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Improved Time to Connect for Bluetooth
Responsible organisation
2005 (English)Conference paper, (Refereed) Published
Abstract [en]

Bluetooth has from its beginning used Frequency Hopping (FH) from version 1.0A to the current version 1.2. The so-called selection box uses a complex scheme to calculate the next correct frequency in time. This makes transmissions between Bluetooth devices both robust and secure. Several attempts have been carried out to improve the time to connect, due to the relatively high time to connect given by the Bluetooth specification. Many have not fully understood the FH for Bluetooth and have therefore suggested sub-optimized solutions to improve the time to connect. In this paper, a presentation of the problem that causes the poor time to connect performance is given. This knowledge is needed for an improvement of the time to connect for Bluetooth. To accomplish a reduction of the time to connect by a factor of 100, three main parameters have to be changed: First, the A-train and B-train should be switched directly after each other. Second, the phase should be switched faster, which is based on the clock. Finally, a reduction of the random backoff parameter needs to be considered. These changes, together with other parameters, like time out values, have to be changed/reduced accordingly. Together with these changed parameters a simulation of the time to connect for Bluetooth is presented.

Place, publisher, year, edition, pages
Athens, 2005.
Keyword [en]
Bluetooth, Frequency Hopping
National Category
Telecommunications
Identifiers
URN: urn:nbn:se:bth-9962Local ID: oai:bth.se:forskinfo6140797201ECB46AC1257045002ACF26OAI: oai:DiVA.org:bth-9962DiVA: diva2:837966
Conference
9th WSEAS International Conference on Communications
Available from: 2012-09-18 Created: 2005-07-21 Last updated: 2015-06-30Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
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More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf