Position location using broadcast analog television signals
First Claim
Patent Images
1. An apparatus for determining the position of a user terminal, comprising:
- a receiver adapted to receive, at the user terminal, a broadcast analog television signal; and
a pseudorange unit adapted to generate a pseudorange based on the broadcast analog television signal; and
wherein the location of the user terminal is determined based on the pseudorange and a location of the transmitter of the broadcast analog television signal.
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Accused Products
Abstract
A computer program product, apparatus, and method for determining the position of a user terminal. It includes receiving, at the user terminal, a broadcast analog television signal having a periodic component; and correlating the broadcast analog television signal with a predetermined reference signal based on the periodic component, thereby producing a pseudorange; and wherein the location of the user terminal is determined based on the pseudorange and a location of the transmitter of the broadcast analog television signal.
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Citations
44 Claims
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1. An apparatus for determining the position of a user terminal, comprising:
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a receiver adapted to receive, at the user terminal, a broadcast analog television signal; and
a pseudorange unit adapted to generate a pseudorange based on the broadcast analog television signal; and
whereinthe location of the user terminal is determined based on the pseudorange and a location of the transmitter of the broadcast analog television signal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. An apparatus for determining the position of a user terminal, comprising:
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means for receiving, at the user terminal, a broadcast analog television signal; and
means for generating a pseudorange based on the broadcast analog television signal; and
whereinthe location of the user terminal is determined based on the pseudorange and a location of the transmitter of the broadcast analog television signal. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
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23. A method for determining the position of a user terminal, comprising:
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receiving, at the user terminal, a broadcast analog television signal; and
generating a pseudorange based on the broadcast analog television signal; and
whereinthe location of the user terminal is determined based on the pseudorange and a location of the transmitter of the broadcast analog television signal. - View Dependent Claims (24, 25, 26, 27, 28, 29, 30, 31, 32, 33)
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34. Computer-readable media embodying instructions executable by a computer to perform a method for determining the position of a user terminal, the method comprising:
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receiving, at the user terminal, a broadcast analog television signal; and
generating a pseudorange based on the broadcast analog television signal; and
whereinthe location of the user terminal is determined based on the pseudorange and a location of the transmitter of the broadcast analog television signal. - View Dependent Claims (35, 36, 37, 38, 39, 40, 41, 42, 43, 44)
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Specification