SDJS: Efficient Statistics in Wireless Networks

  • Authors:
  • Albert Krohn;Michael Beigl;Sabin Wendhack

  • Affiliations:
  • Universität Karlsruhe;Universität Karlsruhe;Universität Karlsruhe

  • Venue:
  • ICNP '04 Proceedings of the 12th IEEE International Conference on Network Protocols
  • Year:
  • 2004

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Abstract

Synchronous Distributed Jam Signalling (SDJS) is a new transmission scheme targeted to highly mobile and ad hoc wireless systems. It is based on the synchronous, parallel and superimposing emission of jam signal on the physical layer. SDJS is intended to be implemented as a feature on existing standards. It enables those system with the ability to fast estimate statistical parameters. This paper presents SDJS in general and then focuses on the application to estimate the parameter number of devices in a mobile setting. We studied SDJS and its application through a mathematical model and simulations and proved the idea in a real-world implementation on a mobile network, where we estimated the number of devices in real time (within 5ms), increasing the estimation speed compared to traditional approaches by factor 1000.