大规模MIMO-D2D蜂窝网络中的下行传输速率研究
Study on the Downlink Transmission Rate for Massive MIMO-D2D Cellular Networks
DOI: 10.12677/JA.2017.63007, PDF, HTML, XML, 下载: 1,752  浏览: 4,247  国家自然科学基金支持
作者: 李策, 岳殿武：大连海事大学信息科学技术学院, 辽宁 大连
关键词: 大规模MIMO；D2D通信；5G；蜂窝网络；功率控制；Massive MIMO； D2D Communication； 5G； Cellular Network； Power Control
摘要: 为了顺应第五代移动通信技术(5G)的发展，本文探讨了大规模MIMO与D2D通信混合蜂窝网络中的下行链路频谱效率问题。特别，针对三种用户分布场景，利用D2D用户和蜂窝用户覆盖率解析表达式分析了蜂窝用户传输速率变化情况。结果表明，为确保蜂窝通信，应严格控制D2D用户接入数目，同时增加天线数，以有效弥补干扰。此外，通过对D2D用户引入On-Off功率控制方法，并优化接入传输概率，本文实现了对D2D用户的频谱效率的提升。
Abstract: In order to adapt to the development of the fifth generation mobile communication technology (5G), this paper investigates the downlink transmission rate for D2D underlaying large-scale MIMO cellular networks. In particular, based on analytical expressions of coverage probabilities of both D2D users and downlink cellular users, the transmission rate of cellular users are analyzed for three user distributed scenarios. The results show that in order to ensure the cellular communication, the number of D2D users should be strictly controlled, and the number of antennas can be increased in order to compensate for the interference efficiently. The transmission rate with the D2D users can be improved by making use of On-Off power control method for D2D users and optimizing the access transmission probability. 
文章引用：李策, 岳殿武. 大规模MIMO-D2D蜂窝网络中的下行传输速率研究[J]. 天线学报, 2017, 6(3): 50-59. https://doi.org/10.12677/JA.2017.63007

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