Method and apparatus for distributing satellite tracking information
First Claim
Patent Images
1. A method for distributing long term satellite tracking data to a remote receiver comprising:
- extracting at least a portion of long term satellite tracking data from a memory;
representing the at least a portion of long term satellite tracking data in a format supported by the remote receiver; and
transmitting the formatted data to the remote receiver.
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Accused Products
Abstract
A method and apparatus for distributing satellite tracking data to a remote receiver. At least a portion of the satellite tracking data is extracted from memory and is formatted into a format prescribed by a remote receiver. The formatted data is transmitted to the remote receiver via a distribution network.
325 Citations
41 Claims
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1. A method for distributing long term satellite tracking data to a remote receiver comprising:
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extracting at least a portion of long term satellite tracking data from a memory;
representing the at least a portion of long term satellite tracking data in a format supported by the remote receiver; and
transmitting the formatted data to the remote receiver. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
a plurality of satellite positions with respect to time for a period of time into the future, a plurality of satellite clock offsets with rasped to time for a period of time into the future.
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3. The method of claim 1 wherein said long term satellite tracking data comprises at least one of:
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data representative of satellite positions, velocities or acceleration;
data representative of satellite clock offsets, drift, or drift rates.
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4. The method of claim 1 wherein said format comprises a format that is prescribed by said remote receiver.
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5. The method of claim 1 wherein said format is a model containing at least one of:
orbital parameters and clock parameters.
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6. The method of claim 5 wherein said orbital parameters and clock parameters are defined by the global positioning system standard.
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7. The method of claim 5 wherein said model comprises more than one sequential model, each sequential model being valid for a period of time.
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8. The method of claim 5 wherein said model is valid for a period of four hours.
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9. The method of claim 5 wherein said model is valid for a period of more than four hours.
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10. The method of claim 1 wherein said remote receiver is a GPS receiver.
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11. The method of claim 1 wherein said remote receiver is a satellite positioning system receiver.
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12. The method of claim 1 wherein said format is a standard format for transmitting satellite models to a global positioning system receiver.
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13. The method of claim 1 wherein the long term satellite tracking data is valid for a first period of time and the at least a portion of said long term satellite tracking data is valid for a second period of time, where said first period is longer than said second period.
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14. The method of claim 1 wherein said transmitting step further comprises:
transmitting using a wireless communications link.
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15. The method of claim 14 wherein said transmitting step further comprises:
broadcasting the formatted data to a remote receiver.
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16. The method of claim 1 wherein said transmitting step comprises:
transmitting using a computer network.
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17. The method of claim 16 wherein said transmitting step further comprises:
broadcasting the formatted data to a remote receiver.
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18. The method of claim 1 wherein said transmitting step comprises:
transmitting using the Internet.
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19. The method of claim 18 wherein said transmitting step further comprises:
broadcasting the formatted data to a remote receiver.
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20. The method of claim 18 wherein said transmitting step couples the formatted data to the remote receiver when said remote receiver connects to the internet.
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21. The method of claim 1, wherein said transmitting step further comprises:
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determining a time when the cost of transmitting the formatted data is relatively low; and
transmitting the formatted data at said time.
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22. The method of claim 1, wherein said transmitting step further comprises:
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determining a time when the congestion of a transmission network is relatively low;
transmitting the formatted data at said time.
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23. A method of distributing long term satellite tracking data to a remote receiver, using the Internet, comprising:
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collecting said long term satellite tracking information at a tracking station;
processing the long term satellite tracking information to form satellite tracking data;
formatting at least a portion of the long term satellite tracking data into formatted data that is prescribed by a requirement of the remote receiver; and
sending said formatted data to the remote receiver. - View Dependent Claims (24, 25, 26)
broadcasting the formatted data to a remote receiver.
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27. Apparatus for distributing long term satellite tracking data to a remote receiver comprising:
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a computer for accessing at least a portion of long term satellite tracking data from a memory and formatting the at least a portion of long term satellite tracking data in a format supported by the remote receiver; and
means for transmitting the formatted data to the remote receiver. - View Dependent Claims (28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41)
a plurality of satellite positions with respect to time for a period of time into the future, a plurality of satellite clock offsets with respect to time for a period of time into the future.
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29. The apparatus of claim 27 wherein said long term satellite tracking data comprises at least one of:
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data representative of satellite positions, velocities or acceleration;
data representative of satellite clock offsets, drift, or drift rates.
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30. The apparatus of claim 27 wherein said format comprises a format that is prescribed by said remote receiver.
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31. The apparatus of claim 27 wherein said format is a model containing at least one of:
- orbital parameters and clock parameters.
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32. The apparatus of claim 31 wherein said orbital parameters and clock parameters are defined by the global positioning system standard.
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33. The apparatus of claim 31 wherein said model comprises more than one sequential model, each sequential model being valid for a period of time.
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34. The apparatus of claim 31 wherein said model is valid for a period of more than four hours.
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35. The apparatus of claim 27 wherein said remote receiver is a GPS receiver.
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36. The apparatus of claim 27 wherein said remote receiver is a satellite positioning system receiver.
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37. The apparatus of claim 27 wherein said format is a standard format for transmitting satellite models to a global positioning system receiver.
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38. The apparatus of claim 27 wherein the long term satellite tracking data is valid for a first period of time and the at least a portion of said long term satellite tracking data is valid for a second period of time, where said first period is longer than said second period.
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39. The apparatus of claim 27 wherein said transmitting means comprises:
a wireless communications link.
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40. The apparatus of claim 27 wherein said transmitting means comprises:
a computer network.
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41. The apparatus of claim 27 wherein said transmitting means comprises:
the Internet.
Specification