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A QoS provisioning mechanisms based on effective bandwidth for the polling based WLAN system

Published: 14 January 2010 Publication History

Abstract

HCCA has been standardized to provide real-time services with reservation based QoS support using the polling mechanism. To decide whether the service is admitted, the ACU is presented in the specification. The reference scheduler is also specified to allocate wireless resources according to the admission result. However, it is not specified how to collect the QoS information for the service. Furthermore, these mechanisms may operate inefficiently when VBR traffic is generated because these are designed by considering only CBR characteristic. It may cause to degrade the QoS of real-time services generated by VBR. In this paper, we propose three mechanisms to guarantee the QoS of realtime services in the polling based WLAN system. The QoS information for the service is collected using the proposed TS establishment procedure. Then, the effective bandwidth based admission control mechanism decides whether to admit the service according to effective bandwidth. Effective bandwidth is calculated using the collected QoS information. Finally, the token bucket based scheduling mechanism assigns wireless resources depending on the token stored in the bucket. The token bucket size and the token arrival rate are calculated by effective bandwidth. The simulation results show that the proposed mechanisms efficiently transmit the admitted TSs within the delay bound regardless of traffic characteristics. Therefore, the proposed mechanisms can contribute to guarantee the QoS of the real-time services in WLAN.

References

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IEEE 802.11 WG, Information Technology - Telecommunications and Information Exchange between Systems - Local and Metropolitan Area Networks -- Specific Requirements. Part 11: Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) Specifications, in IEEE Std 802.11#8482;-2007, 2007
[2]
IEEE 802.11 WG, Draft Amendment to Standard for Information Technology - Telecommunications and Information Exchange between Systems - LAN/MAN Specific Requirements - Part 11: Wireless Medium Access Control (MAC) and Physical Layer (PHY) Specifications: Medium Access Control (MAC) Quality of Service (QoS) Enhancements, IEEE P802.11e/D13.0, Nov. 2003.
[3]
S. Mangold, S. Choi, P. May, et al.," IEEE 802.11e wireless LAN for Quality of Service," In proc. European Wireless'2002, Feb., 2002, vol. 1, pp. 32--39.
[4]
S. Mangold, S. Choi, G. R. Hiertz, et al.," Analysis of IEEE 802.11e for QoS support in wireless LANs," Wireless Communications, Vol. 10, No. 6. (2003), pp. 40--50.
[5]
D. Gao, and J. Cai, "Admission control with physical rate measurement for IEEE 802.11e controlled channel access," IEEE Communications Letters, Vol. 9, No. 8, pp. 694--696, Aug. 2005.
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P. Ansel, Q. Ni, T. Turletti, "FHCF: a simple and efficient scheduling scheme for IEEE 802.11e wireless LAN," Mobile Networks and Applications, vol. 11 no. 3, pp.391--403, June 2006.
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Y. Higuchi, A. Foronda, C. Ohta, M. Yoshimoto, and Y. Okada, "Delay guarantee and service interval optimization for HCCA in IEEE 802.11e WLANs," In proc. WCNC 2007, pp.2080--2085, 2007.
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H. Ahmadi, R. Gutrin and K. Sohraby, "Analysis of a rate-based access control mechanism for high-speed networks," IEEE transactions on communications, vol. 41, no. 3. Pp. 940--950, Jun. 1993.
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[10]
Video Trace Research Group: http://trace. eas.asu.edu/

Cited By

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  • (2020)High performing multimedia transmission approach based on QoS support and admission control over IEEE 802.11e networksInternational Journal of Communication Systems10.1002/dac.419333:5Online publication date: 22-Jan-2020
  • (2018)Review on QoS Provisioning Approaches for Supporting Video Traffic in IEEE802.11e: Challenges and IssuesIEEE Access10.1109/ACCESS.2018.28727706(55202-55219)Online publication date: 2018
  • (2017)A Feedback-based Admission Control Unit for QoS provision of video Transmission over WLANs2017 IEEE 7th Annual Computing and Communication Workshop and Conference (CCWC)10.1109/CCWC.2017.7868367(1-6)Online publication date: Jan-2017

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        cover image ACM Conferences
        ICUIMC '10: Proceedings of the 4th International Conference on Uniquitous Information Management and Communication
        January 2010
        550 pages
        ISBN:9781605588933
        DOI:10.1145/2108616
        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: 14 January 2010

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        Author Tags

        1. WLAN
        2. admission control
        3. real-time application
        4. scheduler

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        View all
        • (2020)High performing multimedia transmission approach based on QoS support and admission control over IEEE 802.11e networksInternational Journal of Communication Systems10.1002/dac.419333:5Online publication date: 22-Jan-2020
        • (2018)Review on QoS Provisioning Approaches for Supporting Video Traffic in IEEE802.11e: Challenges and IssuesIEEE Access10.1109/ACCESS.2018.28727706(55202-55219)Online publication date: 2018
        • (2017)A Feedback-based Admission Control Unit for QoS provision of video Transmission over WLANs2017 IEEE 7th Annual Computing and Communication Workshop and Conference (CCWC)10.1109/CCWC.2017.7868367(1-6)Online publication date: Jan-2017

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