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Medium access contr...
Medium access control in vehicular networks based on the upcoming IEEE 802.11p standard
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- Bilstrup, Katrin (författare)
- Högskolan i Halmstad,Inbyggda system (CERES)
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- Uhlemann, Elisabeth (författare)
- Högskolan i Halmstad,Inbyggda system (CERES)
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- Ström, Erik, 1965 (författare)
- Chalmers,Chalmers tekniska högskola,Chalmers University of Technology
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(creator_code:org_t)
- ISBN 9781615677566
- World Congress on ITS, 2008
- 2008
- Engelska.
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Ingår i: 15th World Congress on Intelligent Transport Systems and ITS America Annual Meeting 2008. - : World Congress on ITS. - 9781615677566 ; , s. 4155-4167, s. 12-
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Abstract
Ämnesord
Stäng
- 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.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Telekommunikation (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Telecommunications (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Signalbehandling (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Signal Processing (hsv//eng)
Nyckelord
- Vehicular Communications
- IEEE 802.11p
- MAC
- Real-Time Communications
- Vehicle-to-Vehicle
- Vehicle Ad Hoc Networks
- Telecommunication theory
- Telekommunikationsteori
Publikations- och innehållstyp
- ref (ämneskategori)
- kon (ämneskategori)
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