Throughput and delay analysis for the IEEE 802.11e enhanced distributed channel access

Zhifeng Tao, Shivendra Panwar

Research output: Contribution to journalArticle

Abstract

In this letter, we propose a three-dimensional Markov chain model for the 802.11e enhanced distributed channel access (EDCA) mode. This model can be used to compute the maximum sustainable throughput and service delay distribution for each priority class when under saturation load. The new framework models the performance impact of major quality-of-service (QoS)-specific features (e.g., CWMin, CWMax, AIFS, internal collision resolution) of the 802.11e EDCA mode, and hence can provide an analytical approach to pick the parameter values associated with EDCA to meet the QoS requirements of each priority.

Original languageEnglish (US)
Pages (from-to)596-603
Number of pages8
JournalIEEE Transactions on Communications
Volume54
Issue number4
DOIs
StatePublished - Apr 2006

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Throughput
Quality of service
Markov processes

Keywords

  • IEEE 802.11e protocol
  • Markov model
  • Performance evaluation
  • Quality of service (QoS)

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Computer Networks and Communications

Cite this

Throughput and delay analysis for the IEEE 802.11e enhanced distributed channel access. / Tao, Zhifeng; Panwar, Shivendra.

In: IEEE Transactions on Communications, Vol. 54, No. 4, 04.2006, p. 596-603.

Research output: Contribution to journalArticle

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