MULTIPATH MITIGATION USING SENSORS
First Claim
Patent Images
1. An navigation receiver, comprising:
- a sensor input;
circuitry coupled to the physical sensor input;
wherein the circuitry is configured to use information from the physical sensor input for multipath mitigation.
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Accused Products
Abstract
Systems, methods and devices for multipath mitigation are presented. Specifically, embodiments of the invention can advantageously use sensor input to mitigate the effect of multipath signals received at a receiver. The use of physical sensors in navigation systems is deemed particularly advantageous.
28 Citations
20 Claims
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1. An navigation receiver, comprising:
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a sensor input; circuitry coupled to the physical sensor input; wherein the circuitry is configured to use information from the physical sensor input for multipath mitigation. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A method for multipath mitigation, comprising:
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receiving a GNSS measurement from a primary GNSS system; calculating a position based on the GNSS measurement; receiving a first position-related datum derived from a sensor input, not derived from the primary GNSS system and corresponding approximately in time to the GNSS measurement; determining whether the position based on the GNSS measurement was significantly affected by multipath by using the first position-related datum. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15)
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16. A portable navigation system, comprising:
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a primary GNSS sensor; a sensor not based on the primary GNSS; and a microprocessor configured to use input derived from the GNSS sensor and the sensor not based on the primary GNSS to perform multipath mitigation. - View Dependent Claims (17, 18, 19, 20)
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Specification