Title :
An analysis on the effect of the number of phases in multipath fading DS-CDMA signature sequences
Author :
Park, So Ryoung ; Song, Iickho ; Yoon, Seokho ; Lee, Jooshik ; Lee, Seong Ro
Author_Institution :
Dept. of Electr. Eng., Korea Adv. Inst. of Sci. & Technol., Seoul, South Korea
fDate :
6/21/1905 12:00:00 AM
Abstract :
Direct sequence code division multiple access (DS-CDMA) communication systems using random polyphase sequences with coherent reception in multipath fading channels are considered. By examining the asymptotic characteristics of the multiple access interference and multipath interference, we show that the DS-CDMA system performance with random mp-phase sequences of mp⩾3 is better than that with random binary sequences in multipath fading environment
Keywords :
code division multiple access; fading channels; multipath channels; multiuser channels; radio receivers; radiofrequency interference; random processes; sequences; spread spectrum communication; BPSK transmitters; DS-CDMA signature sequences; asymptotic characteristics; coherent reception; direct sequence code division multiple access; multipath fading channels; multipath interference; multiple access interference; random binary sequences; random phase sequences; random polyphase sequences; receiver; system performance; AWGN; Binary sequences; Direct-sequence code-division multiple access; Fading; Frequency; Interference; Multiaccess communication; Performance analysis; Random sequences; Random variables;
Conference_Titel :
Military Communications Conference Proceedings, 1999. MILCOM 1999. IEEE
Conference_Location :
Atlantic City, NJ
Print_ISBN :
0-7803-5538-5
DOI :
10.1109/MILCOM.1999.822669
