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Radio communications device and method

  • US 5,943,333 A
  • Filed: 07/01/1996
  • Issued: 08/24/1999
  • Est. Priority Date: 08/06/1994
  • Status: Expired due to Term
First Claim
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1. A method of handoff from a first time discontinuous system to a second time discontinuous system by a radio communications device comprising the steps of,establishing a call with a remote user via the first time discontinuous system;

  • establishing communication with the second time discontinuous system while continuing the call via the first time discontinuous system during a handoff period;

    invoking a contention scheme to determine which of the first and second time discontinuous systems is in communication with the remote user during the handoff period; and

    handing off from the first to the second time discontinuous system whilst maintaining the call to the remote user via the second time discontinuous system, wherein the contention scheme manages the communications activities of the device during the handoff period such that contention between the communication of the first and the second time discontinuous systems is substantially resolved and the call is maintained.

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