On Distributed Codes with Noisy Relays

被引：11

作者：

Thobaben, Ragnar ^{[1
]}

机构：

[1] Royal Inst Technol, Sch Elect Engn, SE-10044 Stockholm, Sweden

来源：

2008 42ND ASILOMAR CONFERENCE ON SIGNALS, SYSTEMS AND COMPUTERS, VOLS 1-4 | 2008年

关键词：

D O I：

10.1109/ACSSC.2008.5074564

中图分类号：

TP39 [计算机的应用];

学科分类号：

081203 ; 0835 ;

摘要：

In this paper, we address the design of distributed schemes for the 3-node relay channel with half-duplex constraint. We first discuss the general problem of optimally re-encoding noisy data at the relay and summarize recently proposed approximations. Based on an analysis of the extrinsic information transfer characteristics of the component codes we investigate the potential of "weak" Turbo or LDPC codes which are employed by the source node in order to increase the reliability of the relay when decoding is not possible. The results show that we can indeed gain from the proposed code design.

引用

页码：1010 / 1014

页数：5

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