Keyword : QPSK modulation

QPSK Impulse Signal Transmission for Ultra Wide Band Communication Systems in Multipath Channel Environments
Chaiyaporn KHEMAPATAPAN Watit BENJAPOLAKUL Kiyomichi ARAKI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2005/11/01
Vol. E88-A  No. 11 ; pp. 3100-3109
Type of Manuscript:  Special Section PAPER (Special Section on Wide Band Systems)
Category: 
Keyword: 
ultra wideband, direct-sequence, time-hopping, QPSK modulation, PPM modulation, multipath channel, 
 Summary | Full Text:PDF
Multiple Access Systems with QPSK Modulation
Ha H. NGUYEN Huy G. VU David E. DODDS 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2004/07/01
Vol. E87-A  No. 7 ; pp. 1833-1835
Type of Manuscript:  LETTER
Category: Spread Spectrum Technologies and Applications
Keyword: 
CDMA, interference cancellation, QPSK modulation, 
 Summary | Full Text:PDF