Wideband Rapid Interferer Detector Exploiting Compressed Sampling With a Quadrature Analog-to-Information Converter

We introduce a rapid interferer detector that uses compressed sampling (CS) with a quadrature analog-to-information converter (QAIC). By exploiting bandpass CS, a blind sub-Nyquist sampling approach, the QAIC offers an energy efficient and rapid interferer detection over a wide instantaneous bandwidth. The QAIC front end is implemented in 65 nm CMOS in 0.43 mm 2 and consumes 81 mW from a 1.1 V sup...