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中文摘要：
在协作分集传输系统中，提出一种反馈式选择解码转发方法（FSDF），综合考虑源-中继端与源-目的端的信道传输特性，且由目的端给出反馈信号决定是否采用协作模式；同时得到高信噪比（SNR）下的中断概率表达式．理论分析与仿真结果证明该方法可得到满分集，在可靠性及有效性上均优于解码转发（DF）与选择解码转发（SDF）．
英文摘要：
An improved selection decode-and-forward method with feedback （FSDF）is proposed in cooperative diversity system, in which both the channel gain of source-to-relay and that of source-to-destination are considered, it is based on the destination＇ s feedback whether the source terminal adopts the cooperative scheme or not. The formulation of outage probability is derived at high signal-to-noise ratio （SNR）. Theoretical analysis and simulation results show that the proposed method can achieve full spatial diversity and will be better than decode-and-forward （DF） and selection decode-and-forward （SDF） both in reliability and efficiency.
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