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Many changes towards simulation of JLT and once again the evaluation of the Highspeed data from Lab experiments 2024

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Silas Oettinghaus
2025-07-09 10:50:53 +02:00
parent 9ce23c4a10
commit 2cff29f239
35 changed files with 1874 additions and 549 deletions
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13
Functions/EQ_structures/duobinary_signaling.m
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@@ -36,20 +36,21 @@ if ~isempty(options.postFFE)
end
% Process through MLSE
eq_signal = mlse_.process(eq_signal);
% [mlse_signal] = mlse_.process(eq_signal);
[mlse_signal,~,GMI_MLSE] = mlse_.process(eq_signal,tx_symbols);
% Apply duobinary encoding and decoding
eq_signal = Duobinary().encode(eq_signal);
eq_signal = Duobinary().decode(eq_signal);
mlse_signal = Duobinary().encode(mlse_signal);
mlse_signal = Duobinary().decode(mlse_signal);
% Demap symbols to bits
rx_bits = PAMmapper(M, 0, "eth_style", options.eth_style_symbol_mapping).demap(eq_signal);
rx_bits = PAMmapper(M, 0, "eth_style", options.eth_style_symbol_mapping).demap(mlse_signal);
%% Calculate BER and metrics
[bits_db, errors_db, ber_db, error_pos] = calc_ber(rx_bits.signal, tx_bits.signal, "skip_front", 100, "skip_end", 150, "returnErrorLocation", 1);
% Calculate performance metrics
[snr, snr_lvl] = calc_snr(tx_symbols.signal, eq_noise.signal);
% Calculate performance metrics after duobinary FFE!
[snr, snr_lvl] = calc_snr(tx_symbols.signal, eq_noise.signal); %SNR of duobinary sequence - not directly comparable to
[gmi] = calc_air(eq_signal, tx_symbols, "skip_front", 10000, "skip_end", 10000);
air = tx_symbols.fs .* floor(log2(double(M))*10)/10 .* gmi ./ log2(double(M));
[evm_total, evm_lvl] = calc_evm(eq_signal, tx_symbols);