应用科学学报 ›› 2021, Vol. 39 ›› Issue (2): 338-346.doi: 10.3969/j.issn.0255-8297.2021.02.016

• 计算机科学与应用 • 上一篇    

联合干扰控制与PSO的D2D网络资源分配

刘煜恒, 彭艺, 付晓霞, 安浩杰   

  1. 昆明理工大学 信息工程与自动化学院, 云南 昆明 650500
  • 收稿日期:2019-12-24 发布日期:2021-04-01
  • 通信作者: 彭艺,博士,副教授,硕导,研究方向为无线通信。E-mail:topengyi@sina.com E-mail:topengyi@sina.com
  • 基金资助:
    国家自然科学基金(No.61761025)资助

D2D Network Resource Allocation Based on Joint Interference Control and PSO

LIU Yuheng, PENG Yi, FU Xiaoxia, AN Haojie   

  1. Faculty of Information Engineering and Automation, Kunming University of Science and Technology, Kunming 650500, Yunnan, China
  • Received:2019-12-24 Published:2021-04-01

摘要: 针对D2D(device-to-device)通信用户在复用传统蜂窝通信信道资源的过程中会产生干扰问题,提出了一种基于粒子群算法(particle swarm optimization,PSO)的D2D通信功率匹配联合干扰控制资源分配算法,在控制干扰的同时实现整个系统吞吐量最大化。首先,通过不同用户功率的阈值划分不同安全通信范围,只有处于安全通信范围的用户才能进行后续的功率分配,从而有效降低系统干扰;其次,采用一种基于粒子群算法的功率匹配方法,将D2D用户发送端作为粒子群,通过迭代寻找最优功率,使整个系统吞吐量最大化。仿真结果表明:本文所提出的算法可以明显提高系统的整体吞吐量并降低干扰至最低,从而使整个系统的通信质量达到最优。

关键词: D2D, 资源分配, 粒子群算法, 吞吐量, 干扰

Abstract: Address to interference problems faced by D2D (device-to-device) communication users in the process of multiplexing traditional cellular communication channel resources, a resource allocation algorithm based on particle swarm optimization (PSO) algorithm for D2D communication power matching joint interference control is proposed in this paper, which maximizes the throughput of the whole system while controlling interference. Firstly, security communication are divided into different ranges according to threshold values of user-powers, and only the users in the security communication range have opportunity to join in subsequent power distribution, thus effectively reducing system interference. Secondly, a power matching method based on PSO is adopted to take D2D senders as particle swarm. It maximizes the throughput of the whole system by searching for the optimal power through iteration. Simulation results show that the proposed algorithm can significantly improve the overall throughput of the system and minimize the interference, so as to achieve the optimal communication quality of the whole system.

Key words: D2D (device-to-device), resource allocation, particle swarm optimization (PSO), throughput, interference

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