Resource Allocation of Two-relay Networks with Partially Differential Modulation
2016
Relay networks enhance the system performance by creating cooperative diversity gain and extend communication range by relaying the received signal to other devices. In this paper, the performance of two-relay networks is analyzed by adopting decode-andforward (DF) relaying protocol. The signaling scheme uses partially differential modulation which applies coherent modulation in source-relays links and differential modulation in relay-destination links. We first analyze the effect of relay location in the system performance. Based on this, we find the optimum relay selection which minimizes the symbol error rate (SER). Then, we explores the effect of energy allocation for the given relay location.
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