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Connectivity-Sensed Routing Protocol for Vehicular Ad Hoc Networks: Analysis and Design

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  • Changle Li
  • Mengmeng Wang
  • Lina Zhu

Abstract

With the fast development of vehicular ad hoc networks (VANETs), various VANET applications, especially safety and infotainment service, have stronger requirements for reliable network connectivity. Intermittent connectivity has become a thorny problem in VANETs, which causes unreliable vehicle to vehicle (V2V) connection due to high vehicle mobility. In this paper, we have studied the network connectivity using a stochastic analysis model and then we prove average intervehicle distance influences VANET connectivity greatly. Based on our analysis, we propose a connectivity-sensed routing protocol (CSR) for VANETs in urban scenario. CSR utilizes vehicle distribution information collected by intersection infrastructure to help vehicles select a road not only with progress to destination but also with better network connectivity. Moreover, simulation results demonstrate that the CSR protocol achieves much lower end-to-end delay, higher delivery rate, and higher throughput than traditional routing protocols.

Suggested Citation

  • Changle Li & Mengmeng Wang & Lina Zhu, 2015. "Connectivity-Sensed Routing Protocol for Vehicular Ad Hoc Networks: Analysis and Design," International Journal of Distributed Sensor Networks, , vol. 11(8), pages 649037-6490, August.
    • Handle: RePEc:sae:intdis:v:11:y:2015:i:8:p:649037
    DOI: 10.1155/2015/649037
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