Performance of iterative multiuser receiver for turbo-coded DS-CDMA

被引：0
|
作者：
Vu, HG [1 ]
Rajatheva, RMAP [1 ]
Fernando, WAC [1 ]
机构：
[1] Univ Saskatchewan, Dept Elect Engn, Saskatoon, SK S7N 5A9, Canada
来源：
57TH IEEE VEHICULAR TECHNOLOGY CONFERENCE, VTC 2003-SPRING, VOLS 1-4, PROCEEDINGS | 2003年
关键词：
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this paper, a low complexity iterative multiuser receiver is analyzed for a turbo-coded CDMA system. The receiver includes a soft multiuser detector and the decoders for users. The simulation considers an uplink asynchronous transmission over a correlated frequency selective fading channel. The results obtained show that the performance of the receiver approaches the single user performance after only two iterations. Compared with the two-stages/decoder scheme, the performance of iterative multiuser receivers is improved significantly. This improvement illustrates the effect of combined decoding and interference cancellation instead of the separate approach. However, this gain is the trade-off for the complexity of a turbo decoder.
引用
收藏
页码：1610 / 1613
页数：4
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