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Connectivity-aware Medium Access Control in Platoon-based Vehicular Ad Hoc Networks
School of Communication & Information Engineering, University of Electronic Science & Technology of China, Chengdu, China.
School of Communication & Information Engineering, University of Electronic Science & Technology of China, Chengdu, China.
School of Communication & Information Engineering, University of Electronic Science & Technology of China, Chengdu, China.
Simula Research Laboratory, Oslo, Norway.
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2015 (English)In: 2015 IEEE International Conference on Communications (ICC), Piscataway , NJ: IEEE Press, 2015, 3305-3310 p.Conference paper, Published paper (Refereed)
Abstract [en]

Because of the space and time dynamics of moving vehicles, network connectivity is an important performance metric to affect packet delivery in Vehicular Ad Hoc Networks (VANETs). Grouping vehicles into platoons in VANETs can improve road safety, change the network connectivity, and even reduce channel access collisions. Unfortunately, network connectivity is often ignored in the design of exiting MAC protocols for VANETs. In this paper, we analyze the connectivity probability and present a connectivity-aware Medium Access Control (MAC) protocol for platoon-based VANETs. A multi-priority Markov model is presented to derive the relationship between the connectivity probability and the system saturated throughput. Based on variable traffic status and network connectivity, a multi-channel reservation scheme is adopted to dynamically adjust the length of the Control CHannel (CCH) interval and the Service CHannel (SCH) interval for the improvement of the system performance, in terms of network throughput and the priority packet transmission opportunities for platoons. As a result, some important observations to the design and analysis of such communication systems are provided. © 2015 IEEE

Place, publisher, year, edition, pages
Piscataway , NJ: IEEE Press, 2015. 3305-3310 p.
Keyword [en]
Vehicular Ad Hoc Networks, platoon, connectivity, medium access control
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:hh:diva-29204DOI: 10.1109/ICC.2015.7248834ISI: 000371708103086Scopus ID: 2-s2.0-84953750987ISBN: 978-1-4673-6432-4 OAI: oai:DiVA.org:hh-29204DiVA: diva2:846304
Conference
IEEE International Conference on Communications (ICC 2015), London, United Kingdom, June 8-12, 2015
Projects
ACDC
Funder
Knowledge Foundation
Note

This work was supported in part by the Fundamental Research Funds for the Central Universities No. A03008023901001, the National Natural Science Foundation of China under Grant No.61374189, the Information Technology Research Projects of Ministry of Transport of China under Grant No.2014364X14040, and the ACDC project funded by the Knowledge Foundation in Sweden.

Available from: 2015-08-15 Created: 2015-08-15 Last updated: 2016-11-30Bibliographically approved

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