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Coupled vehicle and information flows: Message transport on a dynamic vehicle network

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  • Schönhof, Martin
  • Kesting, Arne
  • Treiber, Martin
  • Helbing, Dirk

Abstract

A freeway with vehicles transmitting traffic-related messages via short-range broadcasting is a technological example of coupled material and information flows in complex networks: information on traffic flows is propagated via a dynamically changing ad hoc network based on local interactions. As vehicle and information propagation occur on similar time scales, the network dynamics strongly influences message propagation, which is done by the movement of nodes (cars) and by hops between nearby nodes: two cars within the limited broadcast range establish a dynamic link. Using the cars of the other driving direction as relay stations, the weak connectivity within one driving direction when the density of equipped cars is small can be overcome. By analytical calculation and by microscopic simulation of freeway traffic with a given percentage of vehicles equipped for inter-vehicle communication, we investigate how the equipment level influences the efficiency and velocity of information propagation. By simulating the formation of a typical traffic jam, we show how the non-local information about bottlenecks and jam fronts can travel upstream and reach potential users.

Suggested Citation

  • Schönhof, Martin & Kesting, Arne & Treiber, Martin & Helbing, Dirk, 2006. "Coupled vehicle and information flows: Message transport on a dynamic vehicle network," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 363(1), pages 73-81.
    • Handle: RePEc:eee:phsmap:v:363:y:2006:i:1:p:73-81
    DOI: 10.1016/j.physa.2006.01.057
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    References listed on IDEAS

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    1. Krause, Wolfram & Glauche, Ingmar & Sollacher, Rudolf & Greiner, Martin, 2004. "Impact of network structure on the capacity of wireless multihop ad hoc communication," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 338(3), pages 633-658.
    2. Krause, Wolfram & Scholz, Jan & Greiner, Martin, 2006. "Optimized network structure and routing metric in wireless multihop ad hoc communication," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 361(2), pages 707-723.
    3. Krbalek, Milan & Helbing, Dirk, 2004. "Determination of interaction potentials in freeway traffic from steady-state statistics," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 333(C), pages 370-378.
    4. Glauche, Ingmar & Krause, Wolfram & Sollacher, Rudolf & Greiner, Martin, 2003. "Continuum percolation of wireless ad hoc communication networks," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 325(3), pages 577-600.
    5. Glauche, Ingmar & Krause, Wolfram & Sollacher, Rudolf & Greiner, Martin, 2004. "Distributive routing and congestion control in wireless multihop ad hoc communication networks," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 341(C), pages 677-701.
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    Cited by:

    1. Davis, L.C., 2012. "Mitigation of congestion at a traffic bottleneck with diversion and lane restrictions," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 391(4), pages 1679-1691.
    2. Davis, L.C., 2016. "Improving traffic flow at a 2-to-1 lane reduction with wirelessly connected, adaptive cruise control vehicles," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 451(C), pages 320-332.
    3. Davis, L.C., 2017. "Dynamic origin-to-destination routing of wirelessly connected, autonomous vehicles on a congested network," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 478(C), pages 93-102.
    4. Lili Du & Satish Ukkusuri, 2010. "The Relative Mobility of Vehicles Improves the Performance of Information Flow in Vehicle Ad Hoc Networks," Networks and Spatial Economics, Springer, vol. 10(2), pages 209-240, June.
    5. Ngoduy, D. & Hoogendoorn, S.P. & Liu, R., 2009. "Continuum modeling of cooperative traffic flow dynamics," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 388(13), pages 2705-2716.
    6. Jin, Wen-Long & Recker, Wilfred W. & Wang, Xiubin B., 2016. "Instantaneous multihop connectivity of one-dimensional vehicular ad hoc networks with general distributions of communication nodes," Transportation Research Part B: Methodological, Elsevier, vol. 91(C), pages 159-177.

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