On the Optimization of the IEEE 802.11 DCF : A Cross-Layer Perspective
Joint Authors
Mesiti, Fabio
Laddomada, Massimiliano
Source
International Journal of Digital Multimedia Broadcasting
Issue
Vol. 2010, Issue 2010 (31 Dec. 2010), pp.1-13, 13 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2010-12-14
Country of Publication
Egypt
No. of Pages
13
Main Subjects
Engineering Sciences and Information Technology
Telecommunications Engineering
Electronic engineering
Information Technology and Computer Science
Abstract EN
This paper is focused on the problem of optimizing the aggregate throughput of the distributed coordination function (DCF) employing the basic access mechanism at the data link layer of IEEE 802.11 protocols.
We consider general operating conditions accounting for both nonsaturated and saturated traffic in the presence of transmission channel errors, as exemplified by the packet error rate Pe.
The main clue of this work stems from the relation that links the aggregate throughput of the network to the packet rate λ of the contending stations.
In particular, we show that the aggregate throughput S(λ) presents two clearly distinct operating regions that depend on the actual value of the packet rate λ with respect to a critical value λc, theoretically derived in this work.
The behavior of S(λ) paves the way to a cross-layer optimization algorithm, which proved to be effective for maximizing the aggregate throughput in a variety of network operating conditions.
A nice consequence of the proposed optimization framework relies on the fact that the aggregate throughput can be predicted quite accurately with a simple, yet effective, closed-form expression.
Finally, theoretical and simulation results are presented in order to unveil, as well as verify, the key ideas.
American Psychological Association (APA)
Laddomada, Massimiliano& Mesiti, Fabio. 2010. On the Optimization of the IEEE 802.11 DCF : A Cross-Layer Perspective. International Journal of Digital Multimedia Broadcasting،Vol. 2010, no. 2010, pp.1-13.
https://search.emarefa.net/detail/BIM-468961
Modern Language Association (MLA)
Laddomada, Massimiliano& Mesiti, Fabio. On the Optimization of the IEEE 802.11 DCF : A Cross-Layer Perspective. International Journal of Digital Multimedia Broadcasting No. 2010 (2010), pp.1-13.
https://search.emarefa.net/detail/BIM-468961
American Medical Association (AMA)
Laddomada, Massimiliano& Mesiti, Fabio. On the Optimization of the IEEE 802.11 DCF : A Cross-Layer Perspective. International Journal of Digital Multimedia Broadcasting. 2010. Vol. 2010, no. 2010, pp.1-13.
https://search.emarefa.net/detail/BIM-468961
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-468961