Preventing Unfairness in the ETSI Distributed Congestion Control

The European Telecommunications Standards Institute (ETSI) framework imposes requirements on the exchange of periodic safety messages between components of intelligent transportation systems. First and foremost among these is the fair allocation of, and access to, wireless channels. The decentralize...

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Bibliographic Details
Published in:IEEE communications letters 2014-07, Vol.18 (7), p.1222-1225
Main Authors: Kuk, Seungho, Kim, Hyogon
Format: Article
Language:English
Subjects:
Applied sciences
Europe
Exact sciences and technology
Indexes
Safety
Systems, networks and services of telecommunications
Telecommunication standards
Telecommunications
Telecommunications and information theory
Teletraffic
Throughput
Transmission and modulation (techniques and equipments)
Vehicles
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Summary:The European Telecommunications Standards Institute (ETSI) framework imposes requirements on the exchange of periodic safety messages between components of intelligent transportation systems. First and foremost among these is the fair allocation of, and access to, wireless channels. The decentralized congestion control (DCC) algorithm has been standardized by ETSI to this end. However, DCC has a serious fairness problem, i.e, the beacon throughput can diverge by a factor of 100 or more, even among vehicles that are close together. In this letter, we demonstrate how the fairness problem manifests itself and propose a remedy so that DCC satisfies the fairness requirement.
ISSN:1089-7798
1558-2558
DOI:10.1109/LCOMM.2014.2320893