A Low Complexity GNSS Array Signal Angle of Arrival (AoA) Estimation Algorithm and Validation
Keywords:
AoA, GNSS, GPS, Matlab, SDR, Array SignalAbstract
Adaptive antenna array techniques are widely utilized to reject multipath and interference errors in Global Navigation Satellite System receivers (GNSS). Several methods have been proposed to tackle this issue. However, one severe problem for existing methods is the implementation complexity as GNSS receivers usually work under a high-dynamic receiving environment, thus may have the requirement of rapid angle estimates. In this paper, we propose a low complexity GNSS array signal estimation algorithm. Live data validation shows that the estimated AoA values can be used to improve the Carrier-to-Noise-Ratio by 1~4 dB-Hz.
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