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Title: A Contribution to Performance Analysis Approach of the IEEE 802.11 EDCA in Wireless Multi-hop Networks
Authors: Hoang, Minh Trong
Hoang, Minh
Le, Duc Cong
Keywords: IEEE 802.11e EDCA,;Virtual collision;Multi-hop network;Markov chain
Issue Date: 2015
Publisher: H. : ĐHQGHN
Citation: Hoang, Minh Trong, Le, Duc Cong, Hoang, Minh. (2015). A Contribution to Performance Analysis Approach of the IEEE 802.11 EDCA in Wireless Multi-hop Networks. VNU Journal of Science: Comp. Science & Com. Eng., Vol. 31, No. 1 (2015)
Series/Report no.: VNU Journal of Science: Comp. Science & Com. Eng.
Abstract: The IEEE 802.11e standard has been introduced to support service differentiation for wireless local area networks. In wireless multi-hop networks, the performance of IEEE 802.11e EDCA has to confront with some practical problems such as unsaturation traffic and hidden node problem. Hence, this problem has attracted numerous studies in recent years, in which several investigations use analytic model to evaluate the performance due to its accuracy aspect. However, the accuracy and complexity of analytical model depends on a range of assumed parameters. The complexity caused by the introduction of realistic conditions in wireless multi-hop networks is the major challenge of current studies in this field. To overcome this challenge, this paper proposes an analytical model which covers full specification of IEEE 802.11e EDCA. To reduce the complexity, the model is simplified by decomposing the problem in two models based on Markov chain that can be easily solved by numerical method. The proposed model is presented in the theoretical aspect as well as numerical results to clarify its accuracy. .
ISSN: 0866-8612
Language: en
Appears in Collections:Computer Science and Communication Engineering

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