Method and apparatus for monitoring the integrity of satellite tracking data used by a remote receiver
First Claim
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1. A method comprising:
- receiving at a server a first ephemeris;
using the first ephemeris to produce integrity data; and
transmitting the integrity data to a remote receiver for validating a second ephemeris at the remote receiver.
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Abstract
A method and apparatus for monitoring the integrity of satellite tracking data used by a remote receiver is described. In one example, a first set of satellite tracking data is received at a server. Integrity data for a second set of satellite tracking data is generated using the first set of satellite tracking data. The integrity data is then transmitted to at least one remote receiver having the second set of satellite tracking data.
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Citations
18 Claims
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1. A method comprising:
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receiving at a server a first ephemeris; using the first ephemeris to produce integrity data; and transmitting the integrity data to a remote receiver for validating a second ephemeris at the remote receiver. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A satellite-positioning-system server comprising:
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a receiver for receiving a first ephemeris; a processor adapted to use the first ephemeris to produce integrity data; and a transmitter for transmitting the integrity data to a remote receiver for validating a second ephemeris at the remote receiver. - View Dependent Claims (14)
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15. A satellite-positioning-system server comprising:
memory, and processing logic, wherein the processing logic is adapted to; receive a first set of satellite tracking data, wherein the first satellite tracking data includes at least one of ephemeris for at least one satellite in a constellation of satellites; use the first set of satellite tracking data to produce integrity data; and transmit the integrity data to a remote receiver for validating a second set of satellite tracking data at the remote receiver. - View Dependent Claims (16, 17, 18)
Specification