Multiple-access interference reduction for QS-CDMA systems with a novel class of polyphase sequences

被引：25
|
作者：
机构：
[1] [1,Seong III, Park
[2] Park, So Ryoung
[3] Song, Lickho
[4] Suehiro, Naoki
来源：
Park, Seong Ill | 2000年 / IEEE, Piscataway, NJ, United States卷 / 46期
关键词：
Cochannel interference - Code division multiple access - Communication channels (information theory) - Correlation theory - Fading (radio) - Interference suppression - Radio links - White noise;
D O I：
10.1109/18.850681
中图分类号：
学科分类号：
摘要：
In this paper, a new class of polyphase sequences for CDMA systems and its generation method are suggested, and the correlation properties of the sequence are investigated. The performance of the sequence in quasi-synchronous CDMA (QS-CDMA) systems is investigated under frequency-selective, time-nonselective, slow Nakagami fading channel with additive white Gaussian noise (AWGN). It is shown that the performance of the QS-CDMA systems using the suggested sequence is independent of the number of users and is much better than that using the PN sequence.
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