Takuto ARAI


Massive Antenna Systems for Wireless Entrance (MAS-WE): Practical Application of Massive MIMO with Simplified Space Division Multiplexing Schemes
Kazuki MARUTA Atsushi OHTA Satoshi KUROSAKI Takuto ARAI Masataka IIZUKA 
Publication:   
Publication Date: 2017/05/01
Vol. E100-B  No. 5  pp. 779-787
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
Massive MIMOMultiuser MIMOinter-user interference cancellationschedulingspatial channel correlationsectorization
 Summary | Full Text:PDF(2.6MB)

Null-Space Expansion for Multiuser Massive MIMO Inter-User Interference Suppression in Time Varying Channels
Tatsuhiko IWAKUNI Kazuki MARUTA Atsushi OHTA Yushi SHIRATO Takuto ARAI Masataka IIZUKA 
Publication:   
Publication Date: 2017/05/01
Vol. E100-B  No. 5  pp. 865-873
Type of Manuscript:  PAPER
Category: Terrestrial Wireless Communication/Broadcasting Technologies
Keyword: 
inter-user interferencechannel time variationmultiuser MIMOmassive MIMOnull-space expansion
 Summary | Full Text:PDF(2.2MB)

Antenna Array Arrangement for Massive MIMO to Reduce Channel Spatial Correlation in LOS Environment
Takuto ARAI Atsushi OHTA Yushi SHIRATO Satoshi KUROSAKI Kazuki MARUTA Tatsuhiko IWAKUNI Masataka IIZUKA 
Publication:   
Publication Date: 2017/04/01
Vol. E100-B  No. 4  pp. 594-601
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
massive MIMOmulti-user MIMOantenna arrangementline of sightspatial correlation
 Summary | Full Text:PDF(2.8MB)