Method of control of subscriber data transmissions in a mobile communication network
First Claim
1. A subscriber data control method for a mobile communication system, comprising:
- receiving at a destination mobile switching center a request for location registration from a mobile station;
transmitting from said destination mobile switching center to a home mobile switching center a subscriber data request signal for said location registration;
judging at said home mobile switching center whether or not said home mobile switching center transmits a subscriber data to said destination mobile switching center by an indication in said subscriber data request signal, wherein said indication in said subscriber data request signal means that the transfer of said subscriber data from said home mobile switching center to said destination mobile switching center is not necessary if said destination mobile switching center is keeping said subscriber data; and
not transmitting said subscriber data from said home mobile switching center to said destination mobile switching center if said home mobile switching center judges not transmitting said subscriber data.
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Abstract
A subscriber data control method in a mobile communication network which reduces the processing load on a mobile switching center and can effectively use the resource of a visitor subscriber data area is provided. After receiving at a destination mobile switching center a request for location registration from a mobile station, a subscriber data request signal is transmitted to a home mobile switching center. Using an indication in the subscriber data request signal, the home mobile switching center judges if it is necessary to transmit subscriber data to the destination mobile switching center since the subscriber data is kept at destination mobile switching center for a predetermined period of time.
24 Citations
8 Claims
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1. A subscriber data control method for a mobile communication system, comprising:
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receiving at a destination mobile switching center a request for location registration from a mobile station; transmitting from said destination mobile switching center to a home mobile switching center a subscriber data request signal for said location registration; judging at said home mobile switching center whether or not said home mobile switching center transmits a subscriber data to said destination mobile switching center by an indication in said subscriber data request signal, wherein said indication in said subscriber data request signal means that the transfer of said subscriber data from said home mobile switching center to said destination mobile switching center is not necessary if said destination mobile switching center is keeping said subscriber data; and not transmitting said subscriber data from said home mobile switching center to said destination mobile switching center if said home mobile switching center judges not transmitting said subscriber data. - View Dependent Claims (2, 3)
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4. A mobile communication system comprising:
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a destination mobile switching center which receives a request for location registration from a mobile station and transmits a subscriber data request signal for said location registration; and a home mobile switching center which judges whether or not said home mobile switching center transmits a subscriber data to said destination mobile switching center by an indication in said subscriber data request signal and does not transmits said subscriber data if said home mobile switching center judges not transmitting said subscriber data, wherein said indication in said subscriber data request signal means that the transfer of said subscriber data from said home mobile switching center to said destination mobile switching center is not necessary if said destination mobile switching center is keeping said subscriber data. - View Dependent Claims (5, 6)
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7. A mobile communication system comprising:
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means for receiving at a destination mobile switching center a request for location registration from a mobile station; means for transmitting from said destination mobile switching center a subscriber data request signal for said location registration; and means for judging at said home mobile switching center whether or not said home mobile switching center transmits a subscriber data to said destination mobile switching center by an indication in said subscriber data request signal, wherein said indication in said subscriber data request signal means that the transfer of said subscriber data from said home mobile switching center to said destination mobile switching center is not necessary if said destination mobile switching center is keeping said subscriber data, and wherein said home mobile switching center does not transmit said subscriber data if said home mobile switching center judges not transmitting said subscriber data. - View Dependent Claims (8)
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Specification