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Adaptive transmission opportunity with admission control for IEEE 802.11e networks

Published: 10 October 2005 Publication History

Abstract

The increase of IEEE 802.11's bandwidth led to a deployment of many multimedia applications over wireless networks. Nevertheless, these applications impose stringent constraints in QoS. In this context, a lot of works have been proposed in order to enhance the QoS-capable IEEE 802.11e MAC protocol. However, they settle for maintaining only an inter-QoS differentiation between the traffic classes, and neglect the intra-Qos differentiation. In fact, the flows belonging to the same service class are assigned the same MAC parameters regardless of their data rate, which leads to throughput fairness rather than perceived QoS fairness. On the other hand, the proposed schemes exhibit performance degradation when the number of flows increases. In this paper, we propose a new MAC protocol based on the reservation of the wireless channel through the use of transmission Opportunity (TXOPlimit) parameter. Each traffic class monitors the MAC queue and computes at runtime the TXOPlimit's value. Thus based on the class' priority and flow's data rate, we can ensure both intra and inter QoS differentiation. Additionally, we specify a distributed admission control mechanism that regulates the network load and protects the admitted flows from the new ones. Simulation results show that compared to the Enhanced Distributed Channel Access (EDCA) scheme of 802.11e, our protocol excels, in terms of network utilization and ability to maintain intra-QoS data rate differentiation. Further when introducing the admission control mechanism, we ensure high protection to the admitted flows, and maintain the network in steady state.

References

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A. Ksentini, A. Gueroui, M. Naimi. Novel architecture for reliable H.26L video transmission over IEEE 802.11e, In Proceeding of IEEE PIMRC'04, (Barcelona, Spain, September 2004)
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IEEE 802.11e WG, Wireless LAN Medium Access Control (MAC) Enhancements for Quality of service (QoS), IEEE 802.11e Draft 8.0.
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Cited By

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  • (2014)Effect of transmission opportunity and frame aggregation on VoIP capacity over IEEE 802.11n WLANs2014 8th International Conference on Signal Processing and Communication Systems (ICSPCS)10.1109/ICSPCS.2014.7021093(1-7)Online publication date: Dec-2014
  • (2012)Dynamic Superframe Selection Scheme for High-Speed Wireless NetworksProceedings of the 2012 15th International Conference on Network-Based Information Systems10.1109/NBiS.2012.77(349-356)Online publication date: 26-Sep-2012
  • (2011)Quality of Service Enhancement for Converging Traffic in EDCA Based IEEE 802.112011 International Conference on Process Automation, Control and Computing10.1109/PACC.2011.5978859(1-6)Online publication date: Jul-2011
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        cover image ACM Conferences
        MSWiM '05: Proceedings of the 8th ACM international symposium on Modeling, analysis and simulation of wireless and mobile systems
        October 2005
        372 pages
        ISBN:1595931880
        DOI:10.1145/1089444
        Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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        Published: 10 October 2005

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        Author Tags

        1. CSMA/CA
        2. IEEE 802.11e
        3. MAC protocol
        4. QoS
        5. admission control

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        MSWiM '05 Paper Acceptance Rate 48 of 165 submissions, 29%;
        Overall Acceptance Rate 398 of 1,577 submissions, 25%

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        View all
        • (2014)Effect of transmission opportunity and frame aggregation on VoIP capacity over IEEE 802.11n WLANs2014 8th International Conference on Signal Processing and Communication Systems (ICSPCS)10.1109/ICSPCS.2014.7021093(1-7)Online publication date: Dec-2014
        • (2012)Dynamic Superframe Selection Scheme for High-Speed Wireless NetworksProceedings of the 2012 15th International Conference on Network-Based Information Systems10.1109/NBiS.2012.77(349-356)Online publication date: 26-Sep-2012
        • (2011)Quality of Service Enhancement for Converging Traffic in EDCA Based IEEE 802.112011 International Conference on Process Automation, Control and Computing10.1109/PACC.2011.5978859(1-6)Online publication date: Jul-2011
        • (2010)Tuning the EDCA parameters in WLANs with heterogeneous trafficComputer Networks: The International Journal of Computer and Telecommunications Networking10.1016/j.comnet.2010.02.01154:13(2199-2214)Online publication date: 1-Sep-2010
        • (2009)Policy-Based QoS Pro ision in WLAN HotspotsWireless Quality of Service10.1201/9781420051315.ch2(27-55)Online publication date: 14-Dec-2009
        • (2009)Call Admission Control in Wireless LANsResource, Mobility, and Security Management in Wireless Networks and Mobile Communications10.1201/9781420013610.pt1(3-39)Online publication date: 11-Dec-2009
        • (2009)An Analytical Model for MAC Protocol Configuration in WLANProceedings of the 2009 International Conference on Advanced Information Networking and Applications10.1109/AINA.2009.100(711-718)Online publication date: 26-May-2009
        • (2007)Adaptive Admission Control Mechanism for IEEE 802.11e WLANs2007 IEEE 18th International Symposium on Personal, Indoor and Mobile Radio Communications10.1109/PIMRC.2007.4394719(1-5)Online publication date: Sep-2007
        • (2007)Effects of Varying Superframe Duration on Jitter in Interactive Multimedia Traffic Transmission over WLANs6th IEEE/ACIS International Conference on Computer and Information Science (ICIS 2007)10.1109/ICIS.2007.94(257-260)Online publication date: Jul-2007
        • (2007)WLAN manager (WM)International Journal of Network Management10.1002/nem.64217:2(155-170)Online publication date: 1-Mar-2007
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