Keyword : direct-sequence

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
Characteristics of Interference between Direct-Sequence Systems and Frequency-Hopping Systems of 2.4-GHz-Band Mid-Speed Wireless LANs
Kazuhiro TAKAYA Yuji MAEDA Nobuo KUWABARA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2001/02/01
Vol. E84-B  No. 2 ; pp. 204-212
Type of Manuscript:  PAPER
Category: Wireless Communication Technology
Keyword: 
2.4-GHz-band mid-speed wireless LAN, interference, direct-sequence, frequency-hopping, 
 Summary | Full Text:PDF