| CPC H04L 25/03993 (2013.01) | 20 Claims |

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8. An operating method of a wireless communication device including a plurality of antennas configured to transceive a signal, the operating method comprising:
detecting a first interference for N resource blocks (RB) of the signal;
based on the first interference being detected, performing a first whitening validation on the first interference;
detecting a second interference, based on a result of the first whitening validation;
based on the second interference being detected, performing a second whitening validation on the second interference; and
performing whitening filtering according to results of the first whitening validation and the second whitening validation.
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