Smart antenna system and method for improving receiving performance thereof

The smart antenna system according to an embodiment of the present invention, in the smart antenna system including a beam-forming antenna comprising an active antenna and a plurality of parasitic antenna, the reactive load connected to the parasitic antenna; A transceiver for transmitting and receiving signals to the beamforming antenna; And it may include an antenna for adjusting the magnitude of the signals using the largest plurality of beam patterns in real-time to track the signal source to form a beam where the signal with the largest direction.