Patent ID: 7692602

Claim:
A control apparatus of an antenna array, comprising: a first switch; a second switch; an antenna connected between the first switch and the second switch; a control circuit comprising a serial interface circuit connected to the first switch and the second switch through a first control line and a second control line separately, wherein a first and a second On/Off status of the first switch and the second switch are separately controlled by the first control line and the second control line; wherein the serial interface circuit connects to a plurality of first switches and a plurality of second switches to increase the number of the antennas; wherein the serial interface circuit transmits a first switch control signal through a plurality of first control lines to control the plurality of first switches; wherein the serial interface circuit transmits a second switch control signal through a plurality of second control lines to control the second switches; and wherein the control circuit further comprises a receiving circuit arranged between the serial interface circuit and the second switch for demodulating a receiving signal.