Apparatus and method for correlation in a GPS receiver
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United States of America Patent
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Mar 5, 2013
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app pub date -
Oct 13, 2006
filing date -
Oct 13, 2006
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Abstract
An apparatus comprising: a first code controller for controlling the storage of a first spreading code portion; a first data input controller for controlling the storage of a first set of input samples; a second data input controller for controlling the storage of a second set of input samples; a combiner arranged to combine a spreading code sample with an input sample and output the resultant combination; a summer for summing said resultant combinations; and a combination controller arranged to control which of the stored first set of input samples or the stored second set of input samples provides said input sample for combination in the combiner.
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