Carrier sense multiple access with enhanced collision avoidance: a performance analysis

Authors:
Jaume Barcelo;Boris Bellalta;Cristina Cano;Anna Sfairopoulou;Miquel Oliver
Affiliations:
Universitat Pompeu Fabra, Tanger, Barcelona;Universitat Pompeu Fabra, Tanger, Barcelona;Universitat Pompeu Fabra, Tanger, Barcelona;Universitat Pompeu Fabra, Tanger, Barcelona;Universitat Pompeu Fabra, Tanger, Barcelona
Venue:
Proceedings of the 2009 International Conference on Wireless Communications and Mobile Computing: Connecting the World Wirelessly
Year:
2009

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Abstract

Carrier Sense Multiple Access with Enhanced Collision Avoidance (CSMA/ECA) is a recently proposed modification to the well-known CSMA/CA protocol. By using a deterministic backoff after successful transmissions, the number of collisions decreases. This article presents a model that captures the behaviour of CSMA/ECA in both saturated and non-saturated scenarios. The results, which are validated by simulations, show that CSMA/ECA effectively prevents collisions and, therefore, it can deliver a higher throughput than CSMA/CA.