Toshiaki KOIKE


Experimental Evaluation of Spatial Interleaving in Trellis-Coded MIMO Transmission
Toshiaki KOIKE Hidekazu MURATA Susumu YOSHIDA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2006/03/01
Vol. E89-B  No. 3  pp. 985-989
Type of Manuscript:  LETTER
Category: Wireless Communication Technologies
Keyword: 
TCMMLSEMIMOlaboratory experiment
 Summary | Full Text:PDF(402.5KB)

Prototype Implementation of Real-Time ML Detectors for Spatial Multiplexing Transmission
Toshiaki KOIKE Yukinaga SEKI Hidekazu MURATA Susumu YOSHIDA Kiyomichi ARAKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2006/03/01
Vol. E89-B  No. 3  pp. 845-852
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
multiple-input multiple-output (MIMO)spatial multiplexingmaximum-likelihood detection (MLD)field programmable gate array (FPGA)real-time MIMO detector
 Summary | Full Text:PDF(770.2KB)

Capacity Improvement of Multihop Inter-Vehicle Communication Networks by STBC Cooperative Relaying
Toshiaki KOIKE Masakazu TANAKA Susumu YOSHIDA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/09/01
Vol. E88-B  No. 9  pp. 3546-3553
Type of Manuscript:  Special Section PAPER (Special Section on Advances in Ad Hoc Mobile Communications and Networking)
Category: 
Keyword: 
ITSmultihopinter-vehicle communicationsSTBCcooperative relayingcapacity
 Summary | Full Text:PDF(377.3KB)

Genetic Design Method for Near-Optimal Training Sequences in Wideband Spatial Multiplexing Systems
Toshiaki KOIKE Hidekazu MURATA Susumu YOSHIDA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/08/01
Vol. E88-B  No. 8  pp. 3488-3492
Type of Manuscript:  LETTER
Category: Wireless Communication Technologies
Keyword: 
channel estimationmultiple-antenna systemgenetic algorithms (GA)
 Summary | Full Text:PDF(298.1KB)

Evaluation of HARQ Scheme with Antenna Permutation and TCM Reassignment for Space-Time Transmission in Slow Nakagami-Rice Fading MIMO Channel
Toshiaki KOIKE Hidekazu MURATA Susumu YOSHIDA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2004/06/01
Vol. E87-B  No. 6  pp. 1487-1494
Type of Manuscript:  PAPER
Category: Wireless Communication Technology
Keyword: 
hybrid ARQmultiple antenna techniquespatial multiplexingtrellis-coded modulationspace-time transmissionMIMO channelconstellation diversity
 Summary | Full Text:PDF(551.7KB)