On the characteristics of routing paths and the performance of routing protocols in vehicle-formed mobile ad hoc networks on highways

Shie-Yuan Wang, C. L. Chou, C. C. Lin

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

Recently, intelligent transportation systems (ITS) is becoming an important research topic. One goal of ITS is to exchange information among vehicles in a timely and efficient manner. In the ITS research community, inter-vehicle communications (IVC) is considered a way that may be able to achieve this goal. An information network built on the top of vehicles using IVC can be viewed as a type of mobile ad hoc networks (MANETs). In the past, several unicast routing protocols for MANET have been proposed. However, most of them are designed for general MANETs rather than for IVC networks. In this paper, we first used more realistic vehicle mobility traces generated by a microscopic traffic simulator (VISSIM) to understand the characteristics of routing paths in an IVC network. Based on the insights gained from the derived path characteristics, we designed and implemented an intelligent flooding-based routing protocol for small-scale IVC networks. Via several field trials conducted on highways, we compared the performance of ad hoc on-demand distance vector (AODV) and our protocol. Our experimental results show that (1) our protocol outperforms AODV greatly in IVC networks and (2) our protocol can provide text, image, audio, and video services for small-scale IVC networks (e.g., a platoon) quite well.

Original languageEnglish
Pages (from-to)270-291
Number of pages22
JournalWireless Communications and Mobile Computing
Volume10
Issue number2
DOIs
StatePublished - 1 Feb 2010

Keywords

  • Intelligent transportation systems
  • Inter-vehicle communication
  • Mobile ad hoc networks

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