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Research on multi-relay collaborative network based on optimal coherent integration

机译：基于最优相干集成的多中继协作网络研究

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摘要

The communication system which uses multi-relay collaborative can achieve high SNR and diversity order level. In this paper, a pair of communication nodes which a number of relay nodes cooperating in parallel support are considered, and the optimal weighting parameters for coherent combining based on non-regenerative relaying are derived under aggregate relay power constraint. The analysis has shown that each relay only requires that the received signal can multiply with an individual amplitude factor and common amplitude normalization factor, then the result will be substantially enhanced comparing to direct communication, and it will improve with the increase of relay station density.
机译：使用多中继协作的通信系统可以实现较高的SNR和分集阶数。本文考虑了一对通信节点，其中多个中继节点并行支持，并在总中继功率约束下推导了基于非再生中继的相干合并最优加权参数。分析表明，每个中继仅要求接收到的信号可以乘以一个单独的幅度因子和共同的幅度归一化因子，那么与直接通信相比，结果将得到实质性增强，并且随着中继站密度的增加而改善。

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