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The VoIP Model Research Based on Finite Birth-Death Processes in Multi-channel Wireless Mesh Networks

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5 Author(s)
Bin Shen ; Comput. Sci. & Eng. of UESTC, UESTC, Chengdu, China ; Rui Wang ; Huiqiong Luo ; Shouhong Yang
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In multi-hop wireless networks, using single-channel with single-transceiver over MAC protocol will generate instability of TCP throughput and serious unfair henomenon. Fortunately the situation can be greatly improved by the use of multi-channel model. In this paper, we established a model under limited-state Markov chain, focusing on the channel utilization, average queue time and average queue length in a given client count and the number of channel available to analyze the VoIP Quality-of-Service in detail. With Monte-Carlo Method to validate, we conclude that multi-channel model can significantly improve the overall of network capacity.

Published in:

Information Science and Engineering (ISISE), 2009 Second International Symposium on

Date of Conference:

26-28 Dec. 2009

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