Processing received satellite radio signals
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United States of America Patent
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Oct 2, 2012
Grant Date -
Nov 25, 2010
app pub date -
Jan 7, 2009
filing date -
Feb 20, 2008
priority date (Note) -
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status (Latency Note)
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Abstract
A method of processing received satellite radio signals is disclosed in which signals are received the signals from plural satellites through a common antenna. The received signals are digitised to produce a time-series of digitised signal samples and a plurality of replicas representing the signals of each of the plurality of satellites are obtained. At least one sample is selected from each of the replicas and the elements of a register are set equal to the selected replica samples. Thereafter, in turn, for each one of said digitised signal samples, the value of the digitised signal sample is combined with each of the values of the elements of the register to produce corresponding modified values; and the modified values corresponding to each of said register elements are accumulated.
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