Enhanced Multi-hop Vehicular Broadcast (MHVB) for active safety applications

  • Mariyasagayam M
  • Osafune T
  • Lenardi M
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Abstract

This paper, focuses on the "enhancement" of multi- hop vehicular broadcast (MHVB). The protocol is fundamentally a flooding algorithm with special characteristics in order to efficiently disseminate information such as the positions and the velocities of the vehicles for the sake of active safety applications. The main purpose of this paper is to show the performance improvements obtained by adding more special characteristics to the existing version of MHVB. The enhancement procedure is carried out in two steps: by changing the shape of the backfire region in the algorithm and by introducing a new Dynamic Scheduling algorithm which prioritizes the packet transmission based upon "processing" of the received packets from the other vehicles. The key point in the proposal made to enhance the broadcast protocol is the balance between the application requirement and the performance of the protocol.

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Authors

  • M. N. Mariyasagayam

  • T. Osafune

  • M. Lenardi

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