NONLINEAR WEIGHTING COEFFICIENT CALCULATION DEVICE AND METHOD

摘要

Provided in an embodiment of the present invention are a nonlinear weighting coefficient calculation device and method, the nonlinear weighting coefficient calculation device comprising: an approximation processing unit utilizing a rational function to conduct approximation processing for a link loss/gain function in a nonlinear distortion estimation within a channel; and a coefficient calculation unit calculating a nonlinear weighting coefficient in the nonlinear distortion estimation via the approximated link loss/ gain function and a high-dispersion approximation so as to acquire a closed solution of a nonlinear weighting coefficient analysis. The embodiment of the present invention can acquire a weighting coefficient with high precision, thus conducting high precision estimation on a nonlinear distortion under a lossy condition.