%% Parameter to simulate and save params = struct; params.M = [4]; params.datarate = [224]; params.sir = [24]; %decibel = attenuation of interference path params.laser_linewidth = [1e6]; params.pn_key = [11]; params.vbias_rel = [0.5]; params.rop = -5; params.clipfactor = [1.5]; params.rrcalpha = [0.1]; name = ['wh_',strrep(num2str(now),'.','')]; wh = DataStorage(params); wh.addStorage("ber"); wh.addStorage("rop"); wh.addStorage("txpapr"); wh.addStorage("er"); %% 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 rrcalpha = wh.parameter.rrcalpha.values %% SETUP HERE: %% kover = 8; M8199 = M8199A("kover",kover); fdac = M8199.fdac; fsym = round(datarate / log2(M))*1e9; 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",2).process(); %%%%% AWG %%%%%% El_sig = M8199.process(Digi_sig); El_sig = El_sig.*0.7222; El_sig.signal = awgn(El_sig.signal,20,'measured',1); %%%%% Lowpass before Modulator %%%%%% El_sig = Filter('filtdegree',2,"f_cutoff",100e9,"fs",fdac*kover,"filterType",filtertypes.butterworth,"active",true).process(El_sig); El_sig = Amplifier("amp_mode","ideal_no_noise","gain_mode","gain","amplification_db",15).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",1).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',2); %%%%% Lowpass before Modulator %%%%%% El_sig_i = Filter('filtdegree',2,"f_cutoff",100e9,"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",15).process(El_sig_i); for laser_linewidth = wh.parameter.laser_linewidth.values for pn_key = wh.parameter.pn_key.values for vbias_rel = wh.parameter.vbias_rel.values % MAIN SIGNAL %%%%% MODULATE E/O CONVERSION %%%%%% 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); % 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=zeros(j_,i_); patten=zeros(j_,i_); for j = 1:j_ sir = wh.parameter.sir.values(j); %%%%% Interference Signal Fiber Prop %%%%%% Opt_sig_i = 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 = Amplifier("amp_mode","ideal_no_noise","gain_mode","output_power","amplification_db",Opt_sig.power-sir).process(Opt_sig_i); %%%%% ADD Interference and Main Signal %%%%%% Opt_sig = Opt_sig_i + Opt_sig; %%%%% Interference Signal Fiber Prop %%%%%% Opt_sig = Fiber("fsimu",Opt_sig.fs,"fiber_length",link_length/1000,"alpha",0.3,"D",0,"lambda0",1310,"gamma",0,"Dslope",0.07).process(Opt_sig); % % 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); patten(j,i) = Rx_sig.power; %%%%%% Square Law %%%%%% Rx_sig = Photodiode("fsimu",fdac*kover,"dark_current",2e-08,"responsivity",1,"temperature",20).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); Scpe_sig.plot("displayname","SIgnal after Scope","fignum",999); %%%%%% 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",0); % 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",25,"dfe_order",2,"sps",2,"decide",1); % Eq = EQ("Ne",[25,3,3],"Nb",[0,0,0],"training_length",4096,"training_loops",4,"dd_loops",4,"K",2,"DCmu",0,"DDmu",[0.0004 0.0004 0.0004 0.0004 ],"DFEmu",0.005,"FFEmu",0,"plotfinal",1); Eq = VNLE("epochs_tr",7,"epochs_dd",7,"len_tr",4096,"mu_dd",[0.0004 0.0005 0.0006],"mu_tr",0,"order",[25,3,3],"sps",2,"decide",0); [EQ_sig] = Eq.process(Scpe_sig,Symbols); % EQ_sig.normalize("mode","rms").plot('fignum',23,'displayname','before eq') %%%%% DEMAP %%%%%% Rx_bits = PAMmapper(M,0).demap(EQ_sig); %%%% Look at Pam levels %%%%% if 1 a = PAMmapper(M,0).separate_pamlevels(EQ_sig); figure(14);hold on;scatter(1:EQ_sig.length,a,1,'.'); end % BER [~,errors_bm,ber(j,i),errors] = calc_ber(Rx_bits.signal,Bits.signal,"skip_front",100,"skip_end",150,"returnErrorLocation",1); cnt = cnt+1; disp(['BER: ',sprintf('%.1E',ber(j,i)),' - - ROP: ',num2str(Rx_sig.power),'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(j,i),'ber',M,datarate,sir,laser_linewidth,pn_key,vbias_rel,rop,clipfactor,rrcalpha); wh.addValueToStorage(patten(j,i),'rop',M,datarate,sir,laser_linewidth,pn_key,vbias_rel,rop,clipfactor,rrcalpha); wh.addValueToStorage(er,'er',M,datarate,sir,laser_linewidth,pn_key,vbias_rel,rop,clipfactor,rrcalpha); end end end toc disp(['Simulated: ',num2str(cnt/endcnt*100),' %']); save(['C:\Users\Silas\Documents\MATLAB\imdd_simulation\projects\MPI_Juni\',name,'.mat'],"wh"); end end end end end