guibene
84fb51d88c
git-svn-id: http://svn.eurecom.fr/openair4G/trunk@4306 818b1a75-f10b-46b9-bf7c-635c3b92a50f
18 lines
559 B
Matlab
18 lines
559 B
Matlab
vlen=76800
|
|
chan=2
|
|
|
|
gainimb_rx = -0.0020; phaseimb_rx = -2.38; % ExMIMO1 / lime1, VGAgain2 = 0, 1.9 GHz
|
|
gainimb_rx = 0.55; phaseimb_rx = 24.3; % ExMIMO1 / lime1, VGAgain2 = 0, 1.9 GHz
|
|
|
|
phaseimb_rx = phaseimb_rx/180*pi; % phaser imb in radians
|
|
beta_rx = (1/2)*(1 + (1+ gainimb_rx) * exp(1i*phaseimb_rx));
|
|
alpha_rx = (1/2)*(1 - (1+ gainimb_rx) * exp(-1i*phaseimb_rx));
|
|
den=abs(beta_rx)^2-abs(alpha_rx)^2;
|
|
beta_rx=beta_rx/den;
|
|
alpha_rx=alpha_rx/den;
|
|
|
|
s2 = beta_rx.*s + alpha_rx.*conj(s);
|
|
hold off ; plot(20*log10(abs(fftshift(fft(s2(:,chan)))))); grid on;
|
|
|
|
|