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, wherein the first ephemeris includes data for at least one satellite in a constellation of satellites;
using the first ephemeris to produce integrity data for validating a second ephemeris residing at a remote receiver; and
transmitting to the remote receiver the integrity data.
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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
20 Claims
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1. A method comprising:
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receiving at a server a first ephemeris, wherein the first ephemeris includes data for at least one satellite in a constellation of satellites; using the first ephemeris to produce integrity data for validating a second ephemeris residing at a remote receiver; and transmitting to the remote receiver the integrity data. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A satellite-positioning-system server comprising:
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a means for receiving a first ephemeris, wherein the first ephemeris includes data for at least one satellite in a constellation of satellites; a processor adapted to use the first ephemeris to produce integrity data for validating a second ephemeris that resides at a remote receiver; and a means for transmitting to the remote receiver the integrity data. - View Dependent Claims (16)
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17. A satellite-positioning-system server comprising:
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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 for validating a second set of satellite tracking data that resides at a remote receiver; and transmitting to the remote receiver the integrity data. - View Dependent Claims (18, 19, 20)
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Specification