Intelligent handoff decision in radio heterogeneous network

被引：0
|
作者：
郭强 [1 ,2 ]
徐向华 [3 ]
王英龙 [2 ]
机构：
[1] Shandong Economic University
[2] Shandong Computer Science Center
[3] Control Science and Engineering Institute, Shandong University
来源：
Journal of Harbin Institute of Technology(New series) | 2008年 / 06期
基金：
中国国家自然科学基金;
关键词：
radio heterogeneous network; vertical handoff; fuzzy inference system; Elman neural network;
D O I：
暂无
中图分类号：
TN929.5 [移动通信];
学科分类号：
080402 ; 080904 ; 0810 ; 081001 ;
摘要：
In order to improve the accuracy of vertical handoff decision for radio heterogeneous network, this paper proposes an intelligent adaptive multi-criteria vertical handoff (AMVHO) decision algorithm. This algorithm uses a fuzzy inference system (FIS) and a modified Elman neural network (MENN). The FIS adopts the crucial criteria of vertical handoff as input variables and makes handoff decision based on the defined rule base. The MENN helps to predict the number of users of the after-handoff network, which is a pivotal variable of the FIS. Simulation results show that, compared with the conventional method, the AMVHO decision algorithm achieves better performance in guaranteeing the quality of service (QoS) of the after-handoff communication.
引用
收藏
页码：741 / 746
页数：6
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