Merge remote-tracking branch 'origin/main' into main

Classes/01_transmit/Pulseformer.m

@@ -118,7 +118,7 @@ classdef Pulseformer
 %             data_out = upfirdn(data_in,h,up,dn);
 % 
 %             %cut signal, which is longer due to fir filter
-%             st = round(up/dn*racos_len/2); %we need to cut y_out
+             st = round(up/dn*racos_len/2); %we need to cut y_out
 %             en = round(st + (length(data_in)*up/dn) -1);
 % 
 %             data_out = data_out(st:en);

MPI_offline_analysis/mpi_analysis_pam4.m

@@ -0,0 +1,64 @@
+
+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;
+
+% 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;
+
+
+% 1) normlaize
+y_rx = y_rx.normalize("mode","rms");
+
+
+% 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);
+
+
+[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');
+
+
+% 2.2) MPI reduction blocks
+
+% 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;
+
+% 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)]);

setup_simulation.m

@@ -378,6 +378,6 @@ for lp = 1
         hold off
 
     end
-end
+