version where the signal is flipped and added together

This commit is contained in:
Silas Oettinghaus
2023-07-10 15:08:25 +02:00
parent 93dd63bb18
commit 3c11e4b2e5
10 changed files with 778 additions and 421 deletions

View File

@@ -1,61 +1,196 @@
dc_mu = [0 0.001 0.1];
sirloop = -25:1:0;
lw_loop = [0e6:1e6:10e6];
clear
ber = zeros(length(dc_mu),length(sirloop),length(lw_loop));
ber_a1 = zeros(length(dc_mu),length(sirloop),length(lw_loop));
sir_loop = [-22:1.5:-15];
iterations=size(ber);
%dc_tap_loop = [0.001 0.005 0.01 0.05 0.1 0.25];
bw_loop = [1:10];
parfor ix = 1:numel(ber)
lw_loop = [0e6:0.2e6:1e6 2e6:2e6:10e6 20e6:20e6:100e6];
data = cell(length(sir_loop),length(bw_loop),length(lw_loop));
iterations=size(data);
for ix = 1:numel(data)
[u1,u2,u3] = ind2sub(iterations,ix);
BER = imddmodel(dc_mu(u1),sirloop(u2),lw_loop(u3));
output = imddmodel(sir_loop(u1),bw_loop(u2),lw_loop(u3));
ber(ix) = BER.ber;
ber_a1(ix) = BER.ber_a1;
data{ix} = output;
% ber(ix) = BER.ber;
% ber_a1(ix) = BER.ber_a1;
disp(ix)
end
%% Plot Winlen Contour
hdfec = 3.8e-3.*ones(size(sir_loop));
hdfec = 3.8e-3.*ones(size(sirloop));
for dc = 1:size(data,2)
for lw = 1:size(data,3)
for s = 1:size(data,1)
ber_lvlp(s,dc,lw) = data{s,dc,lw}.ber_dcsm;
% ber_dcsm(wl,lw,s) = data{wl,s,lw}.ber_dcsm;
end
a_bm = InterX([sir_loop;squeeze(ber_lvlp(:,dc,lw))'],[sir_loop;hdfec]);
% a_dcsm = InterX([sirloop;squeeze(ber_dcsm(wl,lw,:))'],[sirloop;hdfec]);
try
thres_a0(dc,lw) = -a_bm(1);
%thres_a1(wl,lw) = -a_dcsm(1);
catch
thres_a0(dc,lw) = NaN;
%thres_a1(wl,lw) = NaN;
end
for dc = 1:size(ber,1)
for lw = 1:size(ber,3)
a = InterX([sirloop;ber(dc,:,lw)],[sirloop;hdfec]);
thres(dc,lw) = -a(1);
end
end
contour(thres,'LineWidth',2);
figure(1)
contour(lw_loop,bw_loop,thres_a0,14:0.2:21,'LineWidth',1.5,'FaceAlpha',0.3,'ShowText','on',"LabelFormat","%0.1f dB");
a = flip(cbrewer2('seq','Spectral',32));
a = [a(1:12,:); a(22:end,:)];
colormap(a);
clim([16 21]);
ylabel("Window Length");
xlabel("Linewidth in MHz");
yticks(bw_loop);
yticklabels(bw_loop);
set(gca,'yscale','log');
set(gca,'xscale','log');
grid minor
%% Plot
col = linspecer(8);
figure(1)
hold on
m = ["x","o","pentagram","hexagram","*","+"];
cnt = 1;
for d = 1%:size(data,2)
for dc = 1:size(data,1)
for lw = 1:size(data,3)
ber_bm(dc,d,lw) = (data{dc,d,lw}.ber_bm);
ber_dcsm(dc,d,lw) = data{dc,d,lw}.ber_dcsm;
ber_lvsm(dc,d,lw) = data{dc,d,lw}.ber_lvsm;
ber_lvlp(dc,d,lw) = (data{dc,d,lw}.ber_lvlp);
end
end
i = 1;
comm_dn = [];% ['EQ DC Tap: ',num2str(dc_tap_loop(d)),' m'];
title("Dependency on Laser Linewidth; B2B; Delay : 2*50m")
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]);
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');
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');
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');
set(gca,'yscale','log');
set(gca,'xscale','log');
%xticklabels([10 100 1000 10000]);
grid minor
yline(3.8e-3,'LineWidth',2,'LineStyle','--','HandleVisibility','off');
ylim([1e-3 4e-2]);
ylabel("BER");
xlabel("Linewidth in MHz")
legend
cnt = cnt+1;
end
figure(1)
contour(lw_loop,sir_loop,thres_a0,16:0.4:21,'LineWidth',2,'FaceAlpha',0.3,'ShowText','on',"LabelFormat","%0.1f dB");
clim([16 21]);
ylabel("Bandwidth in Multiples of Linewidth");
xlabel("Linewidth in MHz");
% set(gca,'yscale','log');
grid minor
title("MPI removal - Optimization of Lowpass Filter Bandwidth")
figure(2)
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");
clim([16 21]);
ylabel("Window Length");
xlabel("Linewidth in MHz");
set(gca,'yscale','log');
grid minor
title("MPI removal - Optimization of Averaging Window Length")
%% Plot DC Tap Contour
hdfec = 3.8e-3.*ones(size(bw_loop));
thres_a0 = zeros(size(ber,1),size(ber,3));
thres_a1 = zeros(size(ber,1),size(ber,3));
for dc = 1:size(ber,1)
for lw = 1:size(ber,3)
a_lvsm = InterX([bw_loop;ber(dc,:,lw)],[bw_loop;hdfec]);
thres_a0(dc,lw) = -a_lvsm(1);
a1 = InterX([bw_loop;ber_a1(dc,:,lw)],[bw_loop;hdfec]);
thres_a1(dc,lw) = -a1(1);
end
end
figure(1)
subplot(2,1,1)
contour(lw_loop,sir_loop,thres_a0,16:0.5:21,'LineWidth',3,'FaceAlpha',0.3,'ShowText','on',"LabelFormat","%0.1f dB");
clim([16 21]);
ylabel("DC Tap");
xlabel("Linewidth in MHz");
set(gca,'yscale','log');
grid minor
subplot(2,1,2)
contour(lw_loop,sir_loop,thres_a1,16:0.5:21,'LineWidth',3,'FaceAlpha',0.3,'ShowText','on',"LabelFormat","%0.1f dB");
clim([16 21]);
ylabel("DC Tap");
xlabel("Linewidth in MHz");
set(gca,'yscale','log');
grid minor
yticks(1:length(dc_mu))
yticklabels(dc_mu);
%% Plot Curves of required SIR to see the minimum a bit better
col = flip(cbrewer2('seq','Spectral',16));
col = col([1:4, 10:end],:);
figure(2)
hold on
for lw = [size(ber,3):-2:2 2 1]
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);
set(gca,'xscale','log');
end
xlabel("DC Tap Value");
ylabel("Required SIR to rech FEC in dB");
xticks(1:length(lw_loop));
xticklabels(lw_loop*1e-6);
%%
col = linspecer(7);
figure(3)
cnt=1;
for lw = [1,2,11]
grid on
for i = 1:length(sir_loop)-1
subplot(1,3,cnt)
hold on
plot(-1.*bw_loop,ber(i,:,lw),"LineWidth",2,"Marker","o","MarkerSize",5,'Color',col(i,:),'DisplayName',['DC tap ',num2str(sir_loop(i))]);
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))]);
yline(3.8e-3,'LineWidth',2,'LineStyle','--','HandleVisibility','off');
set(gca,'yscale','log');
grid minor
xlim([15,30]);
ylim([1e-4,1e-2]);
xlabel("SIR in dB");
ylabel("BER");
title(['BER for different SIR;',' Linewidth: ',num2str(lw_loop(lw)*1e-6), ' MHz'])
text(25,4.2e-3,"FEC $3.8 e^{-3}$");
end
cnt = cnt+1;
end
legend
%
% col = cbrewer2('Paired',12);
% scatter(-1.*thres(1),thres(2),'MarkerEdgeColor',col(2*i,:),'LineWidth',6,'DisplayName',['DC tap ',num2str(dc_mu(i))]);
%
% figure(1)
% hold on
% for i = 1:length(dc_mu)
% plot(-1.*sirloop,ber(i,:),"LineWidth",2,"Marker","o","MarkerSize",3,'Color',col(2*i,:),'DisplayName',['DC tap ',num2str(dc_mu(i))]);
% plot(-1.*sirloop,ber_a1(i,:),"LineWidth",2,"Marker","o","MarkerSize",3,'Color',col(2*i-1,:),'DisplayName',['A1. Linewidth in MHz ',num2str(dc_mu(i)*1e-6)]);
% end
%
% yline(3.8e-3,'LineWidth',2,'LineStyle','--','HandleVisibility','off');
% set(gca,'yscale','log');
% grid minor
% legend
% xlabel("SIR");
% ylabel("BER");
% title("BER for different SIR")