Co-channel interference reduction in Rayleigh fading channels

被引：1

作者：

Grant, Alex ^{[1
]}

机构：

[1] Univ S Australia, Inst Telecommun Res, Adelaide, SA 5001, Australia

来源：

DIGITAL SIGNAL PROCESSING | 2006年 / 16卷 / 05期

基金：

澳大利亚研究理事会;

关键词：

multiuser detection; fading channels; iterative decodings; convergence analysis;

D O I：

10.1016/j.dsp.2004.10.005

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：

Interference can be a significant problem in loosely organized networks such as ad-hoc radio networks. One technique for dealing with interference is to attempt joint detection of all signals arriving at a node. Iterative algorithms based on the turbo-principle yield significant performance improvements when applied to this problem. This paper concentrates on performance analysis of iterative interference cancellation for forward-error correction coded signals in the presence of Rayleigh fading. The variance transfer analysis of Alexander et al. [European Trans. Telecommun. 9 (5) (1998) 419-426] is generalized for unequal user powers and codes. A surprising result is that the received power variation due to fading can assist convergence. (C) 2004 Elsevier Inc. All rights reserved.

引用

页码：619 / 627

页数：9

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