公开(公告)号：DE602005013806D1

公开(公告)日：2009-05-20

申请号：DE602005013806

申请日：2005-12-20

Applicant: ST MICROELECTRONICS NV

Inventor： KIRSCH MIGUEL ,  CATTENOZ REGIS ,  TANRIKULU STEPHANE ,  CATTANEO CHIARA ,  CORSI FEDERICO

IPC: H04L27/26

Abstract: The method of notching the transmission band of an analog signal to be transmitted and including sub-carriers to be modulated from digital modulation coefficients respectively associated to said sub-carriers, said method comprises providing (30) an initial digital signal from successive frequency-domain groups each containing said digital modulation coefficients respectively associated to said sub-carriers, filtering (31) said initial signal with a frequency resolution greater than the frequency resolution of said frequency-domain groups in order to remove frequencies corresponding to said sub-carriers to be removed and windowing (32) said filtered signal using a windowing mask (WMSK) having a representation in the frequency-domain including a main lobe and secondary lobes, the power spectrum of said lobes decreasing faster than the inverse of the frequency squared.