Patent ID: 11876582
Assignee: METAWAVE CORPORATION
Field: Telecommunications (Electrical engineering)
Classification: CPC G  H | IPC H

Claim 7:
8. A method of operating a radar system, comprising:
setting an elevation angle to a first value for phase shifters on a transmit antenna array;
transmitting radar signals at the elevation angle, each of the radar signals having an azimuth bandwidth covering an azimuth field of view;
detecting a target by returned radar signals received at a receive antenna array;
correlating one or more portions of the returned radar signals;
identifying an azimuth angle of arrival based on the one or more correlated portions of the returned radar signals by:
(i) performing a multi-dimensional Fast Fourier Transform (FFT) of the returned radar signals, and
(ii) performing non-coherent integration and constant false alarm rate detection of the returned radar signals; and

generating a range Doppler mapping for the target based on the identified azimuth angle of arrival.