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+++ Changes +++

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+ duobinary_target now supports memoryless decoding (FFE targets DB response without MLSE)
+ PAMmapper.quantize now supports custom constellations for quantization
+ Added a new folder 'Documentations' for pdfs, slides, etc.
+ Added new FSO evaluation scripts in projects/FSO transmission/Evaluation Scripts
+ Added ffe_db (rudimentary module, not important anymore)
This commit is contained in:
magf
2026-03-05 10:41:21 +01:00
parent 2a724b833f
commit 3676d92b30
32 changed files with 2307 additions and 232 deletions
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23
projects/FSO_transmission/Evaluation Scripts/evalscript_pam_4.m
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@@ -5,7 +5,7 @@ power = [28.02, 33.2, 37.5, 42.3, 46.3, 49.3, 53.4];
power = string(power);
num_pf_coeff = 4;
taps_ffe = [300, 0, 0];
taps_dfe = [0, 0, 0];
% taps_dfe = [0, 0, 0];
M = 4;
trlength = 4096*4;
x = 225:10:285;
@@ -13,20 +13,25 @@ BER_PAM_4 = [];
filter_length = 210;
num_signal = 11;
our_signal = 1;
weighted_DFE = [1, 0.1, 0.1];
for eq_method = 2
for j = 4
BER_run = first_analysis_ber(current(j), power(j), num_pf_coeff, taps_ffe, taps_dfe, M, trlength, eq_method, filter_length, num_signal, our_signal);
BER_PAM_4 = [BER_PAM_4, BER_run];
save_and_append('meineDB.sqlite', 'BER_PAM_4_Save_and_Append', eq_method, num_signal, BER_run, x)
for m = 0:5:40
for eq_method = 2
for j = 4
BER_run = first_analysis_ber(current(j), power(j), num_pf_coeff, taps_ffe, [m, 0, 0], M, trlength, eq_method, filter_length, num_signal, our_signal, weighted_DFE);
BER_PAM_4 = [BER_PAM_4, BER_run];
% save_and_append('meineDB.sqlite', 'BER_PAM_4_Save_and_Append', eq_method, num_signal, BER_run, x)
end
end
BER_PAM_4 = [];
end
save('C:\Users\magf\Desktop\Desktop\Projekte\FSO\Data\BER_PAM_4_Weighted_DFE_' + string(k) + '.mat');
BER_PAM_4 = [];
%%
x = 0:5:40;
for k = 2
BER = load('C:\Users\magf\Desktop\Desktop\Projekte\FSO\Data\BER_PAM_4_DFE_Tap_Sweep_' + string(k) + '.mat');
BER = load('C:\Users\magf\Desktop\Desktop\Projekte\FSO\Data\BER_PAM_4_Weighted_DFE_' + string(k) + '.mat');
BER_values = BER.BER_PAM_4;
figure(202120)
@@ -53,7 +58,7 @@ text(23,2.6e-3,'HD-FEC','Color','b','FontSize', 14, 'Interpreter','latex')
text(23.5,6.5e-3,'KP4+Hamming','Color','g','FontSize', 14,'Interpreter','latex')
text(23,1.4e-4,'KP4','Color','r','FontSize', 14,'Interpreter','latex')
xlabel('Laser Bias Current [mA]', 'Interpreter','latex', 'FontSize', 14)
xlabel('Number of First Order DFE Taps', 'Interpreter','latex', 'FontSize', 14)
ylabel('BER', 'Interpreter','latex', 'FontSize', 14)
% title('BER for PAM-4', 'Interpreter','latex')