Handover trigger time selection algorithm in heterogeneous wireless networks environment

Ji-lei YAN; Jian-dong LI; Lin-jing ZHAO

doi:1000-436X(2011)11-0126-07

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Handover trigger time selection algorithm in heterogeneous wireless networks environment

Papers | 更新时间：2024-06-05

- Handover trigger time selection algorithm in heterogeneous wireless networks environment
- Journal on Communications Vol. 32, Issue 11, Pages: 126-132(2011)
- 作者机构：
- 作者简介：
- 基金信息：
- DOI：1000-436X(2011)11-0126-07
  CLC： TN929.5
- Online First：2011-11，
  
  Published：25 November 2011
- 稿件说明：
移动端阅览
Ji-lei YAN, Jian-dong LI, Lin-jing ZHAO. Handover trigger time selection algorithm in heterogeneous wireless networks environment[J]. Journal on Communications, 2011, 32(11): 126-132.
DOI：

Ji-lei YAN, Jian-dong LI, Lin-jing ZHAO. Handover trigger time selection algorithm in heterogeneous wireless networks environment[J]. Journal on Communications, 2011, 32(11): 126-132. DOI： 1000-436X(2011)11-0126-07.

摘要

对移动用户在异构网络环境下的切换触发时间选择问题进行了研究。首先对移动终端触发切换的时间选择问题进行了理论分析，找到了最佳切换触发时间所应满足的条件。然后在切换耗时估计和接收信号强度预测的基础上，提出了一种预测最佳切换触发时间的算法。仿真结果表明，本算法能够有效降低用户的分组丢失概率和切换失败概率。

Abstract

The handover trigger time selection problem for mobile user in the heterogeneous networks environment was discussed.Firstly

theoretical analysis of the handover trigger time selection was presented and the constraint which the optimal handover trigger time should satisfy was obtained.Then

an algorithm was proposed to predict the optimal handover trigger time based on the estimation of handover delay and the prediction of received signal strength.Simulation results show that this algorithm can effectively reduce the packet loss ratio and the probability of handover failure.

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references

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