Many changes here and there. I lost track... :-(

Current work is on MLSE and SD Decoding etc. MLSE is currently not 100% working, the scalings are maybe off?!
2025-08-11 07:42:04 +02:00
parent 09d9e5011c
commit 5dbc48abc0
37 changed files with 1506 additions and 570 deletions
--- a/projects/HighSpeedExperiment_2024/Auswertung_JLT/ber_vs_rate.m
+++ b/projects/HighSpeedExperiment_2024/Auswertung_JLT/ber_vs_rate.m
@@ -0,0 +1,86 @@
+
+database_type   = 'mysql';
+dataBase   = 'labor_highspeed';%'C:\Users\Silas\Documents\MATLAB\Datensätze\sioe_labor\silas_labor_newdsp_newstructure.db';
+db = DBHandler("dataBase", [dataBase], "type", database_type);
+
+fp = QueryFilter();
+% fp.where('Runs', 'run_id','EQUALS', 987); 
+M = 8;
+fp.where('Runs', 'pam_level','EQUALS', M);     
+% fp.where('Runs', 'bitrate','LESS_THAN', 310e9);   
+fp.where('Runs', 'fiber_length','EQUALS', 2);   
+fp.where('Runs', 'is_mpi','EQUALS', 0);                
+% fp.where('Runs', 'interference_path_length','EQUALS', 1000);      
+% fp.where('Runs', 'loop_id','GREATER_THAN', 11);   
+% fp.where('Runs', 'sir','EQUALS',18);  
+fp.where('Runs', 'wavelength','EQUALS', 1310);         
+% fp.where('Runs', 'db_mode','EQUALS', 1);              
+fp.where('Runs', 'rop_attenuation','EQUALS', 0);      
+
+% [dataTable,~] = db.queryDB(fp, db.getTableFieldNames('dashboard'));
+
+eqstructures = unique(dataTable.equalizer_structure);
+% Create the figure
+figure(10);
+hold on
+for pre_emph = [1]
+    
+    dbmode_filtered = dataTable(dataTable.db_mode == ~pre_emph,:);
+
+    for eqs = [equalizer_structure.vnle, equalizer_structure.vnle_pf_mlse , equalizer_structure.vnle_db_mlse]
+
+        eq_choice = equalizer_structure(eqs);
+
+        if sum(eqstructures == eq_choice)~=1
+            disp(eq_choice)
+            continue
+        end
+
+        eq_filtered = dbmode_filtered(dbmode_filtered.equalizer_structure == eq_choice,:);
+        
+        symbolrate_sorted = sortrows(eq_filtered,{'symbolrate','min_BER_precoded'}, 'ascend');
+        [~, ia] = unique(symbolrate_sorted.symbolrate, 'first');        
+        symbolrate_sorted = symbolrate_sorted(ia, :);
+        
+        % Example data (replace these with your real vectors)
+        symbolrate = symbolrate_sorted.symbolrate.*1e-9;  % in baud
+        bitrate   = symbolrate  * floor(log2(M)*10)/10;
+        ber                 = symbolrate_sorted.min_BER;    % BER
+        ber_precoded        = symbolrate_sorted.min_BER_precoded;    % BER
+        cols       = cbrewer2('Paired',12);
+        cols = [0.4660 0.6740 0.1880 ; 0.9290 0.6940 0.1250 ; 0 0.4470 0.7410; 0.4940 0.1840 0.5560]; %VNLE; PF ; DFE ; DB tgt
+        
+        dname = [char(eq_choice)];
+        if pre_emph 
+            dname = [dname,' with pre-emph.'];
+        else
+            dname = [dname,'  w/o pre-emph.'];
+        end
+
+        plot(bitrate, ber, 'LineWidth', 1.5, 'MarkerSize', 5,'Marker','o','LineStyle','-','Color',cols((2*eqs)+1+pre_emph,:),'MarkerEdgeColor',cols((2*eqs)+1+pre_emph,:),'MarkerFaceColor',[1,1,1],'DisplayName',[dname]);
+        plot(bitrate, ber_precoded, 'LineWidth', 1.5, 'MarkerSize', 5,'Marker','square','LineStyle',':','Color',cols((2*eqs)+1+pre_emph,:),'MarkerEdgeColor',cols((2*eqs)+1+pre_emph,:),'MarkerFaceColor',[1,1,1],'DisplayName',[dname,'; pre-coded']);
+        grid on;
+        
+        % Axis labels and title
+        xlabel('Baud Rate GBaud', 'FontSize', 12);
+        ylabel('BER',   'FontSize', 12);
+        title('BER vs. Baud Rate',        'FontSize', 14, 'FontWeight', 'bold');
+        
+        % Improve tick formatting
+        set(gca, 'XScale', 'linear', ...
+                 'YScale', 'log', ...
+                 'TickLabelInterpreter', 'latex', ...
+                 'FontSize', 11);
+        legend
+
+        xticks(bitrate);
+        
+        % Optional: tighten axis limits
+        xlim([min(bitrate), max(bitrate)]);
+        ylim([5e-5, 0.5]);
+
+    end
+
+end
+
+yline([4.85e-3, 2e-2],'LineWidth',1,'LineStyle','--','HandleVisibility','off');    beautifyBERplot();