Research on Train to Train Communication Resource Allocation Algorithm in Tunnel Environment

Hongzhi Lv, Xiaojuan Liu, Wenzhen Liu, Chenzhai Song
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Abstract

To tackle the interference caused by sharing train to ground communication resources in train to train communication, we analyze the characteristics of the wireless environment of the tunnel, and adopt a method of improved weight bipartite graph matching and optimized power control to maximize the total throughput. The simulation results show that compared with macro cell base station under the ground environment, train to train communication quality under tunnel environment is better due to uniform signal strength coverage. This algorithm can still allocate channel and power more reasonably, which not only maximizes the total throughput but also greatly reduces the transmission power of train to train communication and train to ground communication.
隧道环境下列车间通信资源分配算法研究
为解决车对车通信中车对地通信资源共享带来的干扰,分析了隧道无线环境的特点,采用改进的权二部图匹配和优化的功率控制方法,使总吞吐量最大化。仿真结果表明,与地面环境下的宏蜂窝基站相比,隧道环境下由于信号强度覆盖均匀,列车间通信质量更好。该算法仍然可以更合理地分配信道和功率,不仅使总吞吐量最大化,而且大大降低了车对车通信和车对地通信的传输功率。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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