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S-EDCA: EDCA based on SuperSlot and Pseudo Collision

Published: 01 October 2006 Publication History

Abstract

The IEEE 802.11e EDCA mechanism cannot guarantee the QoS of high-priority traffic as the bandwidth consumption of low-priority traffic increases. Also, the existence of high priority traffic undermines link utilization of low priority traffic. To solve these problems, we propose the S-EDCA scheme that extends IEEE 802.11e EDCA by introducing a SuperSlot and Pseudo Collision. Compared to IEEE 802.11e EDCA, S-EDCA has two advantages: (a) Higher priority traffic achieves QoS regardless of the amount of low priority traffic, and (b) Low priority traffic experiences a higher throughput with the same amount of high priority traffic.

References

[1]
IEEE Computer Society. 802.11: Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) Specifications, June 1997.
[2]
IEEE WG, "IEEE 802.11e/D13.0, Draft Supplement to Part 11: Wireless Medium Access Control (MAC) and Physical Layer (PHY) specifications: Medium Access Control (MAC) Enhancements for Quality of Service (QoS)," January 2005.
  1. S-EDCA: EDCA based on SuperSlot and Pseudo Collision

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    Published In

    cover image ACM SIGMOBILE Mobile Computing and Communications Review
    ACM SIGMOBILE Mobile Computing and Communications Review  Volume 10, Issue 4
    October 2006
    45 pages
    ISSN:1559-1662
    EISSN:1931-1222
    DOI:10.1145/1215976
    Issue’s Table of Contents

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    Association for Computing Machinery

    New York, NY, United States

    Publication History

    Published: 01 October 2006
    Published in SIGMOBILE Volume 10, Issue 4

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