北京邮电大学学报

  • EI核心期刊

北京邮电大学学报 ›› 2014, Vol. 37 ›› Issue (4): 108-112.doi: 10.13190/j.jbupt.2014.04.023

• 研究报告 • 上一篇    

具有QoS保障的多小区M2M负荷均衡算法

李晓辉, 张妙, 李丹, 李红艳   

  1. 西安电子科技大学 综合业务网理论及关键技术国家重点实验室, 西安 710071
  • 收稿日期:2013-11-07 出版日期:2014-08-28 发布日期:2014-08-09
  • 作者简介:李晓辉(1972-),女,教授,硕士生导师,E-mail:xhli@mail.xidian.edu.cn.
  • 基金资助:

    国家自然科学基金项目(61201134,61201135);国家科技重大专项项目(2011ZX03005-002);高等学校学科创新引智计划项目(B08038)

A Multi-Cell Load Balancing Algorithm for Machine-to-Machine Communications under QoS Guarantee

LI Xiao-hui, ZHANG Miao, LI Dan, LI Hong-yan   

  1. State Key Laboratory of Integrated Services Networks, Xidian University, Xi'an 710071, China
  • Received:2013-11-07 Online:2014-08-28 Published:2014-08-09

摘要:

针对机器间通信终端分布不均引起的系统吞吐量减小和用户接入时延增大等问题,提出一种多小区机器间通信负荷均衡算法,综合考虑了各小区机器间通信接入负荷因子以及机器间通信设备的信号质量,建立了优化模型并将其近似为凸优化问题,实现了各小区间的负荷均衡. 仿真结果表明,当小区间负荷不均时,所提多小区机器间通信负荷均衡算法能够大大改善系统吞吐量和用户接入时延性能.

关键词: 机器间通信, 多小区, 负荷均衡, 负荷因子, 信号质量

Abstract:

In multi-cell scenario, the uneven distribution of machine-to-machine (M2M) terminals seemly leads to problems of system access throughput decrease and user access delay increase. To address these issues, a M2M load balancing algorithm was proposed. The algorithm builds up a model associated with cell signal quality and cell load factor. The problem approximates a convex optimization one, thus realizing load balancing. Simulation shows that, through employment of the proposed algorithm, the performance of access throughput and access delay is improved greatly.

Key words: machine-to-machine, multi-cell, load balance, load factor, signal quality

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