comb.m

OFDM降低峰平比采用预失真技术

% comb.m
% Generate additive white gausian noise

function [ich7,qch7] = comb (ich6,qch6,attn)

%****************** variables *************************
% idata : input Ich data
% qdata : input Qch data
% iout   output Ich data
% qout   output Qch data
% attn : attenuation level caused by Eb/No or C/N
%******************************************************

ich7 = randn(1,length(ich6)).*attn;
qch7 = randn(1,length(qch6)).*attn;
 
ich7 = ich7+ich6(1:length(ich6));
qch7 = qch7+qch6(1:length(qch6));

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