207 lines
7.7 KiB
Matlab
207 lines
7.7 KiB
Matlab
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function measure_run(options)
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arguments
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options.parallel (1,1) logical = false
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options.max_occurences = 1;
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options.config = [];
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options.only_record = 0;
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end
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savePath = 'Z:\2025\ECOC Silas\ecoc_2025\';
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current_folder = 'precomp_optimization_friday';
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fullFolderPath = fullfile(savePath, current_folder);
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if ~exist(fullFolderPath, 'dir')
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mkdir(fullFolderPath);
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end
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basePath = 'C:\Users\sioe\Documents\MATLAB\imdd_simulation\projects\ECOC_2025\';
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database_name='ecoc2025.db';
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db = DBHandler("pathToDB",[basePath,database_name]);
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precomp_path = "C:\Users\sioe\Documents\MATLAB\imdd_simulation\projects\ECOC_2025\";
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precomp_fn = "precomp_1km_1mm_cable_70ghz_pd_shf_t850_2p8_bias_shot2";
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precomp_mode = 2; %0=do nothing ; 1= measure; 2=precomp active
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run_lab_automation = 1;
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%% Configuration
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conf = db.tables.Configurations;
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referenceFields = fieldnames(conf);
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conf.unique_elab_id = "20250408-842b0a3078172b48dd032795226fbe683190afc4";
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conf.symbolrate = 112e9;
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conf.bitrate = conf.symbolrate .* floor(log2(6)*10)/10;
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conf.pam_level = 4;
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conf.db_mode = db_mode.no_db;
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conf.pulsef_alpha = 0.3;
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conf.v_bias = 2.8;
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conf.v_awg = 0.8;
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conf.precomp_amp = -64;
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conf.wavelength = 1310;
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conf.laser_power = 10;
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conf.fiber_length = 0;
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conf.pd_in_desired = 7;
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conf.is_mpi = 1;
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conf.signal_attenuation = 0;
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conf.interference_path_length = 0.001; %m
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conf.interference_attenuation = 40;
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conf.pam_source = [];
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% === Optional Override of Conf ===
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if ~isempty(options.config)
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paramStruct = options.config;
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paramNames = fieldnames(paramStruct);
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for i = 1:numel(paramNames)
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thisName = paramNames{i};
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thisValue = paramStruct.(thisName);
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if isfield(conf, thisName)
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conf.(thisName) = thisValue;
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else
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warning('Unknown parameter: %s', thisName);
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end
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end
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end
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assert(isequal(fieldnames(conf), referenceFields), 'Fieldnames do not match the reference structure!');
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currentTime = datetime('now', 'Format', 'yyyyMMdd_HHmmss');
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timeStr = char(currentTime);
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filename = sprintf('%s_PAM_%d_R_%d',timeStr,conf.pam_level,conf.symbolrate.*1e-9);
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%% Lab Automation
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if run_lab_automation
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% DC Source
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dcs = DC_supply("active",[1,1],"voltage",[conf.v_bias, 5]);
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dcs.set("voltage",[conf.v_bias, 5]);
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[v_bias_meas,i_bias_meas]=dcs.readVals();
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% Laser
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laser = Exfo_laser("mainframe_channel",1,"safety_mode",0,"connection_id",'10','lab_interface','gpib');
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laser.setWavelength(conf.wavelength);
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laser.setPower(conf.laser_power);
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laser.enableLaser();
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% Optical Attenuator
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voa = OptAtten("active",[0,2,1,1],"value",[0,conf.pd_in_desired,conf.signal_attenuation,conf.interference_attenuation],"wavelength",[conf.wavelength,conf.wavelength,conf.wavelength,conf.wavelength]);
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voa.set('value',[0,conf.pd_in_desired,conf.signal_attenuation,conf.interference_attenuation]);
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% PDFA
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pdfa = Thor_PDFA("safety_mode",0,"serialport_number",'COM15');
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% Construct AWG and Scope Modules %%%%%%
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fdac = 256e9;
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fadc = 160e9;
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Scp = ScopeKeysight("model","DSAZ634A",'autoscale',1,"fadc","GSa_160","channel",[0,0,1,0],"recordLen",2000000,"removeDC",1,"extRef",1);
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Awg = AwgKeysight("model","M8199A_ILV","fdac",fdac,"scaletodac",[1,1],"skews",[0,0],"voltages",[0,conf.v_awg]);
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A2S = Awg2Scope(Awg,Scp,[0,0,3,0],"waitUntilClick",0);
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end
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%% Signal generation and transmission
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%%%%% Symbol Generation %%%%%%
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Pform = Pulseformer("fsym",conf.symbolrate,"fdac",8*conf.symbolrate,"pulse","rc","pulselength",16,"alpha",conf.pulsef_alpha);
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Pamsource = PAMsource(...
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"fsym",conf.symbolrate,"M",conf.pam_level,"order",18,"useprbs",1,...
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"fs_out",fdac,...
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"applyclipping",0,...
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"clipfactor",4,...
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"applypulseform",1,...
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"pulseformer",Pform,...
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"randkey",1,...
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"duobinary_mode", conf.db_mode);
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conf.pam_source = Pamsource;
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[Digi_sig,Symbols,Bits] = Pamsource.process();
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%%%%% Precompensation Routine %%%%%%
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if precomp_mode == 1 % measure channel
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precomp_est = ChannelFreqResp("Nacq",2048,"Navg",100,"Ncp",63,'f_ref',fdac);
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Digi_sig = precomp_est.buildOFDM();
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elseif precomp_mode == 2 % apply precomp
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precomp_est = ChannelFreqResp("Nacq",2048,"Navg",100,"Ncp",63,'f_ref',Digi_sig.fs);
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Digi_sig = precomp_est.precomp(Digi_sig,'maxampdb',conf.precomp_amp,'loadPath',precomp_path,'fileName',precomp_fn);
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end
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Digi_sig.spectrum("displayname",'Tx Spectrum','fignum',10,'normalizeTo0dB',0);
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%%%%% Resample to DAC rate %%%%%%
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Digi_sig = Digi_sig.resample("fs_out",Awg.fdac);
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[~,~,Scpe_sig_raw,~] = A2S.process("signal2",Digi_sig);
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% Awg.upload("signal2",Digi_sig);
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% Scpe_sig_raw = Scp.read("channel",[0,0,1,0]);
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% Scpe_sig_raw = Scpe_sig_raw{[0,0,1,0]==1};
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%%%%% Precompensation Routine %%%%%%
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if precomp_mode == 1
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% Scpe_sig_resampled = Scpe_sig_raw.resample("fs_in",fadc,"fs_out",2*fsym);
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precomp_est.estimate(Scpe_sig_raw,"save",true,"savePath",precomp_path,"fileName",precomp_fn);
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precomp_est.plot();
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return;
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end
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Scpe_sig_raw.spectrum("displayname",'Rx Spectrum','fignum',10,'normalizeTo0dB',0);
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Scpe_sig_raw.plot("clear",1,"displayname",'Rx Signal','fignum',11);
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%% %%%%% Save Routine %%%%%%%%%%%%%%%%%%%%%%%%%
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tx_bits_path=[filesep,current_folder,filesep,filename,'_bits'];
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save([savePath,tx_bits_path],"Bits");
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tx_symbols_path=[filesep,current_folder,filesep,filename,'_symbols'];
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save([savePath,tx_symbols_path],"Symbols");
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tx_signal_path=[filesep,current_folder,filesep,filename,'_signal'];
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save([savePath,tx_signal_path],"Digi_sig");
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rx_raw_path = [filesep,current_folder,filesep,filename,'_rx_signal_raw'];
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save([savePath,rx_raw_path],"Scpe_sig_raw");
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% Table 1: Append to Runs
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newRun = db.tables.Runs;
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newRun.run_id = NaN;
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newRun.date_of_run = datetime(currentTime, 'InputFormat', 'yyyyMMdd_HHmmss');
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newRun.tx_bits_path = tx_bits_path;
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newRun.tx_symbols_path = tx_symbols_path;
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newRun.rx_sync_path = [];
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newRun.rx_raw_path = rx_raw_path;
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newRun.filename = filename;
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newRun.tx_signal_path = tx_signal_path;
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run_id = db.appendToTable('Runs', newRun);
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% Table 2: Append to Configurations
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conf.configuration_id = NaN;
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conf.run_id = run_id;
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db.appendToTable('Configurations', conf);
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% Table 3: Append to Measurements
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meas = db.tables.Measurements;
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meas.measurement_id = NaN; % Auto-increment, leave empty
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meas.run_id = run_id;
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meas.power_laser = laser.cur_power;
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meas.power_rop = [];
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meas.power_pd_in = voa.power_state(2);
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meas.power_mpi_interference = voa.power_state(4);
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meas.power_mpi_signal = voa.power_state(3);
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meas.voa_class = voa;
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meas.pdfa_class = pdfa;
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meas.laser_class = laser;
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assert(isequal(fieldnames(meas), fieldnames(db.tables.Measurements)), 'Fieldnames of "meas" do not match the reference structure!');
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db.appendToTable('Measurements', meas);
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%% %%%%% DSP Routine %%%%%%%%%%%%%%%%%%%%%%%%%
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[out, ~] = submit_dsp(run_id, basePath, database_name, savePath,"parallel",options.parallel,'max_occurences',options.max_occurences);
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end |