Binary-offset-carrier waveforms have autocorrelation functions containing multiple peaks, thus leading to potential tracking ambiguities.
Unambiguous Tracker for GPS Binary-Offset-Carrier Signals
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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.