VoIP Session Capacity Expansion with Packet Transmission Suppression Control in Wireless LAN

Yasufumi MORIOKA  Takeshi HIGASHINO  Katsutoshi TSUKAMOTO  Shozo KOMAKI  

Publication
IEICE TRANSACTIONS on Communications   Vol.E92-B   No.4   pp.1144-1152
Publication Date: 2009/04/01
Online ISSN: 1745-1345
DOI: 10.1587/transcom.E92.B.1144
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Special Section on Internet Technology and its Architecture for Ambient Information Systems)
Category: 
Keyword: 
VoIP,  wirelss LAN,  capacity expansion,  packet suppression,  

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Summary: 
This paper proposes a VoIP (Voice over Internet Protocol) session capacity expansion method that uses periodic packet transmission suppression control for wireless LANs. The proposed method expands the VoIP session capacity of an AP without critically degrading the QoS (Quality of Service) of all stations. Simulation results show the proposed method with 0.5% packet suppression control on each station expands a VoIP session capacity by up to 5% compared to a legacy method while satisfying required QoS for all stations.