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An Efficient MAC Protocol for vehicle platooning in automated highway systems
Polytechnic University of Valencia, Valencia, Spain.ORCID-id: 0000-0002-4473-7763
Högskolan i Halmstad, Akademin för informationsteknologi, Halmstad Embedded and Intelligent Systems Research (EIS), Centrum för forskning om inbyggda system (CERES).
Mälardalen University, Västerås, Sweden.ORCID-id: 0000-0001-6497-4099
Polytechnic University of Valencia, Valencia, Spain.ORCID-id: 0000-0001-5729-3041
Vise andre og tillknytning
2015 (engelsk)Konferansepaper, 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 platooning 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
2015.
Emneord [en]
IEEE 802.11p, Vehicular Ad Hoc Networks, Platooning, Beacon Transmission
HSV kategori
Identifikatorer
URN: urn:nbn:se:hh:diva-30166OAI: oai:DiVA.org:hh-30166DiVA, id: diva2:894050
Konferanse
2015 IEEE 82nd Vehicular Technology Conference: VTC2015-Fall, Boston, MA, USA, 6–9 September, 2015
Prosjekter
ACDC
Forskningsfinansiär
Knowledge Foundation
Merknad

This work was partially supported by the Ministerio de Economa y Competitividad, Programa Estatal de Investigacion, Desarrollo e Innovacion Orientada a los Retos de la Sociedad, Proyectos I+D+I 2014, Spain, under Grant TEC2014-52690-R. Balador is funded by the ERASMUS+ programme and by the National Institute of Informatics International Internship Program. Bohm and Uhlemann are funded by the Knowledge Foundation through the ACDC project.

Tilgjengelig fra: 2016-01-14 Laget: 2016-01-14 Sist oppdatert: 2018-03-22bibliografisk kontrollert

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Balador, AliBöhm, AnnetteUhlemann, ElisabethCalafate, Carlos T.Manzoni, Pietro

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