Wide area positioning system
First Claim
1. A positioning system comprising one or more processors that:
- access ranging information, wherein the ranging information is extracted from positioning signals of a terrestrial transmitter network, and wherein the ranging information is used to measure the distance between a receiver and each of multiple transmitters in the terrestrial transmitter network; and
compute an estimated position of the receiver using atmospheric assistance data from the transmitters, atmospheric data from one or more atmospheric sensors at the receiver, and at least one of the ranging information and information extracted from signals of a satellite positioning system,wherein the estimated position is computed during an operating mode, wherein the operating mode is a first operating mode during which at least one position coordinate of the estimated position is computed by at least one processor at the receiver, or a second operating mode during which the at least one position coordinate of the estimated position is computed by at least one processor at a server.
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Accused Products
Abstract
Systems and methods are described for determining position of a receiver. The positioning system comprises a transmitter network including transmitters that broadcast positioning signals. The positioning system comprises a remote receiver that acquires and tracks the positioning signals and/or satellite signals. The satellite signals are signals of a satellite-based positioning system. A first mode of the remote receiver uses terminal-based positioning in which the remote receiver computes a position using the positioning signals and/or the satellite signals. The positioning system comprises a server coupled to the remote receiver. A second operating mode of the remote receiver comprises network-based positioning in which the server computes a position of the remote receiver from the positioning signals and/or satellite signals, where the remote receiver receives and transfers to the server the positioning signals and/or satellite signals.
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Citations
28 Claims
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1. A positioning system comprising one or more processors that:
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access ranging information, wherein the ranging information is extracted from positioning signals of a terrestrial transmitter network, and wherein the ranging information is used to measure the distance between a receiver and each of multiple transmitters in the terrestrial transmitter network; and compute an estimated position of the receiver using atmospheric assistance data from the transmitters, atmospheric data from one or more atmospheric sensors at the receiver, and at least one of the ranging information and information extracted from signals of a satellite positioning system, wherein the estimated position is computed during an operating mode, wherein the operating mode is a first operating mode during which at least one position coordinate of the estimated position is computed by at least one processor at the receiver, or a second operating mode during which the at least one position coordinate of the estimated position is computed by at least one processor at a server. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method for determining the position of a receiver, the method comprising:
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accessing ranging information, wherein the ranging information is extracted from positioning signals of a terrestrial transmitter network, and wherein the ranging information is used to measure the distance between a receiver and each of multiple transmitters in the terrestrial transmitter network; and computing, using a computing device, an estimated position of the receiver using atmospheric assistance data from the transmitters, atmospheric data from one or more atmospheric sensors at the receiver, and at least one of the ranging information and information extracted from signals of a satellite positioning system, wherein the estimated position is computed during an operating mode, wherein the operating mode is a first operating mode during which at least one position coordinate of the estimated position is computed by at least one processor at the receiver, or a second operating mode during which the at least one position coordinate of the estimated position is computed by at least one processor at a server. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19)
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20. One or more non-transitory computer-readable media embodying instructions adapted to be executed to implement a method for determining the position of a receiver, the method comprising:
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accessing ranging information, wherein the ranging information is extracted from positioning signals of a terrestrial transmitter network, and wherein the ranging information is used to measure the distance between a receiver and each of multiple transmitters in the terrestrial transmitter network; and computing an estimated position of the receiver using atmospheric assistance data from the transmitters, atmospheric data from one or more atmospheric sensors at the receiver, and at least one of the ranging information and information extracted from signals of a satellite positioning system, wherein the estimated position is computed during an operating mode, wherein the operating mode is a first operating mode during which at least one position coordinate of the estimated position is computed by at least one processor at the receiver, or a second operating mode during which the at least one position coordinate of the estimated position is computed by at least one processor at a server. - View Dependent Claims (21, 22, 23, 24, 25, 26, 27, 28)
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Specification