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Analysis and Experiments of Maximum Throughput in Wireless Multi-Hop Networks for VoIP Application
Masahiko INABA Yoshihiro TSUCHIYA Hiroo SEKIYA Shiro SAKATA Kengo YAGYU
IEICE TRANSACTIONS on Communications
Publication Date: 2009/11/01
Online ISSN: 1745-1345
Print ISSN: 0916-8516
Type of Manuscript: PAPER
wireless multi-hop networks, IEEE 802.11, throughput analysis, voice over IP,
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This paper quantitatively analyzes the maximum UDP (User Datagram Protocol) throughput for two-way flows in wireless string multi-hop networks. The validity of the analysis is shown by the comparison with the simulation and the experiment results. The authors also clarify the difference fundamental characteristics between a one-way flow and a two-way flow in detail based on the simulation results. The result shows that collisions at both ends' nodes are decisive in determining the throughput for two-way flows. The analyses are applicable to the estimation of VoIP (Voice over Internet Protocol) capacity for string multi-hop networks represented by WLAN (Wireless Local Area Network) mesh networks.