ISSN: 1673-825X    Imprint: Chongqing University of Posts and Telecommunications Journal
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D2D网络中信道签名和资源调度的联合设计方案
Joint mechanism of channel signature and resource allocation for device-to-device communications
DOI:10.3979/j.issn.1673-825X.2019.04.007
Received:December 11, 2017  Revised:May 20, 2019
中文关键词:设备到设备(D2D)  时间反演  功率控制  干扰管理
英文关键词:device-to-device(D2D)  time reversal  power control  interference management
基金项目:国家自然科学基金项目(61771084, 61271260);重庆市科委自然科学基金项目(cstc2015jcyjA40050)
Author NameAffiliationE-mail
LI Fangwei Chongqing Key Lab of Mobile Communications Technology, Chongqing University of Posts and Telecommunications, Chongqing 400065, P. R. China lifw@cqupt.edu.cn 
ZHANG Linlin Chongqing Key Lab of Mobile Communications Technology, Chongqing University of Posts and Telecommunications, Chongqing 400065, P. R. China 2605990382@qq.com 
ZHU Jiang Chongqing Key Lab of Mobile Communications Technology, Chongqing University of Posts and Telecommunications, Chongqing 400065, P. R. China zhujiang@cqupt.edu.cn 
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中文摘要:
      针对设备到设备(device-to-device,D2D)通信网络中蜂窝用户和D2D通信对之间的相互干扰问题,提出一种联合信道签名和资源调度的设计方案。该方案构建了基于时间反演的D2D信道签名模型,实现干扰消除;在博弈模型基础上,对D2D用户进行功率分配,以满足蜂窝用户的服务质量(quality of service,QoS)需求;在容量增益限制区域内按照优先级大小为D2D用户分配蜂窝链路资源,并在满足资源共享参数阈值的情况下,进一步充分利用蜂窝用户的频谱资源,为空闲蜂窝用户选择对其干扰最小的D2D用户,提升D2D用户的吞吐量。仿真结果表明,该方案有效地抑制了D2D异构网络中蜂窝用户和D2D用户的相互干扰,提升了平均速率,同时兼顾用户资源共享的公平性及通信的安全性。
英文摘要:
      Aiming at the mutual interference between device-to-device (D2D) users and cellular users in D2D communication networks, this paper proposed a resource allocation mechanism of joint channel signature and resource scheduling. Firstly, the mechanism constructs a D2D channel signature model based on time reversal (TR) technology to suppress interference; Then based on the game model, the power allocation algorithm is used to allocate power for D2D users to meet the quality of service (QoS) requirements of cellular users. Finally, within the capacity-oriented restricted region, D2D users are assigned cellular resources according to the priority and when the resource sharing parameter threshold is met, to fully utilize the cellular users’ resource, D2D users with the least interference to the idle cellular users are selected to share channel resources of the idle cellular users to boost the D2D pairs’ capacity. Simulation results show that the proposed mechanism can effectively suppress mutual interference between the cellular users and D2D users in the heterogeneous network, improve the average rate, and meanwhile take into account the fairness of users resource sharing and the security of communication.
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