Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/16960
Title: Polling-based protocols for packet voice transport over IEEE 802.11 wireless local area networks
Authors: Lam, RYW
Leung, VCM
Chan, HCB 
Issue Date: 2006
Source: IEEE wireless communications, 2006, v. 13, no. 1, p. 22-29 How to cite?
Journal: IEEE Wireless Communications 
Abstract: In this article we present a survey of different polling-based protocols for supporting voice over IEEE 802.11 wireless local area networks (WLANs). In particular, three key issues are discussed: managing a polling list, determining the polling sequence, and reducing polling overhead. These discussions motivate the proposal of an isochronous coordination function (ICF) for transporting voice packets over IEEE 802.11 WLANs, which combines the advantages of some of the previous protocols. Emulating a dynamic TDMA-like service, ICF can greatly reduce polling overhead and provide fair polling for both uplink and downlink voice traffic by means of a cyclic polling queue. Some simulation results are presented to illustrate the advantages of ICF.
URI: http://hdl.handle.net/10397/16960
ISSN: 1536-1284
DOI: 10.1109/MWC.2006.1593521
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