Method for ephemeris assisted global positioning
First Claim
1. A method for transmitting ephemeris assisted location data to a Global Positioning System (GPS) receiver, comprising the steps of:
- a. receiving telemetry word data provided by a non-cellular, land-based network; and
b. computing a location signal using data provided by a non-cellular, land-based network; and
c. transmitting the location signal to the GPS receiver.
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Accused Products
Abstract
The present invention generally relates to the transmission of GPS reference information, and more particularly, to transmission of GPS ephemeris information for mobile applications. A Telemetry word data is provided by and/or transmitted by a non-cellular, land based network and received by a receiver. A location signal is computed by a processor and transmitted to the GPS receiver. An accumulator accumulates that data and stores it in a data base. The unit may be connected to a Public Safety Answering Point. Also, the present invention provides a method to assist the GPS in mobile applications where the user does not necessarily have a cellular phone. The present invention discloses a method of transmitting ephemeris data to assist the GPS receiver without relying on the cellular telephone network.
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Citations
34 Claims
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1. A method for transmitting ephemeris assisted location data to a Global Positioning System (GPS) receiver, comprising the steps of:
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a. receiving telemetry word data provided by a non-cellular, land-based network; and
b. computing a location signal using data provided by a non-cellular, land-based network; and
c. transmitting the location signal to the GPS receiver. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A method for transmitting ephemeris assisted location data to a Global Positioning System (GPS) receiver, comprising the steps of:
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a. receiving telemetry word data transmitted by a non-cellular, land-based network; and
b. computing a location signal using data provided by a non-cellular, land-based network; and
c. transmitting the location signal to the GPS receiver. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28)
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29. An apparatus for receiving data, said apparatus comprising:
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a. a receiver adapted to receive data transmitted from a non-cellular, land-based network; and
b. a processor adapted to perform location computations using data received from non-cellular, land-based network and provide location information to a GPS receiver. - View Dependent Claims (30, 31, 32, 33, 34)
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Specification