Correlator sum method for spread spectrum signal receivers
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United States of America Patent
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Mar 5, 2013
Grant Date -
Jul 2, 2009
app pub date -
Jul 5, 2006
filing date -
Jul 5, 2006
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Abstract
The present invention provides systems and methods for faster acquisition and more stable tracking of spread spectrum signals with lower computational load requirements. Instead of the present day practice of using only the Prompt correlator, the systems and methods of the invention use the sum of the powers of all the correlators of a channel to determine the acquisition or tracking of the signal. These systems and methods improve the signal acquisition speed resulting in a reduced Time-To-First-Fix (TTFF). Further, these systems and methods improve the acquisition and tracking sensitivity of the receiver.
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