Patent ID: 8891785
Filing Date: 2014-11-18
Classification: G01S,G10L,H04R

Abstract:
1. A method of processing signals at a device, the method comprising: receiving signals, over a range of angles, at an input of the device, the signals including a primary signal received with a principal direction of arrival at the input and at least one interfering signal received with a respective at least one interfering direction of arrival at the input; determining a plurality of measurements for the received signals over the range of angles, each measurement relating to a particular angle and indicating the energy of the received signals which are received from the particular angle; and for each angle over the range of angles, removing from the measurement for that angle a value based on the minimum of: (i) the measurement for that angle, and (ii) a corresponding measurement for a corresponding angle mirrored around the principal direction of arrival, whereby the remaining values of the plurality of measurements are indicative of said at least one interfering direction of arrival.