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Wireless private branch exchange(wpbx) and communicating between mobile units and base stations

  • US 20040009749A1
  • Filed: 10/04/2002
  • Published: 01/15/2004
  • Est. Priority Date: 03/20/2001
  • Status: Abandoned Application
First Claim
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1. In a wireless communication system comprising at least two Base Stations, at least one Switch in communication with the Base Stations, a method of communicating between mobile units and the Base Stations comprising:

  • dividing a short-range communication protocol into a low-level protocol for performing tasks that require accurate time synchronization and a high-level protocol which does not require accurate time synchronization; and

    for each connection of a mobile unit with a Base Station, running an instance of the low-level protocol at the Base Station connected with the mobile unit and running an instance of the high-level protocol at the Switch.

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