorrelation coefficientray-tracing
 Summary | Full Text:PDF(2.4MB)

Validation of Equivalent Received Bandwidth to Characterize Received Signal Level Distribution through Experiment and Simulation
Hiroaki NAKABAYASHI Jiang YAN Hironari MASUI Masanori ISHII Kozo SAKAWA Hiroyuki SHIMIZU Takehiko KOBAYASHI Shigeru KOZONO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2001/09/01
Vol. E84-B  No. 9  pp. 2550-2559
Type of Manuscript:  Special Section PAPER (Special Issue on Innovation in Antennas and Propagation for Expanding Radio Systems)
Category: Propagation
Keyword: 
mobile propagationreceived signal level distributiondelay profileequivalent received bandwidthpower ratio
 Summary | Full Text:PDF(1.5MB)