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A Novel 802.11 Contention Window Control Scheme for Vehicular Environments
Universitat Politecnica de Valencia, Spain.
Universitat Politecnica de Valencia, Spain.
Universitat Politecnica de Valencia, Spain.
2013 (English)In: Jornadas Sarteco 2013 JS 2013, 2013, p. 98-103Conference paper, Published paper (Refereed)
Abstract [en]

Intelligent Transportation Systems (ITS) have attractive potential in order to decrease the ordi- nary traffic jams and avoid transportation disasters. Also, they are able to provide various infotainment services like browsing, reading e-mail or using social networks that makes a trip more interesting. In or- der to make it more efficient in real vehicular envi- ronments, achieving a well-designed Medium Access Control (MAC) protocol is a challenging issue due to the dynamic nature of VANETs, scalability issues, and the variety of application requirements. Differ- ent standardization organizations have selected IEEE 802.11 as the first choice for VANET environments considering its availability, maturity, and cost. The research results for IEEE 802.11 MAC protocol show the importance of contention window adjustment on the communications performance. The impact of ad- justing the contention window has been studied in MANETs, but the vehicular communication commu- nity has not yet addressed this issue thoroughly. This paper proposes e-HBCWC, a new contention window control scheme for VANET environments based on estimating the network condition. Analy- sis and simulation results using OMNeT++ in urban scenarios show that e-HBCWC clearly outperforms 802.11 DCF, even in very high network density, by increasing the packet delivery rate while decreasing the number of collisions and the end-to-end delay for unicast applications.

Place, publisher, year, edition, pages
2013. p. 98-103
National Category
Computer Systems
Identifiers
URN: urn:nbn:se:mdh:diva-37429ISBN: 978-84-695-8330-2 (print)OAI: oai:DiVA.org:mdh-37429DiVA, id: diva2:1168333
Conference
Jornadas Sarteco 2013 JS 2013, 18 Sep 2013, Madrid, Spain
Available from: 2017-12-20 Created: 2017-12-20 Last updated: 2017-12-20Bibliographically approved

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Balador, Ali
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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf