Performance Measures for
GPS Anti-Jam Antenna Arrays
October 2006
Dr. Ronald L. Fante, The MITRE Corporation
ABSTRACT
We have derived analytical expressions for the signal-to-interference
ratio, jammer-tonoise
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.
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