Position location using ghost canceling reference television signals
First Claim
Patent Images
1. An apparatus for determining the position of a user terminal, comprising:
- a receiver to receive, at the user terminal, a broadcast analog television signal comprising a chirp-type signal; and
a pseudorange unit to generate a pseudorange based on the chirp-type signal; and
wherein the location of the user terminal is determined based on the pseudorange and a location of a transmitter of the broadcast analog television signal.
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Accused Products
Abstract
A method, apparatus, and computer-readable media for determining the position of a user terminal comprises receiving, at the user terminal, a broadcast analog television signal comprising a chirp-type signal; and generating a pseudorange based on the chirp-type signal; and wherein the location of the user terminal is determined based on the pseudorange and a location of a transmitter of the broadcast analog television signal.
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Citations
24 Claims
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1. An apparatus for determining the position of a user terminal, comprising:
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a receiver to receive, at the user terminal, a broadcast analog television signal comprising a chirp-type signal; and
a pseudorange unit to generate a pseudorange based on the chirp-type signal; and
whereinthe location of the user terminal is determined based on the pseudorange and a location of a transmitter of the broadcast analog television signal. - View Dependent Claims (2, 3, 4, 5, 6)
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7. 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 comprising a chirp-type signal; and
means for generating a pseudorange based on the chirp-type signal; and
whereinthe location of the user terminal is determined based on the pseudorange and a location of a transmitter of the broadcast analog television signal. - View Dependent Claims (8, 9, 10, 11, 12)
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13. 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 comprising a chirp-type signal; and
generating a pseudorange based on the chirp-type signal; and
whereinthe location of the user terminal is determined based on the pseudorange and a location of a transmitter of the broadcast analog television signal. - View Dependent Claims (14, 15, 16, 17, 18)
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19. 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 comprising a chirp-type signal; and
generating a pseudorange based on the chirp-type signal; and
whereinthe location of the user terminal is determined based on the pseudorange and a location of a transmitter of the broadcast analog television signal. - View Dependent Claims (20, 21, 22, 23, 24)
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Specification