A static network level model for the information propagation in vehicular ad hoc networks

Research output: Contribution to journalResearch articleContributedpeer-review


  • Man Wo Ng - , University of Texas at Austin (Author)
  • S. Travis Waller - , University of Texas at Austin (Author)


In this paper, we present a network level model to describe the information propagation in vehicular ad hoc networks (VANETs). The approach utilizes an existing one-dimensional propagation model to evaluate information travel times on the individual arcs of the network. Traffic flow characteristics are evaluated by a static traffic assignment model. Upper and lower bounds are developed for the time of information propagation between two nodes in a network. We show that the bounds yield good (typically within 5%) estimates of the true time lag for the lower penetration rates (<10%), which makes them particularly useful in the initial deployment stages of vehicle-to-vehicle (V2V) communication. Furthermore, our lower bound reveals that - quite surprisingly - for sufficiently low penetration rates, more equipped vehicles on the road does not necessarily promote the fast propagation of information. As an application of the bounds, we formulate a resource allocation model in which communication devices can be installed along roads to promote wireless propagation. A set of efficient heuristic algorithms is developed to solve the resource allocation problem. Numerical results are given throughout.


Original languageEnglish
Pages (from-to)393-407
Number of pages15
JournalTransportation Research Part C: Emerging Technologies
Issue number3
Publication statusPublished - Jun 2010
Externally publishedYes

External IDs

ORCID /0000-0002-2939-2090/work/141543863



  • Heuristics, Information propagation, Inter-vehicle communication, Resource allocation, V2V, VANET