Unambiguous Tracker for GPS Binary-Offset-Carrier Signals
April 2003
Ronald L. Fante, The MITRE Corporation
ABSTRACT
Binary-offset-carrier waveforms have autocorrelation functions containing
multiple peaks, thus leading to potential tracking ambiguities. We have
developed a discriminator that is monotonic over the entire range of
delays where the correlation function has significant support; thus
eliminating ambiguities. The price paid is the need for additional gates,
some loss in sensitivity, and some additional computations.
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