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A cross-layer architecture to improve mobile host rate performance and to solve unfairness problem in WLANs

Zhang, Lei and Sénac, Patrick and Lochin, Emmanuel and Diaz, Michel A cross-layer architecture to improve mobile host rate performance and to solve unfairness problem in WLANs. (2013) Telecommunication Systems . ISSN 1018-4864

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Official URL: http://dx.doi.org/10.1007/s11235-013-9702-5

Abstract

The evolution of the Internet has been mainly promoted in recent years by the emergence and pro- liferation of wireless access networks towards a global ambient and pervasive network accessed from mobile devices. These new access networks have introduced new MAC layers independently of the legacy "wire- oriented" protocols that are still at the heart of the pro- tocol stacks of the end systems. This principle of isola- tion and independence between layers advocated by the OSI model has its drawbacks of maladjustment between new access methods and higher-level protocols built on the assumption of a wired Internet. In this paper, we introduce and deliver solutions for several pathologi- cal communication behaviors resulting from the malad- justment between WLAN MAC and higher layer stan- dard protocols such as TCP/IP and UDP/IP. Specially, based on an efficient analytical model for WLANs band- width estimation, we address in this paper the two fol- lowing issues: 1) Performance degradation due to the lack of flow control between the MAC and upper layer resulting in potential MAC buffer overflow; 2) Unfair bandwidth share issues between various type of flows. We show how these syndromes can be efficiently solved from neutral "cross layer" interactions which entail no changes in the considered protocols and standards.

Item Type:Article
Additional Information:Thanks to Springer editor. The definitive version is available at http://www.springerlink.com The original PDF of the article can be found at Telecommunication Systems website: http://link.springer.com/journal/11235
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:French research institutions > Centre National de la Recherche Scientifique - CNRS
Université de Toulouse > Institut National Polytechnique de Toulouse - INPT
French research institutions > Institut National de la Recherche en Informatique et en Automatique - INRIA
Université de Toulouse > Institut National des Sciences Appliquées de Toulouse - INSA
Université de Toulouse > Institut Supérieur de l'Aéronautique et de l'Espace - ISAE
Université de Toulouse > Université Paul Sabatier-Toulouse III - UPS
Other partners > Université des Sciences et Technologies de Lille - USTL (FRANCE)
Université de Toulouse > Université de Toulouse II-Le Mirail - UTM
Laboratory name:
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Deposited By: Emmanuel Lochin

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