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A Fast-Recovery Algorithm for Scatternet Reformation in Bluetooth Networks

  • Journal of The Korea Society of Computer and Information
  • Abbr : JKSCI
  • 2007, 12(6), pp.251~260
  • Publisher : The Korean Society Of Computer And Information
  • Research Area : Engineering > Computer Science

장범 1 구명모 2 KimSangBok 1

1경상대학교
2진주산업대학교

Accredited

ABSTRACT

A Bluetooth ad hoc network can be formed by interconnecting piconets into scatternet. Many algorithms of scatternet formation have been proposed so far. However, these have a problem that takes a long time to reform scatternet, especially for the case of master moving out. In this paper, we propose a Fast-Recovery algorithm, which aims at reducing the time of scatternet reformation owing to master moving out. In the algorithm, we select a slave with the weigh similar to its master as Sub-Master from a piconet device table created by the master. When a master leaves its piconet is detected by its slaves, the Sub-Master becomes the new master of the piconet instead of the old and directly connect to other slaves and bridge(s) through piconet device table in page state.

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