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Paging a mobile station within a public land mobile network (PLMN)

  • US 5,960,356 A
  • Filed: 12/06/1996
  • Issued: 09/28/1999
  • Est. Priority Date: 12/06/1996
  • Status: Expired due to Term
First Claim
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1. A method for paging a mobile station within a mobile coverage area, said method comprising the steps of:

  • designating a location area within said mobile coverage area, said location area being smaller in size than said mobile coverage area;

    designating a home zone area for said mobile station, said home zone area being located within said location area and being smaller in size than said location area;

    storing at least one home zone area identifier in said mobile station;

    causing said mobile station to register with a mobile switching center (MSC) associated with said location area upon entering said location area and upon leaving said location area;

    causing said mobile station to further register with said mobile switching center (MSC) upon entering said home zone area and upon leaving said home zone area, as determined by said mobile station using said home zone area identifier;

    receiving an incoming call setup message at a telecommunications node serving said mobile coverage area;

    if said mobile station is registered with said mobile switching center (MSC) as being located within said location area and is identified as being within said home zone area, then paging said mobile station of an incoming call only within said home zone area;

    if said mobile station is registered with said mobile switching center (MSC) as being located within said location area and is identified as not being within said home zone area, then paging said mobile station within said location area.

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