100 lines
3.6 KiB
Matlab
100 lines
3.6 KiB
Matlab
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clear
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Ref = load("C:\Users\Silas\Documents\MATLAB\imdd_simulation\projects\MPI_Juni\EQ_optimization\ref_sig_with_mpi.mat",'Ref');
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Rx_sig = load("C:\Users\Silas\Documents\MATLAB\imdd_simulation\projects\MPI_Juni\EQ_optimization\rx_sig_with_mpi.mat",'Rx_sig');
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Bits = load("C:\Users\Silas\Documents\MATLAB\imdd_simulation\projects\MPI_Juni\EQ_optimization\ref_bits_prms.mat","Bits");
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M = 4;
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Ref = Ref.Ref;
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Rx_sig = Rx_sig.Rx_sig;
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Bits = Bits.Bits;
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kover = 8;
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fdac = 256e9;
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fadc = 160e9;
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Lp_phd = Filter('filtdegree',2,"f_cutoff",70e9,"fs",fdac*kover,"filterType",filtertypes.gaussian,"active",true);
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Lp_scpe = Filter('filtdegree',4,"f_cutoff",63e9,"fs",fadc,"filterType",filtertypes.butterworth,"active",true);
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Scp = Scope("fsimu",fdac*kover,"fadc",fadc,...
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"delay",0,"fixed_delay",0,"filtertype",filtertypes.butterworth,...
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"samplingdelay",0,"rand_samplingdelay",0,"freq_offset",0,"samp_jitter",0,...
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"adcresolution",16,"quantbuffer",0.1,'block_dc',1,'lpf_active',1,'H_lpf',Lp_scpe);
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fadc = Scp.fadc;
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% SETUP TX Model
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Pmap = PAMmapper(M,0);
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% SETUP RX Model
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Phd = Photodiode("fsimu",fdac*kover,"dark_current",2e-08,"responsivity",1,"temperature",20);
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% Eq = EQ_silas_ofc("Ne",[50,2,2],"Nb",[2,0,0],"trainlength",4096,...
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% "sps",2,...
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% "mu_dc_dd",[0.5, 0.5, 0.5, 0.5],...
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% "mu_dc_train",0.0,...
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% "mu_ffe_train",0.00,...
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% "mu_dfe_train",0.005,...
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% "mu_ffe_dd",[0.0004 0.0004 0.0004],...
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% "mu_dfe_dd",0.005,...
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% "ddloops",3,...
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% "trainloops",4,...
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% "eq_parallelization_blocklength",0, ...
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% "eq_updatelatency",1,...
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% "eq_avg_blocklength",0);
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if 0
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Eq = EQ("Ne",[21,4,4],"Nb",[0,0,0],"training_length",4096,"training_loops",4,"dd_loops",4,"K",2,"DCmu",0,"DDmu",[0.0004 0.0005 0.0006 0.0003 ],"DFEmu",0.000,"FFEmu",0,"plotfinal",0,"ideal_dfe",0);
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% % RX Model
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Rx_bits = rx_model(Rx_sig,Ref,Phd,Lp_phd,Scp,Eq,Pmap);
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% % BER
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[~,errors_bm,ber,errors] = calc_ber(Rx_bits.signal,Bits.signal,"skip_front",100,"skip_end",150,"returnErrorLocation",1);
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disp(['BER: ',sprintf('%.1E',ber),' - - ROP: ',num2str(Rx_sig.power),'dBm - - PAM-',num2str(M),' - - ']);
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end
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%%%%% Local Parameter %%%%%%%%
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fsym = Ref.fs;
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%%%%%% Square Law %%%%%%
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Rx_sig = Phd.process(Rx_sig);
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%%%%%% Lowpass PhDiode %%%%%%
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Rx_sig = Lp_phd.process(Rx_sig);
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% Rx_sig.spectrum("displayname","Received Signal after PhD","fignum",201);
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%%%%%% Scope %%%%%%
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Scpe_sig = Scp.process(Rx_sig);
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% Scpe_sig.spectrum("displayname",'after scope','fignum',123);
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%%%%%% Sample to 2x fsym %%%%%%
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Scpe_sig = Scpe_sig.resample("fs_in",Scp.fadc,"fs_out",2*fsym);
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% Scpe_sig.plot('fignum',12345,'displayname','bla')
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%%%%%% Sync Rx signal with reference %%%%%%
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[Scpe_sig,D,cuts] = Scpe_sig.tsynch("reference",Ref,"fs_ref",fsym);
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Scpe_sig = Scpe_sig.normalize("mode","rms");
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Eq = FFE("epochs_tr",5,"epochs_dd",5,"len_tr",4096*2,"mu_dd",1e-4,"mu_tr",0,"order",20,"sps",2,"decide",1);
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% Eq = FFE_DFE("epochs_tr",5,"epochs_dd",5,"len_tr",4096*2,"ffe_mu_dd",1e-4,"dfe_mu_dd",5e-4,"ffe_mu_tr",0,"dfe_mu_tr",0,"ffe_order",21,"dfe_order",0,"sps",2,"decide",1);
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% Eq = VNLE("epochs_tr",7,"epochs_dd",7,"len_tr",4096,"mu_dd",[0.0004 0.0005 0.0006],"mu_tr",0,"order",[21,5,5],"sps",2,"decide",1);
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Eq_sig = Eq.process(Scpe_sig,Ref);
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Rx_bits = Pmap.demap(Eq_sig);
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% BER
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[~,errors_bm,ber,errors] = calc_ber(Rx_bits.signal,Bits.signal,"skip_front",100,"skip_end",150,"returnErrorLocation",1);
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disp(['BER: ',sprintf('%.1E',ber),' - - ROP: ',num2str(Rx_sig.power),'dBm - - PAM-',num2str(M),' - - ']);
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