Using digital television broadcast signals to provide GPS aiding information
First Claim
1. An apparatus for providing satellite positioning system aiding information to a satellite positioning system receiver configured to determine the position of the satellite positioning system receiver using the satellite positioning system aiding information and the propagation time of a signal transmitted by a satellite in the satellite positioning system, the apparatus comprising:
- a second satellite positioning system receiver to receive the satellite positioning system aiding information;
a channel coder to provide a digital television signal comprising a plurality of frames, each frame comprising a plurality of data segments;
an encoder to encode the satellite positioning system aiding information as codewords;
a packet multiplexer to replace data segments within the digital television signal with the codewords; and
a transmitter to transmit the digital television signal;
wherein the satellite positioning system receiver receives the digital television signal and recovers the satellite positioning system aiding information.
6 Assignments
0 Petitions
Accused Products
Abstract
A method, apparatus, and computer-readable media for providing satellite positioning system aiding information to a satellite positioning system receiver configured to determine the position of the satellite positioning system receiver using the satellite positioning system aiding information and the propagation time of a signal transmitted by a satellite in the satellite positioning system comprises providing the satellite positioning system aiding information; providing a digital television signal comprising a plurality of frames, each frame comprising a plurality of data segments; encoding the satellite positioning system aiding information as codewords; replacing data segments within the digital television signal with the codewords; and transmitting the digital television signal; wherein the satellite positioning system receiver receives the digital television signal and recovers the satellite positioning system aiding information.
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Citations
56 Claims
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1. An apparatus for providing satellite positioning system aiding information to a satellite positioning system receiver configured to determine the position of the satellite positioning system receiver using the satellite positioning system aiding information and the propagation time of a signal transmitted by a satellite in the satellite positioning system, the apparatus comprising:
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a second satellite positioning system receiver to receive the satellite positioning system aiding information;
a channel coder to provide a digital television signal comprising a plurality of frames, each frame comprising a plurality of data segments;
an encoder to encode the satellite positioning system aiding information as codewords;
a packet multiplexer to replace data segments within the digital television signal with the codewords; and
a transmitter to transmit the digital television signal;
wherein the satellite positioning system receiver receives the digital television signal and recovers the satellite positioning system aiding information. - View Dependent Claims (2, 3, 4, 5)
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6. An apparatus for recovering satellite positioning system aiding information from a digital television signal, comprising:
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a front end to receive the digital television signal, the digital television signal comprising a plurality of frames, each frame comprising a plurality of data segments, wherein at least one data segment has been replaced by at least one codeword representing the satellite positioning system aiding information; and
a back end to select the data segments which have been replaced by codewords and to recover the satellite positioning system aiding information from the selected data segments. - View Dependent Claims (7, 8, 9)
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10. An apparatus for determining a position of a satellite positioning system receiver using a satellite positioning system, comprising:
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a front end to receive a signal transmitted by a satellite in the satellite positioning system, and to receive a digital television signal comprising a plurality of frames, each frame comprising a plurality of data segments, wherein at least one data segment has been replaced by at least one codeword representing satellite positioning system aiding information;
a back end to select the data segments which have been replaced by codewords and to recover the satellite positioning system aiding information from the selected data segments; and
a processor to determine a position of the satellite positioning system receiver based on the signal received from the satellite positioning system satellite and the satellite positioning system aiding information. - View Dependent Claims (11, 12, 13, 14)
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15. An apparatus for providing satellite positioning system aiding information to a satellite positioning system receiver configured to determine the position of the satellite positioning system receiver using the satellite positioning system aiding information and the propagation time of a signal transmitted by a satellite in the satellite positioning system, the apparatus comprising:
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second satellite positioning system receiver means for receiving the satellite positioning system aiding information;
channel coder means for providing a digital television signal comprising a plurality of frames, each frame comprising a plurality of data segments;
encoder to means for encoding the satellite positioning system aiding information as codewords;
packet multiplexer means for replacing data segments within the digital television signal with the codewords; and
transmitter means for transmitting the digital television signal;
wherein the satellite positioning system receiver receives the digital television signal and recovers the satellite positioning system aiding information. - View Dependent Claims (16, 17, 18, 19)
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20. An apparatus for recovering satellite positioning system aiding information from a digital television signal, comprising:
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front end means for receiving the digital television signal, the digital television signal comprising a plurality of frames, each frame comprising a plurality of data segments, wherein at least one data segment has been replaced by at least one codeword representing the satellite positioning system aiding information; and
back end means for selecting the data segments which have been replaced by codewords and to recover the satellite positioning system aiding information from the selected data segments. - View Dependent Claims (21, 22, 23)
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24. An apparatus for determining a position of a satellite positioning system receiver using a satellite positioning system, comprising:
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front end means for receiving a signal transmitted by a satellite in the satellite positioning system, and to receive a digital television signal comprising a plurality of frames, each frame comprising a plurality of data segments, wherein at least one data segment has been replaced by at least one codeword representing satellite positioning system aiding information;
back means for selecting the data segments which have been replaced by codewords and to recover the satellite positioning system aiding information from the selected data segments; and
processor means for determining a position of the satellite positioning system receiver based on the signal received from the satellite positioning system satellite and the satellite positioning system aiding information. - View Dependent Claims (25, 26, 27, 28)
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29. A method for providing satellite positioning system aiding information to a satellite positioning system receiver configured to determine the position of the satellite positioning system receiver using the satellite positioning system aiding information and the propagation time of a signal transmitted by a satellite in the satellite positioning system, the method comprising:
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providing the satellite positioning system aiding information;
providing a digital television signal comprising a plurality of frames, each frame comprising a plurality of data segments;
encoding the satellite positioning system aiding information as codewords;
replacing data segments within the digital television signal with the codewords; and
transmitting the digital television signal;
wherein the satellite positioning system receiver receives the digital television signal and recovers the satellite positioning system aiding information. - View Dependent Claims (30, 31, 32, 33)
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34. A method for recovering satellite positioning system aiding information from a digital television signal, comprising:
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receiving the digital television signal, the digital television signal comprising a plurality of frames, each frame comprising a plurality of data segments, wherein at least one data segment has been replaced by at least one codeword representing the satellite positioning system aiding information;
selecting the data segments which have been replaced by codewords; and
recovering the satellite positioning system aiding information from the selected data segments. - View Dependent Claims (35, 36, 37)
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38. A method for determining a position of a satellite positioning system receiver using a satellite positioning system, comprising:
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receiving at the satellite positioning system receiver a signal transmitted by a satellite in the satellite positioning system;
receiving at the satellite positioning system receiver a digital television signal comprising a plurality of frames, each frame comprising a plurality of data segments, wherein at least one data segment has been replaced by at least one codeword representing satellite positioning system aiding information;
selecting the data segments which have been replaced by codewords;
recovering the satellite positioning system aiding information from the selected data segments; and
determining a position of the satellite positioning system receiver based on the signal received from the satellite positioning system satellite and the satellite positioning system aiding information. - View Dependent Claims (39, 40, 41, 42)
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43. Computer-readable media embodying instructions executable by a computer to perform a method for providing satellite positioning system aiding information to a satellite positioning system receiver configured to determine the position of the satellite positioning system receiver using the satellite positioning system aiding information and the propagation time of a signal transmitted by a satellite in the satellite positioning system, the method comprising:
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providing the satellite positioning system aiding information;
providing a digital television signal comprising a plurality of frames, each frame comprising a plurality of data segments;
encoding the satellite positioning system aiding information as codewords;
replacing data segments within the digital television signal with the codewords; and
transmitting the digital television signal;
wherein the satellite positioning system receiver receives the digital television signal and recovers the satellite positioning system aiding information. - View Dependent Claims (44, 45, 46, 47)
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48. Computer-readable media embodying instructions executable by a computer to perform a method for recovering satellite positioning system aiding information from a digital television signal, the method comprising:
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receiving the digital television signal, the digital television signal comprising a plurality of frames, each frame comprising a plurality of data segments, wherein at least one data segment has been replaced by at least one codeword representing the satellite positioning system aiding information;
selecting the data segments which have been replaced by codewords; and
recovering the satellite positioning system aiding information from the selected data segments. - View Dependent Claims (49, 50, 51)
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52. Computer-readable media embodying instructions executable by a computer to perform a method for determining a position of a satellite positioning system receiver using a satellite positioning system, the method comprising:
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receiving at the satellite positioning system receiver a signal transmitted by a satellite in the satellite positioning system;
receiving at the satellite positioning system receiver a digital television signal comprising a plurality of frames, each frame comprising a plurality of data segments, wherein at least one data segment has been replaced by at least one codeword representing satellite positioning system aiding information;
selecting the data segments which have been replaced by codewords;
recovering the satellite positioning system aiding information from the selected data segments; and
determining a position of the satellite positioning system receiver based on the signal received from the satellite positioning system satellite and the satellite positioning system aiding information. - View Dependent Claims (53, 54, 55, 56)
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Specification