DelayEDD-HCCA and RT-HCCA: two new IEEE 802.11 e schemes based HCCA supporting real-time applications

Authors:
Wafa Berrayana;Ryad Ben El-Kezadri;Farouk Kamoun;Guy Pujolle
Affiliations:
University of Manouba, Tunis - Tunisia and University of Pierre et Marie Curie, Paris - France;University of Manouba, Tunis - Tunisia and University of Pierre et Marie Curie, Paris - France;University of Manouba, Tunis - Tunisia;University of Pierre et Marie Curie, Paris - France
Venue:
MobiMedia '06 Proceedings of the 2nd international conference on Mobile multimedia communications
Year:
2006

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Abstract

This article presents DelayEDD-HCCA and RT-HCCA, two extensions based on the centralized access method of the IEEE 802.11e, HCCA supporting real-time applications. They show very good performances in terms of capacity and delays. Properties of the proposed extensions are investigated both theoretically and using J-SIM simulations. The obtained results prove that the proposed extensions succeed in guaranteeing delay bounds required by audio applications.