FFE now has a automatic optimization of the mu-parameters -> enables the fast comparison of LMS, NLMS and RLS and also good for very long filters (1000+ taps) which might be unstable else.

Minor changes here and there
2026-05-12 10:40:03 +02:00
parent 56b48095db
commit f883071dec
13 changed files with 524 additions and 65 deletions
--- a/projects/Advanced_DSP_for_400G_IMDD_experiments/Auswertung_JLT/final/FIGURE_Spectra.m
+++ b/projects/Advanced_DSP_for_400G_IMDD_experiments/Auswertung_JLT/final/FIGURE_Spectra.m
@@ -1,6 +1,17 @@
 dsp_options.storage_path    = 'Z:\2024\sioe_labor\';
 dsp_options.max_occurences = 1;
-database    = DBHandler("dataBase", 'labor_highspeed', "type",  'mysql' );
+% database    = DBHandler("dataBase", 'labor_highspeed', "type",  'mysql' );
+dsp_options.database_type   = "mysql";
+dsp_options.dataBase        = 'labor_highspeed';%'C:\Users\Silas\Documents\MATLAB\Datensätze\sioe_labor\silas_labor_newdsp_newstructure.db';
+dsp_options.server          = "192.168.178.192";% "134.245.243.254";
+dsp_options.user            = "silas";
+dsp_options.password        = "silas";
+dsp_options.storage_path    = 'W:\labdata\sioe_labor\';
+database = DBHandler("dataBase", [dsp_options.dataBase],...
+    "type", dsp_options.database_type,...
+    "server", dsp_options.server,...
+    "user", dsp_options.user, "password", dsp_options.password);
+

 rates = [420e9];
 cols = cbrewer2('BuPu',25);
@@ -10,10 +21,10 @@ cols = cbrewer2('Set1',6);
 fignum = 200;
 fig=figure(fignum);clf;

-for dbmode = 1%length(rates)
+for dbmode = 0%length(rates)


-    if 0
+    if 1
    rcalpha     = 0.05;
    fsym = rates/2;
    pulsef = 1;
@@ -41,7 +52,7 @@ for dbmode = 1%length(rates)
        maxamp = -37;
        precomp_est = ChannelFreqResp("Nacq",2048,"Navg",100,"Ncp",63,'f_ref',Digi_sig.fs);

-        precomp_path = "C:\Users\Silas\Documents\MATLAB\Datensätze\sioe_labor\precomp";
+        precomp_path = "W:\labdata\sioe_labor\precomp";
        precomp_fn = "lab_high_speed";
        Digi_sig_pre = precomp_est.precomp(Digi_sig,'maxampdb',maxamp,'loadPath',precomp_path,'fileName',precomp_fn);

--- a/projects/Advanced_DSP_for_400G_IMDD_experiments/Auswertung_JLT/final/generate_spectrum_plots.m
+++ b/projects/Advanced_DSP_for_400G_IMDD_experiments/Auswertung_JLT/final/generate_spectrum_plots.m
@@ -1,7 +1,16 @@
 dsp_options.storage_path    = 'Z:\2024\sioe_labor\';
 dsp_options.max_occurences = 1;
-database    = DBHandler("dataBase", 'labor_highspeed', "type",  'mysql' );
-
+% database    = DBHandler("dataBase", 'labor_highspeed', "type",  'mysql' );
+        dsp_options.database_type   = "mysql";
+        dsp_options.dataBase        = 'labor_highspeed';%'C:\Users\Silas\Documents\MATLAB\Datensätze\sioe_labor\silas_labor_newdsp_newstructure.db';
+        dsp_options.server          = "192.168.178.192";% "134.245.243.254";
+        dsp_options.user            = "silas";
+        dsp_options.password        = "silas";
+        dsp_options.storage_path    = 'W:\labdata\sioe_labor\';
+        database = DBHandler("dataBase", [dsp_options.dataBase],...
+                        "type", dsp_options.database_type,...                         
+                        "server", dsp_options.server,...
+                        "user", dsp_options.user, "password", dsp_options.password);
 rate = 390e9;

 %% 1 - PAM 4 with preemphasis
@@ -14,7 +23,7 @@ fp.where('Runs', 'wavelength','EQUALS', 1310);
 fp.where('Runs', 'db_mode','EQUALS', 0);              
 fp.where('Runs', 'rop_attenuation','EQUAL', 0);      

-[dataTable,~] = db.queryDB(fp, database.getTableFieldNames('Runs'));
+[dataTable,~] = database.queryDB(fp, database.getTableFieldNames('Runs'));

 dataTable   = queryRunid(dataTable.run_id, database);
 fsym        = dataTable.symbolrate;
@@ -46,7 +55,7 @@ fp.where('Runs', 'wavelength','EQUALS', 1310);
 fp.where('Runs', 'db_mode','EQUALS', 1);              
 fp.where('Runs', 'rop_attenuation','EQUAL', 0);      

-[dataTable,~] = db.queryDB(fp, database.getTableFieldNames('Runs'));
+[dataTable,~] = database.queryDB(fp, database.getTableFieldNames('Runs'));

 dataTable   = queryRunid(dataTable.run_id, database);
 fsym        = dataTable.symbolrate;
--- a/projects/Advanced_DSP_for_400G_IMDD_experiments/Auswertung_JLT/run_dsp_from_db.m
+++ b/projects/Advanced_DSP_for_400G_IMDD_experiments/Auswertung_JLT/run_dsp_from_db.m
@@ -12,11 +12,14 @@ if dsp_options.mode == "load_run_id"

        dsp_options.database_type   = "mysql";
        dsp_options.dataBase        = 'labor_highspeed';%'C:\Users\Silas\Documents\MATLAB\Datensätze\sioe_labor\silas_labor_newdsp_newstructure.db';
+        dsp_options.server          = "192.168.178.192";% "134.245.243.254";
+        dsp_options.user            = "silas";
+        dsp_options.password        = "silas";
        dsp_options.storage_path    = 'W:\labdata\sioe_labor\';
        db = DBHandler("dataBase", [dsp_options.dataBase],...
                        "type", dsp_options.database_type,...                         
-                        "server","192.168.178.192",...% "server","134.245.243.254",...
-                        "user","silas","password","silas");
+                        "server", dsp_options.server,...
+                        "user", dsp_options.user, "password", dsp_options.password);

    elseif experiment == "mpi_ecoc_2025"

@@ -379,4 +382,4 @@ ylabel('AIR in Gbps');
 set(gca, 'XTick', xticks_vals(1:2:end), 'XTickLabel', xtick_labels(1:2:end));
 grid on;
 legend('Location','best');
-% xlim([1, 256])
+% xlim([1, 256])
--- a/projects/IMDD_base_system/minimal_example.m
+++ b/projects/IMDD_base_system/minimal_example.m
@@ -1,7 +1,7 @@
 % minimal example IM/DD

 M               = 4;
-fsym            = 112e9;
+fsym            = 180e9;

 apply_pulsef    = 1;
 fdac            = 256e9;
@@ -63,8 +63,8 @@ Pform = Pulseformer("fsym",fsym,"fdac",4*fsym,"pulse","rrc","pulselength",16,"al
    "mrds_code",0,"mrds_blocklength",512).process();

 %%%%% AWG
-% El_sig = M8199A("kover",kover).process(Digi_sig);
-El_sig = AWG("fdac",fdac,"f_cutoff",fsym,"lpf_active",0,"kover",kover,"bit_resolution",12,"upsampling_method","samplehold","precomp_sinc_rolloff",1).process(Digi_sig);
+El_sig = M8199B("kover",kover).process(Digi_sig);
+% El_sig = AWG("fdac",fdac,"f_cutoff",fsym,"lpf_active",0,"kover",kover,"bit_resolution",12,"upsampling_method","samplehold","precomp_sinc_rolloff",1).process(Digi_sig);
 El_sig.spectrum("displayname",'Digi Spectrum','fignum',1,'normalizeTo0dB',1);
 xlim([0,130]);
 ylim([-30,5]);
@@ -130,24 +130,24 @@ Scpe_sig = Scpe_sig - mean(Scpe_sig.signal);
 Scpe_sig.signal = Scpe_sig.signal(1:2*length(Symbols));

 %%
-
-% -------------------- FFE --------------------
-ffe_order   = [50, 0, 0];
-eq_      = EQ("Ne",ffe_order,"Nb",[2,0,0], ...
-    "training_length",len_tr,"training_loops",5,"dd_loops",5, ...
-    "K",2,"DCmu",mu_dc,"DDmu",[mu_ffe mu_dfe],"DFEmu",0.005, ...
-    "FFEmu",0,"plotfinal",0,"ideal_dfe",0);
-
-% eq_ = FFE("epochs_tr",4,"epochs_dd",5,"len_tr",4096,"mu_dd",0.01,"mu_tr",0.01,"order",50,"sps",2,"decide",0, "adaption",adaption_method.nlms,"dd_mode",1);
-eq_ = FFE_DFE("epochs_tr",5,"epochs_dd",5,"len_tr",512,"ffe_mu_dd",1e-4,"dfe_mu_dd",5e-4,"ffe_mu_tr",0,"dfe_mu_tr",0,"ffe_order",99,"dfe_order",99,"sps",2,"decide",0);
-
-
-output.ffe_results = ffe(eq_,M,Scpe_sig,Symbols,Tx_bits, ...
-    "precode_mode",duob_mode,'showAnalysis',1,"postFFE",[], ...
-    "eth_style_symbol_mapping",0);
-
-output.ffe_results.metrics.print("description",'DFE');
-
+if 0
+    % -------------------- FFE --------------------
+    ffe_order   = [50, 0, 0];
+    eq_      = EQ("Ne",ffe_order,"Nb",[2,0,0], ...
+        "training_length",len_tr,"training_loops",5,"dd_loops",5, ...
+        "K",2,"DCmu",mu_dc,"DDmu",[mu_ffe mu_dfe],"DFEmu",0.005, ...
+        "FFEmu",0,"plotfinal",0,"ideal_dfe",0);
+    
+    % eq_ = FFE("epochs_tr",4,"epochs_dd",5,"len_tr",4096,"mu_dd",0.01,"mu_tr",0.01,"order",50,"sps",2,"decide",0, "adaption",adaption_method.nlms,"dd_mode",1);
+    eq_ = FFE_DFE("epochs_tr",5,"epochs_dd",5,"len_tr",512,"ffe_mu_dd",1e-4,"dfe_mu_dd",5e-4,"ffe_mu_tr",0,"dfe_mu_tr",0,"ffe_order",99,"dfe_order",99,"sps",2,"decide",0);
+    
+    
+    output.ffe_results = ffe(eq_,M,Scpe_sig,Symbols,Tx_bits, ...
+        "precode_mode",duob_mode,'showAnalysis',1,"postFFE",[], ...
+        "eth_style_symbol_mapping",0);
+    
+    output.ffe_results.metrics.print("description",'DFE');
+end
 %%

 % -------------------- VNLE + MLSE --------------------
--- a/projects/Messung_Zürich/dsp_all_files.m
+++ b/projects/Messung_Zürich/dsp_all_files.m
@@ -1,5 +1,5 @@

-M = 6;
+M = 4;
 if M == 2
    file_codes = {'20250221T035221'	'20250221T035354'	'20250221T035824'	'20250221T035931'	'20250221T040035'	'20250221T040132'	'20250221T040226'	'20250221T040523'	'20250221T040646'	'20250221T040723'	'20250221T040843'	'20250221T041011'	'20250221T041101'	'20250221T041244'};
 elseif M == 4
@@ -10,7 +10,7 @@ elseif M ==8
    file_codes = {'20250221T004926'	'20250221T023534'	'20250221T024256'	'20250221T024629'	'20250221T024929'	'20250221T025305'	'20250221T025505'	'20250221T025856'	'20250221T030122'	'20250221T030311'	'20250221T030513'};
 end

-if 0
+if 1
    uloops          = struct;
    uloops.filecode = file_codes;
    uloops.vnle_order1 = [50];
@@ -19,7 +19,7 @@ if 0
    wh = DataStorage(uloops);
    wh.addStorage("ber");

-    wh = submit_handle(@dsp_ief_file,wh,"parallel",1);
+    wh = submit_handle(@dsp_ief_file,wh,"parallel",0);
 end

 if 0
--- a/projects/Messung_Zürich/dsp_ief_file.m
+++ b/projects/Messung_Zürich/dsp_ief_file.m
@@ -36,9 +36,11 @@ function [results] = dsp_ief_file(varargin)
    end
    
    pathToMeasurement = "C:\Users\Silas\Documents\MATLAB\Datensätze\IEF_Polariton_2025\36_IMDD_Kiel\Data\20250221";
+    pathToMeasurement = "W:\labdata\Plasmonic O-band Modulator (ETH Zurich)\Data\20250221";
    filename    = findFileByCode(pathToMeasurement, filecode{1});

    pathToTimingRecov = "C:\Users\Silas\Documents\MATLAB\Datensätze\IEF_Polariton_2025\36_IMDD_Kiel\Data\TR_ZIP";
+    pathToTimingRecov = "W:\labdata\Plasmonic O-band Modulator (ETH Zurich)\Data\TR_ZIP";
    filename_2    = findFileByCode(pathToTimingRecov, filecode{1});
    
    % Extract parameters from the filename using an updated regex
@@ -166,7 +168,7 @@ function [results] = dsp_ief_file(varargin)
        %%%%% VNLE + PF + MLSE %%%%
        if 1
    
-            eq_post     = FFE("epochs_tr",5,"epochs_dd",5,"len_tr",4096*2,"mu_dd",1e-4,"mu_tr",0,"order",1001,"sps",1,"decide",0);
+            eq_post     = FFE("epochs_tr",5,"epochs_dd",5,"len_tr",4096*2,"mu_dd",1e-4,"mu_tr",1.933e-04,"order",1001,"sps",1,"decide",0,"optmize_mus",1,"dd_mode",0);
            pf_         = Postfilter("ncoeff",1,"useBurg",1);
            mlse_       = MLSE("duobinary_output",0,'M',config.M,'trellis_states',PAMmapper(config.M,0).levels);
            mlse_       = MLSE_viterbi("duobinary_output",0,'M',config.M,'trellis_states',PAMmapper(config.M,0).levels);