US Patent 9407298 Radio frequency (RF) analog interference cancellation (AIC) with multiple antennas

Aspects of the disclosure are directed to interference cancellation. A method of performing interference cancellation in a wireless communications device having one or more transmit antennas, one or more transmitters, one or more receive antennas, one or more receivers, one or more coefficient controllers and one or more analog interference cancellation (AIC) circuits includes using the one or more coefficient controllers for determining coefficients for one or more adaptive filters within the one or more AIC circuits.