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 (680.7KB)

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: 2000/11/20
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 (455.8KB)

Optical Spread Time CDMA Communication Systems with PPM Signaling
Katsuhiro KAMAKURA  Tomoaki OHTSUKI  Iwao SASASE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1999/07/20
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: 1998/09/20
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 (845.1KB)