A Self-Routing Topology for Bluetooth Scatternets

  • Authors:
  • Affiliations:
  • Venue:
  • ISPAN '02 Proceedings of the 2002 International Symposium on Parallel Architectures, Algorithms and Networks
  • Year:
  • 2002

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Abstract

The emerging Bluetooth standard is considered to be the most promising technology to construct ad-hoc networks. It contains specifications on how to build a piconet but left out the details on how to automatically construct a scatternet from the piconets. Existing solutions only discussed the scatternet formation issue without considering the ease of routing in such a scatternet. We present algorithms to embed b-trees into a scatternet which enables such a network to become self-routing. It requires only fix-sized message header and no routing table at each node regardless of the size of the scatternet. These properties make our solution scalable to deal with networks of large sizes. Our solutions are of distributed control and asynchronous. We prove that our algorithm preserves the b-tree property when devices join or leave the scatternet and when one scatternet is merged into another.