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ETSI DCC: Decentralized Congestion Control in C-ITS
Halmstad University, School of Information Technology, Halmstad Embedded and Intelligent Systems Research (EIS), Centre for Research on Embedded Systems (CERES).ORCID iD: 0000-0003-1460-2988
Halmstad University, School of Information Technology, Halmstad Embedded and Intelligent Systems Research (EIS), Centre for Research on Embedded Systems (CERES).ORCID iD: 0000-0003-4894-4134
Kapsch TrafficCom, Vienna, Austria.
Universitat Pompeu Fabra, Barcelona, Spain.
2018 (English)In: IEEE Communications Magazine, ISSN 0163-6804, E-ISSN 1558-1896, Vol. 56, no 12, p. 112-118Article in journal (Refereed) Published
Abstract [en]

ETSI DCC: Decentralized Congestion Control in C-ITS is a mandatory component of the 5.9 GHz ITS-G5 vehicular communication protocol stack that reduces radio channel overload, range degradation, and self interference. In this tutorial article we explain its principle, describe related ongoing standardization activities, evaluate its performance for emerging cooperative driving applications, and identify ways for improvement. We show that failure to use a proper DCC parameterization can impact negatively on the performance of cooperative vehicular applications.

Place, publisher, year, edition, pages
Piscataway: IEEE, 2018. Vol. 56, no 12, p. 112-118
Keywords [en]
Standards, Probes, Switches, Protocols, Degradation, Roads
National Category
Telecommunications Communication Systems
Identifiers
URN: urn:nbn:se:hh:diva-38342DOI: 10.1109/MCOM.2017.1700173Scopus ID: 2-s2.0-85056588784OAI: oai:DiVA.org:hh-38342DiVA, id: diva2:1263457
Funder
Knowledge FoundationELLIIT - The Linköping‐Lund Initiative on IT and Mobile CommunicationsAvailable from: 2018-11-15 Created: 2018-11-15 Last updated: 2019-01-16Bibliographically approved
In thesis
1. Performance evaluation of safety critical ITS-G5 V2V communications for cooperative driving applications
Open this publication in new window or tab >>Performance evaluation of safety critical ITS-G5 V2V communications for cooperative driving applications
2019 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

Intelligent Transport Systems (ITS) are aiming to provide innovative services related to different modes of transport and traffic management, and enable various users to be better informed and make safer, more coordinated and smarter use of transport networks. Cooperative-ITS (C-ITS) support connectivity between vehicles, vehicles and roadside infrastructure, traffic signals as well as with other road users. In order to enable vehicular communications European Telecommunication Standards Institute (ETSI) delivered ITS-G5 -- a of set of C-ITS standards. Considering the goals of C-ITS, inter-vehicle communications should be reliable and efficient.

The subject of this thesis is evaluation of the performance, efficiency, and dependability of ITS-G5 communications for cooperative driving applications support. This thesis includes eight scientific papers and extends the research area in three directions: evaluation of the performance of ITS-G5 beaconing protocols; studying the performance of ITS-G5 congestion control mechanisms; and studying the radio jamming Denial-of-Service (DoS) attacks and their detection methods.

First, an overview of currently available and ongoing standardization targeting communications in C-ACC/platooning cooperative driving applications is provided. Then, as part of the first research direction, we demonstrate via a number of studies, that the adaptive beaconing approach where message generation is coupled to the speed variation of the originating ITS-s may lead to a message synchronization effect in the time domain when vehicles follow mobility scenarios that involve cooperative speed variation. We explain in detail the cause of this phenomenon and test it for a wide range of parameters. In relation to the second problem, we, first, study the influence of different available ITS-G5 legitimate setups on the C-ACC/platooning fuel efficiency and demonstrate that proper communication setup may enhance fuel savings. Then we thoroughly study the standardization of the congestion control mechanism for ITS-G5, which will affect the operation of all cooperative driving C-ITS applications as a mandatory component. We study the influence of congestion control on application performance and give recommendations for improvement to make the congestion control to target at optimizing the applications performance metrics. In the scope of the last research direction, we propose two real-time jamming DoS detection methods. The main advantage of our detection techniques is their short learning phase that not exceed a few seconds and low detection delay of a few hundreds of milliseconds. Under some assumptions, the proposed algorithms demonstrates the ability to detect certain types of attacks with high detection probability.

Place, publisher, year, edition, pages
Halmstad: Halmstad University Press, 2019. p. 186
Series
Halmstad University Dissertations ; 53
Keywords
C-ITS, VANET, ITS-G5, IEEE 802.11p, ETSI, platooning, C-ACC, jamming Denial-of-Service attack, congestion control, cooperative awareness, security in C-ITS
National Category
Communication Systems Telecommunications
Identifiers
urn:nbn:se:hh:diva-38763 (URN)978-91-88749-15-4 (ISBN)978-91-88749-14-7 (ISBN)
Public defence
2019-01-30, Wigforssalen, Visionen, Kristian IV:s väg 3, Halmstad, 10:15 (English)
Opponent
Supervisors
Available from: 2019-01-17 Created: 2019-01-16 Last updated: 2019-01-17Bibliographically approved

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Lyamin, NikitaVinel, Alexey

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