Position location using broadcast digital television signals comprising pseudonoise sequences
First Claim
Patent Images
1. A user terminal comprising:
- a receiver adapted to receive, at the user terminal, a broadcast digital television signal transmitted by a television transmitter and comprising a pseudo-noise code; and
a controller adapted to generate a pseudorange based on the pseudo-noise code;
wherein the location of the user terminal is determined based on the pseudorange and a location of the telelvision transmitter.
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Accused Products
Abstract
A user terminal comprises a receiver adapted to receive, at the user terminal, a broadcast digital television signal transmitted by a television transmitter and comprising a pseudo-noise code; and a controller adapted to generate a pseudorange based on the pseudo-noise code; wherein the location of the user terminal is determined based on the pseudorange and a location of the television transmitter.
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Citations
38 Claims
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1. A user terminal comprising:
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a receiver adapted to receive, at the user terminal, a broadcast digital television signal transmitted by a television transmitter and comprising a pseudo-noise code; and
a controller adapted to generate a pseudorange based on the pseudo-noise code;
wherein the location of the user terminal is determined based on the pseudorange and a location of the telelvision transmitter. - View Dependent Claims (2, 3, 4, 5)
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6. A user terminal comprising:
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a receiver adapted to receive, at the user terminal, a broadcast digital television signal transmitted by a television transmitter and comprising a pseudonoise code; and
a controller adapted to generate a pseudorange based on the broadcast digital television signal, and to identify the television transmitter based on the pseudonoise code;
wherein the location of the user terminal is determined based on the pseudorange and a location of the identified telelvision transmitter. - View Dependent Claims (7, 8, 9, 10, 11)
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12. A user terminal comprising:
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receiver means for receiving, at the user terminal, a broadcast digital television signal transmitted by a television transmitter and comprising a pseudo-noise code; and
controller means for generating a pseudorange based on the pseudo-noise code;
wherein the location of the user terminal is determined based on the pseudorange and a location of the telelvision transmitter. - View Dependent Claims (13, 14, 15)
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16. A user terminal comprising:
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receiver means for receiving, at the user terminal, a broadcast digital television signal transmitted by a television transmitter and comprising a pseudonoise code; and
controller means for generating a pseudorange based on the broadcast digital television signal, and to identify the television transmitter based on the pseudonoise code;
wherein the location of the user terminal is determined based on the pseudorange and a location of the identified telelvision transmitter. - View Dependent Claims (17, 18, 19, 20)
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21. A method comprising:
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receiving, at a user terminal, a broadcast digital television signal transmitted by a television transmitter and comprising a pseudo-noise code; and
generating a pseudorange based on the pseudo-noise code;
wherein the location of the user terminal is determined based on the pseudorange and a location of the telelvision transmitter. - View Dependent Claims (22, 23, 24)
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25. A method comprising:
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receiving, at a user terminal, a broadcast digital television signal transmitted by a television transmitter and comprising a pseudonoise code;
generating a pseudorange based on the broadcast digital television signal; and
identifying the television transmitter based on the pseudonoise code;
wherein the location of the user terminal is determined based on the pseudorange and a location of the identified telelvision transmitter. - View Dependent Claims (26, 27, 28, 29)
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30. Computer-readable media embodying instructions executable by a computer to perform a method comprising:
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receiving, at a user terminal, a broadcast digital television signal transmitted by a television transmitter and comprising a pseudo-noise code; and
generating a pseudorange based on the pseudo-noise code;
wherein the location of the user terminal is determined based on the pseudorange and a location of the telelvision transmitter. - View Dependent Claims (31, 32, 33)
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34. Computer-readable media embodying instructions executable by a computer to perform a method comprising:
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receiving, at a user terminal, a broadcast digital television signal transmitted by a television transmitter and comprising a pseudonoise code;
generating a pseudorange based on the broadcast digital television signal;
identifying the television transmitter based on the pseudonoise code;
wherein the location of the user terminal is determined based on the pseudorange and a location of the identified telelvision transmitter. - View Dependent Claims (35, 36, 37, 38)
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Specification