We have derived analytical expressions for the signal-to-interference ratio, jammer-to-noise ratio, carrier phase error, and code tracking error at the cross-correlator output of the code-tracking loop in a GPS receiver.
Performance Measures for GPS Anti-Jam Antenna Arrays
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We have derived analytical expressions for the signal-to-interference ratio, jammer-to-noise ratio, carrier phase error and code tracking error at the crosscorrelator output of the code-tracking loop in a GPS receiver that uses adaptive space-time processing to cancel interference. In the limit when the adaptive processor is absent, and all channels are perfectly matched, these results reduce to the performance measures derived previously.