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Simulation preps for high speed.

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This commit is contained in:
Silas Oettinghaus
2025-11-14 11:45:13 +01:00
parent 0080cb2264
commit 888cbbd23e
9 changed files with 384 additions and 535 deletions
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22
Functions/EQ_structures/duobinary_signaling.m
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@@ -35,8 +35,26 @@ if ~isempty(options.postFFE)
[eq_signal, eq_noise] = options.postFFE.process(eq_signal, tx_symbols);
end
% Process through MLSE
[mlse_signal] = mlse_.process(eq_signal);
if isa(mlse_,'MLSE_viterbi')
[mlse_signal] = mlse_.process(eq_signal);
else
% Aufpassen mit welcher Sequenz man hier vergleicht für LLR stuff...
% gespeichtere "Symbols" sind schon DB codiert, das wollen wir hier
% nicht! Sondern die precoded aber nicht db-encoded müssen als ref in
% die LLR berechnung gehen!
ref_sym = PAMmapper(M,0).map(tx_bits); %ist klar
ref_sym_dpc = Duobinary().precode(ref_sym); % precoded
% ref_sym_dbenc = Duobinary().encode(ref_sym_dpc); %encoded - das wurde gesendet!
% ref_sym_dec = Duobinary().decode(ref_sym_dbenc); %ref_sym wieder zurück!
mlse_.trellis_states = PAMmapper(M,0).levels;
mlse_.trellis_state_mode = 1;
[mlse_signal,LLR,GMI_MLSE] = mlse_.process(eq_signal,ref_sym_dpc);
end
% tx_symbols_ = Duobinary().decode(tx_symbols);
% [mlse_signal,~,GMI_MLSE] = mlse_.process(eq_signal,tx_symbols);