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Authors: Fedoua Didi 1 ; Houda Labiod 2 and Guy Pujolle 3

Affiliations: 1 University Abou Bekr Belkaid of Tlemcen Algeria, Algeria ; 2 ENST of Paris France, France ; 3 LIP6 of University Pierre and Marie Currie France, France

Keyword(s): IEEE 802.11, Medium Access Control (MAC), Quality of Service (QoS), Distributed Coordination Function (DCF), Point Coordination Function (PCF), Hybrid Coordination Function (HCF), IEEE 802.11e, Network Simulator (NS).

Related Ontology Subjects/Areas/Topics: Internet Technology ; Web Information Systems and Technologies ; Wireless Applications

Abstract: Quality of service (QoS) is a key problem in wireless environments where bandwidth is scarce and channel conditions are time varying and sometimes highly loss. Although IEEE 802.11 wireless LAN (WLAN) is the most widely used WLAN standard today, and the upcoming IEEE 802.11e QoS enhancement standard exists and introduces the QoS for supporting multimedia applications. This paper compares the propositions of standard IEEE 802.11e with the standard IEEE 802.11 without QoS, a simulation of these standards is performed by using the NS simulator. A discussion is presented in detail using simulation-based evaluations and we let us confirm the QoS of IEEE 802.11e compared to IEEE 802.11, but we have detected some weaknesses of 802.11e. It starves the low priority traffic in case of high load, and leads to higher collision rates, and did not make a good estimate of weight of queues, so there is an unbalance enters the flows with high priorities. We finish with a conclusion.

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Paper citation in several formats:
Didi, F.; Labiod, H. and Pujolle, G. (2006). A COMPARATIVE STUDY OF 802.11 AND 802.11E WIRELESS LAN STANDARDS. In Proceedings of WEBIST 2006 - Second International Conference on Web Information Systems and Technologies - Volume 1: WEBIST; ISBN 978-972-8865-46-7; ISSN 2184-3252, SciTePress, pages 133-139. DOI: 10.5220/0001238601330139

@conference{webist06,
author={Fedoua Didi. and Houda Labiod. and Guy Pujolle.},
title={A COMPARATIVE STUDY OF 802.11 AND 802.11E WIRELESS LAN STANDARDS},
booktitle={Proceedings of WEBIST 2006 - Second International Conference on Web Information Systems and Technologies - Volume 1: WEBIST},
year={2006},
pages={133-139},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0001238601330139},
isbn={978-972-8865-46-7},
issn={2184-3252},
}

TY - CONF

JO - Proceedings of WEBIST 2006 - Second International Conference on Web Information Systems and Technologies - Volume 1: WEBIST
TI - A COMPARATIVE STUDY OF 802.11 AND 802.11E WIRELESS LAN STANDARDS
SN - 978-972-8865-46-7
IS - 2184-3252
AU - Didi, F.
AU - Labiod, H.
AU - Pujolle, G.
PY - 2006
SP - 133
EP - 139
DO - 10.5220/0001238601330139
PB - SciTePress