| 摘要 |
An interference cancellation repeater according to one embodiment of the technical concept of the present invention comprises: a first transmitting and receiving processing unit for adjusting the gain of radio frequency (RF) input signals inputted through a link antenna communicatively coupled to a base station; an interference cancellation unit for cancelling interference signals from the output signal of the first transmitting and receiving processing unit and outputting the same; and a gain control unit for extracting signals of a fixed size, irrelevant to changes in user traffic from the output signal of the interference cancellation unit, and for controlling the first transmitting and receiving processing unit on the basis of the extracted signals and adjusting the gain of the RF input signals to a certain level. |
