Katsuhiro KAMAKURA


Bandwidth Division Type Parallel Combinatory DS-CDMA System
Masashi AKAIWA Katsuhiro KAMAKURA Takahiko SABA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2001/10/01
Vol. E84-A  No. 10  pp. 2427-2435
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: Communication Systems
Keyword: 
multi-carrier transmissionspread spectrum communicationwireless modulation/demodulation schememultiple access scheme
 Summary | Full Text:PDF(678.5KB)

Direct-Detection Optical Synchronous CDMA Systems with Interference Canceller Using Group Information Codes
Hiroshi SAWAGASHIRA Katsuhiro KAMAKURA Tomoaki OHTSUKI Iwao SASASE 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2000/11/25
Vol. E83-A  No. 11  pp. 2138-2142
Type of Manuscript:  Special Section LETTER (Special Section on Spread Spectrum Techniques and Applications)
Category: 
Keyword: 
CDMAmultiple access interferenceinterference cancellergroup information codes
 Summary | Full Text:PDF(453.9KB)

Optical Spread Time CDMA Communication Systems with PPM Signaling
Katsuhiro KAMAKURA Tomoaki OHTSUKI Iwao SASASE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1999/07/25
Vol. E82-B  No. 7  pp. 1038-1047
Type of Manuscript:  PAPER
Category: Optical Communication
Keyword: 
optical ST-CDMAPPMMAIphase maskspectral resolutionrepetition rate
 Summary | Full Text:PDF(1.1MB)

Performance Analysis of Optical Frequency-Domain Encoding CDMA Enhancement of Frequency Division Multiplexing
Katsuhiro KAMAKURA Yoshinobu GAMACHI Hideyuki UEHARA Tomoaki OHTSUKI Iwao SASASE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1998/09/25
Vol. E81-B  No. 9  pp. 1749-1757
Type of Manuscript:  PAPER
Category: Optical Communication
Keyword: 
FE-CDMAFDMspatial filterphase maskultrashort light pulsemulti-access interference (MAI)
 Summary | Full Text:PDF(841.8KB)