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Congestion Control for Vehicular Environments by Adjusting IEEE 802.11 Contention Window Size

Authors:

Ali Balador, Carlos T. Calafate , Juan-Carlos Cano , Pietro Manzoni

Research group:

Data Communication

Publication Type:

Conference/Workshop Paper

Venue:

13th International Conference on Algorithms and Architectures for Parallel Processing

Abstract

Medium access control protocols should manage the highly dynamic nature of Vehicular Ad Hoc Networks (VANETs) and the variety of application requirements. Therefore, achieving a well-designed MAC protocol in VANETs is a challenging issue. The contention window is a critical element for handling medium access collisions in IEEE 802.11, and it highly affects the communications performance. This paper proposes a new contention window control scheme, called DBM-ACW, for VANET environments. Analysis and simulation results using OMNeT++ in urban scenarios show that DBM-ACW provides better overall performance compared with previous proposals, even with high network densities.

Bibtex

@inproceedings{Balador4901,
author = {Ali Balador and Carlos T. Calafate and Juan-Carlos Cano and Pietro Manzoni},
title = {Congestion Control for Vehicular Environments by Adjusting IEEE 802.11 Contention Window Size},
month = {December},
year = {2013},
booktitle = {13th International Conference on Algorithms and Architectures for Parallel Processing},
url = {http://www.es.mdu.se/publications/4901-}
}