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Cellular system hand-off protocol

  • US 6,138,019 A
  • Filed: 12/11/1996
  • Issued: 10/24/2000
  • Est. Priority Date: 06/28/1996
  • Status: Expired due to Term
First Claim
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1. A mobile device for use in a cellular communication system, said cellular communication system comprising a backbone and a plurality of base stations coupled thereto, said mobile device capable of communicating with said backbone via one of said plurality of base stations to which the mobile device is currently registered, said mobile device comprising:

  • wireless communication means for communicating information between said mobile device and said backbone;

    means for receiving a universal clock time based on a universal time keeper within the system hop sequence information related to other of said base stations from said one base station;

    means for storing said universal clock time and said hop sequence information;

    means for computing a communication channel at which at least one of said other base stations is expected to be, based on said universal clock time and said hop sequence information; and

    means for jumping directly to the communication channel.

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