US 11,855,669 B2
Method for cancelling radio frequency interference and communication system thereof
Po-Hsiu Hsiao, Hsinchu (TW); and Liang-Wei Huang, Hsinchu (TW)
Assigned to REALTEK SEMICONDUCTOR CORP., Hsinchu (TW)
Filed by REALTEK SEMICONDUCTOR CORP., Hsinchu (TW)
Filed on May 31, 2022, as Appl. No. 17/828,544.
Claims priority of application No. 110120114 (TW), filed on Jun. 3, 2021.
Prior Publication US 2022/0393712 A1, Dec. 8, 2022
Int. Cl. H04B 1/10 (2006.01); H04B 1/04 (2006.01)
CPC H04B 1/1036 (2013.01) [H04B 1/0475 (2013.01); H04B 2001/1063 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A method for cancelling radio frequency interference (RFI), operated in a communication system, comprising:
converting received analog signals into digital signals in a frequency domain;
detecting, by an RFI detector, one or more RFI-affected frequency bands of the digital signals;
processing the digital signals by, an interference-cancellation circuit, with modified masking parameters of an equalizer and a far-end crosstalk canceller of the interference-cancellation circuit that does not process the RFI-affected frequency bands of the digital signals by modifying original masking parameters applied to the equalizer and the far-end crosstalk canceller;
performing RFI cancellation by an RFI canceller; and
outputting the digital signals with RFI cancellation.