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D2D网络中信道选择与功率控制策略研究

钱志鸿 田春生 王鑫 王雪

王舒, 达新宇. 非理想信道状态下多波束卫星通信的鲁棒安全传输设计[J]. 电子与信息学报, 2017, 39(2): 342-350. doi: 10.11999/JEIT160429
引用本文: 钱志鸿, 田春生, 王鑫, 王雪. D2D网络中信道选择与功率控制策略研究[J]. 电子与信息学报, 2019, 41(10): 2287-2293. doi: 10.11999/JEIT190149
WANG Shu, DA Xinyu. Robust Secure Transmit Methods for Multibeam Satellite Communication with Imperfect Channel State Information[J]. Journal of Electronics & Information Technology, 2017, 39(2): 342-350. doi: 10.11999/JEIT160429
Citation: Zhihong QIAN, Chunsheng TIAN, Xin WANG, Xue WANG. Research on Channel Selection and Power Control Strategy for D2D Networks[J]. Journal of Electronics & Information Technology, 2019, 41(10): 2287-2293. doi: 10.11999/JEIT190149

D2D网络中信道选择与功率控制策略研究

doi: 10.11999/JEIT190149
基金项目: 国家自然科学基金(61771219),吉林大学基础科研项目(SXGJQY2017-9, 2017TD-19),吉林大学研究生创新基金(101832018C022)
详细信息
    作者简介:

    钱志鸿:男,1957年生,教授,研究方向为无线网络通信技术,包括蓝牙、RFID, M2M, D2D、无线传感器网络及物联网等

    田春生:男,1993年生,博士生,研究方向为D2D通信技术与物联网

    王鑫:女,1982年生,博士生,研究方向为D2D通信技术

    王雪:女,1984年生,副教授,研究方向为D2D通信技术与物联网

    通讯作者:

    王雪 jluwangxue@163.com

  • 中图分类号: TN929.5

Research on Channel Selection and Power Control Strategy for D2D Networks

Funds: The National Natural Science Foundation of China (61771219), The Fundamental Research of Jilin University (SXGJQY2017-9, 2017TD-19), The Graduate Innovation Fund of Jilin University (101832018C022)
  • 摘要: 针对D2D通信的资源分配问题,该文研究了D2D信道选择与功率控制策略。在保证蜂窝用户服务质量(QoS)的前提下,提出一种基于启发式的D2D信道选择算法,为系统内的D2D用户找到合适的信道复用资源。同时,利用拉格朗日对偶方法求解得到D2D用户最优传输功率。仿真结果表明当蜂窝用户与多对D2D用户共享信道资源时能够大幅度提升系统平均吞吐量。在相同条件下,该算法的性能要明显优于现有算法。
  • 图  1  系统模型

    图  2  系统平均吞吐量的累积分布函数

    图  3  DUEs最大传输功率对系统平均吞吐量的影响

    图  4  DUEs间通信距离对平均吞吐量的影响

    图  5  系统内DUEs数量对DUEs接入概率的影响

    表  1  基于启发式思想的DUEs信道选择算法

     (1)初始化:Di=,iC; Mi=D,iC; ξji=0,iC,jD;利用式(11)得到所有DUEs 最优的发射功率Pdoptj,i,并求解出与之相对 应的T(Pdoptj,i)值;
     (2) repeat
     (3) (i,j)=argmax(i,j):iC,jMiT(Pdoptj,i) // 求解得到吞吐量最大值所对应的CUEi与DUEj
     (4) if [Pcgci/(σ20+q{Dij}Pdoptq,igdq,i)]γth then // 判断DUEj复用CUEi信道资源时,CUEi的SINR是否满足系统限制条件, 当满足限制条件时:
     (5)  set ξji=1; // 将复用指示因子ξji的值设置为1;
     (6)   Mi=Mi{j},iC;Di=Di{j}; // 将DUEj从集合Mi中删除, 同时将DUEj加入到复用CUEi 信道资源的DUEs集合 Di中;
     (7) else // 当不满足限制条件时:
     (8)   Mi=Mi{j}; // 将DUEj从集合Mi中删除;
     (9) end if
     (10) until Mi=,iC // 当集合Mi为空集时停止运行;
     (11) return Di,iC; ξji,iC,jD. // 输出集合Di及复用指示因子ξji的值。
    下载: 导出CSV

    表  2  DUEs功率控制算法

     (1) 根据表1对集合Di,iC进行初始化;
     (2) for all iC do
     (3) for all jDi do
     (4)  根据式(21)—式(23)计算DUE j传输功率Pdj,i
     (5) end for
     (6) end for
     (7) return Pdj,i,iC,jD. // 输出DUEs最优传输功率。
    下载: 导出CSV

    表  3  仿真参数

    参数数值
    CUEs数量30, 40
    DUEs数量25~60
    DUEs间通信距离30~100 (m)
    CUEs通信路径损耗128.1+37.6lg(d(km))
    DUEs通信路径损耗148+40lg(d(km))
    噪声谱密度–114 dBm/Hz
    DUEs最小吞吐量限制1.5 Mbps
    CUEs传输功率24 dBm
    下载: 导出CSV
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    其他类型引用(2)

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出版历程
  • 收稿日期:  2019-03-14
  • 修回日期:  2019-05-23
  • 网络出版日期:  2019-05-28
  • 刊出日期:  2019-10-01

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