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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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19
Functions/EQ_structures/duobinary_target.m
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@@ -23,8 +23,8 @@ if ~isempty(options.postFFE)
end
mlse_.DIR = [1,1];
mlse_sig_sd = mlse_.process(eq_signal);
% mlse_sig_sd = mlse_.process(eq_signal);
[mlse_sig_sd,LLR,GMI_MLSE] = mlse_.process(eq_signal,tx_symbols);
mlse_sig_hd = PAMmapper(M,0,"eth_style",options.eth_style_symbol_mapping).quantize(mlse_sig_sd);
% precoding to mitigate error propagation, most prominently used in
@@ -73,6 +73,10 @@ end
rx_bits = PAMmapper(M,0,"eth_style",options.eth_style_symbol_mapping).demap(mlse_sig_hd);
[bits_db,errors_db,ber_db,errorIndice_db] = calc_ber(rx_bits.signal,tx_bits.signal,"skip_front",100,"skip_end",150,"returnErrorLocation",1);
alpha = arburg(eq_noise.signal,1);%pf_.coefficients(2);
alpha = alpha(2);
gmi_mlse = GMI_MLSE;
air_mlse = tx_symbols.fs .* floor(log2(double(M))*10)/10 .* gmi_mlse ./ log2(double(M));
db_results = struct();
db_results.metrics = Metricstruct;
@@ -85,13 +89,10 @@ db_results.metrics.numBits = bits_db;
db_results.metrics.numBitErr = errors_db;
db_results.metrics.BER_precoded = ber_db_diff_precoded;
db_results.metrics.numBitErr_precoded = errors_db_diff_precoded;
db_results.metrics.SNR = NaN;
db_results.metrics.SNR_level = NaN;
db_results.metrics.GMI = NaN;
db_results.metrics.AIR = NaN;
db_results.metrics.EVM = NaN;
db_results.metrics.EVM_level = NaN;
db_results.metrics.GMI = gmi_mlse;
db_results.metrics.AIR = air_mlse;
db_results.metrics.MLSE_dir = mlse_.DIR;
db_results.metrics.Alpha = alpha;
% Create DB results structure
db_results.config = Equalizerstruct();
@@ -99,7 +100,7 @@ eq_.e = [];
eq_.e2 = [];
eq_.e3 = [];
db_results.config.eq = jsonencode(eq_);
mlse_.DIR = [];
% mlse_.DIR = [];
db_results.config.mlse = jsonencode(mlse_);
db_results.config.equalizer_structure = int32(equalizer_structure.vnle_db_mlse);
db_results.config.comment = 'function: Duobinary tgt. (VNLE -> MLSE)';