Effective cooperative scheme based on relay selection

YU Fei1; YANG Lv-xi1

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Effective cooperative scheme based on relay selection

更新时间：2024-10-14

- Effective cooperative scheme based on relay selection
- Vol. 31, Issue 8, Pages: 45-53(2010)
- 作者机构：
  
  1. 东南大学信息科学与工程学院
  2. 东南大学水声信号处理教育部重点实验室
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN925
- Published：2010
- 稿件说明：
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YU Fei1, YANG Lv-xi1. Effective cooperative scheme based on relay selection[J]. 2010, 31(8): 45-53.
DOI：

YU Fei1, YANG Lv-xi1. Effective cooperative scheme based on relay selection[J]. 2010, 31(8): 45-53. DOI：

摘要

基于多址信道的容量

给出了一种中继选择方案。本方案提出根据中继与信宿间等效并行信道的传输能力完成基于多路数据流的中继选择

并由每个中继独立地根据其本身与信宿间的信道信息完成相应的波束矢量设计。该方案避免了多中继间的信息交互和联合处理

从而降低了系统复杂度。实验仿真证明

这种基于协作的中继选择方案与多中继并行传输方案相比可以获得较好的系统误符号率性能。

Abstract

Based on the capacity of multi-access channel

a relay selection algorithm was proposed.It was proposed that: relays were selected according to the eigenvalue decomposition of the equivalent relay-destination channel

and the beamforming vectors were designed in a distributed manner.It could be seen that joint processing and information trans-mission between multiple relays were avoided

which could reduce system complexity.Simulation results show that the system proposed can achieve better bit error rate（BER） comparing to the one with multi-relay parallel transmission.

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