girem.m

来自「OFDM降低峰平比采用预失真技术」· M 代码 · 共 24 行

% girem.m
% Function to remove guard interval from received signal

function [ich8,qch8]= girem(ich6,qch6,fftlen2,gilen,nd);

%****************** variables *************************
% idata       : Input Ich data
% qdata       : Input Qch data
% iout        : Output Ich data
% qout        : Output Qch data
% fftlen2     : Length of FFT (points)
% gilen       : Length of guard interval (points)
% nd          : Number of OFDM symbols
% *****************************************************

idata2=reshape(ich6,fftlen2,nd);
qdata2=reshape(qch6,fftlen2,nd);

ich8=idata2(gilen+1:fftlen2,:);
qch8=qdata2(gilen+1:fftlen2,:);

%******************** end of file ***************************