An analysis of the channel utilization for call admission control in voice over WLAN

Authors:
Huanxu Pan;Satoru Yamano
Affiliations:
NEC Corporation, Nakahara-ku, Kawasaki, Kanagawa, Japan;NEC Corporation, Nakahara-ku, Kawasaki, Kanagawa, Japan
Venue:
Proceedings of the 2006 international conference on Wireless communications and mobile computing
Year:
2006

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Abstract

In this paper, we present an analytical method for effectively evaluating the channel utilization of voice calls in voice over WLAN systems. The method is under realistic assumptions general enough to deal with various cases of mixed traffic sources and transmission conditions. The accuracy and effectiveness of our method are validated through experiments. The method provided a basis for a prototype call-admission-control system for VoWLAN, in an attempt to enable an operational VoWLAN system with quality-of-service support.