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基于模糊逻辑的多终端协同的垂直切换决策算法 被引量：6

Vertical handoff decision algorithm for cooperation of multi-terminal based on fuzzy logic terminal
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摘要 针对异构网下多终端协同的垂直切换决策问题,提出一种基于模糊逻辑和层次分析法的垂直切换决策算法,它分为2部分:切换时机的判断和虚拟终端的构建。首先采用模糊逻辑判断切换的时机,然后采用层次分析算法与简单加权求和结合的方法选择虚拟终端的最优构成方式。仿真结果表明,算法能够降低切换次数和不必要切换率,并且能够充分体现应用需求和用户偏好。 In order to solve the problem of vertical handoff decision for cooperation of multi-terminal,a fuzzy logic and AHP （analytic hierarchy process） based vertical handoff decision algorithm was proposed,which included the decision of the moment of triggering handoff and the construction of virtual terminal.Firstly,fuzzy logic was applied to decide the moment of triggering handoff.Secondly,a method combining AHP and SAW （simple additive weight） was used to choose the best composition manner of virtual terminal.Simulation results show that the proposed algorithm reduces the number of handoffs and the ratio of unnecessary handoffs.Additionally,it reflects application requirements and user preferences clearly.
作者 任塨晔 赵季红 曲桦
机构地区 西安交通大学电子与信息工程学院 西安邮电大学通信与信息工程学院
出处 《通信学报》 EI CSCD 北大核心 2014年第9期67-78,共12页 Journal on Communications
基金 国家高技术研究发展计划("863"计划)基金资助项目(2014AA01A701 2014AA01A707) 国家自然科学基金资助项目(61372092) 新一代宽带无线移动通信网国家科技重大专项基金资助项目(2013ZX03002010-003)~~
关键词 异构网 多终端协同 虚拟终端 垂直切换决策 模糊逻辑 heterogeneous networks cooperation of multi-terminal virtual terminal vertical handoff decision fuzzy logic
分类号 TP393 [自动化与计算机技术—计算机应用技术]
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参考文献14

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同被引文献34

  • 1尤肖虎,赵新胜.分布式无线电和蜂窝移动通信网络结构[J].电子学报,2004,32(F12):16-21. 被引量：28
  • 2RAN G, ZHANG H, GONG S. Improving on LEACH protocol of wireless sensor networks using fuzzy logic [J]. Journal of information & computational science, 2010, 7(3): 767-775.
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  • 7WEN C Y, SETHARES W A. Adaptive decentralized re-clustering for wireless sensor networks [C]// IEEE International Conference on Systems, Man and Cybernetics. [S.l.]: IEEE, 2006, 4: 2709-2716.
  • 8GUPTA I, RIORDAN D, SAMPALLI S. Cluster-head election using fuzzy logic for wireless sensor networks [C]// Proceedings of the 3rd Annual Conference on Communication Networks and Services Research. [S.l.]: IEEE, 2005: 255-260.
  • 9MUNAGA H, PRASAD M H M, MURTHY J V R, et al. A fault tolerant trajectory clustering (FTTC) for selecting cluster heads in wireless sensor networks [J]. International journal of computational intelligence research, 2010, 6(3) : 81-90.
  • 10KUILA P, JANA P K. Energy efficient load-balanced clustering algorithm for wireless sensor networks [J]. Proeedia technology, 2012, 6: 771-777.

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通信学报
2014年 第9期

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