GEOLOCATION LEVERAGING SPOT BEAM OVERLAP
First Claim
1. A method of providing an estimate of a location of a user receiver device, the method comprising:
- emitting from at least one vehicle at least one spot beam on Earth;
receiving with the user receiver device a signal from the at least one spot beam; and
calculating with the user receiver device the estimate of the location of the user receiver device according to the user receiver device'"'"'s location within the at least one spot beam.
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Accused Products
Abstract
A method and system are disclosed for providing an estimate of a location of a user receiver device. The method and system involve emitting from at least one vehicle at least one spot beam on Earth, and receiving with the user receiver device a signal from at least one spot beam. In one or more embodiments, at least one vehicle may be a satellite and/or a pseudolite. The method and system further involve calculating with the user receiver device the estimate of the location of the user receiver device according to the user receiver device'"'"'s location within at least one spot beam. In some embodiments, when the user receiver device receives signals from at least two spot beams, the user receiver device calculates the estimate of the location of the user receiver device to be located in the center of the intersection of at least two spot beams.
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Citations
49 Claims
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1. A method of providing an estimate of a location of a user receiver device, the method comprising:
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emitting from at least one vehicle at least one spot beam on Earth; receiving with the user receiver device a signal from the at least one spot beam; and calculating with the user receiver device the estimate of the location of the user receiver device according to the user receiver device'"'"'s location within the at least one spot beam. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41)
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42. A system of providing an estimate of a location of a user receiver device, the system comprising:
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at least one vehicle, wherein the at least one vehicle emits at least one spot beam on Earth; and the user receiver device, wherein the user receiver device comprises; at least one radio frequency (RF) antenna, wherein the at least one RF antenna receives the at least one spot beam; and a processor, wherein the processor calculates the estimate of the location of the user receiver device according to the user receiver device'"'"'s location within the at least one spot beam. - View Dependent Claims (43, 44, 45, 46, 47, 48, 49)
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Specification