On the effectiveness of IEEE 802.11e QoS support in wireless LAN: a performance analysis

Authors:
José Villalón;Pedro Cuenca;Luis Orozco-Barbosa
Affiliations:
Instituto de Investigación en Informática de Albacete, Universidad de Castilla-La Mancha, Albacete, Spain;Instituto de Investigación en Informática de Albacete, Universidad de Castilla-La Mancha, Albacete, Spain;Instituto de Investigación en Informática de Albacete, Universidad de Castilla-La Mancha, Albacete, Spain
Venue:
HPCC'05 Proceedings of the First international conference on High Performance Computing and Communications
Year:
2005

Citing 3
Cited 3

Quality of service schemes for IEEE 802.11 wireless LANs: an evaluation

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Distributed mechanisms for quality of service in wireless LANs

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IEEE 802.11e: QoS provisioning at the MAC layer

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B-EDCA: A QoS mechanism for multimedia communications over heterogeneous 802.11/802.11e WLANs

Computer Communications
A novel IEEE 802.11e-based qos protocol for voice communications over WLANs

WWIC'06 Proceedings of the 4th international conference on Wired/Wireless Internet Communications
B-EDCA: a new IEEE 802.11e-based qos protocol for multimedia wireless communications

NETWORKING'06 Proceedings of the 5th international IFIP-TC6 conference on Networking Technologies, Services, and Protocols; Performance of Computer and Communication Networks; Mobile and Wireless Communications Systems

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Abstract

The IEEE 802.11e draft is a proposal defining the mechanisms for wireless LANs aiming to provide QoS support to time-sensitive applications, such as, voice and video communications. The 802.11e group is currently working hardly, but the ratification of the standard has a long way to go. In this paper we carry out a performance analysis on the effectiveness of the IEEE 802.11e (EDCA) upcoming standard. We show that the defaults parameters setting recommended in the EDCA draft standard by 802.11e group do not fulfill the requirements of time-sensitive services, such as, voice and video. We show that the performance of EDCA can be improved by properly tuning its parameters.