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对称信道下的混合前传协作通信方案

DOI: 10.13190/jbupt.201103.75.360, PP. 75-78

Keywords: 协作通信,混合前传,中断概率

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Abstract:

为了降低协作通信的中断概率,提出了一种对称信道下的混合前传协作通信方案.该方案中,各中继节点根据源到中继的瞬时链路状态决定采用解码转发(DF)或放大转发(AF)协议进行协作通信,从而不同的中继节点可能采用不同的协议进行协作通信.推导了混合前传协作通信方案中断概率的算术表达式,并将混合前传协作通信方案与传统的DF协作方案和AF协作方案进行仿真比较,结果表明,混合前传协作方案能有效减小通信系统的中断概率.

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