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An Efficient MAC Protocol for vehicle platooning in automated highway systems
Polytechnic University of Valencia, Valencia, Spain.
Halmstad Universit, Sweden.
Mälardalen University, School of Innovation, Design and Engineering, Embedded Systems.ORCID iD: 0000-0001-6497-4099
Polytechnic University of Valencia, Valencia, Spain.
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2015 (English)In: Jornadas Sarteco 2015 JS 2015, Cordoba, Spain, 2015Conference paper, Published paper (Refereed)
Abstract [en]

Lately, all the top truck manufacturers are investing considerable resources in the research and development of platooning systems which would allow vehicles to save fuel and improve safety by travelling in a close-following manner. The platoon-ing system requires frequent and reliable vehicle-to-vehicle communications. As platooning takes place in a vehicular ad hoc network, the use of IEEE 802.11p is close to mandatory. However, the 802.11p medium access method suffers from packet collisions and random delays. Most ongoing research suggests using TDMA on top of 802.11p as a potential remedy. However , TDMA requires synchronization and is not very flexible if the beacon frequency needs to be updated, the number of platoon members changes, or if re-transmissions for increased reliability are required. We therefore suggest a token-passing medium access method where the next token holder is selected based on beacon data age. This has the advantage of allowing beacons to be re-broadcasted in each beacon interval whenever time and bandwidth are available. We show that our token-based method is able to reduce the data age and considerably increase reliability considerably compared to pure 802.11p.

Place, publisher, year, edition, pages
Cordoba, Spain, 2015.
National Category
Engineering and Technology Computer Systems
Identifiers
URN: urn:nbn:se:mdh:diva-37428OAI: oai:DiVA.org:mdh-37428DiVA: diva2:1168328
Conference
Jornadas Sarteco 2015 JS 2015, 21 Sep 2015, Cordoba, Spain
Projects
SafeCOP - Safe Cooperating Cyber-Physical Systems using Wireless Communication
Available from: 2017-12-20 Created: 2017-12-20 Last updated: 2017-12-20Bibliographically approved

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Uhlemann, Elisabeth

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