西安电子科技大学学报

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一种结合威望的D2D通信中继选择算法

王汝言1,2;缪懿1,2;闫俊杰1,2   

  1. (1. 重庆邮电大学 通信与信息工程学院,重庆 400065;
    2. 重庆高校市级光通信与网络重点实验室,重庆 400065)
  • 收稿日期:2017-01-15 出版日期:2018-02-20 发布日期:2018-03-23
  • 作者简介:王汝言(1969-),男,教授,博士,E-mail:wangry@cqupt.edu.cn
  • 基金资助:

    国家自然科学基金资助项目(61371097,61271261);重庆市青年科学人才培养计划资助项目(CSTC2014KJRC-QNRC40001);重庆高校创新团队建设计划资助项目(CXTDX201601020)

Relay selection algorithm incorporated with prestige for D2D communication

WANG Ruyan1,2;MIAO Yi1,2;YAN Junjie1,2   

  1. (1. School of Telecommunication and Information Chongqing Univ. of Posts and Telecommunications, Chongqing 400065, China;
    2. Optical Communication and Network Key Lab. of Chongqing, Chongqing 400065, China)
  • Received:2017-01-15 Online:2018-02-20 Published:2018-03-23

摘要:

为了使终端直通通信能够公平有效地选择中继节点,提出了一种基于威望的中继选择算法.利用威望从社会域的角度描述了设备作为中继的意愿和能力; 同时在物理域分析了设备之间在不同传输模式下的数据传输情况; 采用博弈论的方法在候选中继设备中选出适合的中继,避免了社会关系弱、剩余能量低的设备被选作中继.结果表明,与随机选择算法和最大吞吐量算法相比,该算法提高了系统的吞吐量、终端直通链路的覆盖率以及中继选择的合理性.

关键词: 终端直通, 中继, 威望, 吞吐量

Abstract:

For the sake of enabling the device-to-device (D2D) communication to impartially and effectively select the relay node, a prestige-based relay selection algorithm is proposed. From a social domain perspective,the prestige is used to describe the will and ability of an equipment to be selected as a relay. Meanwhile the data transmission of the equipment in different transmission modes is analyzed. Finally, a suitable relay is selected amongst the candidate relay equipments by the method of game theory. This algorithm avoids a device with a weak social relation and a low residual energy being selected as a relay. The results manifest that the proposed algorithm improves the throughput of the system, the coverage probability of D2D link, and the rationality of the relay selection, compared with the random selection algorithm and the maximum throughput algorithm.

Key words: device-to-device, relays, prestige, throughput

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