两路中继协作通信的中断概率及分集复用折中性能分析

doi:10.3724/SP.J.1087.2012.02436

计算机应用 ›› 2012, Vol. 32 ›› Issue (09): 2436-2440.DOI: 10.3724/SP.J.1087.2012.02436

两路中继协作通信的中断概率及分集复用折中性能分析

赵永驰^1*,刘静霞²,李恩玉³

1.绵阳师范学院网络信息中心,四川绵阳 621000;
2.四川师范大学物理与电子工程学院,成都610068;
3.重庆大学通信与测控中心,重庆 400030

收稿日期:2012-03-26 修回日期:2012-05-21 发布日期:2012-09-01 出版日期:2012-09-01
通讯作者: 赵永驰
作者简介:赵永驰(1974-),男,四川盐亭人,讲师,硕士,主要研究方向:信息控制、网络通信安全; 刘静霞(1972-),女,重庆人,副教授,硕士研究生,主要研究方向:网络通信; 李恩玉(1981-),男,山东青岛人,博士研究生,主要研究方向:OFDM、MIMO、无线协作通信。
基金资助:
中央高校基本科研业务费专项资金资助项目(CDJXS11160001);重庆市科技攻关计划项目(CSTC2009AB2167);绵阳师范学院科研基金资助项目(MA2011A11)

Performance analysis of outage probability and diversity-multiplexing tradeoff for two-path relaying cooperative communications

ZHAO Yong-chi^1*,LIU Jing-xia²,LI En-yu³

1.Network Information Center,Mianyang Normal University,Mianyang Sichuan 621000,China;
2.College of Physics and Electronic Engineering,Sichuan Normal University,Chengdu Sichuan 610068,China;
3.Center of Communication and Tracking Telemetering and Command,Chongqing University,Chongqing 400030,China

Received:2012-03-26 Revised:2012-05-21 Online:2012-09-01 Published:2012-09-01
Contact: Yong-chi

摘要/Abstract

摘要： 为了提高协作通信系统的频谱效率和中断性能,给出了解码转发协议下的两路中继协作通信系统的模型。在该模型下,提出了两种数据传输模式,并分析了该两种数据传输模式的中断概率性能,推导了中断概率闭式结果及分集增益和复用增益之间的关系。仿真结果显示,与传统的两中继解码转发协议相比,两种传输模式的中断概率性能都有较大的提高。

关键词: 协作通信, 解码转发, 中断概率, 分集复用折中, 瑞利衰落

Abstract: In order to improve the spectral efficiency and outage performance of the cooperative communication system, a Two-Path Relaying (TPR) cooperative communications model based on the Decode-and-Forward (DF) protocol was proposed. Meanwhile, two data transmission modes were presented for the proposed system. The closed-form expressions for outage probability and the relations between diversity gain and multiplexing gain were derived. The simulation results show that, compared with the conventional two-relay DF protocol, the outage probability performance of the two proposed transmission models is greatly improved.

Key words: cooperative communication, Decode-and-Forward (DF), outage probability, Diversity-Multiplexing Tradeoff (DMT), Rayleigh fading

中图分类号:

TN92

赵永驰刘静霞李恩玉. 两路中继协作通信的中断概率及分集复用折中性能分析[J]. 计算机应用, 2012, 32(09): 2436-2440.

ZHAO Yong-chi,LIU Jing-xia,LI En-yu. Performance analysis of outage probability and diversity-multiplexing tradeoff for two-path relaying cooperative communications[J]. Journal of Computer Applications, 2012, 32(09): 2436-2440.

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两路中继协作通信的中断概率及分集复用折中性能分析

Performance analysis of outage probability and diversity-multiplexing tradeoff for two-path relaying cooperative communications

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