if 0
    uloops          = struct;
    uloops.precomp      = [0,1];
    uloops.db_precode   = [0,1];
    uloops.bitrate      = [300,330,360,390,420,450,480].*1e9; %[300,330,360,390,420,450,480]
    uloops.laser_wavelength = [1293,1302,1310,1318,1327.4];
    uloops.M            = [4,6,8];
    uloops.link_length  = [2]; % 1,2,3,5,6,8,10
    wh = DataStorage(uloops);
    wh.addStorage("ber");
    wh = submit_simulations(wh,"parallel",1,"simulation_mode",0);
    save('wh_2km',"wh");
end



for wavelength = wh.parameter.laser_wavelength.values

    cols = linspecer(6);%cbrewer2('Set2',10);
    figcnt = 0;
    figWidth  = 21;    % Full-width for IEEE double-column papers (~7 inches)
    figHeight = 6;     % Adjust height as needed (~3.5 inches)
    figure('Units','centimeters','Position', [1 1 figWidth figHeight],'PaperUnits','centimeters','PaperPosition', [0 0 figWidth figHeight])
    tiledlayout(1,3, 'Padding', 'compact', 'TileSpacing', 'compact'); 
    for m = uloops.M
    
        
    
        figcnt = figcnt+1;
        % subplot(1,3,figcnt)
        nexttile    
        hold on
        title(sprintf('%d km | %d nm | PAM %d',uloops.link_length,wavelength,m));
    
        precomp = 1;
        db_precode = 0;
        a = wh.getStoValue('ber',precomp, db_precode, uloops.bitrate , wavelength, m, uloops.link_length);
        ber_vnle = cellfun(@(x) x.vnle_pf_package{1,1}.ber_vnle, a);
        ber_vnle_cell = cellfun(@(s) cellfun(@(p) p.ber_vnle, s.vnle_pf_package, 'UniformOutput', true), a, 'UniformOutput', false);
        ber_vnle_best = cellfun(@(c) min(c), ber_vnle_cell);
        plot(uloops.bitrate.*1e-9,ber_vnle_best,'DisplayName',sprintf('Tx precomp + VNLE'),'Color',cols(3,:),'LineStyle','-','HandleVisibility','on');
        xticks(uloops.bitrate.*1e-9);
        xlim([min(uloops.bitrate.*1e-9) max(uloops.bitrate.*1e-9)]);
    
        precomp = 0; %0
        db_precode = 1;
        a = wh.getStoValue('ber',precomp, db_precode, uloops.bitrate , wavelength, m, uloops.link_length);
        % ber_db = cellfun(@(x) x.dbtgt_package{1,1}.ber, a);
        ber_db_cell = cellfun(@(s) cellfun(@(p) p.ber, s.dbtgt_package, 'UniformOutput', true), a, 'UniformOutput', false);
        ber_db_best = cellfun(@(c) min(c), ber_db_cell);
        plot(uloops.bitrate.*1e-9,ber_db_best,'DisplayName',sprintf('DB tgt. + MLSE',uloops.link_length,uloops.M),'Color',cols(1,:),'LineStyle','-','HandleVisibility','on');
        xticks(uloops.bitrate.*1e-9);
        xlim([min(uloops.bitrate.*1e-9) max(uloops.bitrate.*1e-9)]);
    
        precomp = 0; %0
        db_precode = 0; %1
        a = wh.getStoValue('ber',precomp, db_precode, uloops.bitrate , wavelength, m, uloops.link_length);
        % ber_mlse = cellfun(@(x) x.vnle_pf_package{1,1}.ber_mlse, a);
        ber_mlse_cell = cellfun(@(s) cellfun(@(p) p.ber_mlse, s.vnle_pf_package, 'UniformOutput', true), a, 'UniformOutput', false);
        ber_mlse_best = cellfun(@(c) min(c), ber_mlse_cell);
        plot(uloops.bitrate.*1e-9,ber_mlse_best,'DisplayName',sprintf('VNLE + 1 tap post-filter + MLSE',uloops.link_length,uloops.M),'Color',cols(4,:),'LineStyle','-','HandleVisibility','on');
        xticks(uloops.bitrate.*1e-9);
        xlim([min(uloops.bitrate.*1e-9) max(uloops.bitrate.*1e-9)]);
    
        set(gca, 'YScale', 'log');
        ylim([8e-5 0.3]);
        yline([4.8e-3, 2e-2],'HandleVisibility','off','LineWidth',1,'LineStyle','--','Color',[0.1 0.1 0.1]);
        % legend
        beautifyBERplot()
        xlabel('Bit Rate in Gbps');
        ylabel('BER');
    
        if m ==4
            text(310,6.8e-3,"4.8e-3","FontSize",10,"Interpreter","latex")
            text(310,3e-2,"2e-2","FontSize",10,"Interpreter","latex")
        end
    
        % text(0.5,1,sprintf('%d km  %d nm  PAM %d',uloops.link_length,wavelength,m),...
        %     'Units', 'normalized',"FontSize",10,"Interpreter","latex","BackgroundColor",[1 1 1],"EdgeColor",[0 0 0],'HorizontalAlignment','center','VerticalAlignment','top')
    end
    
    lgd = legend;
    % Place the legend underneath the tiled layout
    lgd.NumColumns = 3;
    lgd.Layout.Tile = 'south';

end