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基于信道预测的最大信噪比中继选择算法研究 被引量:1

Research on maximum SNR relay selection algorithm based on Channel prediction
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摘要 作为5G的关键候选技术之一的D2D通信技术,可以在一定程度上解决由于移动设备数量过多导致的数据流量过大的问题。针对D2D通信在通信双方之间由于距离过大,导致信道质量变差和通信中断的问题,提出基于信道预测的最大信噪比中继选择算法。首先,对中继进行解码,形成中继集合;其次,基于MMSE算法,预测中继集合中信道系数,从而计算中继链路的信噪比;最后,选择信噪比最大的作为最优中继进行转发。仿真结果表明,本文所提算法的中断概率较随机中继选择算法相比,大约降低了2到3个数量级。
作者 朱豪 吴昊 颜悦 周路遥 王皓 Zhu Hao;Wu Hao;Yan Yue;Zhou Luyao;Wang Hao
出处 《数据通信》 2023年第3期41-44,49,共5页
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