PHASE BASED MEASUREMENT CORRECTIONS
First Claim
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1. A method for deriving a correction value An for a phase-based satellite navigation measurement for a satellite n, from a common set of a plurality of base station reference receivers M and a plurality of satellites N, wherein the phase ambiguity an in the correction value is constrained to be an integer multiple of the carrier wavelength λ
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Abstract
A method for providing correction values for phase based measurements. Where averaging techniques are employed for exploiting redundancy in multiple measurements, by constraining the phase ambiguity in a correction value to be an integer multiple of the carrier wavelength, carrier phase based measurements can be used.
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Citations
16 Claims
- 1. A method for deriving a correction value An for a phase-based satellite navigation measurement for a satellite n, from a common set of a plurality of base station reference receivers M and a plurality of satellites N, wherein the phase ambiguity an in the correction value is constrained to be an integer multiple of the carrier wavelength λ
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10. A method of deriving a satellite navigation estimate for an object relative to a plurality of base station reference receivers, the method comprising:
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deriving a first estimate of the position of said object relative to an average position of said reference receivers, and deriving a second estimate of position of said object relative to a selected base station reference point, based on said first estimate. - View Dependent Claims (11, 12, 13, 14, 15)
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16. A method for deriving a correction value An for a phase-based measurement of separation of a transmission source n, from a common set of a plurality of reference stations M, where the reference stations each make phase based measurements of distance from a plurality of transmission sources N, wherein the phase ambiguity an in the correction value is constrained to be an integer multiple of the carrier wavelength λ
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Specification