Abstract
A new unambiguous discriminator similar to a conventional Double Delta correlator is tailored for sinephased BOC(1,1) signal tracking. It is shown in this paper that it has efficient multipath mitigation at the cost of degraded noise resistance due to correlation loss of using waveform subtraction. Its multipath performances is evaluated in both coherent and dot-product type noncoherent structures. The advantage of dot-product type discriminator structure for multipath resistance is shown. Tracking code jitters are examined theoretically and empirically. A new simplified jitter expression is provided to facilitate the comparison of relative noise performance for various Strobe Correlators with the proposed discriminator, without considering the effect of bandlimiting.
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