A Joint Vertical Handover Technique for Heterogeneous Wireless Networks

被引：3
|
作者：
Liu, Bo [1 ,2 ]
Wang, Jing [2 ]
Li, Jun [3 ]
机构：
[1] Potevio Inst Technol Co, Beijing, Peoples R China
[2] Tsinghua Univ, Dept Elect Engn, Beijing, Peoples R China
[3] China Mobile Grp Henan Co, Network Management Ctr, Zhengzhou, Peoples R China
来源：
ICCSSE 2009: PROCEEDINGS OF 2009 4TH INTERNATIONAL CONFERENCE ON COMPUTER SCIENCE & EDUCATION | 2009年
关键词：
handover decision; heterogeneous wireless networks; vertical handover; transition probability;
D O I：
10.1109/ICCSE.2009.5228453
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
Fast and seamless handover are weighty issues in 3G systems. Based on UMTS and WLAN Converging architecture [1], a joint vertical handover decision strategy (jVHOD) was proposed for heterogeneous wireless networks. Also, several significant metrics were evaluated through a vertical handover performance model, which was validated by computer simulation. The analytical results showed that jVHOD had better performance than the conventional in terms of the number of handoffs and available bandwidth, but a little longer packet delay. To design optimal vertical handover strategies the application requirement threshold should be properly adjusted by an appropriate trade-off of related handover performance metrics.
引用
收藏
页码：227 / +
页数：2
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