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An Efficient MAC Protocol for vehicle platooning in automated highway systems
Polytechnic University of Valencia, Valencia, Spain.
Halmstad Universit, Sweden.
Mälardalens högskola, Akademin för innovation, design och teknik, Inbyggda system.ORCID-id: 0000-0001-6497-4099
Polytechnic University of Valencia, Valencia, Spain.
Vise andre og tillknytning
2015 (engelsk)Inngår i: Jornadas Sarteco 2015 JS 2015, Cordoba, Spain, 2015Konferansepaper, Publicerat paper (Fagfellevurdert)
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.

sted, utgiver, år, opplag, sider
Cordoba, Spain, 2015.
HSV kategori
Identifikatorer
URN: urn:nbn:se:mdh:diva-37428OAI: oai:DiVA.org:mdh-37428DiVA, id: diva2:1168328
Konferanse
Jornadas Sarteco 2015 JS 2015, 21 Sep 2015, Cordoba, Spain
Prosjekter
SafeCOP - Safe Cooperating Cyber-Physical Systems using Wireless Communication
Forskningsfinansiär
EU, Horizon 2020, 692529 VinnovaTilgjengelig fra: 2017-12-20 Laget: 2017-12-20 Sist oppdatert: 2019-04-26bibliografisk kontrollert

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Uhlemann, Elisabeth

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