Preventing unfairness in the ETSI distributed congestion control

Seungho Kuk, Hyogon Kim

Research output: Contribution to journalArticlepeer-review

20 Citations (Scopus)


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.

Original languageEnglish
Article number6807701
Pages (from-to)1222-1225
Number of pages4
JournalIEEE Communications Letters
Issue number7
Publication statusPublished - 2014 Jul


  • V2V communication
  • congestion control
  • fairness
  • proximity awareness

ASJC Scopus subject areas

  • Modelling and Simulation
  • Computer Science Applications
  • Electrical and Electronic Engineering


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