Method and device for multi-channel link calibration of active antenna

• Main Authors: LEI HONG, BAI CHAOJUN, WANG PENG, KONG WEIGANG
• Format: Patent
• Language: Chinese; English
• Published: 01.08.2012
• Subjects: ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; TRANSMISSION

The invention discloses a method and a device for the multi-channel link calibration of an active antenna. The method comprises the following steps of: selecting a transmitting link of a channel to be calibrated from an active antenna system to transmit test data; receiving the test data, and outputting the test data to a feedback link of the active antenna system; acquiring the test data from the feedback link; and performing calibration operation on transmitting links of a plurality of channels of the active antenna system according to the acquired test data. By the method and the device, the conventional hardware structures can be fully utilized; and compared with the conventional multi-channel calibration method, the method has the advantages that: the independent transmission and reception of a calibration channel or a calibration antenna are reduced, the area of a printed circuit board (PCB) can be effectively reduced, and cost can be saved. The method is simple and practical, and the problems about the