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

被引：72

作者：

Tao, ZF ^{[1
]}

Panwar, S ^{[1
]}

机构：

[1] Polytech Univ, Dept Elect & Comp Engn, Brooklyn, NY 11201 USA

来源：

IEEE TRANSACTIONS ON COMMUNICATIONS | 2006年 / 54卷 / 04期

关键词：

IEEE 802.11e protocol; Markov model; performance evaluation; quality of service (QoS);

D O I：

10.1109/TCOMM.2006.873066

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

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.

引用

页码：596 / 603

页数：8

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