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2种中继协同HARQ协议 被引量:6

Two HARQ Protocols for Relay Cooperative Systems
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摘要 提出了2种中继协同Rayleigh衰落信道下混合重传技术(HARQ)协议——中继控制HARQ协议和目的端控制HARQ协议,是否HARQ由中断概率决定.慢衰落下理论分析和仿真结果表明,中继控制HARQ协议中,中继平均接收信噪比越小,HARQ带来的增益越大;目的端控制HARQ协议中,源和中继的上行链路质量越差,目的端平均接收信噪比越小,HARQ带来的增益越大. Two hybrid automatic repeat request(HARQ) protocols for relay cooperative Rayleigh fading systems are proposed, they are relay-controlled and destination-controlled protocols, the control on each side is based on the outage probability. Numerical analysis and simulation under the slow fading channel show that the lower average received signal noise ratio(SNR) of the relay, and good performance gain will be got in relay-controlled HARQ protocol. In the destination-controlled HARQ protocol, when the uplink qualities of the source and relay are worse, the average received SNR of the destination will become lower, the systems performance can be improved efficiently.
出处 《北京邮电大学学报》 EI CAS CSCD 北大核心 2008年第2期123-127,共5页 Journal of Beijing University of Posts and Telecommunications
基金 国家"863计划"项目(2006AA01Z257)
关键词 中继协同 中继控制 目的端控制 混合重传技术协议 误码率 relaying cooperation relay-controlled destination-controlled hybrid automatic repeat request protocol bit error rate
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参考文献9

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同被引文献40

  • 1王森,刘伯华.基于WCDMA的无线通信传输技术研究[J].重庆电力高等专科学校学报,2006,11(4):4-8. 被引量:3
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