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EQ update vom Arbeits PC

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This commit is contained in:
Silas Oettinghaus
2023-10-06 15:19:09 +02:00
parent edbeb64419
commit cc4a66adae
3 changed files with 470 additions and 58 deletions
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133
MPI_offline_analysis/mpi_analysis_pam4.m
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@@ -1,64 +1,107 @@
clear;
col = linspecer(6);
% load dataset
simdata = load('/Users/silasoettinghaus/Documents/MATLAB/Labor_Datensatz_PAM4_MPI/pam4_10km_1km/pam4__loop_10_92Gbd_19092023_1508.mat');
% get common variables of simulation loop
fdac = simdata.saveStructTemp.common.f_DAC;
fadc = simdata.saveStructTemp.common.f_ADC;
fsym = simdata.saveStructTemp.common.f_sym;
foldername = 'C:\Users\Silas\Documents\MATLAB\Labor_Datensatz_PAM4_MPI\pam4_10km_1km';
% 0) build RX Signal
allfiles = dir(foldername);
y_rx = Electricalsignal(simdata.saveStructTemp.dp_tsynch_out');
y_rx.fs = 2.*fsym;
% 0) build tx reference Signal for eq training
y_digimod = Electricalsignal(simdata.saveStructTemp.digi_mod_out');
y_digimod.fs = fsym;
parfsym = zeros(1,length(allfiles));
parsir = zeros(1,length(allfiles));
ber_wo_reduction = zeros(1,length(allfiles));
ber_w_dcremoval = zeros(1,length(allfiles));
mudc = zeros(1,length(allfiles));
% 1) normlaize
y_rx = y_rx.normalize("mode","rms");
parfor i = 1:length(allfiles)
if allfiles(i).bytes ~= 0
current_filename = allfiles(i).name;
else
continue
end
% load dataset
simdata = load([foldername,filesep, current_filename]);
% get common variables of simulation loop
%even if redundant, save stuff to results struct
parsir(i) = simdata.saveStructTemp.awg2scope_keysight_state.eigenlight_mpi - 3.3 + 7.2;
parfsym(i) = simdata.saveStructTemp.common.f_sym;
fdac = simdata.saveStructTemp.common.f_DAC;
fadc = simdata.saveStructTemp.common.f_ADC;
fsym = simdata.saveStructTemp.common.f_sym;
% 0) build RX Signal
y_rx = Electricalsignal(simdata.saveStructTemp.dp_tsynch_out');
y_rx.fs = 2.*fsym;
% 0) build tx reference Signal for eq training
y_digimod = Electricalsignal(simdata.saveStructTemp.digi_mod_out');
y_digimod.fs = fsym;
% 2.1) equalize
eq = EQ("K",2,"plottrain",0,"plotfinal",0,...
"training_length",4096,"training_loops",3,...
"Ne",[50,9,3],"Nb",[2,0,0],...
"DCmu",0,"DDmu",[0.0004 0.0005 0.0005 0.0005 ],"DFEmu",0.005,"FFEmu",0.005,...
"dd_loops",3,"epsilon",[10 100 1000 ],"M",2,...
"thres",[0.005 0.0004 0.0005 ],"l1act",0,"delay",0,"rho",0.0005,"ideal_dfe",0,"DB_aim",0);
eq2 = EQ_silas("Ne",[50,9,9],"Nb",[0,0,0],"trainlength",4096,"mu_dc_dd",0.05,"mu_dc_train",0.05,"mu_ffe_train",0.005,"mu_combined_dd",[0.0004 0.0005 0.0005 0.0005 ],"ddloops",3,"trainloops",3);
% 1) normlaize
y_rx = y_rx.normalize("mode","rms");
[Eq_out] = eq.process(y_rx,y_digimod);
[Eq_out2] = eq2.process(y_rx,y_digimod);
figure()
scatter(1:length(y_rx.signal),y_rx.signal,4,'.','MarkerEdgeColor',col(2,:),'DisplayName','After EQ');
hold on
%scatter(1:length(Eq_out.signal),Eq_out.signal,4,'.','MarkerEdgeColor',col(4,:),'DisplayName','After EQ');
hold on
scatter(1:length(Eq_out2.signal),Eq_out2.signal,3,'.','MarkerEdgeColor',col(3,:),'DisplayName','After EQ');
% 2.1) equalize
eq = EQ("K",2,"plottrain",0,"plotfinal",0,...
"training_length",4096,"training_loops",4,...
"Ne",[50,9,9],"Nb",[2,0,0],...
"DCmu",0.05,"DDmu",[0.0004 0.0004 0.0004 0.0004 ],"DFEmu",0.005,"FFEmu",0,...
"dd_loops",4,"epsilon",[10 100 1000 ],"M",2,...
"thres",[0.005 0.004 0.005 ],"l1act",0,"delay",0,"rho",0.0005,"ideal_dfe",0,"DB_aim",0);
% 2.2) MPI reduction blocks
[Eq_out] = eq.process(y_rx,y_digimod);
% 3) digital demodulation
digimod = PAMmapper(2^simdata.saveStructTemp.common.M,0);
d_hat = digimod.demap(Eq_out);
d_hat2 = digimod.demap(Eq_out2);
d_ = digimod.demap(Electricalsignal(simdata.saveStructTemp.digi_mod_out'));
d = simdata.saveStructTemp.prms_out;
% 2.2) MPI reduction blocks
% 3) digital demodulation
digimod = PAMmapper(2^simdata.saveStructTemp.common.M,0);
d_hat = digimod.demap(Eq_out);
d_ = digimod.demap(Electricalsignal(simdata.saveStructTemp.digi_mod_out'));
d = simdata.saveStructTemp.prms_out;
% 4) BER calculation
[totalbits,errors_bm,ber_dhat,loc] = calc_ber(d_hat.signal(1:end,:) ,d(1:end,:)',"skip",0,"returnErrorLocation",1);
ber_nodctap = mean(simdata.saveStructTemp.prms_compare_state.BER );
disp(['BER_new_eq1: ',num2str(ber_dhat),' BER_old: ',num2str(ber_nodctap)]);
% 5) save to struct
ber_wo_reduction(i) = ber_nodctap;
ber_w_dcremoval(i) = ber_dhat;
mudc(i) = eq.DCmu;
end
rate = [92e9, 56e9];
figure(99)
for r = 1:length(rate)
a = [parsir(parfsym==rate(r));ber_wo_reduction(parfsym==rate(r))];
a=sort(a,2);
plot(a(1,:),a(2,:),'DisplayName',[num2str(rate(r).*1e-9),' GBd; PAM4; w/o reduction'],'LineWidth',2,'Marker','o','MarkerSize',3);
%scatter(parsir(parfsym==rate(r)),ber_wo_reduction(parfsym==rate(r)),'DisplayName',[num2str(rate(r).*1e-9),' GBd; PAM4; w/o reduction'],'LineWidth',2,'Marker','o')
hold on
b = [parsir(parfsym==rate(r));ber_w_dcremoval(parfsym==rate(r))];
b=sort(b,2);
plot(b(1,:),b(2,:),'DisplayName',[num2str(rate(r).*1e-9),' GBd; PAM4; adaptive DC removal'],'LineWidth',2,'Marker','+','MarkerSize',3);
%scatter(parsir(parfsym==rate(r)),ber_w_dcremoval(parfsym==rate(r)),'DisplayName',[num2str(rate(r).*1e-9),' GBd; PAM4; adaptive DC removal'],'LineWidth',2,'Marker','+');
end
set(gca, 'YScale', 'log')
yline(3.8e-3,'LineWidth',1.5);
% 4) BER calculation
[totalbits,errors_bm,ber_dhat,loc] = calc_ber(d_hat.signal(1:end,:) ,d(1:end,:)',"skip",0,"returnErrorLocation",1);
[totalbits2,errors_bm2,ber_dhat2,loc] = calc_ber(d_hat2.signal(1:end,:) ,d(1:end,:)',"skip",0,"returnErrorLocation",1);
ber_nodctap = mean(simdata.saveStructTemp.prms_compare_state.BER );
disp(['BER_new_eq1: ',num2str(ber_dhat),' BER_new_eq2: ',num2str(ber_dhat2),' BER_old: ',num2str(ber_nodctap)]);