Changes from mwork PC.
PDP 2025 MPI analysis new focus on database and SQL
This commit is contained in:
Silas Oettinghaus
@@ -4,12 +4,14 @@ function [results] = dsp_ief_file(varargin)
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mu_ffe1 = 0.0001;
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mu_ffe2 = 0.0008;
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mu_ffe3 = 0.001;
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mu_dc = 0.00;
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mu_dc = 0.0003; %0.0003;
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mu_dfe = 0.0004;
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vnle_order1 = 100;
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mu_dfe_training = 0.0004;
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vnle_order1 = 50;
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vnle_order2 = 3;
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vnle_order3 = 3;
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dfe_mu = 0.0005;
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tcorrect = 0;
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@@ -33,10 +35,11 @@ function [results] = dsp_ief_file(varargin)
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end
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end
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ssdPath = "D:\36_IMDD_Kiel\Data";
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% code = "20250221T004802";
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% code = "20250221T032043";
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filename = findFileByCode(ssdPath, filecode{1});
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pathToMeasurement = "C:\Users\Silas\Documents\MATLAB\Datensätze\IEF_Polariton_2025\36_IMDD_Kiel\Data\20250221";
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filename = findFileByCode(pathToMeasurement, filecode{1});
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pathToTimingRecov = "C:\Users\Silas\Documents\MATLAB\Datensätze\IEF_Polariton_2025\36_IMDD_Kiel\Data\TR_ZIP";
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filename_2 = findFileByCode(pathToTimingRecov, filecode{1});
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% Extract parameters from the filename using an updated regex
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tokens = regexp(filename, 'Pmod_([-0-9p]+)dBm_P_PD_([-0-9p]+)dBm_.*?_(\d+)GBd_(\d+)PAM__\d+T\d+', 'tokens');
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@@ -75,20 +78,45 @@ function [results] = dsp_ief_file(varargin)
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dataRx = double(h5read(filepath, '/Waveforms/Channel 2/Channel 2Data')); % rohdaten des CH4
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bitsTx = h5read(filepath, '/Settings/dataTx'); %Binär
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bitsTx = reshape(bitsTx,log2(config.M),[])';
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if config.M ~= 6
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bitsTx = reshape(bitsTx,log2(config.M),[])';
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else
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%bitsTx = reshape(bitsTx,5,[])';
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end
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%%% Build Tx Signal (Bits, Pam Map, Symbols)
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Tx_bits = Informationsignal(bitsTx);
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Tx_symbols = PAMmapper(config.M,0,"eth_style",1).map(Tx_bits);
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Tx_symbols.fs = config.fsym;
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if 0
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Rx_bits = PAMmapper(config.M,0,"eth_style",1).demap(Tx_symbols);
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[~,~,ber_bw,~] = calc_ber(Rx_bits.signal,Tx_bits.signal(1:length(Rx_bits.signal)),"skip_front",100,"skip_end",150,"returnErrorLocation",1);
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end
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%%% Build Rx Signal (Rx, normalize,remove mean)
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loadAfterTR = 0;
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loadAfterTR = 1;
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if loadAfterTR
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rx_sig = load("testSilas.mat","signal_TR3");
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rx_sig=rx_sig.signal_TR3;
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Rx_Sig_resamp = Informationsignal(rx_sig,"fs",config.fsym*2);
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if 1
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rx_sig = load(filename_2);
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rx_sig=rx_sig.signal_TR;
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if config.M == 6
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rx_sig_pam6 = zeros(length(rx_sig)*2,1);
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rx_sig_pam6(1:2:end) = real(rx_sig);
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rx_sig_pam6(2:2:end) = imag(rx_sig);
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rx_sig = rx_sig_pam6;
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Rx_Sig_resamp = Informationsignal(rx_sig,"fs",config.fsym);
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% Tx_symbols.signal = Tx_symbols.signal(1:end/2);
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else
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Rx_Sig_resamp = Informationsignal(rx_sig,"fs",config.fsym*2);
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end
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else
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rx_sig = load(string(['testSilas_',char(filecode{1}),'.mat']),"signal_TR3");
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rx_sig=rx_sig.signal_TR3;
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Rx_Sig_resamp = Informationsignal(rx_sig,"fs",config.fsym*2);
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end
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else
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@@ -98,39 +126,17 @@ function [results] = dsp_ief_file(varargin)
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Rx_Sig.signal = Rx_Sig.signal - mean(Rx_Sig.signal);
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Rx_Sig = Rx_Sig.normalize("mode","rms");
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Rx_Sig.spectrum("fignum",2,"displayname",'Rx Signal','normalizeTo0dB',1);
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Rx_Sig = Filter('filtdegree',4,"f_cutoff",Tx_symbols.fs.*0.9,"fs",Rx_Sig.fs,"filterType",filtertypes.gaussian,"active",true).process(Rx_Sig);
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Rx_Sig.spectrum("fignum",2,"displayname",'Rx Signal filt','normalizeTo0dB',1);
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mf = Pulseformer("alpha",config.ROF,"fsym",config.fsym,"fdac",Rx_Sig.fs,"matched",1,"pulse","rrc","pulselength",32);
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Rx_matched = mf.process(Rx_Sig);
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Rx_matched.spectrum("fignum",2,"displayname",'Rx Signal m','normalizeTo0dB',1);
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%%%%%% Sample to 2x fsym %%%%%%
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Rx_Sig_resamp = Rx_Sig.resample("fs_out",2*config.fsym);
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Rx_Sig_resamp = Rx_Sig.resample("fs_out",config.fsym);
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end
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%%%%%% Sync Rx signal with reference (S is a cell array with all occurences) %%%%%%
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[Rx_Sig_sync,S,isFlipped] = Rx_Sig_resamp.tsynch("reference",Tx_symbols,"fs_ref",config.fsym,"debug_plots",1);
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% Rx_Sig_sync.eye(fsym,M,"fignum",4,"displayname",'eye diagram');
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% timing syncroization ??
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[~,S,isFlipped] = Rx_Sig_resamp.tsynch("reference",Tx_symbols,"fs_ref",config.fsym,"debug_plots",1);
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% SYMSYNC = comm.SymbolSynchronizer("Modulation","PAM/PSK/QAM","SamplesPerSymbol",2);
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%
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% synd = SYMSYNC(Rx_Sig_sync.signal);
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% Rx_Sig_sync.signal = synd;
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%
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% [Rx_Sig_sync,S,isFlipped] = Rx_Sig_sync.tsynch("reference",Tx_symbols,"fs_ref",config.fsym,"debug_plots",1);
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%
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% filter Bw
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output = struct();
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vnle_package = {};
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vnle_pf_package = {};
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@@ -139,78 +145,44 @@ function [results] = dsp_ief_file(varargin)
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for s = 1%:length(S)
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Rx_Sig_sync = S{s};
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Rx_Sig_sync = Rx_Sig_sync.normalize("mode","rms");
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if 1
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Tx_symbols.spectrum("fignum",3,"displayname",'Tx Symbols','normalizeTo0dB',1);
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Rx_Sig_sync.spectrum("fignum",3,"displayname",'No Matched Filter','normalizeTo0dB',1);
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Nsym = 64;
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sampsPerSym = 2;
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rcrFilt = comm.RaisedCosineReceiveFilter(...
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'Shape', 'Square root', ...
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'RolloffFactor', config.ROF, ...
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'FilterSpanInSymbols', Nsym, ...
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'InputSamplesPerSymbol', sampsPerSym, ...
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'DecimationFactor', 1);
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yr = rcrFilt([Rx_Sig_sync.signal;zeros(Nsym*sampsPerSym/2, 1)]);
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fltDelay = Nsym / (2*config.fsym);
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yr = yr(fltDelay*Rx_Sig_sync.fs+1:end);
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Rx_matched = Rx_Sig_sync;
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Rx_matched.signal = yr;
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% Rx_matched = Rx_matched.resample("fs_out",2*config.fsym);
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% length(Rx_matched);
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% symbolSync = comm.SymbolSynchronizer("Modulation","PAM/PSK/QAM","SamplesPerSymbol",2,"TimingErrorDetector","Mueller-Muller (decision-directed)");
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% Rx_syncd = Rx_matched;
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% [Rx_syncd.signal,tError] = symbolSync(Rx_syncd.signal);
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% Rx_syncd.fs = config.fsym;
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% length(Rx_syncd);
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% figure();hold on;
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% stem(Tx_symbols.normalize("mode","oneone").signal);
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% stem(Rx_syncd.normalize("mode","oneone").signal);
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%
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% figure();hold on;
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% plot(Rx_Sig_sync.normalize("mode","oneone").signal);
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% plot(Rx_matched.normalize("mode","oneone").signal);
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Rx_syncd = Rx_syncd.resample("fs_out",2*config.fsym);
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Rx_matched.spectrum("fignum",3,"displayname",'After Matched Filter','normalizeTo0dB',1);
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Rx_syncd.spectrum("fignum",3,"displayname",'Zero Crossing TR','normalizeTo0dB',1);
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end
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Rx_Sig_sync = Rx_Sig_sync.resample("fs_out",2*config.fsym);
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mu_ffe = [mu_ffe1 mu_ffe3 mu_ffe3];
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vnle_order=[vnle_order1,vnle_order2,vnle_order3];
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eq_ = EQ("Ne",vnle_order,"Nb",[0,0,0],"training_length",4096*2,"training_loops",5,"dd_loops",5,"K",2,"DCmu",mu_dc,"DDmu",[mu_ffe mu_dfe],"DFEmu",0.005,"FFEmu",0,"plotfinal",1,"ideal_dfe",1);
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eq_ = EQ("Ne",vnle_order,"Nb",[0,0,0],"training_length",4096*4,"training_loops",4,"dd_loops",3,"K",2,"DCmu",mu_dc,"DDmu",[mu_ffe mu_dfe_training],"DFEmu",dfe_mu,"FFEmu",0,"plotfinal",0,"ideal_dfe",0,"plottrain",0);
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%%%%% VNLE only (or DFE) %%%%
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if 1
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if 0
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[result] = vnle(eq_,config.M,Rx_syncd,Tx_symbols,Tx_bits,"precode_mode",db_mode.no_db,"showAnalysis",1,'eth_style',1);
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eq_post = FFE("epochs_tr",5,"epochs_dd",5,"len_tr",4096*2,"mu_dd",1e-4,"mu_tr",0,"order",1001,"sps",1,"decide",0);
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[result] = vnle(eq_,config.M,Rx_Sig_sync,Tx_symbols,Tx_bits,"precode_mode",db_mode.no_db,"showAnalysis",1,'eth_style',1,'postFFE',eq_post);
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netRate = TransmissionPerformance().calculateNetRate(log2(config.M)*config.fsym,'NGMI',result.inf_rate_vnle, 'BER',result.ber_vnle);
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vnle_package{s} = result;
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end
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%%%%% VNLE + PF + MLSE %%%%
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if 0
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if 1
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eq_post = FFE("epochs_tr",5,"epochs_dd",5,"len_tr",4096*2,"mu_dd",1e-4,"mu_tr",0,"order",1001,"sps",1,"decide",0);
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pf_ = Postfilter("ncoeff",1,"useBurg",1);
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mlse_ = MLSE("duobinary_output",0,'M',config.M,'trellis_states',PAMmapper(config.M,0).levels);
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mlse_ = MLSE_viterbi("duobinary_output",0,'M',config.M,'trellis_states',PAMmapper(config.M,0).levels);
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doub_mode = db_mode.no_db;
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doub_mode = db_mode.no_db;
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[result] = vnle_postfilter_mlse(eq_,pf_,mlse_,config.M,Rx_Sig_sync,Tx_symbols,Tx_bits,"precode_mode",doub_mode,'showAnalysis',1,'eth_style_symbol_mapping',1);
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[result] = vnle_postfilter_mlse(eq_,pf_,mlse_,config.M,Rx_Sig_sync,Tx_symbols,Tx_bits,"precode_mode",doub_mode,'showAnalysis',1,'eth_style_symbol_mapping',1,'postFFE',eq_post);
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netRate = TransmissionPerformance().calculateNetRate(log2(config.M)*config.fsym,'NGMI',result.gmi./log2(config.M), 'BER',result.ber_mlse);
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fprintf('VNLE SD: %.1f GBd \n',netRate.SDHD.NetRate.*1e-9);
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fprintf('MLSE HD: %.1f GBd \n',netRate.HD.NetRate.*1e-9);
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vnle_pf_package{s} = result;
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end
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%%%%% Duobinary Targeting %%%%
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if 0
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if 1
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mlse_db = MLSE_viterbi("DIR",[1,1],"duobinary_output",0,"M",config.M,"trellis_states",PAMmapper(config.M,0).levels);
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doub_mode = db_mode.db_emulate;
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@@ -225,6 +197,7 @@ function [results] = dsp_ief_file(varargin)
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results.vnle_package = vnle_package;
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results.vnle_pf_package = vnle_pf_package;
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results.dbtgt_package = dbtgt_package;
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results.config = config;
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end
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