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与多中继协作通信相比,单中继协作通信对于无线传感器网络更具实用价值.单中继协作通信网络拓扑结构的研究对提高协作通信系统的性能有着重大的意义.本文分析了几种简单的网络拓扑结构,利用误比特率性能,在等功率条件下分别确定了各拓扑结构的最佳中继的位置.并对这几种拓扑结构进行了对比分析,分析结果表明,直线型的网络拓扑结构的系统性能最好,等腰三角形网络拓扑结构的系统性能优于等边三角形网络拓扑结构的系统性能,为协作通信中的最佳中继定位提供一定的理论依据.
Compared with multi-relay collaborative communication, single relay collaborative communication is more practical value for wireless sensor networks.Research on topology structure of single relay cooperative communication network is of great significance to improve the performance of cooperative communication system.This paper analyzes several A simple network topology, using the bit error rate performance, determines the best relay position of each topology under equal power conditions, and compares and analyzes these topologies, and the analysis results show that the linear The system performance of the network topology is the best. The system performance of the isosceles triangle network topology is superior to the system performance of the equilateral triangle network topology, which provides a theoretical basis for the best relay positioning in the cooperative communication.