Abstract
该文研究不对称双向中继信道下的被动式再生中继选择问题。首先，通过理论分析给出了传统3节点网络的可达速率域。然后，在瑞利衰落信道环境下，理论推导了系统中断概率的闭合表达式。接着，利用系统业务知识和信道状态信息，提出一种改进型的最大最小中继选择准则。进一步，研究中继端叠加信号的功率分配，提出了两种功率分配因子选择算法，并对所提算法进行了理论分析。仿真结果表明：通过被动式再生中继选择和功率分配可以显著提高系统的中断性能，在信道不对称情况下性能优势明显。
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