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IEICE Trans

Masataka IIZUKA

Experimental Verification of Null-Space Expansion for Multiuser Massive MIMO via Channel State Information Measurement
Tatsuhiko IWAKUNI Kazuki MARUTA Atsushi OHTA Yushi SHIRATO Masataka IIZUKA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2018/03/01
Vol. E101-B  No. 3  pp. 877-884
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
massive MIMO, multiuser MIMO, null-space expansion, channel time variation, inter-user interference, 
 Summary | Full Text:PDF
Experimental Investigation of Space Division Multiplexing on Massive Antenna Systems for Wireless Entrance
Kazuki MARUTA Atsushi OHTA Satoshi KUROSAKI Takuto ARAI Masataka IIZUKA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2017/08/01
Vol. E100-B  No. 8  pp. 1436-1448
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
massive MIMO, multiuser MIMO, channel measurement, line-of-sight propagation, inter-user interference cancellation, spatial correlation, 
 Summary | Full Text:PDF
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:   IEICE TRANSACTIONS on Communications
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 interference, channel time variation, multiuser MIMO, massive MIMO, null-space expansion, 
 Summary | Full Text:PDF
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:   IEICE TRANSACTIONS on Communications
Publication Date: 2017/05/01
Vol. E100-B  No. 5  pp. 779-787
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
Massive MIMO, Multiuser MIMO, inter-user interference cancellation, scheduling, spatial channel correlation, sectorization, 
 Summary | Full Text:PDF
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:   IEICE TRANSACTIONS on Communications
Publication Date: 2017/04/01
Vol. E100-B  No. 4  pp. 594-601
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
massive MIMO, multi-user MIMO, antenna arrangement, line of sight, spatial correlation, 
 Summary | Full Text:PDF
Spectral Efficiency Improvement of Fractional Frequency Reuse by Inter-Cell Interference Cancellation on Cooperative Base Station
Kazuki MARUTA Atsushi OHTA Masataka IIZUKA Takatoshi SUGIYAMA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2012/06/01
Vol. E95-B  No. 6  pp. 2164-2168
Type of Manuscript:  LETTER
Category: Wireless Communication Technologies
Keyword: 
inter-cell interference cancellation, base station cooperation, fractional frequency reuse, 
 Summary | Full Text:PDF
Proposal of Wireless Traffic Control Schemes for Wireless LANs
Takefumi HIRAGURI Takeo ICHIKAWA Masataka IIZUKA Shuji KUBOTA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2008/05/01
Vol. E91-B  No. 5  pp. 1340-1348
Type of Manuscript:  Special Section PAPER (Special Section on Communication Quality)
Category: QoS Control Mechanism and System
Keyword: 
wireless LAN, IEEE802.11, traffic control, load barancing, QoS, 
 Summary | Full Text:PDF
An Effective Data Transfer Method for IEEE 802.11 Wireless LANs
Kazuyoshi SAITOH Yasuhiko INOUE Tomoaki KUMAGAI Masataka IIZUKA Satoru AIKAWA Masahiro MORIKURA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/03/01
Vol. E88-B  No. 3  pp. 1266-1270
Type of Manuscript:  LETTER
Category: Wireless Communication Technologies
Keyword: 
CSMA/CA, multirate control, priority control, slot time, 
 Summary | Full Text:PDF
Novel Multiple Access Protocol for Voice over IP in Wireless LAN
Takefumi HIRAGURI Takeo ICHIKAWA Masataka IIZUKA Masahiro MORIKURA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2002/10/01
Vol. E85-B  No. 10  pp. 2145-2152
Type of Manuscript:  Special Section PAPER (Special Issue on Mobile Multimedia Communications)
Category: 
Keyword: 
wireless LAN, CSMA/CA, VoIP, H.323, 
 Summary | Full Text:PDF
Reliable Multicast Protocol with a Representative Acknowledgment Scheme for Wireless Systems
Yasuhiko INOUE Masataka IIZUKA Hitoshi TAKANASHI Masahiro MORIKURA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2001/04/01
Vol. E84-B  No. 4  pp. 853-862
Type of Manuscript:  Special Section PAPER (Special Issue on Mobile Multimedia Communications)
Category: 
Keyword: 
multicast, reliability, retransmission, station group, 
 Summary | Full Text:PDF
A Logical Airlink Control Procedure for Packet Radio Systems
Yasuhiko INOUE Masataka IIZUKA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1997/08/25
Vol. E80-B  No. 8  pp. 1192-1197
Type of Manuscript:  Special Section PAPER (Special Issue on Mobile Computing)
Category: 
Keyword: 
packet radio, airlink protocol, flow control, retransmission control, 
 Summary | Full Text:PDF
A Novel Packet Data Transmission Strategy for Personal Handy-Phone System
Masataka IIZUKA Hidetoshi KAYAMA Hiroshi YOSHIDA Takeshi HATTORI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1997/05/25
Vol. E80-B  No. 5  pp. 763-769
Type of Manuscript:  PAPER
Category: Mobile Communication
Keyword: 
packet radio, channel structure, TDMA, throughput, PHS, 
 Summary | Full Text:PDF