Intelligent Vertical Handoffs between Heterogeneous Communication Networks

被引：1
|
作者：
VICTOR O.K.
机构：
[1] Multimedia Networking Lab. Department of Electrical and Electronic Engineering University of Hong Kong
[2] P.R. China
来源：
The Journal of China Universities of Posts and Telecommunications | 2005年 / 02期
关键词：
heterogeneous networks; vertical handoff; fuzzy logic system;
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：
This paper proposes an intelligent vertical handoff algorithm to maintain an ongoing call between a cellular mobile network and a Wireless Local Area Network (WLAN), based on the Received Signal Strength (RSS) threshold and an adaptive RSS hysteresis generated by fuzzy logic. In addition, the proposed algorithm accounts for the WLAN traffic loading and the direction of movement and speed of the Mobile Station (MS). Simulation results indicate that the proposed algorithm offers better system performance in terms of number of handoffs and probability of call dropping.
引用
收藏
页码：20 / 25
页数：6
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