On the effect of handover mechanisms on the performance of video communications in WATM networks

Authors:
Rosa Risueno;Pedro Cuenca;Francisco Delicado;Luis Orozco-/Barbosa
Affiliations:
Computing System Department, Edificio Infante Don Juan Manuel, Campus Universitario s&#/#/47/n. 02071 Albacete, Spain.;Computing System Department, Edificio Infante Don Juan Manuel, Campus Universitario s&#/#/47/n. 02071 Albacete, Spain.;Computing System Department, Edificio Infante Don Juan Manuel, Campus Universitario s&#/#/47/n. 02071 Albacete, Spain.;Computing System Department, Edificio Infante Don Juan Manuel, Campus Universitario s&#/#/47/n. 02071 Albacete, Spain
Venue:
International Journal of Wireless and Mobile Computing
Year:
2009

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Abstract

A handover mechanism defines the steps involved in the transfer of all information and resource allocation enabling a mobile terminal to remain connected to the wireless network infrastructure. A large number of handover mechanisms have been reported in the literature for Wireless ATM (WATM) networks. In this paper, we carry out a comprehensive QoS performance study of the handover mechanisms as proposed in the literature and a performance evaluation of various buffer management schemes used to compensate for service disruption caused during the handover phase.