Modeling and analysis of an infrastructure service request queue in multichannel V2I communications

Maurice Khabbaz, Mazen Hasna, Chadi M. Assi, Ali Ghrayeb

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

This paper presents a concise yet comprehensive description of a multichannel vehicle-to-infrastructure communication system. Existing mathematical models for such a system overlook some of its essential behavioral characteristics such as the reneging, force termination, and, ultimately, blocking of service requests (SRs). Thus, the reported performance results obtained from these models seem to be unrealistically overoptimistic. Accordingly, in this paper, a multiserver queueing model is proposed for the purpose of accurately capturing the dynamics of the aforementioned communication system and evaluating its performance. The proposed model is renowned for its complexity and the nonexistence of closed-form analytical expressions that characterize its fundamental performance metrics. Hence, approximations were exploited as a means to enhance this model's mathematical tractability. Simulations are conducted in the context of a realistic scenario with the objective of validating the proposed approximate model, verifying its accuracy, and characterizing the system's performance in terms of several new metrics. The simulations' results indicate a cataclysmic SR blocking probability in the range of 65%-85%.

Original languageEnglish
Article number6698372
Pages (from-to)1155-1167
Number of pages13
JournalIEEE Transactions on Intelligent Transportation Systems
Volume15
Issue number3
DOIs
Publication statusPublished - 2014

Fingerprint

Communication
Communication systems
Mathematical models
Blocking probability

Keywords

  • IEEE 1609.4
  • IEEE 802.11p
  • infrastructure
  • modeling
  • multichannel
  • performance evaluation
  • queueing
  • vehicle-to-infrastructure (V2I)
  • vehicular

ASJC Scopus subject areas

  • Automotive Engineering
  • Computer Science Applications
  • Mechanical Engineering

Cite this

Modeling and analysis of an infrastructure service request queue in multichannel V2I communications. / Khabbaz, Maurice; Hasna, Mazen; Assi, Chadi M.; Ghrayeb, Ali.

In: IEEE Transactions on Intelligent Transportation Systems, Vol. 15, No. 3, 6698372, 2014, p. 1155-1167.

Research output: Contribution to journalArticle

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