Horizontal and Vertical Handoff between 802.16 and 802.11 Wireless Access Networks

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Authors : Mr. Nilesh Sambhe, Ms. Payal Thakare, Mr. Vijay S. Masne
Publication Date: 18-12-2013


Author(s):  Mr. Nilesh Sambhe, Ms. Payal Thakare, Mr. Vijay S. Masne

Published in:   International Journal of Engineering Research & Technology

License:  This work is licensed under a Creative Commons Attribution 4.0 International License.

Website: www.ijert.org

Volume/Issue:   Vol.2 - Issue 12 (December - 2013)

e-ISSN:   2278-0181


Abstract? When the mobile node moves between different access network, one of the most important issues in wireless and mobile communication technologies is the mobility management. In this paper we discuss about horizontal and vertical handoffs between802.16 and 802.11 wireless access networks. Different scenarios of handoffs are discussed in the mesh backbone architecture. A handoff decision algorithm based on frame error rate ,RSS, and network traffic is given to decide between vertical and horizontal handoff. A Horizontal Handoff Management Unit (HMU) for horizontal handoff is presented. Separate algorithms for handoffs from WiMAX to Wi-Fi and Wi- Fi to WiMAX are also presented in detail. It implements Fast Binding Algorithm (FBA) which performs handoff based on priority resolution. The algorithm involves scanning, router discovery, setting up network link and updating routing information.


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