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Performance Analysis of IEEE 802.11e EDCA
Wei ZHANG Jun SUN Jing LIU Haibin ZHANG
IEICE TRANSACTIONS on Communications
Publication Date: 2007/01/01
Online ISSN: 1745-1345
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Terrestrial Radio Communications
EDCA, IEEE 802.11e, performance analysis, internal collision,
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This letter presents a clear and more accurate analytical model to evaluate the IEEE 802.11e enhanced distributed channel access (EDCA) protocol. The proposed model distinguishes internal collision from external collision. It also differentiates the two cases when the backoff counter decreases, i.e. an arbitration interframe space (AIFS) period after a busy duration and a time slot after the AIFS period. The analytical model is validated through simulation.