Paging a mobile station within a public land mobile network (PLMN)
First Claim
Patent Images
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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Accused Products
Abstract
A first location update is performed whenever a mobile station enter a particular location area. Thereafter, in the even that the mobile station enters a designated home zone within the location area, a second location update is again performed to inform the serving mobile switching center (MSC) that the mobile station is currently located within the designated home zone. All paging messages for subsequent incoming calls are then broadcasted only within the cell areas associated with the designated home zone.
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Citations
17 Claims
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1. A method for paging a mobile station within a mobile coverage area, said method comprising the steps of:
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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. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A telecommunications node for paging a mobile station within a mobile coverage area, comprising:
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means for designating a location area within said mobile coverage area, wherein said location area is smaller in size than said mobile coverage area; means for designating a home zone area for said mobile station, wherein said home zone area is located within said location area and smaller in size than said location area; means for storing at least one home zone area identifier in said mobile station; means for 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; means for 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; means for receiving an incoming call setup message towards said mobile station; means for determining whether said mobile station is currently located within said home zone area; means for paging said mobile station only within said home zone area when said mobile station is located within said location area and is identified as being within said home zone area; and means for paging said mobile station within said location area when said mobile station is located within said location area and is identified as not being within said home zone area. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16, 17)
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Specification