A method for channel estimation, the method comprising: determining , by a communications device, position information of a main transmission point with a primary transmission path to the communications device and of at least one mirror transmission point associated with the main transmission point by at least one secondary transmission path between the main transmission point and the communications device, wherein the at least one mirror transmission point is symmetrical to the main transmission point with respect to a reflective surface; estimating , by the communications device, a primary channel between the main transmission point and the communications device and at least one secondary channel between the at least one mirror transmission point and the communications device in accordance with the position information of the main transmission point and of the at least one mirror transmission point and position information of antennas in an antenna array of the communications device; and instructing , by the communications device, use of the estimated primary channel and the at least one estimated secondary channel; wherein instructing the use of the estimated primary channel and the at least one estimated secondary channel comprises: generating beamforming coefficients in accordance with the estimated primary channel and the at least one estimated secondary channel and the position information of the antennas in the antenna array; and providing the beamforming coefficients to the antennas in the antenna array. determining , by a communications device, position information of a main transmission point with a primary transmission path to the communications device and of at least one mirror transmission point associated with the main transmission point by at least one secondary transmission path between the main transmission point and the communications device, wherein the at least one mirror transmission point is symmetrical to the main transmission point with respect to a reflective surface; estimating , by the communications device, a primary channel between the main transmission point and the communications device and at least one secondary channel between the at least one mirror transmission point and the communications device in accordance with the position information of the main transmission point and of the at least one mirror transmission point and position information of antennas in an antenna array of the communications device; and instructing , by the communications device, use of the estimated primary channel and the at least one estimated secondary channel; wherein instructing the use of the estimated primary channel and the at least one estimated secondary channel comprises: generating beamforming coefficients in accordance with the estimated primary channel and the at least one estimated secondary channel and the position information of the antennas in the antenna array; and providing the beamforming coefficients to the antennas in the antenna array. generating beamforming coefficients in accordance with the estimated primary channel and the at least one estimated secondary channel and the position information of the antennas in the antenna array; and providing the beamforming coefficients to the antennas in the antenna array. <EOS>