Dynamic route diversion in vehicular networks

Yao H. Ho, Ai Hua Ho, Kien A. Hua

Research output: Chapter in Book/Report/Conference proceedingConference contribution

5 Citations (Scopus)


In vehicular ad hoc networks in a city environment, communication connections need to adapt to fast moving nodes (e.g., vehicles on streets) and large obstacles (e.g., office buildings). Fast moving nodes results in frequent topology changes. Large buildings surrounded by relative narrow streets allow only a short window of communication among nodes. Early solutions address this fundamental requirement by employing techniques that can reconnect a broken link quickly with low overhead. This strategy, however, cannot cope with a high frequency of broken links in a vehicular environment. To address this problem, a few connectionless-oriented techniques, e.g., Connectionless Approach for Vehicular Networks, have emerged. These schemes rely on any mobile host along the general direction towards the destination node to help forward the data packets. Extensive simulation results have shown that these methods are more robust, and perform significantly better than connection-oriented techniques. The current connectionless method, however, may suffer from packet drops since traffic congestion is not considered in the packet forwarding policy. We address this weakness, in this paper, by adapt the Connectionless Approach for Vehicular Networks with collision avoidance routing technique; and give simulation results, based on GloMoSim, to illustrate their performance advantage.

Original languageEnglish
Title of host publication2008 International Conference on Telecommunications, ICT
Publication statusPublished - 2008
Externally publishedYes
Event2008 International Conference on Telecommunications, ICT - St. Petersburg, Russian Federation
Duration: 2008 Jun 162008 Jun 19

Publication series

Name2008 International Conference on Telecommunications, ICT


Other2008 International Conference on Telecommunications, ICT
Country/TerritoryRussian Federation
CitySt. Petersburg

ASJC Scopus subject areas

  • Computer Networks and Communications
  • Signal Processing
  • Electrical and Electronic Engineering


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