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Performance analysis of CSMA/CA protocols with multi-packet transmission
Department of Information Technologies and Communications, Universitat Pompeu Fabra, Barcelona, Spain.ORCID iD: 0000-0002-7826-3703
Department of Information Technologies and Communications, Universitat Pompeu Fabra, Barcelona, Spain.ORCID iD: 0000-0002-0235-510X
Department of Computer Science, University of Würzburg, Würzburg, Germany.
Department of Information Technologies and Communications, Universitat Pompeu Fabra, Barcelona, Spain.ORCID iD: 0000-0001-5556-4709
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2013 (English)In: Computer Networks, ISSN 1389-1286, E-ISSN 1872-7069, Vol. 57, no 14, 2675-2688 p.Article in journal (Refereed) Published
Abstract [en]

Wireless objects equipped with multiple antennas are able to simultaneously transmit multiple packets by exploiting the channel's spatial dimensions. In this paper, we study the benefits of such Multiple Packet Transmission (MPT) approach, when it is used in combination with a Carrier Sense Multiple Access with Collision Avoidance (CSMA/CA) protocol for fully interconnected networks, addressing the interactions between the two mechanisms and showing the performance gains that can be achieved. To this end, a very simple Media Access Control (MAC) protocol that captures the fundamental properties and tradeoffs of a CSMA/CA channel access protocol supporting MPT is introduced. Using this protocol as a reference, a new analytical model is presented for the case of non-saturated traffic sources with finite buffer space. Simulation results show that the analytical model is able to accurately characterize the steady-state behavior of the reference protocol for different number of antennas and different traffic loads, providing a useful tool for understanding the performance gains achieved by MAC protocols supporting MPT. © 2013 Elsevier B.V. All rights reserved.

Place, publisher, year, edition, pages
Amsterdam: Elsevier, 2013. Vol. 57, no 14, 2675-2688 p.
Keyword [en]
CSMA/CA, Multi-packet transmission, SDMA, Queueing model, Non-saturation, Performance evaluation
National Category
Communication Systems Telecommunications
Identifiers
URN: urn:nbn:se:hh:diva-24261DOI: 10.1016/j.comnet.2013.05.009ISI: 000324510300001Scopus ID: 2-s2.0-84883216753OAI: oai:DiVA.org:hh-24261DiVA: diva2:682998
Note

This work has been partially supported by COST (European Cooperation in Science and Technology) Action IC0906, the Spanish Government under Projects TEC2012-32354, TEC2012-34642 and TEC2009-13000 (Plan Nacional I + D), CSD2008-00010 (Consolider-Ingenio) and by the Catalan Government (SGR2009#00617 and SGR2009#70)

Available from: 2014-01-01 Created: 2014-01-01 Last updated: 2015-09-29Bibliographically approved

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