A mobicast routing protocol with carry-and-forward in vehicular ad hoc networks

Yuh Shyan Chen*, Yun-Wei Lin

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

20 Scopus citations

Abstract

In vehicular networks, safety and comfort applications are two quite different kinds of applications to avoid the emergency traffic accident and enjoy the non-emergency entertainment. The comfort application drives the challenges of new non-emergency entertainments for vehicular ad hoc networks (VANETs). The comfort application usually keeps the delay-tolerant capability; that is, messages initiated from a specific vehicle at timet can be delivered through VANETs to some vehicles within a given constrained delay time λ. In this paper, we investigate a new mobicast protocol to support comfort applications for a highway scenario in VANETs. All vehicles are located in a geographic zone (denoted as zone of relevance (ZOR)) at timet; the mobicast routing must disseminate the data message initiated from a specific vehicle to all vehicles that have ever appeared in ZOR at timet. This data dissemination must be performed before timet C λ through the carry-and-forward technique. In addition, the temporary network fragmentation problem is considered in our protocol design. Also, the low degree of channel utilization is kept to reserve the resource for safety applications. To illustrate the performance achievement, simulation results are examined in terms of message overhead, dissemination success rate, and accumulative packet delivery delay.

Original languageEnglish
Pages (from-to)1416-1440
Number of pages25
JournalInternational Journal of Communication Systems
Volume27
Issue number10
DOIs
StatePublished - 1 Oct 2014

Keywords

  • Carry-and-forward
  • Mobicast
  • Routing
  • Vehicular ad hoc network

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