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Decoding Navigation Data Messages from Weak GPS Signals

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3 Author(s)
Soloviev, A. ; Avionics Eng. Center, Ohio Univ., Athens, OH ; Van Graas, F. ; Gunawardena, S.

A new method for decoding navigation data bits from very weak Global Positioning System (GPS) signals is presented. Coherent signal integration is applied over a time period that includes multiple navigation data bits. A search is performed for a combination of bits that maximizes the signal energy during the coherent integration.

Published in:

Aerospace and Electronic Systems, IEEE Transactions on  (Volume:45 ,  Issue: 2 )