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Research on Data Forwarding Algorithm Based on Link Quality in Vehicular Ad Hoc Networks

  • Xiumei Fan
  • Hanyu Cai
  • Tian Tian
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 11344)

Abstract

Vehicular ad hoc networks (VANETs) realize remote data transmission via multi-hop communications. However, high relative vehicle mobility and frequent changes of the network topology inflict new problems on forwarding data in time. As a result, the robustness of the link is crucial to VANETs. In this paper, we present an efficient routing algorithm based on link quality named DFLQ. Firstly, we determine the range of forwarding according to the traffic density and the vehicle route. Then, we can compute the time of link maintaining on the basis of the position, speed and direction of the nodes. Also, we can estimate the quality of wireless channel based on the expected transmission count. Finally, the longest link maintenance time is chosen as the relay node to forward the data. Simulation results validate that the DFLQ improves packet delivery rate, reduces end-to-end delay and network overhead to a certain extent.

Keywords

VANETs Link quality Traffic density Link maintenance time Routing algorithm 

Notes

Acknowledgments

This work was supported by Natural Science Foundation of China (No. 61272509), Beijing Natural Science Foundation (No. 4132049), Shanxi Province Hundred Talents Program, and the key research and development plan of Shaanxi province (2017ZDCXL-GY-05-01).

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Copyright information

© Springer Nature Switzerland AG 2018

Authors and Affiliations

  1. 1.Faculty of Automation and Information EngineeringXi’an University of TechnologyXi’anChina

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