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为了在提升用户吞吐量的同时降低中继节点切换概率,分析了动态场景下用户与中继节点的移动状态,提出了多目标联合优化的移动中继选择策略.算法通过分析动态场景中影响系统吞吐量与中继切换概率的因素进行中继节点选择,充分考虑了多跳蜂窝网络的移动特性和用户呼叫到达状态.仿真结果表明,所提算法在有效提升用户吞吐量的同时降低了中继切换概率.
In order to reduce the switching probability of relay nodes while improving user throughput, this paper analyzes the moving states of users and relay nodes in dynamic scenarios and proposes a multi-objective joint-optimized mobile relay selection strategy.Through analyzing the impact of the impact of the system in the dynamic scenario Throughput and relay handover probability, and fully considers the mobile characteristics of multi-hop cellular network and the state of user call arrival.The simulation results show that the proposed algorithm can effectively reduce the relay while improving the user throughput Switch probability.