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ThinkMind // ICWMC 2011, The Seventh International Conference on Wireless and Mobile Communications // View article icwmc_2011_3_30_20188


Vertical Fast Handoff in Integrated WLAN and UMTS Networks

Authors:
Vahid Solouk
Borhanuddin Mohd Ali
Daniel Wong

Keywords: vertical handoff; early binding update; packet delivery; latency; signaling cost

Abstract:
Mobility management and on top of that, vertical handoffs remains as one of the most challenging obstacles in 4G evolution. In this paper, we present Vertical Fast Handoff protocol as a solution to the mobility issues in integrated WLAN-UMTS networks which utilizes Early Binding Update technique to achieve reasonable performance. It contains several key factors including new network modules and procedures. In order to evaluate the performance, an analytical model is presented that includes metrics describing handoff and packet delivery delays, and signaling overhead. Based on the assessments, it is shown that the proposed method exhibits tolerable performance in terms of delays as well as signaling overhead.

Pages: 59 to 64

Copyright: Copyright (c) IARIA, 2011

Publication date: June 19, 2011

Published in: conference

ISSN: 2308-4219

ISBN: 978-1-61208-140-3

Location: Luxembourg City, Luxembourg

Dates: from June 19, 2011 to June 24, 2011

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