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  • Bilstrup, KatrinHögskolan i Halmstad,Inbyggda system (CERES),Högskolan i Halmstad, Inbyggda system (CERES),Chalmers tekniska högskola,Chalmers University of Technology (författare)

Evaluation of the IEEE 802.11p MAC method for vehicle-to-vehicle communication

  • Artikel/kapitelEngelska2008

Förlag, utgivningsår, omfång ...

  • Piscataway, N.J.IEEE Press,2008
  • electronicrdacarrier

Nummerbeteckningar

  • LIBRIS-ID:oai:DiVA.org:hh-2172
  • ISBN:9781424417223
  • https://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-2172URI
  • https://doi.org/10.1109/VETECF.2008.446DOI
  • https://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-22179URI
  • https://research.chalmers.se/publication/71763URI

Kompletterande språkuppgifter

  • Språk:engelska
  • Sammanfattning på:engelska

Ingår i deldatabas

Klassifikation

  • Ämneskategori:ref swepub-contenttype
  • Ämneskategori:kon swepub-publicationtype

Anmärkningar

  • Copyright © 2008 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
  • In this paper the medium access control (MAC) method of the upcoming vehicular communication standard IEEE 802.11p has been simulated in a highway scenario with periodic broadcast of time-critical packets (so-called heartbeat messages) in a vehicle-to-vehicle situation. The 802.11p MAC method is based on carrier sense multiple access (CSMA) where nodes listen to the wireless channel before sending. If the channel is busy, the node must defer its access and during high utilization periods this could lead to unbounded delays. This well-known property of CSMA is undesirable for time critical communications. The simulation results reveal that a specific node/vehicle is forced to drop over 80% of its heartbeat messages because no channel access was possible before the next message was generated. To overcome this problem, we propose to use self-organizing time division multiple access (STDMA) for real-time data traffic between vehicles. This MAC method is already successfully applied in commercial surveillance applications for ships (AIS) and airplanes (VDL mode 4). Our initial results indicate that STDMA outperforms CSMA for time-critical traffic safety applications in ad hoc vehicular networks.

Ämnesord och genrebeteckningar

Biuppslag (personer, institutioner, konferenser, titlar ...)

  • Uhlemann, ElisabethHögskolan i Halmstad,Inbyggda system (CERES),Högskolan i Halmstad, Inbyggda system (CERES),Volvo Group(Swepub:mdh)eun01 (författare)
  • Ström, Erik,1965Chalmers,Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)estrom (författare)
  • Bilstrup, UrbanHögskolan i Halmstad,Inbyggda system (CERES),Högskolan i Halmstad, Inbyggda system (CERES)(Swepub:mdh)urban (författare)
  • Högskolan i HalmstadInbyggda system (CERES) (creator_code:org_t)

Sammanhörande titlar

  • Ingår i:68th IEEE Vehicular Technology Conference, 2008. VTC 2008-FallPiscataway, N.J. : IEEE Press, s. 1-59781424417216
  • Ingår i:IEEE Vehicular Technology ConferencePiscataway, N.J. : IEEE Press, s. 1-51550-22529781424417223

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