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Device and method for automatically building database for home zone service

  • US 6,721,755 B1
  • Filed: 08/04/2000
  • Issued: 04/13/2004
  • Est. Priority Date: 08/04/1999
  • Status: Expired due to Term
First Claim
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1. A device for building a database for a home zone service in a mobile communication system having a plurality of base stations, comprising:

  • a memory means having an address location database for storing a predetermined latitude and longitude information corresponding to an address of a client, and a zone database for storing a predetermined home zone information corresponding to said latitude and longitude information;

    a client registration processor for generating a client database in said memory means upon receiving the address of said client; and

    , a database processor for searching said address location database for said latitude and longitude corresponding to the address of said client, for searching said zone database for said home zone information corresponding to said searched latitude and longitude, and for generating a home zone database in said memory means to store said searched home zone information, wherein said home zone information includes an identification number and a sector identification number of a base station, and a minimum round trip delay and a maximum round trip delay values for defining boundary of said home zone service.

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