Performance of improved decode-and-forward cooperation in low SNR

ZHU Yi-jun; LI Ying; TIAN Zhong-jun; CHEN Jin-yang

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Performance of improved decode-and-forward cooperation in low SNR

更新时间：2024-10-14

- Performance of improved decode-and-forward cooperation in low SNR
- Vol. 31, Issue 2, Pages: 81-85(2010)
- 作者机构：
  
  信息工程大学信息工程学院
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN929.5
- Published：2010
- 稿件说明：
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ZHU Yi-jun, LI Ying, TIAN Zhong-jun, et al. Performance of improved decode-and-forward cooperation in low SNR[J]. 2010, 31(2): 81-85.
DOI：

ZHU Yi-jun, LI Ying, TIAN Zhong-jun, et al. Performance of improved decode-and-forward cooperation in low SNR[J]. 2010, 31(2): 81-85. DOI：

摘要

研究了接收节点将其译码状态反馈给其他节点这一增强性手段对解码转发协作的性能改善情况。推导了低信噪比条件下

增量中继、选择中继的中断概率和吞吐量表达式

给出了中断概率的三阶近似式。结合增量中继、选择中继的各自优点

提出了一种联合中继模式。理论分析和数值仿真表明

提出的联合中继模式在中断概率和吞吐量2个方面性能优越。

Abstract

An enhancement was proposed that the receiving node feeds back its decoding state to the other nodes.Further

the enhancement can improve the performance of decode-and-forward cooperative diversity.The outage probability and throughput of incremental relay and selection relay were derived in low SNR

and the three-order approximation of out-age probability was presented.Combined with the strong points of incremental relay and selection relay

joint relay was brought forward.The theoretical analysis and numerical simulation reveal that the proposed joint relay has such pre-dominant performances as outage probability and throughput.

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