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IEEE Workshop Sensor Array and Multichannel Signal Processing, 2006.
Several anti-jam techniques for GPS receivers rely on the direction-of-arrival (DOA) of the satellite signals. These angles change with moving GPS receiver platforms and, as such, they should be constantly estimated for the purpose of jammer nulling and beamforming. In this paper, we propose a new approach for directional finding for multi-antenna GPS receivers. This approach is based on a new unitarycyclic subspace method, which utilizes the modulation and repetition properties of the GPS codedoi:10.1109/sam.2006.1677159 fatcat:6bwgsm4yubg3bcti5ybamvy27q