×

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

DC CAFC
  • US 6,430,395 B2
  • Filed: 02/16/2001
  • Issued: 08/06/2002
  • Est. Priority Date: 04/07/2000
  • Status: Expired due to Term
First Claim
Patent Images

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.

View all claims
  • 2 Assignments
Timeline View
Assignment View
    ×
    ×