System and method for locating a mobile phone
First Claim
Patent Images
1. A method for determining the location of a mobile phone, comprising:
- receiving a location request from a mobile communication system, the location request including an identification signal associated with a mobile phone and an approximate location of the mobile phone;
receiving one or more detection responses, each detection response including an orientation at which a directional antenna detects the identification signal;
determining a location of the mobile phone independent of the mobile communication system based on the detection responses;
identifying one or more directional antennas from a plurality of directional antennas;
calculating an initial orientation for each of the identified directional antennas based on the approximate location of the mobile phone; and
communicating to each of the identified directional antennas the initial orientation calculated for that particular identified directional antenna.
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Abstract
A system includes antenna control stations and a system interface. Each antenna control stations directs an orientation of an associated antenna to search for an identification signal associated with a mobile phone. The antenna control station communicates a detection response describing the orientation of the associated antenna. The system interface computes the location of the mobile phone based on the detection responses received from the antenna control stations.
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Citations
52 Claims
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1. A method for determining the location of a mobile phone, comprising:
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receiving a location request from a mobile communication system, the location request including an identification signal associated with a mobile phone and an approximate location of the mobile phone;
receiving one or more detection responses, each detection response including an orientation at which a directional antenna detects the identification signal;
determining a location of the mobile phone independent of the mobile communication system based on the detection responses;
identifying one or more directional antennas from a plurality of directional antennas;
calculating an initial orientation for each of the identified directional antennas based on the approximate location of the mobile phone; and
communicating to each of the identified directional antennas the initial orientation calculated for that particular identified directional antenna. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A method for determining the location of a mobile phone, comprising:
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receiving a detection request identifying an identification signal associated with a mobile phone, the detection request comprising an initial orientation for a directional antenna;
setting an orientation of the directional antenna based on the initial orientation;
directing the directional antenna to detect the identification signal;
determining an orientation of the directional antenna when the identification signal is detected; and
communicating the orientation to a remote location for determining the location of the mobile phone. - View Dependent Claims (8, 9, 10)
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11. A system for locating a mobile phone, comprising:
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a plurality of antenna control stations, each antenna control station associated with an antenna and each antenna control station operable to;
direct an orientation of the associated antenna;
determine whether the associated antenna detects an identification signal associated with a mobile phone at the present orientation of the associated antenna; and
communicate a detection response describing the orientation of the associated antenna when the associated antenna detects the identification signal; and
a system interface, operable to;
compute the location of the mobile phone based on the detection responses received from the antenna control stations;
receive an approximate location of the mobile phone;
identify a number of antennas from a plurality of antennas based on the approximate location;
calculate an initial orientation for each of the identified antennas based on the approximate location; and
communicate the initial orientation for each of the identified antennas to the antenna control station associated with the particular identified antenna to be used to determine a starting orientation for the particular identified antenna. - View Dependent Claims (12, 13, 14, 15, 16, 17)
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18. An apparatus for determining the location of a mobile phone, the apparatus comprising:
a system interface operable to;
receive a location request including an identification signal associated with a mobile phone and an approximate location of the mobile phone;
receive one or more detection responses, each detection response including an orientation at which a directional antenna detects the identification signal; and
determine a location of the mobile phone based on the detection responses;
identify one or more directional antennas from a plurality of directional antennas;
calculate an initial orientation for each of the identified directional antennas based on the approximate location of the mobile phone; and
communicate to each of the identified directional antennas the initial orientation calculated for that particular identified directional antenna. - View Dependent Claims (19, 20, 21, 22, 23)
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24. An apparatus for determining the location of a mobile phone, comprising:
an antenna control station operable to;
receive a detection request identifying an identification signal associated with a mobile phone and comprising an initial orientation for a directional antenna;
set an orientation of the directional antenna based on the initial orientation;
direct the directional antenna to detect the identification signal;
determine an orientation of the directional antenna when the identification signal is detected; and
communicate the orientation to a system interface to be used in determining the location of the mobile phone. - View Dependent Claims (25, 26, 27)
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28. A method for determining the location of a mobile phone, comprising:
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receiving a location request comprising an identification signal associated with a mobile phone and an approximate location of the mobile phone;
identifying one or more directional antennas from a plurality of directional antennas;
calculating an initial orientation for each of the identified directional antennas based on the approximate location of the mobile phone;
communicating to each of the identified directional antennas the initial orientation calculated for that particular identified directional antenna;
receiving one or more detection responses from one or more of the identified directional antennas, each detection response including an orientation at which a directional antenna detects the identification signal; and
determining a location of the mobile phone based on the detection responses. - View Dependent Claims (29, 30, 31, 32, 33)
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34. A computer program stored on a computer readable medium, the computer program operable to:
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receive a location request from a mobile communication system, the location request including an identification signal associated with a mobile phone and an approximate location of the mobile phone;
receive one or more detection responses, each detection response including an orientation at which a directional antenna detects the identification signal;
determine a location of the mobile phone independent of the mobile communication system based on the detection responses;
identify one or more directional antennas from a plurality of directional antennas;
calculate an initial orientation for each of the identified directional antennas based on the approximate location of the mobile phone; and
communicate to each of the identified directional antennas the initial orientation calculated for that particular identified directional antenna. - View Dependent Claims (35, 36, 37, 38, 39)
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40. A computer program for determining the location of a mobile phone, the computer program operable to:
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receive a detection request identifying an identification signal associated with a mobile phone, the detection request comprising an initial orientation for a directional antenna;
set an orientation of the directional antenna based on the initial orientation, direct the directional antenna to detect the identification signal;
determine an orientation of the directional antenna when the identification signal is detected; and
communicate the orientation to a remote location for determining the location of the mobile phone. - View Dependent Claims (41, 42, 43)
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44. A computer program for determining the location of a mobile phone, the computer program operable to:
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receive a location request comprising an identification signal associated with a mobile phone and an approximate location of the mobile phone;
identify one or more directional antennas from a plurality of directional antennas;
calculate an initial orientation for each of the identified directional antennas based on the approximate location of the mobile phone;
communicate to each of the identified directional antennas the initial orientation calculated for that particular identified directional antenna;
receive one or more detection responses from one or more of the identified directional antennas, each detection response including an orientation at which a directional antenna detects the identification signal; and
determine a location of the mobile phone based on the detection responses. - View Dependent Claims (45, 46, 47, 48, 49)
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50. A system for determining the location of a mobile phone, comprising:
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means for receiving a location request from a mobile communication system, the location request including an identification signal associated with a mobile phone and an approximate location of the mobile phone;
means for receiving one or more detection responses, each detection response including an orientation at which a directional antenna detects the identification signal;
means for determining a location of the mobile phone independent of the mobile communication system based on the detection responses;
means for identifying one or more directional antennas from a plurality of directional antennas;
means for calculating an initial orientation for each of the identified directional antennas based on the approximate location of the mobile phone; and
means for communicating to each of the identified directional antennas the initial orientation calculated for that particular identified directional antenna.
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51. A system for determining the location of a mobile phone, comprising:
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means for receiving a detection request identifying an identification signal associated with a mobile phone, the detection request comprising an initial orientation for a directional antenna;
means for setting an orientation of the directional antenna based on the initial orientation;
means for directing the directional antenna to detect the identification signal;
means for determining an orientation of the directional antenna when the identification signal is detected; and
means for communicating the orientation to a remote location for determining the location of the mobile phone.
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52. A system for determining the location of a mobile phone, comprising:
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means for receiving a location request comprising an identification signal associated with a mobile phone and an approximate location of the mobile phone;
means for identifying one or more directional antennas from a plurality of directional antennas;
means for calculating an initial orientation for each of the identified directional antennas based on the approximate location of the mobile phone;
means for communicating to each of the identified directional antennas the initial orientation calculated for that particular identified directional antenna;
means for receiving one or more detection responses from one or more of the identified directional antennas, each detection response including an orientation at which a directional antenna detects the identification signal; and
means for determining a location of the mobile phone based on the detection responses.
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Specification