Kazuyuki SHIMEZAWA


Cyclic Shifted-and-Extended Codes Based on a Quasi-Orthogonal Sequence for a CDM Transmission Scheme
Kazuyuki SHIMEZAWA Hiroshi HARADA Hiroshi SHIRAI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2006/11/01
Vol. E89-B  No. 11  pp. 2998-3007
Type of Manuscript:  PAPER
Category: Transmission Systems and Transmission Equipment for Communications
Keyword: 
zero cross-correlationQuasi-Orthogonal sequenceRake combiningcyclic shifted-and-extended codescode division multiplexing
 Summary | Full Text:PDF(619.8KB)

A New CDM Transmission Scheme with Cyclic Shifted-and- Extended Codes and a Cancellation Technique for Accumulated Cross-Correlation Values
Kazuyuki SHIMEZAWA Hiroshi HARADA Hiroshi SHIRAI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2004/08/01
Vol. E87-B  No. 8  pp. 2212-2221
Type of Manuscript:  PAPER
Category: Wireless Communication Technology
Keyword: 
cross-correlation cancellationcyclic shifted-and-extended codescode division multiplexingmobile radio communication
 Summary | Full Text:PDF(1.3MB)

A Proposal of Overfill CDM Transmission Scheme for Future Road-Vehicle Communication Systems
Kazuyuki SHIMEZAWA Hiroshi HARADA Hiroshi SHIRAI Masayuki FUJISE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2003/01/01
Vol. E86-B  No. 1  pp. 68-78
Type of Manuscript:  Special Section PAPER (Special Issue on Multiple Access and Signal Transmission Techniques for Future Mobile Communications)
Category: 
Keyword: 
code division multiplexingDSRC systemITSoverfill CDM transmission scheme
 Summary | Full Text:PDF(732.8KB)