Performance enhancement of IEEE 802.11e EDCA by contention adaption

Yi Wen Lan*, Jui Hung Yeh, Jyh-Cheng Chen, Zi Tsan Chou

*Corresponding author for this work

Research output: Contribution to journalConference articlepeer-review

14 Scopus citations


This paper presents a Contention Adaption mechanism to improve the performance of the standard IEEE 802.11e EDCA. By only introducing two parameters, the proposed scheme could reduce the contention in the standard EDCA when traffic load is heavy. Because contention is reduced, the transmission delay and energy consumption are reduced as well. Performance in the standard EDCA, thus, is improved. The proposed scheme is fully compatible with the IEEE 802.11e EDCA. Based on intensive simulation, results show that the proposed scheme could reduce the average energy consumption significantly. Furthermore, the proposed scheme is simple and should be easy to implement. It is both effective and practical.

Original languageEnglish
Pages (from-to)2096-2100
Number of pages5
JournalIEEE Vehicular Technology Conference
Issue number3
StatePublished - 17 Oct 2005
Event2005 IEEE 61st Vehicular Technology Conference -VTC 2005 - Spring Stockholm: Paving the Path for a Wireless Future - Stockholm, Sweden
Duration: 30 May 20051 Jun 2005


  • 802.11e
  • EDCA
  • Energy conservation
  • QoS
  • Wireless LANs

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