Empowered by wireless communication

  • Fekete S
  • Schmidt C
  • Wegener A
 et al. 
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In recent years, tremendous progress has been made in understanding the dynamics of vehicle traffic flow and traffic congestion by interpreting traffic as a multiparticle system. This helps to explain the onset and persistence of many undesired phenomena, for example, traffic jams. It also reflects the apparent helplessness of drivers in traffic, who feel like passive particles that are pushed around by exterior forces; one of the crucial aspects is the inability to communicate and coordinate with other traffic participants. We present distributed methods for solving these fundamental problems, employing modern wireless, ad-hoc, multi-hop networks. The underlying idea is to use these capabilities as the basis for self-organizing methods for coordinating data collection and processing, recognizing traffic phenomena, and changing their structure by coordinated behavior. The overall objective is a multi- level approach that reaches from protocols for local wireless communication, data dissemination, pattern recognition, over hierarchical structuring and coordinated behavior, all the way to large- scale traffic regulation. In this article, we describe three types of results: (i) self-organizing and distributed methods formaintaining and collecting data (using our concept of Hovering Data Clouds); (ii) adaptive data dissemination for traffic information systems; (iii) methods for self-recognition of traffic jams. We conclude by describing higher-level aspects of our work.

Author-supplied keywords

  • Hovering Data Clouds
  • Organic Information Complexes
  • Organic computing
  • pattern recognition
  • self-organizing sys- tems
  • traffic
  • traffic jams

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  • Sándor P. Fekete

  • Christiane Schmidt

  • Axel Wegener

  • Horst Hellbrück

  • Stefan Fischer

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