Patent ID: 8259005
Filing Date: 2012-09-04
Classification: H01P,H01Q

Abstract:
1. A true time delay beamforming system, comprising: at least one signal conditioning device receiving at least one input signal, wherein the signal conditioning device is adapted to provide selective, independent, and variable control of one of a phase, a time delay and an amplitude of the input signal to produce an output signal: a control system adapted to provide a control logic signal to the at least one signal conditioning device for selectively activating and controlling the signal conditioning device; and a calibration system for detecting and correcting error in at least one of a phase, a time delay and an amplitude of the output signal, wherein the calibration system comprises a channel signal and noise characterization unit adapted to receive the output signal and to detect phase, amplitude, and time errors to generate an estimated error correction signal therefrom, the error correction signal received by the control system for selectively generating the control logic signal.