Wireless network assisted GPS system
First Claim
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1. A method of locating a mobile communications device, the method comprising:
- receiving GPS data from a base station at said mobile communications device, andsending the data from said mobile communications device to an applications processor,wherein the applications processor is adapted to calculate the location of the mobile communications device based upon said data sent from said base station in combination with GPS data not sent from said base station, andwherein said mobile communications device receives from said base station information identifying specific satellites to be used for location of said mobile communications device.
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Abstract
A method and apparatus for locating a mobile communications device such as a cell phone includes apparatus for communicating with base stations and apparatus for communicating with satellites. Signals received from satellites and the base stations are combined to provide the necessary information to calculate the location of the mobile communications device.
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Citations
27 Claims
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1. A method of locating a mobile communications device, the method comprising:
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receiving GPS data from a base station at said mobile communications device, and sending the data from said mobile communications device to an applications processor, wherein the applications processor is adapted to calculate the location of the mobile communications device based upon said data sent from said base station in combination with GPS data not sent from said base station, and wherein said mobile communications device receives from said base station information identifying specific satellites to be used for location of said mobile communications device. - View Dependent Claims (2)
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3. A method of locating a mobile communications device, the method comprising:
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receiving by the mobile communications device first information from base stations and second information from one or more satellites, and combining such information in a manner to locate said device, wherein the mobile device first transmits to at least one base station a request that the base station provide the mobile device with third information needed to obtain the second information from the satellites, and wherein the mobile communications device uses said first and second information to ascertain its location. - View Dependent Claims (4)
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5. A method of locating a mobile device comprising:
transmitting an instruction to a mobile device to instruct the mobile device to receive signals from one or more particular satellites, wherein said signals received from said satellites are to be used to locate said device. - View Dependent Claims (6, 7, 8)
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9. Apparatus for use with a mobile communications device, said apparatus for locating said mobile communications device, said apparatus comprising:
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a transmitter to transmit a request to a base station, a receiver to receive information from said base station in response to said request, said information being of assistance in locating said mobile communications device, and a second receiver to receive information from satellites to assist in locating said mobile communications device, wherein said mobile communications device is to receive, in response to a request from said mobile communications device, a numerical sequence or identification of said numerical sequence to be used by said mobile communications device in de-spreading or decoding information to be received from at least one satellite. - View Dependent Claims (10, 11, 12, 13, 14)
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15. A method of locating a mobile device, said method comprising:
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receiving, from one or more base stations, first information to said mobile device, and utilizing at said mobile device said first information to assist said mobile device in acquiring second information from at least one satellite to facilitate locating said mobile device, wherein additional information from at least one base station is to be used in combination with said second information to locate said device. - View Dependent Claims (16, 17)
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18. A method of locating a mobile communications device, the method comprising:
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sending GPS data from a base station to said mobile communications device, receiving the GPS data from said mobile communications device at an applications processor, and calculating, at the applications processor, a location of the mobile communications device based upon said GPS data sent from said base station in combination with GPS data not sent from said base station, and wherein said base station sends to said mobile communications device information identifying specific satellites to be used for location of said mobile communications device. - View Dependent Claims (19)
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20. A method of locating a mobile device, said method comprising:
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transmitting, from one or more base stations, first information to said mobile device, said first information to be utilized at said mobile device to assist said mobile device in acquiring second information from at least one satellite to facilitate locating said mobile device, wherein additional information from at least one base station is to be used in combination with said second information to locate said device. - View Dependent Claims (21, 22)
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23. A wireless communication system to locate a mobile communication device, the system comprising:
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one or more base stations, at least one base station to transmit first information to said mobile communication device, said first information including timing information from at least one base station; and an applications processor to receive second information from said mobile communication device and to use at least said second information to locate said mobile communication device, wherein said second information includes at least one item of information selected from the group consisting of; said first information; and information obtained using at Least one satellite; and wherein, if said information includes said first information, the applications processor uses at least one item of further information in combination with said first information to locate said mobile communication device. - View Dependent Claims (24, 25, 26, 27)
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Specification