Evaluating voice traffic requirements on IEEE 802.11 ad hoc networks

被引：0

作者：

Pedro Braconnot Velloso

Marcelo G. Rubinstein

Otto Carlos M. B. Duarte

机构：

[1] Université Pierre et Marie Curie,LIP6/CNRS

[2] Universidade do Estado do Rio de Janeiro,PEL/DETEL

[3] Universidade Federal do Rio de Janeiro,FEN

来源：

annals of telecommunications - annales des télécommunications | 2008年 / 63卷

关键词：

Wireless ad hoc networks; IEEE 802.11; Voice transmission; Mobility;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

This paper analyzes voice transmission capacity on IEEE 802.11 ad hoc networks by performing simulations related to delay, jitter, loss rate, and consecutive losses. We evaluate the influence of mobility on the number of sources transmitting voice. Another issue addressed in this paper is the effect of node density on voice transmission. Our simulation model has allowed us to identify the main reasons for voice degradation in ad hoc networks. Results show that voice transmission capacity degrades with mobility and network load, being more sensitive to high mobility due to link failures. The network capacity can easily experience a decrease of up to 60% on the number of voice transmissions on a multi-hop environment. We also show that node density is also relevant when considering voice transmission on multi-hop networks.

引用

页码：321 / 329

页数：8

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