209 lines
6.4 KiB
Matlab
209 lines
6.4 KiB
Matlab
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clear
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sir_loop = [-25:2:-13];
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sir_loop = 0;
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lw_loop = [1,2,3];
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data = cell(length(sir_loop),length(lw_loop));
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iterations=size(data);
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parfor ix = 1:numel(data)
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[u1,u2] = ind2sub(iterations,ix);
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output = imddmodel(sir_loop(u1),lw_loop(u2));
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data{ix} = output;
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end
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for sir = 1:size(data,1)
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for lw = 1:size(data,2)
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ber_bm(sir,lw) = data{sir,lw}.ber_bm;
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ber_dcsm(sir,lw) = data{sir,lw}.ber_dcsm;
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ber_lvsm(sir,lw) = data{sir,lw}.ber_lvsm;
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ber_lvlp(sir,lw) = data{sir,lw}.ber_lvlp;
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end
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end
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col = [ 0.6510 0.8078 0.8902
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0.6980 0.8745 0.5412
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0.9922 0.7490 0.4353];
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figure(22)
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for l = 1:numel(lw_loop)
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hold on
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plot(sir_loop,ber_bm(:,l),'DisplayName',['DC mode:', num2str(lw_loop(l)),', Linewidth= 50 MHz'],'Marker','o','MarkerFaceColor',col(l,:),'Color',col(l,:),'LineWidth',2,'LineStyle','--');
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end
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set(gca,'yscale','log');
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yline(3.8e-3,'LineWidth',2,'LineStyle','--','HandleVisibility','off');
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set(gca,'xdir','reverse');
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%% Plot
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col = linspecer(8);
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figure(1)
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hold on
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m = ["x","o","pentagram","hexagram","*","+"];
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cnt = 1;
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for d = 1%:size(data,2)
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for dc = 1:size(data,1)
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for lw = 1:size(data,3)
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ber_bm(dc,d,lw) = (data{dc,d,lw}.ber_bm);
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ber_dcsm(dc,d,lw) = data{dc,d,lw}.ber_dcsm;
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ber_lvsm(dc,d,lw) = data{dc,d,lw}.ber_lvsm;
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ber_lvlp(dc,d,lw) = (data{dc,d,lw}.ber_lvlp);
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end
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end
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i = 1;
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comm_dn = [];% ['EQ DC Tap: ',num2str(dc_tap_loop(d)),' m'];
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title("Dependency on Laser Linewidth; B2B; Delay : 2*50m")
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plot(lw_loop*1e-6,mean(squeeze(ber_bm(1:end,d,:)),1),"LineWidth",1.2,"Marker",m(1),"MarkerSize",5,'Color',col(cnt,:),'DisplayName',[' ',comm_dn]);
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plot(lw_loop*1e-6,mean(squeeze(ber_dcsm(1:end,d,:)),1),"LineWidth",1,"Marker",m(1+4),"MarkerSize",5,'LineStyle','--','Color',col(cnt,:),'DisplayName',['DC smoothing ',comm_dn],'HandleVisibility','on');
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plot(lw_loop*1e-6,mean(squeeze(ber_lvsm(1:end,d,:)),1),"LineWidth",1.2,"Marker",m(1+1),"MarkerSize",5,'LineStyle',':','Color',col(cnt,:),'DisplayName',['Lvl Smoothing ',comm_dn],'HandleVisibility','on');
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plot(lw_loop*1e-6,mean(squeeze(ber_lvlp(1:end,d,:)),1),"LineWidth",1,"Marker",m(1+3),"MarkerSize",5,'LineStyle','-.','Color',col(cnt,:),'DisplayName',['Lvl Lowpass ',comm_dn],'HandleVisibility','on');
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set(gca,'yscale','log');
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set(gca,'xscale','log');
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%xticklabels([10 100 1000 10000]);
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grid minor
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yline(3.8e-3,'LineWidth',2,'LineStyle','--','HandleVisibility','off');
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ylim([1e-3 4e-2]);
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ylabel("BER");
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xlabel("Linewidth in MHz")
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legend
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cnt = cnt+1;
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end
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figure(1)
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contour(lw_loop,sir_loop,thres_a0,16:0.4:21,'LineWidth',2,'FaceAlpha',0.3,'ShowText','on',"LabelFormat","%0.1f dB");
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clim([16 21]);
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ylabel("Bandwidth in Multiples of Linewidth");
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xlabel("Linewidth in MHz");
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% set(gca,'yscale','log');
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grid minor
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title("MPI removal - Optimization of Lowpass Filter Bandwidth")
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figure(2)
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contour(lw_loop,sir_loop([1:10,12:end]),thres_a0([1:10,12:end],:),16:0.3:21,'LineWidth',2,'FaceAlpha',0.3,'ShowText','on',"LabelFormat","%0.1f dB");
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clim([16 21]);
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ylabel("Window Length");
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xlabel("Linewidth in MHz");
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set(gca,'yscale','log');
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grid minor
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title("MPI removal - Optimization of Averaging Window Length")
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%% Plot Winlen Contour
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hdfec = 3.8e-3.*ones(size(sir_loop));
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for dc = 1:size(data,2)
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for lw = 1:size(data,3)
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for s = 1:size(data,1)
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ber_lvlp(s,dc,lw) = data{s,dc,lw}.ber_dcsm;
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% ber_dcsm(wl,lw,s) = data{wl,s,lw}.ber_dcsm;
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end
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a_bm = InterX([sir_loop;squeeze(ber_lvlp(:,dc,lw))'],[sir_loop;hdfec]);
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% a_dcsm = InterX([sirloop;squeeze(ber_dcsm(wl,lw,:))'],[sirloop;hdfec]);
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try
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thres_a0(dc,lw) = -a_bm(1);
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%thres_a1(wl,lw) = -a_dcsm(1);
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catch
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thres_a0(dc,lw) = NaN;
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%thres_a1(wl,lw) = NaN;
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end
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end
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end
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figure(1)
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contour(lw_loop,bw_loop,thres_a0,14:0.2:21,'LineWidth',1.5,'FaceAlpha',0.3,'ShowText','on',"LabelFormat","%0.1f dB");
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a = flip(cbrewer2('seq','Spectral',32));
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a = [a(1:12,:); a(22:end,:)];
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colormap(a);
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clim([16 21]);
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ylabel("Window Length");
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xlabel("Linewidth in MHz");
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yticks(bw_loop);
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yticklabels(bw_loop);
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set(gca,'yscale','log');
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set(gca,'xscale','log');
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grid minor
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%% Plot DC Tap Contour
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hdfec = 3.8e-3.*ones(size(bw_loop));
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thres_a0 = zeros(size(ber,1),size(ber,3));
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thres_a1 = zeros(size(ber,1),size(ber,3));
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for dc = 1:size(ber,1)
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for lw = 1:size(ber,3)
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a_lvsm = InterX([bw_loop;ber(dc,:,lw)],[bw_loop;hdfec]);
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thres_a0(dc,lw) = -a_lvsm(1);
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a1 = InterX([bw_loop;ber_a1(dc,:,lw)],[bw_loop;hdfec]);
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thres_a1(dc,lw) = -a1(1);
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end
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end
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figure(1)
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subplot(2,1,1)
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contour(lw_loop,sir_loop,thres_a0,16:0.5:21,'LineWidth',3,'FaceAlpha',0.3,'ShowText','on',"LabelFormat","%0.1f dB");
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clim([16 21]);
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ylabel("DC Tap");
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xlabel("Linewidth in MHz");
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set(gca,'yscale','log');
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grid minor
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subplot(2,1,2)
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contour(lw_loop,sir_loop,thres_a1,16:0.5:21,'LineWidth',3,'FaceAlpha',0.3,'ShowText','on',"LabelFormat","%0.1f dB");
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clim([16 21]);
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ylabel("DC Tap");
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xlabel("Linewidth in MHz");
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set(gca,'yscale','log');
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grid minor
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%% Plot Curves of required SIR to see the minimum a bit better
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col = flip(cbrewer2('seq','Spectral',16));
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col = col([1:4, 10:end],:);
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figure(2)
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hold on
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for lw = [size(ber,3):-2:2 2 1]
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plot(sir_loop,thres_a0(:,lw),'DisplayName',[' Linewidth: ',num2str(lw_loop(lw)*1e-6), ' MHz'],'Color',col(lw,:),'Marker','o','MarkerFaceColor',col(lw,:),'LineWidth',2);
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set(gca,'xscale','log');
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end
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xlabel("DC Tap Value");
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ylabel("Required SIR to rech FEC in dB");
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%%
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col = linspecer(7);
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figure(3)
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cnt=1;
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for lw = [1,2,11]
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for i = 1:length(sir_loop)-1
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subplot(1,3,cnt)
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hold on
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plot(-1.*bw_loop,ber(i,:,lw),"LineWidth",2,"Marker","o","MarkerSize",5,'Color',col(i,:),'DisplayName',['DC tap ',num2str(sir_loop(i))]);
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plot(-1.*bw_loop,ber_a1(i,:,lw),"LineWidth",2,"Marker","x","MarkerSize",5,'LineStyle','--','Color',col(i,:),'DisplayName',['A1. DC tap ',num2str(sir_loop(i))]);
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yline(3.8e-3,'LineWidth',2,'LineStyle','--','HandleVisibility','off');
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set(gca,'yscale','log');
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grid minor
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xlim([15,30]);
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ylim([1e-4,1e-2]);
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xlabel("SIR in dB");
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ylabel("BER");
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title(['BER for different SIR;',' Linewidth: ',num2str(lw_loop(lw)*1e-6), ' MHz'])
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text(25,4.2e-3,"FEC $3.8 e^{-3}$");
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end
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cnt = cnt+1;
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end
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legend
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