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Comprehensive mobile communications device registration method

  • US 5,629,975 A
  • Filed: 09/29/1995
  • Issued: 05/13/1997
  • Est. Priority Date: 09/20/1991
  • Status: Expired due to Term
First Claim
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1. In a cellular communication system in which a mobile station in a first coverage area registers and where said mobile station is provided location information of a first base station corresponding to said first coverage area and is provided zone information of said first base station, a method for re-registration comprising the steps of:

  • communicating to said mobile station, by a second base station corresponding to a second coverage area, location information and zone information of said second base station;

    computing at said mobile station a distance between said first base station and said second base station;

    registering by said mobile station with said second base station if said computed distance is greater than or equal to a predetermined distance value; and

    registering by said mobile station with said second base station if said zone information of said second base station is different from said zone information of said first base station.

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