| 摘要 |
The disclosed radio base station (1A) executes radio communication with a radio terminal that measures the SNR or CNR of each of a plurality of predetermined subbands. The radio base station (1A) includes a radio communication unit (110), which receives a CQI indicating the SNR or CNR for each subband a plurality of times, or receives the CQI from a plurality of radio terminals that include said radio terminal, a counting unit (122c), which counts, for each of the plurality of subbands, the number of times that the radio communication unit (110) has received a CQI that has degraded more than a predetermined threshold value, and an interfered subband detector (123), which detects those subbands from among the plurality of subbands for which the count has reached a predetermined number as interfered subbands.
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