Method and apparatus for identifying and tracking target subscribers in a universal mobile telephone system
First Claim
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1. A method for tracking a mobile device in a wireless communications system, comprising:
- establishing communications between the mobile device and a masquerading base station operating in a first mode of operation, wherein the first mode of operation uses integrity protection;
forcing the mobile device to operate in a second mode of operation, wherein the second mode of operation does not use integrity protection; and
tracking the mobile device in the second mode of operation.
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Abstract
A method is provided for tracking a mobile device in a wireless communications system. The method comprises establishing communications between the mobile device and a masquerading base station with the mobile device operating in a first mode, such as UMTS. The mobile device is urged to operate in a second mode such as GMS, and the mobile device is then tracked in the second mode of operation.
15 Citations
12 Claims
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1. A method for tracking a mobile device in a wireless communications system, comprising:
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establishing communications between the mobile device and a masquerading base station operating in a first mode of operation, wherein the first mode of operation uses integrity protection; forcing the mobile device to operate in a second mode of operation, wherein the second mode of operation does not use integrity protection; and tracking the mobile device in the second mode of operation. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method for tracking a mobile device in a wireless communications system, comprising
establishing communications between the mobile device and a masquerading base station operating in a first mode of operation, wherein the first mode of operation uses integrity protection, the mobile device communicating with a first base station in the first mode of operation; -
forcing the mobile device to operate in a second mode of operation; tracking the mobile device in the second mode of operation; and compromising the quality of the communications between the first base station and the mobile device.
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10. A method for tracking a mobile device in a wireless communications system, comprising:
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establishing communications between the mobile device and a masquerading base station operating in a first mode of operation, the mobile device communicating with a first base station in the first mode of operation; urging the mobile device to operate in a second mode of operation; tracking the mobile device in the second mode of operation; and urging the mobile device to re-select the masquerading base station. - View Dependent Claims (11, 12)
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Specification