The device for steering a beamforming antenna (500) comprises a module (511) for calculating antenna steering coefficients and a repetition detection module (516, 517) adapted to detect the repetition of a sequence of payload data in the signal received by said antenna. The module for calculating antenna steering coefficients is adapted to calculate said coefficients on the basis of the signals received by the antenna at the time of said repetition.In particular embodiments, the device further comprises an OFDM wireless receiver (501 to 503) and the module for calculating antenna steering coefficients employs each sub-carrier of the signal received by the antenna.