Method and device for providing the location of a mobile station
First Claim
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1. A method for providing the geographic location of a mobile device in a first cellular communication network to a second cellular communication network, based on the geographic location of the base station of said first network to which said mobile device is currently connected, comprising the steps of:
- said first network providing encrypted geographic location information with regard to at least one of the base stations of said first network to said mobile device;
said first network providing the identity of the base station to which said mobile device is currently connected to said mobile device and information necessary to decrypt said encrypted geographic location information to said second network;
said mobile device determining the geographic location of the base station to which said mobile device is currently connected;
said mobile device providing said encrypted geographic location information of the base station to which said mobile device is connected to said second network, and said second network decrypting said encrypted geographic location information using said information necessary to decrypt.
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Abstract
The present invention provides a solution for providing the location of a mobile device connected to a first mobile network to a second mobile network. A mobile device receives information about the geographic location of the base stations in its neighborhood. Based on the identity of the base station the device is connected to the device can determine its geographic location and provide that to the second mobile network.
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Citations
9 Claims
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1. A method for providing the geographic location of a mobile device in a first cellular communication network to a second cellular communication network, based on the geographic location of the base station of said first network to which said mobile device is currently connected, comprising the steps of:
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said first network providing encrypted geographic location information with regard to at least one of the base stations of said first network to said mobile device; said first network providing the identity of the base station to which said mobile device is currently connected to said mobile device and information necessary to decrypt said encrypted geographic location information to said second network; said mobile device determining the geographic location of the base station to which said mobile device is currently connected; said mobile device providing said encrypted geographic location information of the base station to which said mobile device is connected to said second network, and said second network decrypting said encrypted geographic location information using said information necessary to decrypt. - View Dependent Claims (2, 3, 4, 5)
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6. A mobile device for providing its geographic location in a first cellular communication network to a second cellular communication network, said first network providing an encrypted geographic location of the base station of said first network to which said mobile device is currently connected and providing information necessary to decrypt said encrypted geographic information to said second network, the device comprising:
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means for receiving and storing said encrypted geographic location information with regard to at least one of the base stations of said first network; means for receiving from said first network the identity of the base station to which said mobile device is currently connected; means for determining the geographic location of the base station to which said mobile device is currently connected; means for providing said encrypted geographic location information of the base station to which said mobile device is connected to said second network. - View Dependent Claims (7, 8, 9)
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Specification