Method and device for processing raw GPS data
First Claim
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1. A GPS receiver/data logger comprising:
- a GPS baseband radio frequency chip;
a GPS antenna, a data storage component, external-device interface, and a power circuit, all enclosed within a housing; and
data-processing software that is stored in said data storage component, said data-processing software being used for data retrieval and/or processing.
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Abstract
Method and device for processing raw GPS data to obtain extremely accurate corrected navigation data. The device is a stand-alone, puck-like GPS receiver/data logger that records raw data according to pre-programmed instructions. Ephemeris data and/or ionosphere prediction data that provide high accuracy for the time and location of data logging are uploaded into data processing software for processing the raw GPS data received via satellite signal. The raw GPS data may be post-processed on an external computing device or processed in realtime in the GPS receiver/data logger. The corrected navigation data thus obtained provides navigation data with submeter accuracy.
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Citations
9 Claims
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1. A GPS receiver/data logger comprising:
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a GPS baseband radio frequency chip;
a GPS antenna, a data storage component, external-device interface, and a power circuit, all enclosed within a housing; and
data-processing software that is stored in said data storage component, said data-processing software being used for data retrieval and/or processing. - View Dependent Claims (2, 3)
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4. A method for processing raw GPS data, said method comprising the steps of:
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(a) obtaining accurate ephemeris data, wherein said accurate ephemeris data is accurate for a particular period;
(b) logging raw GPS data in said particular period in a GPS receiver/data logger;
(c) processing said raw GPS data with said accurate ephemeris data. - View Dependent Claims (5, 6)
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7. A method for processing raw GPS data, said method comprising the steps of:
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(a) obtaining ionosphere predicion data, wherein said ionosphere prediction data is accurate for a particular period;
(b) logging raw GPS data in said particular period in a GPS receiver/data logger;
(c) processing said raw GPS data with said ionosphere prediction data. - View Dependent Claims (8, 9)
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Specification