A seamless layer-2 handover scheme for mobile WiMAX based wireless mesh networks

Authors:
Min Kim;Il-kyeun Ra;Ji-sang Yoo;Dong-wook Kim;Hwa-sung Kim
Affiliations:
Dept. of Electronics and Communications Engineering, Kwangwoon University, Seoul, Korea;Dept. of CSE, University of Colorado Denver;Dept. of Electronics Engineering, Kwangwoon University, Seoul, Korea;Dept. of Electronic Material Engineering, Kwangwoon University, Seoul, Korea;Dept. of Electronics and Communications Engineering, Kwangwoon University, Seoul, Korea
Venue:
ICACT'09 Proceedings of the 11th international conference on Advanced Communication Technology - Volume 2
Year:
2009

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Abstract

Wireless mesh networks have been studied as the next generation technology to solve problems of conventional wireless networks. Particularly, mobile WiMAX based wireless mesh networks are noticed due to many advantages. In this paper, we propose a layer-2 handover scheme for mobile WiMAX based wireless mesh networks. A layer-2 handover scheme based on mobile WiMAX causes many handover failures over mobile WiMAX based wireless mesh networks because it does not consider the characteristics of wireless mesh networks. The proposed scheme does not bring about packet losses achieving lower handover latency than a conventional handover scheme. Simulation results show that the proposed scheme achieves loss-free and low handover latency during the layer-2 handover.