SYSTEM, METHOD AND COMPUTER PROGRAM FOR NAVIGATION DATA BIT SYNCHRONIZATION FOR A GNSS RECEIVER
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United States of America Patent
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Issued Date -
Nov 22, 2012
app pub date -
Jan 27, 2011
filing date -
Jan 27, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention relates to navigation data bit synchronization for a GNSS receiver and more specifically to a software-based GNSS receiver that is operable to rapidly achieve accurate navigation data bit synchronization. It provides a system, method and computer program for navigation data bit synchronization for a GNSS receiver. The system comprises a navigation bit synchronization engine operable to detect one or more indicators in one or more data samples received from a GNSS satellite. The location of the navigation bit is derivable from the one or more indicators. The bit synchronization engine may include one or more of (i) a coarse search utility, (ii) a regular search utility, (iii) a fine search utility and (iv) a bit-edge prediction utility.
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