System and/or method for determining sufficiency of pseudorange measurements
First Claim
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1. A method comprising:
- determining quantitative assessments of accuracy associated with a plurality of pseudorange measurements to space vehicles (SVs) at a location; and
selectively terminating a process to improve said accuracy of said plurality of said pseudorange measurements in response to a weighting of at least some of said quantitative assessments according to geometries associated with said SVs.
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Abstract
The subject matter disclosed herein relates to a system and method for determining a sufficiency of measurements for locating positions. In one example, although claimed subject matter is not so limited, a process to improve accuracy of pseudorange measurements may be terminated in response to a weighting of quantitative assessments of at least some of such pseudorange measurements.
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Citations
39 Claims
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1. A method comprising:
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determining quantitative assessments of accuracy associated with a plurality of pseudorange measurements to space vehicles (SVs) at a location; and selectively terminating a process to improve said accuracy of said plurality of said pseudorange measurements in response to a weighting of at least some of said quantitative assessments according to geometries associated with said SVs. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A method comprising:
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determining a plurality of pseudorange measurements to space vehicles (SVs) at a location based, at least in part, on information received during a first dwell; determining quantitative assessments of accuracy associated with said plurality of pseudorange measurements; and selectively employing a second dwell to improve accuracy of said pseudorange measurements in response to a weighting of at least some of said quantitative assessments according to geometries associated with said SVs.
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9. An apparatus comprising:
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a computing platform, said computing platform being adapted to; determine quantitative assessments of accuracy associated with a plurality of pseudorange measurements to space vehicles (SVs) at a location; and selectively terminate a process to improve said accuracy of said plurality of said pseudorange measurements in response to a weighting of at least some of said quantitative assessments according to geometries associated with said SVs. - View Dependent Claims (10, 11, 12, 13, 14, 15)
combine said weighted quantitative assessments to provide a metric; and selectively terminate said process to improve said accuracy in response to a comparison of said metric with a threshold value.
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16. An apparatus comprising:
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a computing platform, said computing platform being adapted to; determine a plurality of pseudorange measurements to space vehicles (SVs) at a location based, at least in part, on information received during a first dwell; determine quantitative assessments of accuracy associated with said plurality of pseudorange measurements; and selectively initiate a second dwell to improve accuracy of said pseudorange measurements in response to a weighting of at least some of said quantitative assessments according to geometries associated with said SVs.
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17. An article comprising:
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a storage medium comprising machine-readable instructions stored thereon which, when executed, are adapted to; determine quantitative assessments of accuracy associated with a plurality of pseudorange measurements to space vehicles (SVs) at a location; and selectively terminate a process to improve said accuracy of said plurality of said pseudorange measurements in response to a weighting of at least some of said quantitative assessments according to geometries associated with said SVs. - View Dependent Claims (18, 19, 20, 21, 22, 23)
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24. An article comprising:
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a storage medium comprising machine-readable instructions stored thereon which, when executed, are adapted to; determine a plurality of pseudorange measurements to space vehicles (SVs) at a location based, at least in part, on information received during a first dwell; determine quantitative assessments of accuracy associated with said plurality of pseudorange measurements; and selectively initiate a second dwell to improve accuracy of said pseudorange measurements in response to a weighting of at least some of said quantitative assessments according to geometries associated with said SVs.
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25. A system comprising:
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a position determination entity (PDE); and a subscriber unit, the subscriber unit being adapted to; receive an acquisition assistance message from said PDE over a terrestrial wireless communication link, said acquisition assistance message comprising information indicative of geometries associated with space vehicles (SVs); determine quantitative assessments of accuracy associated with a plurality of pseudorange measurements to at least some of said SVs; and selectively terminate a process to improve said accuracy of said plurality of said pseudorange measurements in response to a weighting of at least some of said quantitative assessments according to said information.
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26. A position determination entity comprising:
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a receiver to receive pseudorange measurements to space vehicles (SVs) from a subscriber station over a data link, said position determination entity being adapted to; determine quantitative assessments of accuracy associated with at least some of said received pseudorange measurements; selectively terminate a process to improve said accuracy of said plurality of said pseudorange measurements in response to a weighting of at least some of said quantitative assessments according to geometries associated with said SVs. - View Dependent Claims (27, 28, 29, 30, 31)
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32. A position determination entity comprising:
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a receiver to receive pseudorange measurements to space vehicles (SVs) from a subscriber station over a data link, said position determination entity being adapted to; determine a plurality of pseudorange measurements to space vehicles (SVs) at a location based, at least in part, on information received during a first dwell; determine quantitative assessments of accuracy associated with said plurality of pseudorange measurements; and selectively initiate a second dwell at said subscriber station to improve accuracy of said pseudorange measurements in response to a weighting of at least some of said quantitative assessments according to geometries associated with said SVs.
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33. A subscriber unit comprising:
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receiver to receive an acquisition assistance (AA) message from a data link, said AA message comprising information indicative of geometries associated with space vehicles (SVs), said subscriber unit being adapted to; determine quantitative assessments of accuracy associated with a plurality of pseudorange measurements to at least some of said SVs; and selectively terminate a process to improve said accuracy of said plurality of said pseudorange measurements in response to a weighting of at least some of said quantitative assessments according to said information. - View Dependent Claims (34, 35, 36, 37, 38)
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39. A subscriber unit comprising:
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receiver to receive an acquisition assistance (AA) message from a data link, said AA message comprising information indicative of geometries associated with space vehicles (SVs), said subscriber unit being adapted to; determine a plurality of pseudorange measurements to space vehicles (SVs) at a location based, at least in part, on information received during a first dwell; determine quantitative assessments of accuracy associated with said plurality of pseudorange measurements; and selectively initiate a second dwell to improve accuracy of said pseudorange measurements in response to a weighting of at least some of said quantitative assessments according to said information.
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Specification