System and method for augmenting DGNSS with internally-generated differential correction
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United States of America Patent
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May 8, 2012
Grant Date -
Feb 3, 2011
app pub date -
Jul 29, 2009
filing date -
Jul 29, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
In the invention, a rover receiver first utilizes data from a base Receiver, a DGNSS reference network, or other differential source to compute a differentially corrected location. Then, using this location and data observed only at the rover, the rover computes an internal set of differential corrections that are stored in computer memory, updated as necessary, and applied in future times to correct observations taken by the rover. The possibly mobile rover receiver, therefore, corrects its own observations with differential corrections computed from its own past observations; relying on external differential for the sole purpose of establishing a reference location, and this is unlike prior art.
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