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Medium access control in vehicular networks based on the upcoming IEEE 802.11p standard
Högskolan i Halmstad, Inbyggda system (CERES).
Högskolan i Halmstad, Inbyggda system (CERES).ORCID-id: 0000-0001-6497-4099
Chalmers.
2008 (engelsk)Inngår i: 15th World Congress on Intelligent Transport Systems and ITS America Annual Meeting 2008, World Congress on ITS , 2008, s. 4155-4167Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

In this paper, initial simulations are presented showing that the upcoming IEEE 802.11p standard is not suitable for traffic safety applications requiring reliable, low delay communication between vehicles. The medium access control procedure is one of the most important parts in the design of delay-constrained communication systems, and emerging vehicle safety applications put new stringent demands on timely and reliable delivery of data packets. The medium access procedure used in 802.11p is carrier sense multiple access, which is inherently unsuitable for time-critical data traffic since it is contention-based and cannot provide a finite upper bound on the time to channel access. The simulation results indicate that with IEEE 802.11p, channel access cannot be granted in a manner that is sufficiently predictable to support reliable, low-delay communications between vehicles on a highway.

sted, utgiver, år, opplag, sider
World Congress on ITS , 2008. s. 4155-4167
Emneord [en]
Vehicular Communications, IEEE 802.11p, MAC, Real-Time Communications, Vehicle-to-Vehicle, Vehicle Ad Hoc Networks
HSV kategori
Identifikatorer
URN: urn:nbn:se:mdh:diva-22182ISBN: 978-1-61567-756-6 (tryckt)OAI: oai:DiVA.org:mdh-22182DiVA, id: diva2:661188
Konferanse
15th World Congress on Intelligent Transport Systems (ITS), 16 - 20 November, 2008, Jacob K. Javits Convention Center, 36th St. & Eleventh Av. Manhattan, New York
Tilgjengelig fra: 2013-11-01 Laget: 2013-10-29 Sist oppdatert: 2014-05-22bibliografisk kontrollert

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Bilstrup, KatrinUhlemann, Elisabeth

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