ACTIVE ANTENNA ARRAY AND METHOD FOR CALIBRATION OF THE ACTIVE ANTENNA ARRAY

摘要

The disclosure relates to an active antenna array (10) for a mobile communication system which comprises a plurality of receive paths (30-1,..., 30-N), a control unit (105) for generating a sounding signal (110), and a coupler for coupling the sounding signal (110) into at least one of a plurality of receive paths (30-1,..., 30-N), A switch (190) is used to switch the output of one the plurality of receive paths (30-1,..., 30-N) between one of a receiver (Rx) and a calibration unit. The disclosure also provides a method for the calibration of the active antenna array (10) which comprises generating (210) an initial sounding signal (110), coupling the Initial sounding signal (110) into at least one of a plurality of receive paths (30-1,..., 30-N) to generate an adjusted sounding signal (110'), comparing (220) the adjusted sounding signal (110') with an initial sounding signal (110) and than generating (225) calibration parameters.