%% Parameter to simulate and save params = struct; params.M = [4]; params.datarate = [224]; params.sir = [15:45]; %decibel = attenuation of interference path params.laser_linewidth = [1e6]; params.pn_key = [1]; params.rop = [-7]; name = ['wh_',strrep(num2str(now),'.','')]; wh = DataStorage(params); wh.addStorage("ber_ffe"); wh.addStorage("ber_dcavg"); wh.addStorage("ber_adapt"); wh.addStorage("ber_dcrem"); %% Init Params link_length = 10000; %meter endcnt = prod(wh.dim); cnt=0; disp(['Start Simulation of ',num2str(endcnt),' loops...']) tic for M = wh.parameter.M.values for datarate = wh.parameter.datarate.values for pn_key = wh.parameter.pn_key.values %% SETUP HERE: %% kover = 8; M8199 = M8199A("kover",kover); fdac = M8199.fdac; fsym = round(datarate / log2(M))*1e9; rrcalpha = 0.05; Pform = Pulseformer("fsym",fsym,"fdac",4*fsym,"pulse","rrc","pulselength",16,"rrcalpha",rrcalpha); % MAIN SIGNAL %%%%% Symbol Generation %%%%%% [Digi_sig,Symbols,Bits] = PAMsource("fsym",fsym,"M",M,"order",18,"useprbs",0,"fs_out",M8199.fdac,"applyclipping",1,"clipfactor",1.3,"applypulseform",1,"pulseformer",Pform,"randkey",pn_key).process(); %%%%% AWG %%%%%% El_sig = M8199.process(Digi_sig); El_sig = El_sig.*0.7222; El_sig.signal = awgn(El_sig.signal,20,'measured',pn_key); %%%%% Lowpass before Modulator %%%%%% El_sig = Filter('filtdegree',2,"f_cutoff",60e9,"fs",fdac*kover,"filterType",filtertypes.butterworth,"active",true).process(El_sig); El_sig = Amplifier("amp_mode","ideal_no_noise","gain_mode","gain","amplification_db",10).process(El_sig); % INTERFERENCE SIGNAL %%%%% Symbol Generation %%%%%% [Digi_sig_i,Symbols_i,Bits_i] = PAMsource("fsym",fsym,"M",M,"order",18,"useprbs",0,"fs_out",M8199.fdac,"applyclipping",1,"clipfactor",1.3,"applypulseform",1,"pulseformer",Pform,"randkey",pn_key*2).process(); %%%%% AWG %%%%%% El_sig_i = M8199.process(Digi_sig_i); El_sig_i = El_sig_i.*0.7222; El_sig_i.signal = awgn(El_sig_i.signal,20,'measured',pn_key*2); %%%%% Lowpass before Modulator %%%%%% El_sig_i = Filter('filtdegree',2,"f_cutoff",60e9,"fs",fdac*kover,"filterType",filtertypes.butterworth,"active",true).process(El_sig_i); El_sig_i = Amplifier("amp_mode","ideal_no_noise","gain_mode","gain","amplification_db",10).process(El_sig_i); for laser_linewidth = wh.parameter.laser_linewidth.values % MAIN SIGNAL %%%%% MODULATE E/O CONVERSION %%%%%% vbias_rel = 0.5; u_pi = 2.9; vbias = -vbias_rel*u_pi; [Opt_sig] = EML("mode",eml_mode.im_cosinus,"power",3,"fsimu",El_sig.fs,"lambda",1290,"bias",vbias,"u_pi",u_pi,"linewidth",laser_linewidth,"randomkey",pn_key).process(El_sig); Optfilter = Filter('filtdegree',6,"f_cutoff",fsym.*0.7,"fs",fdac*kover,"filterType",filtertypes.gaussian,"active",true); Opt_sig = Optfilter.process(Opt_sig); er = Opt_sig.extinctionratio(fsym,M); % INTERFERENCE SIGNAL %%%%% MODULATE E/O CONVERSION %%%%%% u_pi = 2.9; vbias = -vbias_rel*u_pi; [Opt_sig_i] = EML("mode",eml_mode.im_cosinus,"power",3,"fsimu",El_sig.fs,"lambda",1290,"bias",vbias,"u_pi",u_pi,"linewidth",laser_linewidth,"randomkey",pn_key+1).process(El_sig_i); Opt_sig_i = Optfilter.process(Opt_sig_i); j_ = wh.parameter.sir.length; i_ = wh.parameter.rop.length; ber_ffe=zeros(j_,i_); ber_dcavg=zeros(j_,i_); ber_adapt=zeros(j_,i_); ber_dcrem=zeros(j_,i_); patten=zeros(j_,i_); parfor j = 1:j_ sir = wh.parameter.sir.values(j); %%%%% Interference Signal Fiber Prop %%%%%% Opt_sig_i_prop = Fiber("fsimu",Opt_sig_i.fs,"fiber_length",link_length/1000,"alpha",0.3,"D",0,"lambda0",1310,"gamma",0,"Dslope",0.07).process(Opt_sig_i); Opt_sig_i_prop = Amplifier("amp_mode","ideal_no_noise","gain_mode","output_power","amplification_db",Opt_sig.power-sir).process(Opt_sig_i_prop); %%%%% ADD Interference and Main Signal %%%%%% Opt_sig_comb = Opt_sig_i_prop + Opt_sig; %%%%% Interference Signal Fiber Prop %%%%%% Opt_sig_comb = Fiber("fsimu",Opt_sig_comb.fs,"fiber_length",link_length/1000,"alpha",0.3,"D",0,"lambda0",1310,"gamma",0,"Dslope",0.07).process(Opt_sig_comb); % % MPI Channel % Opt = channel_model_mpi(Opt_sig,link_length,mpi_path,sir); % Receiver ROP curve for i = 1:i_ rop=wh.parameter.rop.values(i); % Set ROP Rx_sig = Amplifier("amp_mode","ideal_no_noise","gain_mode","output_power","amplification_db",rop).process(Opt_sig_comb); patten(j,i) = Rx_sig.power; %%%%%% Square Law %%%%%% Rx_sig = Photodiode("fsimu",fdac*kover,"dark_current",2e-08,"responsivity",1,"temperature",20,"nep",1.8e-11).process(Rx_sig); %%%%%% Lowpass PhDiode %%%%%% Rx_sig = Filter('filtdegree',2,"f_cutoff",70e9,"fs",fdac*kover,"filterType",filtertypes.gaussian,"active",true).process(Rx_sig); % Rx_sig.spectrum("displayname","Received Signal after PhD","fignum",201); %%%%%% Scope %%%%%% fadc = 256e9; Lp_scpe = Filter('filtdegree',4,"f_cutoff",63e9,"fs",fadc,"filterType",filtertypes.butterworth,"active",true); Scpe_sig = Scope("fsimu",fdac*kover,"fadc",fadc,... "delay",0,"fixed_delay",0,"filtertype",filtertypes.butterworth,... "samplingdelay",0,"rand_samplingdelay",0,"freq_offset",0,"samp_jitter",0,... "adcresolution",16,"quantbuffer",0.1,'block_dc',1,'lpf_active',1,'H_lpf',Lp_scpe).process(Rx_sig); %%%%%% Sample to 2x fsym %%%%%% Scpe_sig = Scpe_sig.resample("fs_in",fadc,"fs_out",2*fsym); %%%%%% Sync Rx signal with reference %%%%%% [Scpe_sig,D,cuts] = Scpe_sig.tsynch("reference",Symbols,"fs_ref",fsym); %%%%% EQUALIZE %%%%%% Eq = FFE("epochs_tr",5,"epochs_dd",5,"len_tr",4096*2,"mu_dd",1e-4,"mu_tr",0,"order",25,"sps",2,"decide",1); [EQ_sig] = Eq.process(Scpe_sig,Symbols); Rx_bits = PAMmapper(M,0).demap(EQ_sig); [~,errors_bm,ber_ffe(j,i),errors] = calc_ber(Rx_bits.signal,Bits.signal,"skip_front",100,"skip_end",150,"returnErrorLocation",1); disp(['BER: ',sprintf('%.1E',ber_ffe(j,i)),' - - ROP: ',num2str(patten(j,i)),'dBm - - PAM-',num2str(M),' - - ',num2str(fsym*1e-9),' GBd']); Eq = FFE_FFDCAVG("epochs_tr",5,"epochs_dd",5,"len_tr",4096*2,"mu_dd",1e-4,"mu_tr",0,"order",25,"sps",2,"decide",1,"mu_buff",0.7); [EQ_sig] = Eq.process(Scpe_sig,Symbols); Rx_bits = PAMmapper(M,0).demap(EQ_sig); [~,errors_bm,ber_dcavg(j,i),errors] = calc_ber(Rx_bits.signal,Bits.signal,"skip_front",100,"skip_end",150,"returnErrorLocation",1); disp(['BER: ',sprintf('%.1E',ber_dcavg(j,i)),' - - ROP: ',num2str(patten(j,i)),'dBm - - PAM-',num2str(M),' - - ',num2str(fsym*1e-9),' GBd']); Eq = FFE_adaptive_decision("epochs_tr",5,"epochs_dd",5,"len_tr",4096*2,"mu_dd",1e-4,"mu_tr",0,"order",25,"sps",2,"decide",1,"buffer_length",85); [EQ_sig] = Eq.process(Scpe_sig,Symbols); Rx_bits = PAMmapper(M,0).demap(EQ_sig); [~,errors_bm,ber_adapt(j,i),errors] = calc_ber(Rx_bits.signal,Bits.signal,"skip_front",100,"skip_end",150,"returnErrorLocation",1); disp(['BER: ',sprintf('%.1E',ber_adapt(j,i)),' - - ROP: ',num2str(patten(j,i)),'dBm - - PAM-',num2str(M),' - - ',num2str(fsym*1e-9),' GBd']); Eq = FFE_DCremoval("epochs_tr",5,"epochs_dd",5,"len_tr",4096*2,"mu_dd",1e-4,"mu_tr",0,"order",25,"sps",2,"decide",1,"mu_dc",0.07); [EQ_sig] = Eq.process(Scpe_sig,Symbols); Rx_bits = PAMmapper(M,0).demap(EQ_sig); [~,errors_bm,ber_dcrem(j,i),errors] = calc_ber(Rx_bits.signal,Bits.signal,"skip_front",100,"skip_end",150,"returnErrorLocation",1); disp(['BER: ',sprintf('%.1E',ber_dcrem(j,i)),' - - ROP: ',num2str(patten(j,i)),'dBm - - PAM-',num2str(M),' - - ',num2str(fsym*1e-9),' GBd']); end end for j = 1:j_ sir = wh.parameter.sir.values(j); for i = 1:i_ rop=wh.parameter.rop.values(i); wh.addValueToStorage(ber_ffe(j,i) ,'ber_ffe',M,datarate,sir,laser_linewidth,pn_key,rop); wh.addValueToStorage(ber_dcavg(j,i),'ber_dcavg',M,datarate,sir,laser_linewidth,pn_key,rop); wh.addValueToStorage(ber_adapt(j,i),'ber_adapt',M,datarate,sir,laser_linewidth,pn_key,rop); wh.addValueToStorage(ber_dcrem(j,i),'ber_dcrem',M,datarate,sir,laser_linewidth,pn_key,rop); end end toc disp(['Simulated: ',num2str(cnt/endcnt*100),' %']); wh.save('C:\Users\Silas\Documents\MATLAB\imdd_simulation\projects\MPI_August\auswertung\') end end end end