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Performance Analysis of Connectivity Probability and Connectivity-aware MAC Protocol Design for Platoon-based VANETs
University of Electronic Science and Technology of China, Chengdu, China & College of Computer Science and Technology, Southwest University for Nationalities, Chengdu, China.
University of Electronic Science and Technology of China, Chengdu, China.
Simula Research Laboratory, Lysaker, Norway & University of Oslo, Oslo, Norway.
Högskolan i Halmstad, Akademin för informationsteknologi, Halmstad Embedded and Intelligent Systems Research (EIS), Centrum för forskning om inbyggda system (CERES).ORCID-id: 0000-0003-4894-4134
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2015 (Engelska)Ingår i: IEEE Transactions on Vehicular Technology, ISSN 0018-9545, E-ISSN 1939-9359, Vol. 64, nr 12, s. 5596-5609Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

Vehicular Ad Hoc Networks (VANETs) can provide safety and non-safety applications to improve the passenger safety and comfort. Grouping vehicles into platoons in VANETs can improve road safety and reduce fuel consumption. It is critical to design an efficient Medium Access Control (MAC) protocol for Platoon-based VANETs. Moreover, because of the space and time dynamics of moving vehicles, network connectivity is an important performance metric to indicate the quality of the network communications and the satisfaction of users. Unfortunately, network connectivity is often ignored in the design of existing MAC protocols for VANETs. In this paper, we study the connectivity characteristics and present a connectivity-aware MAC protocol for platoon-based VANETs. The connectivity probabilities are analyzed for the Vehicle-to-Vehicle (V2V) and Vehicle-to-Infrastructure (V2I) communication scenarios in oneway and two-way VANETs, respectively. A multi-priority Markov model is presented to derive the relationship between the connectivity probability and the system 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 throughput. Analysis and simulation results show that the throughput increases with the connectivity probability. However, with further increase of the connectivity probability, the throughput will decrease due to numerous channel contention. © Copyright 2015 IEEE

Ort, förlag, år, upplaga, sidor
Piscataway, NJ: IEEE Press, 2015. Vol. 64, nr 12, s. 5596-5609
Nyckelord [en]
Connectivity probability, medium access control (MAC), one-way, platoon, two-way, vehicle-to-infrastructure (V2I), vehicle-to-vehicle (V2V), vehicular ad hoc networks (VANETs)
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Identifikatorer
URN: urn:nbn:se:hh:diva-29245DOI: 10.1109/TVT.2015.2479942ISI: 000367547700016Scopus ID: 2-s2.0-84959213421OAI: oai:DiVA.org:hh-29245DiVA, id: diva2:847322
Projekt
CLIMBERCROWNACDC
Forskningsfinansiär
EU, FP7, Sjunde ramprogrammet, PIRSES-GA-2012-318939EU, FP7, Sjunde ramprogrammet, PIRSES-GA-2013-627490KK-stiftelsen
Anmärkning

This work is supported by the National Natural Science Foundation of China (61374189), the Information Technology Research Projects of Ministry of Transport of China (2014364X14040), the Fundamental Research Funds for the Central Universities (ZYGX2013J009), the EU FP7 Project CLIMBER (PIRSES-GA-2012-318939), the projects 240079/F20 funded by the Research Council of Norway, the EU FP7 Project CROWN (grant no. PIRSES-GA-2013-627490) and the ACDC project funded by the Knowledge Foundation in Sweden.

Tillgänglig från: 2015-08-19 Skapad: 2015-08-19 Senast uppdaterad: 2017-12-04Bibliografiskt granskad

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Vinel, AlexeyJonsson, Magnus
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