Base station for cancelling transmitter noise present in reception band and method for operating same

A base station for cancelling transmitter noise present in a reception band, the base station comprising:

• a transceiver configured to transmit and receive a signal;
• an uplink signal detector configured to check a first signal extracted from a reception path of the base station and a second signal extracted by filtering a signal being transmitted by the base station from a transmission path based on the reception band, and determine whether a power of an uplink signal, transmitted by a terminal, included in the first signal is less than a predetermined value based on a checking result;
• and
• a processor configured to determine whether to update one or more coefficients of a filter to cancel the transmitter noise depending on whether the power of the uplink signal is less than the predetermined value;
• wherein the processor is configured to control:
• if the power of the uplink signal is less than the predetermined value, to update the one or more coefficients of the filter;
• and
• if the power of the uplink signal is not less than the predetermined value, not to update the one or more coefficients of the filter.