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simArray.m
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% This file runs the waterfall simulations for various WiFi 6 and WiMAX LDPC
% codes all with the 'array' type encoder.
%
% Run and add/remove sections as needed.
%
% Set sim.minErr to determine how many errors need to be collected for each Eb/N0 point
% Extend sim.EbN0 vectors to get to low BER area.
% High SNR values vill take a long time.
clear ;
clc ;
format compact ;
path( '../', path ) ; %path for secret email config
path( 'lib', path ) ;
path( 'MEX', path ) ;
enc = QCLDPCEncode() ;
dec = QCLDPCDecode() ;
dec.nIter = 10 ;
dec.nthread = 32 ;
dec.build = 'release' ;
dec.dbglev = 1 ;
dec.qbits = 9 ; % nr of quantization bits for LLR
dec.fp_max = 512 ;
sim = WTF() ;
sim.blkSize = 10 * dec.nthread ;
%minimum nr. of errors for each Eb/N0 point, set 10000 for reliable results:
sim.minErr = 100 ;
sim.prof = false ; %profile code and show HTML report
sim.single = false ; %just testrun one loop of the simulation
sim.report = false ; %send email after each iteration is finished
sim.plot = false ; %plot waterfall figure in the end
sim.save = false ; %save results to local .mat file immediately in WTF
sim
%first maybe check if all OK on one run
if false
std = 'wimax' ;
N = 2304 ;
R = 5 / 6 ;
sim.save = false ;
sim.plot = false ;
sim.report = true ;
sim.prof = false ;
cod = loadQCLDPC( std, R, N ) ;
sim.EbN0 = [ 2 : 1 : 3 ] ;
if sim.report
if exist('secretEmailCfg.m', 'file')
sim.emailCfg = secretEmailCfg() ;
else
disp('No email config provided.') ;
sim.report = false ;
end
end
res = WTF( cod, enc, dec, sim )
return ;
end
T = tic ;
%% Simulation 1: the weakest WIMAX code - floating -vs- fixed point decoder
RES = {} ;
t = tic ;
std = 'wimax' ;
N = 576 ;
R = 5 / 6 ;
cod = loadQCLDPC( std, R, N ) ;
disp( [ 'Running sim for: ' std, ' with: ' n2s( R ) n2s( N ) ] ) ;
sim.plot = false ;
sim.impl = 'COM' ;
sim.EbN0 = [ 3.2 : 0.2 : 3.8 ] ;
RES{ end + 1 } = WTF( cod, enc, dec, sim ) ;
sim.impl = 'MEX' ;
dec.method = 'float' ;
sim.EbN0 = [ sim.EbN0 sim.EbN0( end ) + 0.2 ] ;
RES{ end + 1 } = WTF( cod, enc, dec, sim ) ;
dec.method = 'fixed' ;
sim.EbN0 = [ sim.EbN0 sim.EbN0( end ) + 0.1 ] ;
RES{ end + 1 } = WTF( cod, enc, dec, sim ) ;
disp( datestr( datenum( 0, 0, 0, 0, 0, toc( t )), "DD:HH:MM:SS" ) ) ;
plotWTF( RES, 'WIMAX', R, N ) ;
RES_WIMAX_56 = RES ;
%% Simulation 2: the strongest WIMAX code - floating -vs- fixed point decoder
RES = {} ;
t = tic ;
std = 'wimax' ;
N = 2304 ;
R = 1 / 2 ;
cod = loadQCLDPC( std, R, N ) ;
disp( [ 'Running sim for: ' std, ' with: ' n2s( R ) n2s( N ) ] ) ;
sim.impl = 'COM' ;
sim.EbN0 = [ 1.8 : 0.2 : 2.2 ] ;
RES{ end + 1 } = WTF( cod, enc, dec, sim ) ;
sim.impl = 'MEX' ;
dec.method = 'float' ;
sim.EbN0 = [ sim.EbN0 sim.EbN0( end ) + 0.2 ] ;
RES{ end + 1 } = WTF( cod, enc, dec, sim ) ;
dec.method = 'fixed' ;
sim.EbN0 = [ sim.EbN0 sim.EbN0( end ) + 0.1 ] ;
RES{ end + 1 } = WTF( cod, enc, dec, sim ) ;
disp( datestr( datenum( 0, 0, 0, 0, 0, toc( t )), "DD:HH:MM:SS" ) ) ;
plotWTF( RES, 'WIMAX', R, N ) ;
RES_WIMAX_12 = RES ;
%% Simulation 3: the weakest WIFI6 code - floating -vs- fixed -vs- toolbox decoder
% Requires Communications Toolbox
RES = {} ;
t = tic ;
std = 'wifi' ;
N = 648;
R = 5 / 6 ;
cod = loadQCLDPC( std, R, N ) ;
disp( [ 'Running sim for: ' std, ' with: ' n2s( R ) n2s( N ) ] ) ;
sim.impl = 'COM' ;
sim.EbN0 = [ 3.4 : 0.2 : 4.4 ] ;
RES{ end + 1 } = WTF( cod, enc, dec, sim ) ;
sim.impl = 'MEX' ;
dec.method = 'float' ;
sim.EbN0 = [ sim.EbN0 sim.EbN0( end ) + 0.2 ] ;
RES{ end + 1 } = WTF( cod, enc, dec, sim ) ;
dec.method = 'fixed' ;
sim.EbN0 = [ sim.EbN0 sim.EbN0( end ) + 0.1 ] ;
RES{ end + 1 } = WTF( cod, enc, dec, sim ) ;
disp( datestr( datenum( 0, 0, 0, 0, 0, toc( t )), "DD:HH:MM:SS" ) ) ;
plotWTF( RES, 'WIFI6', R, N ) ;
RES_WIFI_56 = RES ;
%% Simulation 4: the strongest WIFI6 code - floating -vs- fixed -vs- toolbox decoder
% Requires Communications Toolbox
RES = {} ;
t = tic ;
std = 'wifi' ;
N = 1944 ;
R = 1 / 2 ;
cod = loadQCLDPC( std, R, N ) ;
disp( [ 'Running sim for: ' std, ' with: ' n2s( R ) n2s( N ) ] ) ;
sim.minErr = 100 ; %set 10000 for reliable results
sim.impl = 'COM' ;
sim.EbN0 = [ 1.8 : 0.2 : 2.0 ] ;
RES{ end + 1 } = WTF( cod, enc, dec, sim ) ;
sim.impl = 'MEX' ;
dec.method = 'float' ;
sim.EbN0 = [ sim.EbN0 sim.EbN0( end ) + 0.2 ] ;
RES{ end + 1 } = WTF( cod, enc, dec, sim ) ;
dec.method = 'fixed' ;
sim.EbN0 = [ sim.EbN0 sim.EbN0( end ) + 0.1 ] ;
RES{ end + 1 } = WTF( cod, enc, dec, sim ) ;
disp( datestr( datenum( 0, 0, 0, 0, 0, toc( t )), "DD:HH:MM:SS" ) ) ;
plotWTF( RES, 'WIFI6', R, N ) ;
RES_WIFI_56 = RES ;
%% Simulation 5: compare floating & fixed point decoder for different coderates
RES = {} ;
t = tic ;
sim.save = false ;
sim.minErr = 100 ; %set 10000 for reliable results
std = 'wimax' ;
N = 576 ;
R = 5 / 6 ;
cod = loadQCLDPC( std, R, N ) ;
disp( [ 'Running FIXED point sim for: ' std, ' with: ' n2s( R ) n2s( N ) ] ) ;
sim.EbN0 = [ 3.2 : 0.2 : 4.2 ] ;
sim.impl = 'MEX' ;
dec.method = 'float' ;
sim.EbN0 = [ sim.EbN0 sim.EbN0( end ) ] ;
RES{ end + 1 } = WTF( cod, enc, dec, sim ) ;
dec.method = 'fixed' ;
sim.EbN0 = [ sim.EbN0 sim.EbN0( end ) + 0.1 ] ;
RES{ end + 1 } = WTF( cod, enc, dec, sim ) ;
N = 2304 ;
R = 5 / 6 ;
cod = loadQCLDPC( std, R, N ) ;
sim.EbN0 = [ 3.2 : 0.2 : 4.0 ] ;
sim.EbN0 = [ sim.EbN0 sim.EbN0( end ) ] ;
RES{ end + 1 } = WTF( cod, enc, dec, sim ) ;
dec.method = 'fixed' ;
sim.EbN0 = [ sim.EbN0 sim.EbN0( end ) + 0.1 ] ;
RES{ end + 1 } = WTF( cod, enc, dec, sim ) ;
N = 576 ;
R = 1 / 2 ;
cod = loadQCLDPC( std, R, N ) ;
sim.EbN0 = [ 1.8 : 0.2 : 2.8 ] ;
sim.impl = 'MEX' ;
dec.method = 'float' ;
sim.EbN0 = [ sim.EbN0 sim.EbN0( end ) ] ;
RES{ end + 1 } = WTF( cod, enc, dec, sim ) ;
dec.method = 'fixed' ;
sim.EbN0 = [ sim.EbN0 sim.EbN0( end ) + 0.1 ] ;
RES{ end + 1 } = WTF( cod, enc, dec, sim ) ;
disp( datestr( datenum( 0, 0, 0, 0, 0, toc( t )), "DD:HH:MM:SS" ) ) ;
plotWTF( RES, 'WIMAX', R, N ) ;
RES_WIMAX_56_2F = RES ;
%% Simulation 6: compare WIMAX different rate codes with same N
RES = {} ;
t = tic ;
sim.minErr = 100 ; %set 10000 for reliable results
sim.impl = 'MEX' ;
sim.report = false ;
dec.method = 'float' ;
std = 'wimax' ;
N = 1344 ;
step = 0.2 ;
disp( [ 'Running sim for ALL: ' std, ' with: ' n2s( N ) ] ) ;
R = 1 / 2 ;
cod = loadQCLDPC( std, R, N ) ;
sim.EbN0 = [ 2.0 : step : 2.8 ] ;
RES{ end + 1 } = WTF( cod, enc, dec, sim ) ;
R = 2 / 3 ;
cod = loadQCLDPC( std, R, N ) ;
ex = sim.EbN0( end ) ;
sim.EbN0 = [ sim.EbN0 ex + step * [ 1 2 ] ] ;
RES{ end + 1 } = WTF( cod, enc, dec, sim ) ;
R = 3 / 4 ;
cod = loadQCLDPC( std, R, N ) ;
ex = sim.EbN0( end ) ;
sim.EbN0 = [ sim.EbN0 ex + step * [ 1 2 3 ] ] ;
RES{ end + 1 } = WTF( cod, enc, dec, sim ) ;
R = 5 / 6 ;
cod = loadQCLDPC( std, R, N ) ;
ex = sim.EbN0( end ) ;
sim.EbN0 = [ sim.EbN0 ex + step * [ 1 2 3 ] ] ;
RES{ end + 1 } = WTF( cod, enc, dec, sim ) ;
disp( datestr( datenum( 0, 0, 0, 0, 0, toc( t )), "DD:HH:MM:SS" ) ) ;
plotWTF( RES, 'WIMAX' ) ;
RES_WIMAX_N_1344 = RES ;
%% Simulation 7: compare WIFI different rate codes with same N
%Optionally also send results by email when simulation is done.
RES = {} ;
t = tic ;
sim.minErr = 100 ; %set 10000 for reliable results
sim.impl = 'MEX' ;
sim.report = true ;
sim.save = true ;
dec.method = 'float' ;
std = 'wifi' ;
N = 1944 ;
step = 0.2 ;
disp( [ 'Running sim for ALL: ' std, ' with: ' n2s( N ) ] ) ;
if sim.report
if exist('secretEmailCfg.m', 'file')
sim.emailCfg = secretEmailCfg() ;
else
disp('No email config provided.') ;
sim.report = false ;
end
end
R = 1 / 2 ;
cod = loadQCLDPC( std, R, N ) ;
sim.EbN0 = [ 2.0 : step : 2.2 ] ;
RES{ end + 1 } = WTF( cod, enc, dec, sim ) ;
R = 2 / 3 ;
cod = loadQCLDPC( std, R, N ) ;
ex = sim.EbN0( end ) ;
sim.EbN0 = [ sim.EbN0 ex + step * [ 1 2 ] ] ;
RES{ end + 1 } = WTF( cod, enc, dec, sim ) ;
R = 3 / 4 ;
cod = loadQCLDPC( std, R, N ) ;
ex = sim.EbN0( end ) ;
sim.EbN0 = [ sim.EbN0 ex + step * [ 1 2 3 ] ] ;
RES{ end + 1 } = WTF( cod, enc, dec, sim ) ;
R = 5 / 6 ;
cod = loadQCLDPC( std, R, N ) ;
ex = sim.EbN0( end ) ;
sim.EbN0 = [ sim.EbN0 ex + step * [ 1 2 3 ] ] ;
RES{ end + 1 } = WTF( cod, enc, dec, sim ) ;
disp( datestr( datenum( 0, 0, 0, 0, 0, toc( t )), "DD:HH:MM:SS" ) ) ;
plotWTF( RES, 'WIFI' ) ;
RES_WIFI_N_1944 = RES ;
%% Simulation 8: compare min-sum algorithm with different parameters
RES = {} ;
t = tic ;
sim.minErr = 100 ; %set 10000 for reliable results
sim.impl = 'MEX' ;
sim.report = false ;
sim.save = false ;
dec.method = 'float' ;
std = 'wifi' ;
N = 1944 ;
step = 0.2 ;
disp( [ 'Running sim for ALL: ' std, ' with: ' n2s( N ) ] ) ;
R = 3 / 4 ;
cod = loadQCLDPC( std, R, N ) ;
sim.EbN0 = [ 2.0 : step : 3.4 ] ;
dec.lambda = 1.0
RES{ end + 1 } = WTF( cod, enc, dec, sim ) ;
dec.lambda = 0.75 %normalized min-sum
RES{ end + 1 } = WTF( cod, enc, dec, sim ) ;
dec.lambda = 0.5
RES{ end + 1 } = WTF( cod, enc, dec, sim ) ;
dec.lambda = 1.0 %offset min-sum
dec.beta = 1.0
RES{ end + 1 } = WTF( cod, enc, dec, sim ) ;
disp( datestr( datenum( 0, 0, 0, 0, 0, toc( t )), "DD:HH:MM:SS" ) ) ;
plotWTF( RES, 'MIN-SUM variants' ) ;
RES_MIN_SUM_VAR = RES ;
%% total simulation time
disp( datestr( datenum( 0, 0, 0, 0, 0, toc( T )), "DD:HH:MM:SS" ) ) ;