new chirped modulator with alpha setting
dp_sync is softened
This commit is contained in:
silas (home)
@@ -10,12 +10,12 @@ if 1
|
||||
uloops.laser_wavelength = [1310];
|
||||
uloops.M = [4];
|
||||
uloops.link_length = [1]; % 1,2,3,5,6,8,10
|
||||
uloops.interference_attenuation = [0,3,6,9,12,15,18,21,24,27,30,45];
|
||||
% uloops.interference_attenuation = [0,3,6,9,12,15,18,21,24,27,30,45];
|
||||
wh = DataStorage(uloops);
|
||||
wh.addStorage("ber");
|
||||
|
||||
% wh = submit_simulations(wh,"parallel",0,"simulation_mode",0);
|
||||
wh = submit_handle(@imdd_model,wh,"parallel",0);
|
||||
wh = submit_handle(@imdd_model,wh,"serial",0);
|
||||
|
||||
end
|
||||
|
||||
|
||||
@@ -92,34 +92,34 @@ end
|
||||
|
||||
if doub_mode ~= db_mode.db_encoded
|
||||
if precomp == 0 && db_precode == 1
|
||||
doub_mode = db_mode.db_precoded;
|
||||
|
||||
doub_mode = db_mode.db_precoded;
|
||||
|
||||
db_precode = 1; % preceded data (in my measurement set, this corresponds to low precomp too!)
|
||||
discard_precode = 0; %
|
||||
discard_precode = 0; %
|
||||
emulate_precode = 0;
|
||||
legendentry = 'low precomp; precoded';
|
||||
disp('low precomp; precoded')
|
||||
elseif precomp == 1 && db_precode == 1
|
||||
doub_mode = db_mode.db_emulate;
|
||||
|
||||
doub_mode = db_mode.db_emulate;
|
||||
|
||||
db_precode = 0; % preceded data (in my measurement set, this corresponds to low precomp too!)
|
||||
discard_precode = 0; %
|
||||
discard_precode = 0; %
|
||||
emulate_precode = 1;
|
||||
legendentry = 'high precomp; precoded';
|
||||
disp('high precomp; precoded')
|
||||
elseif precomp == 0 && db_precode == 0
|
||||
doub_mode = db_mode.db_discard;
|
||||
|
||||
|
||||
db_precode = 1; % preceded data (in my measurement set, this corresponds to low precomp too!)
|
||||
discard_precode = 1; %
|
||||
discard_precode = 1; %
|
||||
emulate_precode = 0;
|
||||
legendentry = 'no precomp; not precoded';
|
||||
disp('no precomp; not precoded')
|
||||
elseif precomp == 1 && db_precode == 0
|
||||
doub_mode = db_mode.no_db;
|
||||
|
||||
doub_mode = db_mode.no_db;
|
||||
|
||||
db_precode = 0; % preceded data (in my measurement set, this corresponds to low precomp too!)
|
||||
discard_precode = 0; %
|
||||
discard_precode = 0; %
|
||||
emulate_precode = 0;
|
||||
legendentry = 'high precomp; not precoded';
|
||||
disp('high precomp; not precoded')
|
||||
@@ -137,135 +137,73 @@ end
|
||||
|
||||
f_nyquist = fsym/2;
|
||||
|
||||
%%% run the simulation or measurement or ...
|
||||
if simulation_mode
|
||||
|
||||
Pform = Pulseformer("fsym",fsym,"fdac",4*fsym,"pulse","rc","pulselength",16,"alpha",rcalpha);
|
||||
rcalpha = 1;
|
||||
Pform = Pulseformer("fsym",fsym,"fdac",4*fsym,"pulse","rrc","pulselength",16,"alpha",rcalpha);
|
||||
|
||||
db_precode = 0;
|
||||
db_encode = 0;
|
||||
apply_pulsef = 1;
|
||||
[Digi_sig,Symbols,Tx_bits] = PAMsource(...
|
||||
"fsym",fsym,"M",M,"order",18,"useprbs",0,...
|
||||
"fs_out",fdac,...
|
||||
"applyclipping",0,"clipfactor",1.5,...
|
||||
"applypulseform",apply_pulsef,"pulseformer",Pform,...
|
||||
"randkey",random_key,...
|
||||
"db_precode",db_precode,"db_encode",db_encode,...
|
||||
"mrds_code",0,"mrds_blocklength",512).process();
|
||||
Pform = Pulseformer("fsym",fsym,"fdac",4*fsym,"pulse","rc","pulselength",16,"alpha",rcalpha);
|
||||
rcalpha = 1;
|
||||
Pform = Pulseformer("fsym",fsym,"fdac",4*fsym,"pulse","rrc","pulselength",16,"alpha",rcalpha);
|
||||
|
||||
Digi_sig.spectrum("displayname",'Digi Spectrum','fignum',10,'normalizeTo0dB',1);
|
||||
db_precode = 0;
|
||||
db_encode = 0;
|
||||
apply_pulsef = 1;
|
||||
[Digi_sig,Symbols,Tx_bits] = PAMsource(...
|
||||
"fsym",fsym,"M",M,"order",18,"useprbs",0,...
|
||||
"fs_out",fdac,...
|
||||
"applyclipping",0,"clipfactor",1.5,...
|
||||
"applypulseform",apply_pulsef,"pulseformer",Pform,...
|
||||
"randkey",random_key,...
|
||||
"db_precode",db_precode,"db_encode",db_encode,...
|
||||
"mrds_code",0,"mrds_blocklength",512).process();
|
||||
|
||||
Digi_sig.spectrum("displayname",'Digi Spectrum','fignum',10,'normalizeTo0dB',1);
|
||||
|
||||
|
||||
|
||||
%%%%% AWG
|
||||
% El_sig = M8199A("kover",kover).process(Digi_sig);
|
||||
El_sig = AWG("fdac",fdac,"f_cutoff",fsym,"lpf_active",0,"kover",kover,"bit_resolution",12,"upsampling_method","samplehold","precomp_sinc_rolloff",1).process(Digi_sig);
|
||||
% El_sig.spectrum("displayname",'Digi Spectrum','fignum',100,'normalizeTo0dB',0);
|
||||
% El_sig = El_sig.setPower(0,"dBm");
|
||||
%%%%% AWG
|
||||
% El_sig = M8199A("kover",kover).process(Digi_sig);
|
||||
El_sig = AWG("fdac",fdac,"f_cutoff",fsym,"lpf_active",0,"kover",kover,"bit_resolution",12,"upsampling_method","samplehold","precomp_sinc_rolloff",1).process(Digi_sig);
|
||||
% El_sig.spectrum("displayname",'Digi Spectrum','fignum',100,'normalizeTo0dB',0);
|
||||
% El_sig = El_sig.setPower(0,"dBm");
|
||||
|
||||
%%%%% Low-pass el. components %%%%%%
|
||||
tx_bwl = tx_bw_nyquist.*f_nyquist;
|
||||
% tx_bwl = 80e9;
|
||||
El_sig = Filter('filtdegree',4,"f_cutoff",tx_bwl,"fs",fdac*kover,"filterType",filtertypes.butterworth,"active",true).process(El_sig);
|
||||
% El_sig.spectrum("displayname",'Digi Spectrum','fignum',100,'normalizeTo0dB',1);
|
||||
%%%%% Low-pass el. components %%%%%%
|
||||
tx_bwl = tx_bw_nyquist.*f_nyquist;
|
||||
% tx_bwl = 80e9;
|
||||
El_sig = Filter('filtdegree',4,"f_cutoff",tx_bwl,"fs",fdac*kover,"filterType",filtertypes.butterworth,"active",true).process(El_sig);
|
||||
% El_sig.spectrum("displayname",'Digi Spectrum','fignum',100,'normalizeTo0dB',1);
|
||||
|
||||
%%%%% Electrical Driver Amplifier %%%%%%
|
||||
El_sig = Amplifier("amp_mode","ideal_no_noise","gain_mode","gain","amplification_db",3).process(El_sig);
|
||||
El_sig = El_sig.normalize("mode","oneone");
|
||||
%%%%% Electrical Driver Amplifier %%%%%%
|
||||
El_sig = Amplifier("amp_mode","ideal_no_noise","gain_mode","gain","amplification_db",3).process(El_sig);
|
||||
El_sig = El_sig.normalize("mode","oneone");
|
||||
|
||||
%%%%% MODULATE E/O CONVERSION %%%%%%
|
||||
[Opt_sig] = EML("mode",eml_mode.im_cosinus,"power",3,"fsimu",El_sig.fs,"lambda",laser_wavelength,"bias",vbias,"u_pi",u_pi,"linewidth",laser_linewidth,"randomkey",random_key+1).process(El_sig);
|
||||
%%%%% MODULATE E/O CONVERSION %%%%%%
|
||||
[Opt_sig] = EML("mode",eml_mode.im_cosinus,"power",3,"fsimu",El_sig.fs,"lambda",laser_wavelength,"bias",vbias,"u_pi",u_pi,"linewidth",laser_linewidth,"randomkey",random_key+1).process(El_sig);
|
||||
|
||||
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);
|
||||
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);
|
||||
|
||||
%%%%%% ROP %%%%%%
|
||||
Rx_sig = Amplifier("amp_mode","ideal_no_noise","gain_mode","output_power","amplification_db",rop).process(Opt_sig);
|
||||
%%%%%% ROP %%%%%%
|
||||
Rx_sig = Amplifier("amp_mode","ideal_no_noise","gain_mode","output_power","amplification_db",rop).process(Opt_sig);
|
||||
|
||||
%%%%%% PD Square Law %%%%%%
|
||||
Rx_sig = Photodiode("fsimu",fdac*kover,"dark_current",2e-08,"responsivity",1,"temperature",20,"nep",1.8e-11).process(Rx_sig);
|
||||
%%%%%% PD Square Law %%%%%%
|
||||
Rx_sig = Photodiode("fsimu",fdac*kover,"dark_current",2e-08,"responsivity",1,"temperature",20,"nep",1.8e-11).process(Rx_sig);
|
||||
|
||||
%%%%%% Low-pass RX (PD, El. Connectors and Scope %%%%%%
|
||||
rx_bwl = rx_bw_nyquist.*f_nyquist;
|
||||
% rx_bwl = 80e9;
|
||||
Rx_sig = Filter('filtdegree',4,"f_cutoff",rx_bwl,"fs",fdac*kover,"filterType",filtertypes.butterworth,"active",true).process(Rx_sig);
|
||||
%%%%%% Low-pass RX (PD, El. Connectors and Scope %%%%%%
|
||||
rx_bwl = rx_bw_nyquist.*f_nyquist;
|
||||
% rx_bwl = 80e9;
|
||||
Rx_sig = Filter('filtdegree',4,"f_cutoff",rx_bwl,"fs",fdac*kover,"filterType",filtertypes.butterworth,"active",true).process(Rx_sig);
|
||||
|
||||
% %%%%%% Low-pass Scope %%%%%%
|
||||
Lp_scpe = Filter('filtdegree',4,"f_cutoff",110e9,"fs",fadc,"filterType",filtertypes.butterworth,"active",true);
|
||||
% %%%%%% Low-pass Scope %%%%%%
|
||||
Lp_scpe = Filter('filtdegree',4,"f_cutoff",110e9,"fs",fadc,"filterType",filtertypes.butterworth,"active",true);
|
||||
|
||||
% Rx_sig.spectrum("displayname",'Analog Rx Spectrum','fignum',100,'normalizeTo0dB',1);
|
||||
% Rx_sig.spectrum("displayname",'Analog Rx Spectrum','fignum',100,'normalizeTo0dB',1);
|
||||
|
||||
%%%%%% Scope %%%%%%
|
||||
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",8,"quantbuffer",0.1,'block_dc',1,'lpf_active',1,'H_lpf',Lp_scpe).process(Rx_sig);
|
||||
%%%%%% Scope %%%%%%
|
||||
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",8,"quantbuffer",0.1,'block_dc',1,'lpf_active',1,'H_lpf',Lp_scpe).process(Rx_sig);
|
||||
|
||||
Scpe_cell{1} = Scpe_sig;
|
||||
Scpe_cell{1} = Scpe_sig;
|
||||
|
||||
else
|
||||
profile on
|
||||
basePath = 'C:\Users\Silas\Documents\MATLAB\Datensätze\sioe_labor\';
|
||||
database = DBHandler("pathToDB",[basePath,'silas_labor.db']);
|
||||
profile off
|
||||
basePath = 'C:\Users\Silas\Documents\MATLAB\Datensätze\sioe_labor\';
|
||||
useGui = 0;
|
||||
% db = DBHandler("pathToDB",[basePath,'silas_labor.db']);
|
||||
filterParams = database.tables;
|
||||
% filterParams.Runs.run_id = 2958; % no db
|
||||
% filterParams.Runs.run_id = 2937; % no db
|
||||
filterParams.Configurations = struct( ...
|
||||
'bitrate', bitrate, ...
|
||||
'db_mode', db_precode+db_encode, ...
|
||||
'fiber_length', link_length, ...
|
||||
'interference_attenuation', [], ...
|
||||
'interference_path_length', [], ...
|
||||
'is_mpi', is_mpi, ...
|
||||
'pam_level', M, ...
|
||||
'precomp_amp', [], ...
|
||||
'rop_attenuation', 0, ...
|
||||
'symbolrate', [], ...
|
||||
'v_awg', [], ...
|
||||
'v_bias', [], ...
|
||||
'wavelength', laser_wavelength ...
|
||||
);
|
||||
|
||||
selectedFields = {'Runs.run_id','Runs.tx_bits_path', 'Runs.tx_symbols_path', 'Runs.rx_sync_path','Runs.rx_raw_path',...
|
||||
'Configurations.db_mode','Configurations.pam_level','Configurations.bitrate','Configurations.symbolrate','Configurations.fiber_length','Configurations.wavelength','Configurations.precomp_amp','Measurements.power_rop','Configurations.v_bias',...
|
||||
'Configurations.interference_attenuation'};
|
||||
|
||||
[dataTable,sql_query] = database.queryDB(filterParams, selectedFields);
|
||||
[~, uniqueIdx] = unique(dataTable.run_id); % Get unique run_id indices
|
||||
dataTable = dataTable(uniqueIdx,:); % Extract unique configurations for each run_id
|
||||
fprintf('Found %d entries for requested Configuration. IDs are: %s \n \n',size(dataTable,1),jsonencode(dataTable.run_id(1:min(size(dataTable,1),100))));
|
||||
|
||||
Tx_bits = load([basePath, char(dataTable.tx_bits_path(end))]);
|
||||
Tx_bits = Tx_bits.Bits;
|
||||
|
||||
Symbols = load([basePath, char(dataTable.tx_symbols_path(end))]);
|
||||
Symbols = Symbols.Symbols;
|
||||
|
||||
Scpe_load = load([basePath, char(dataTable.rx_sync_path(end))]);
|
||||
Scpe_cell = Scpe_load.S;
|
||||
|
||||
|
||||
% Raw_signal = load([basePath, char(dataTable.rx_raw_path(1))]);
|
||||
% Raw_signal.Scpe_sig_raw.plot("displayname",'0db atten','fignum',10101)
|
||||
% Raw_signal = Raw_signal.Scpe_sig_raw;
|
||||
%
|
||||
% Raw_signal = Filter('filtdegree',4,"f_cutoff",Symbols.fs.*0.55,"fs",Raw_signal.fs,"filterType",filtertypes.gaussian,"active",true).process(Raw_signal);
|
||||
%
|
||||
% Scpe_cell{1}.eye(fsym,M,"displayname",'eye','fignum',227);
|
||||
%
|
||||
% Raw_signal.spectrum("normalizeTo0dB",0,"fignum",11,"fft_length",2^12);
|
||||
% Raw_signal.move_it_spectrum("fignum",334);
|
||||
% Raw_signal.move_it_spectrum("fignum",334);
|
||||
|
||||
fsym = Symbols.fs;
|
||||
|
||||
end
|
||||
|
||||
if db_precode
|
||||
Symbols_precoded = Symbols;
|
||||
@@ -291,74 +229,74 @@ for occ = 1%:proc_occ
|
||||
Scpe_sig = Filter('filtdegree',4,"f_cutoff",Symbols.fs.*0.5,"fs",Scpe_sig.fs,"filterType",filtertypes.gaussian,"active",true).process(Scpe_sig);
|
||||
|
||||
Scpe_sig = Scpe_sig - mean(Scpe_sig.signal);
|
||||
%
|
||||
%
|
||||
% Pform = Pulseformer("fsym",Scpe_sig.fs,"fdac",2*fsym,"pulse","rrc","pulselength",16,"alpha",rcalpha,"matched",0);
|
||||
%
|
||||
%
|
||||
% Scpe_sig_matched = Pform.process(Scpe_sig);
|
||||
%
|
||||
%
|
||||
% Scpe_sig.spectrum("normalizeTo0dB",0,"fignum",336,"displayname","scope ");
|
||||
% Scpe_sig_matched.spectrum("normalizeTo0dB",0,"fignum",336,"displayname","matched");
|
||||
|
||||
%%% EQUALIZING
|
||||
|
||||
|
||||
% eq_mlse = FFE_DCremoval("epochs_tr",5,"epochs_dd",5,"len_tr",len_tr,"mu_dd",mu_ffe(1),"mu_tr",0,"order",ffe_order(1),"sps",2,"decide",0,"dc_buffer_len",1,"mu_dc",0.05);
|
||||
% eq_mlse = FFE("epochs_tr",5,"epochs_dd",5,"len_tr",len_tr,"mu_dd",mu_ffe(1),"mu_tr",0,"order",ffe_order(1),"sps",2,"decide",0);
|
||||
% eq_mlse = FFE_DCremoval("epochs_tr",5,"epochs_dd",5,"len_tr",len_tr,"mu_dd",mu_ffe(1),"mu_tr",0,"order",ffe_order(1),"sps",2,"decide",0,"dc_buffer_len",512,"mu_dc",0.05);
|
||||
|
||||
mu_ffe = [mu_ffe1 mu_ffe2 mu_ffe3];
|
||||
vnle_order=[vnle_order1,vnle_order2,vnle_order3];
|
||||
|
||||
% %%%%% VNLE + DFE %%%%
|
||||
if 0
|
||||
|
||||
eq_vnle_dfe = EQ("Ne",vnle_order,"Nb",[0,0,0],"training_length",len_tr,"training_loops",5,"dd_loops",5,"K",2,"DCmu",mu_dc,"DDmu",[mu_ffe mu_dfe],"DFEmu",0.005,"FFEmu",0,"plotfinal",0,"ideal_dfe",0);
|
||||
eq_2 = FFE("epochs_tr",5,"epochs_dd",5,"len_tr",4096*2,"mu_dd",1e-4,"mu_tr",0,"order",2001,"sps",1,"decide",0);
|
||||
|
||||
[result] = vnle(eq_vnle_dfe,M,Scpe_sig,Symbols,Tx_bits,"precode_mode",doub_mode,"showAnalysis",1,"postFFE",[]);
|
||||
vnle_dfe_package{occ} = result;
|
||||
|
||||
end
|
||||
%%%%% VNLE + PF + MLSE %%%%
|
||||
if 1
|
||||
|
||||
% len_tr = length(Symbols)-1000;
|
||||
eq_vnle_ = EQ("Ne",vnle_order,"Nb",dfe_order,"training_length",len_tr,"training_loops",5,"dd_loops",5,"K",2,"DCmu",mu_dc,"DDmu",[mu_ffe mu_dfe],"DFEmu",0.005,"FFEmu",0,"plotfinal",0,"ideal_dfe",1);
|
||||
% eq_vnle_ = VNLE("epochs_tr",5,"epochs_dd",5,"len_tr",4096*2,"mu_dd",[0.0004 0.0005 0.0006],"mu_tr",0,"order",vnle_order,"sps",2,"decide",0);
|
||||
pf_ = Postfilter("ncoeff",pf_ncoeffs,"useBurg",1);
|
||||
mlse_ = MLSE_viterbi("duobinary_output",0,'M',M,'trellis_states',PAMmapper(M,0).levels);
|
||||
|
||||
[result] = vnle_postfilter_mlse(eq_vnle_,pf_,mlse_,M,Scpe_sig,Symbols,Tx_bits,"precode_mode",doub_mode,'showAnalysis',1);
|
||||
vnle_pf_package{occ} = result;
|
||||
|
||||
end
|
||||
|
||||
|
||||
%%%%% Duobinary Targeting %%%%
|
||||
if 1
|
||||
% eq_mlse = FFE_DCremoval("epochs_tr",5,"epochs_dd",5,"len_tr",len_tr,"mu_dd",mu_ffe(1),"mu_tr",0,"order",ffe_order(1),"sps",2,"decide",0,"dc_buffer_len",1,"mu_dc",0.05);
|
||||
% eq_mlse = FFE("epochs_tr",5,"epochs_dd",5,"len_tr",len_tr,"mu_dd",mu_ffe(1),"mu_tr",0,"order",ffe_order(1),"sps",2,"decide",0);
|
||||
% eq_mlse = FFE_DCremoval("epochs_tr",5,"epochs_dd",5,"len_tr",len_tr,"mu_dd",mu_ffe(1),"mu_tr",0,"order",ffe_order(1),"sps",2,"decide",0,"dc_buffer_len",512,"mu_dc",0.05);
|
||||
|
||||
mlse_db = MLSE_viterbi("DIR",[1,1],"duobinary_output",0,"M",M,"trellis_states",PAMmapper(M,0).levels);
|
||||
eq_db = EQ("Ne",vnle_order,"Nb",dfe_order,"training_length",len_tr,"training_loops",5,"dd_loops",5,"K",2,"DCmu",mu_dc,"DDmu",[mu_ffe mu_dfe],"DFEmu",0.005,"FFEmu",0,"plotfinal",0,"ideal_dfe",1);
|
||||
mu_ffe = [mu_ffe1 mu_ffe2 mu_ffe3];
|
||||
vnle_order=[vnle_order1,vnle_order2,vnle_order3];
|
||||
|
||||
[result] = duobinary_target(eq_db, mlse_db, M, Scpe_sig, Symbols, Tx_bits, "precode_mode", doub_mode,'showAnalysis',0);
|
||||
dbtgt_package{occ} = result;
|
||||
|
||||
% %%%%% VNLE + DFE %%%%
|
||||
if 0
|
||||
|
||||
end
|
||||
|
||||
%%%%%% %db signaling => db encoded %%%%%
|
||||
if 0
|
||||
mlse_db_enc = MLSE_viterbi("DIR",[1,1],"duobinary_output",0,"M",M,"trellis_states",PAMmapper(M,0).levels);
|
||||
eq_db_enc = EQ("Ne",vnle_order,"Nb",dfe_order,"training_length",len_tr,"training_loops",5,"dd_loops",5,"K",2,"DCmu",mu_dc,"DDmu",[mu_ffe mu_dfe],"DFEmu",0.005,"FFEmu",0,"plotfinal",0,"ideal_dfe",1);
|
||||
[result] = duobinary_signaling(eq_db_enc, mlse_db_enc,M, Scpe_sig ,Symbols, Tx_bits);
|
||||
dbenc_package{occ} = result;
|
||||
end
|
||||
eq_vnle_dfe = EQ("Ne",vnle_order,"Nb",[0,0,0],"training_length",len_tr,"training_loops",5,"dd_loops",5,"K",2,"DCmu",mu_dc,"DDmu",[mu_ffe mu_dfe],"DFEmu",0.005,"FFEmu",0,"plotfinal",0,"ideal_dfe",0);
|
||||
eq_2 = FFE("epochs_tr",5,"epochs_dd",5,"len_tr",4096*2,"mu_dd",1e-4,"mu_tr",0,"order",2001,"sps",1,"decide",0);
|
||||
|
||||
[result] = vnle(eq_vnle_dfe,M,Scpe_sig,Symbols,Tx_bits,"precode_mode",doub_mode,"showAnalysis",1,"postFFE",[]);
|
||||
vnle_dfe_package{occ} = result;
|
||||
|
||||
end
|
||||
%%%%% VNLE + PF + MLSE %%%%
|
||||
if 1
|
||||
|
||||
% len_tr = length(Symbols)-1000;
|
||||
eq_vnle_ = EQ("Ne",vnle_order,"Nb",dfe_order,"training_length",len_tr,"training_loops",5,"dd_loops",5,"K",2,"DCmu",mu_dc,"DDmu",[mu_ffe mu_dfe],"DFEmu",0.005,"FFEmu",0,"plotfinal",0,"ideal_dfe",1);
|
||||
% eq_vnle_ = VNLE("epochs_tr",5,"epochs_dd",5,"len_tr",4096*2,"mu_dd",[0.0004 0.0005 0.0006],"mu_tr",0,"order",vnle_order,"sps",2,"decide",0);
|
||||
pf_ = Postfilter("ncoeff",pf_ncoeffs,"useBurg",1);
|
||||
mlse_ = MLSE_viterbi("duobinary_output",0,'M',M,'trellis_states',PAMmapper(M,0).levels);
|
||||
|
||||
[result] = vnle_postfilter_mlse(eq_vnle_,pf_,mlse_,M,Scpe_sig,Symbols,Tx_bits,"precode_mode",doub_mode,'showAnalysis',1);
|
||||
vnle_pf_package{occ} = result;
|
||||
|
||||
end
|
||||
|
||||
|
||||
%%%%% Duobinary Targeting %%%%
|
||||
if 1
|
||||
|
||||
mlse_db = MLSE_viterbi("DIR",[1,1],"duobinary_output",0,"M",M,"trellis_states",PAMmapper(M,0).levels);
|
||||
eq_db = EQ("Ne",vnle_order,"Nb",dfe_order,"training_length",len_tr,"training_loops",5,"dd_loops",5,"K",2,"DCmu",mu_dc,"DDmu",[mu_ffe mu_dfe],"DFEmu",0.005,"FFEmu",0,"plotfinal",0,"ideal_dfe",1);
|
||||
|
||||
[result] = duobinary_target(eq_db, mlse_db, M, Scpe_sig, Symbols, Tx_bits, "precode_mode", doub_mode,'showAnalysis',0);
|
||||
dbtgt_package{occ} = result;
|
||||
|
||||
|
||||
end
|
||||
|
||||
%%%%%% %db signaling => db encoded %%%%%
|
||||
if 0
|
||||
mlse_db_enc = MLSE_viterbi("DIR",[1,1],"duobinary_output",0,"M",M,"trellis_states",PAMmapper(M,0).levels);
|
||||
eq_db_enc = EQ("Ne",vnle_order,"Nb",dfe_order,"training_length",len_tr,"training_loops",5,"dd_loops",5,"K",2,"DCmu",mu_dc,"DDmu",[mu_ffe mu_dfe],"DFEmu",0.005,"FFEmu",0,"plotfinal",0,"ideal_dfe",1);
|
||||
[result] = duobinary_signaling(eq_db_enc, mlse_db_enc,M, Scpe_sig ,Symbols, Tx_bits);
|
||||
dbenc_package{occ} = result;
|
||||
end
|
||||
|
||||
|
||||
% autoArrangeFigures;
|
||||
disp('- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - ')
|
||||
fprintf('\n')
|
||||
|
||||
|
||||
|
||||
end
|
||||
|
||||
|
||||
@@ -59,7 +59,7 @@ Pform = Pulseformer("fsym",fsym,"fdac",4*fsym,"pulse","rc","pulselength",1
|
||||
|
||||
db_precode = 0;
|
||||
db_encode = 0;
|
||||
duob_mode = db_mode.db_precoded;
|
||||
duob_mode = db_mode.no_db;
|
||||
apply_pulsef = 1;
|
||||
[Digi_sig,Symbols,Tx_bits] = PAMsource(...
|
||||
"fsym",fsym,"M",M,"order",18,"useprbs",0,...
|
||||
@@ -72,13 +72,12 @@ apply_pulsef = 1;
|
||||
Digi_sig.spectrum("displayname",'Digi Spectrum','fignum',10,'normalizeTo0dB',1);
|
||||
|
||||
|
||||
%% proof of concept
|
||||
Symbols_db = Duobinary().encode(Symbols);
|
||||
mim_decoded = Duobinary().decode(Symbols_db,"M",M);
|
||||
rx_bits_mim_decoded = PAMmapper(M,0,"eth_style",0).demap(mim_decoded);
|
||||
rx_bits_mim_decoded_.signal = circshift(rx_bits_mim_decoded.signal,0);
|
||||
[~,~,ber_mim_decode,~] = calc_ber(rx_bits_mim_decoded_.signal,Tx_bits.signal,"skip_front",100,"skip_end",150,"returnErrorLocation",1);
|
||||
fprintf('BER mim: %.2e \n',ber_mim_decode);
|
||||
% %% proof of concept memoryless inverse mapping (direct db targeting and decoding)
|
||||
% Symbols_db = Duobinary().encode(Symbols);
|
||||
% mim_decoded = Duobinary().decode(Symbols_db,"M",M);
|
||||
% rx_bits_mim_decoded = PAMmapper(M,0,"eth_style",0).demap(mim_decoded);
|
||||
% [~,~,ber_mim_decode,~] = calc_ber(rx_bits_mim_decoded_.signal,Tx_bits.signal,"skip_front",100,"skip_end",150,"returnErrorLocation",1);
|
||||
% fprintf('BER mim: %.2e \n',ber_mim_decode);
|
||||
|
||||
%%
|
||||
|
||||
|
||||
Reference in New Issue
Block a user