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Journal of Optical Communications and Networking

Journal of Optical Communications and Networking

  • Editor: Keren Bergman
  • Vol. 8, Iss. 1 — Jan. 1, 2009
  • pp: 95–111

Performance evaluation of IEEE 802.11e medium access control in fiber-fed networks

Majlinda Mjeku, Anthony Nkansah, and Nathan J. Gomes  »View Author Affiliations


Journal of Optical Networking, Vol. 8, Issue 1, pp. 95-111 (2009)
http://dx.doi.org/10.1364/JON.8.000095


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Abstract

An evaluation of the performance of the IEEE 802.11e medium access control (MAC) for quality-of-service (QoS) support in 802.11 networks has been carried out in a fiber-fed wireless local area network (WLAN) scenario. The effect of the additional optical path delay on the effectiveness of the new mechanisms of the 802.11e extension for efficiency increase, i.e., the burst transmission, and new ACK policies have been investigated. It is shown by means of analysis and simulations that although the fiber delay degrades the performance of the new mechanisms, compared with the original 802.11 MAC, significant throughput improvement can be gained when burst transmission is used with the Immediate, Block, or No ACK policies in fiber-fed networks. An experimental evaluation of the throughput improvement with the 802.11e extension is also reported. Our measurements, supported by simulations, show that higher layer operation can have a significant effect on the performance of the new MAC mechanisms, especially when transmission errors are present.

© 2008 Optical Society of America

OCIS Codes
(060.2330) Fiber optics and optical communications : Fiber optics communications
(060.4250) Fiber optics and optical communications : Networks

ToC Category:
Radio-over-Optical-Fiber Networks

History
Original Manuscript: August 26, 2008
Revised Manuscript: November 14, 2008
Manuscript Accepted: November 14, 2008
Published: December 23, 2008

Virtual Issues
Radio-over-Optical-Fiber Networks (2008) Journal of Optical Networking

Citation
Majlinda Mjeku, Anthony Nkansah, and Nathan J. Gomes, "Performance evaluation of IEEE 802.11e medium access control in fiber-fed networks," J. Opt. Netw. 8, 95-111 (2009)
http://www.opticsinfobase.org/jocn/abstract.cfm?URI=jon-8-1-95


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