http://www.tut.fi/full-duplex/splines_globecom_2018.pdf
PP Campo, D Korpi, L Anttila, M Valkama
In this paper, a novel digital self-interference canceller based on a Hammerstein adaptive filter is proposed and examined. The proposed system consists of a spline-interpolated lookup table to model the nonlinear power amplifier, followed by a linear …