NDLI: Voice capacity of IEEE 802.11b, 802.11a and 802.11g wireless LANs

Content Provider	IEEE Xplore Digital Library
Author	Medepalli, K. Gopalakrishnan, P. Famolari, D. Kodama, T.
Copyright Year	2004
Description	Author affiliation: Telcordia Technol., Piscataway, NJ, USA (Medepalli, K.; Gopalakrishnan, P.; Famolari, D.; Kodama, T.)
Abstract	IEEE 802.11 based wireless local area networks (WLANs) are becoming popular in home, enterprise and public access areas primarily due to their low cost, simplicity of installation and high data rates. While WLANs continue to be predominantly data centric, there is growing interest in using WLANs for voice, especially in enterprise markets. This paper presents new analytical and simulation results for the conversational speech capacity of WLANs and compares the different WLAN technologies in that regard. Specifically, we consider IEEE 802.11b, 802.11a and 802.11g systems in the infrastructure mode and find that voice capacity is a strong function of the channel bandwidth, codec packetization interval, data traffic and the packet size used by data. For the IEEE 802.11g system, we find that capacity depends on the CTS-to-self and RTS-CTS legacy protection mechanisms, with the RTS-CTS mechanism achieving lower capacity. We show that the analytical results are in close agreement with those from simulations and conclude the paper by highlighting some key factors that dictate the capacity of WLANs.
Starting Page	1549
Ending Page	1553
File Size	667959
Page Count	5
File Format	PDF
ISBN	0780387945
DOI	10.1109/GLOCOM.2004.1378242
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-11-29
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Wireless LAN Local area networks Analytical models Costs Speech analysis Bandwidth Codecs Traffic control Mobile communication Peer to peer computing
Content Type	Text
Resource Type	Article

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Voice capacity of IEEE 802.11b and 802.11a wireless LANs in the presence of channel errors and different user data rates

Speech Quality of IEEE 802.11b and 802.11g Wireless LANs

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Evaluation Analysis of the Performance of IEEE 802.11b and IEEE 802.11g Standards

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Voice capacity of IEEE 802.11b, 802.11a and 802.11g wireless LANs

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