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Changes from mwork PC.

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PDP 2025

MPI analysis

new focus on database and SQL
This commit is contained in:
Silas Oettinghaus
2025-03-21 08:11:40 +01:00
parent 402e491506
commit 74066d0669
36 changed files with 2234 additions and 620 deletions
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40
test/matched_filter_minimal.m
View File

@@ -26,24 +26,34 @@ tx_bw_nyquist = 0.8;
O = 18; %order of prbs
N = 2^(O-1); %length of prbs
rcalpha = 1;
Pform = Pulseformer("fsym",fsym,"fdac",fdac,"pulse","rrc","pulselength",1024,"alpha",rcalpha);
%%%%% MOVE-IT PRMS %%%%
Mi_prms = Moveit_wrapper("prms");
if M == 6
Mi_prms.para.bl = 2^(O-2);
Mi_prms.para.dimension = 5;
else
Mi_prms.para.bl = 2^(O-1);
Mi_prms.para.dimension = log2(M); %2.5bits/sym -> 2 bit/sym
end
Mi_prms.para.rand = 0;
Mi_prms.para.order = floor(O / log2(M));
Mi_prms.para.skip =0;
Mi_prms.para.bruijn = 0;
Mi_prms.para.reset_prms = 0;
Mi_prms.para.method = 1;
bitpattern = Mi_prms.process([]);
if M == 6
bitpattern = reshape(bitpattern',[],1);
bitpattern = bitpattern(1:end-mod(length(bitpattern),5));
end
bits = Informationsignal(bitpattern);
symbols = PAMmapper(M,0).map(bits);
symbols.fs = fsym;
[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",'Signal after shaping','fignum',1);
% Digi_sig.move_it_spectrum("displayname",'Signal after shaping','fignum',2);
% Digi_sig = Digi_sig.resample("fs_out",fsym);
Pform = Pulseformer("fsym",fsym,"fs",fsym,"alpha",0.6,"pulse","rrc","pulselength",64,"matched_sps",4,"output_sps",2);
Pform.process(symbols);
MF = Pulseformer("fsym",fsym,"fdac",fdac,"pulse","rrc","pulselength",1024,"alpha",rcalpha,"matched",0);
Digi_sig = MF.process(Digi_sig);

24
test/test_mapping_eth.m
View File

@@ -1,21 +1,32 @@
% Setup PRBS parameters
O = 12;
M = 2;
O = 6;
M = 6;
N = 2^(O-1); % Length of PRBS
randkey = 1; % Random key for random stream
use_eth_mapping =1;
if M ~= 6
dimension = log2(M);
else
dimension = 5;
end
[~, seed] = prbs(O, 1); % Initialize first seed of PRBS
bitpattern = [];
s = RandStream('twister', 'Seed', randkey);
for i = 1:log2(M)
for i = 1:dimension
bitpattern(:, i) = randi(s, [0 1], N, 1);
end
if M == 6
bitpattern = reshape(bitpattern',[],1);
bitpattern = bitpattern(1:end-mod(length(bitpattern),5));
end
Tx_bits = Informationsignal(bitpattern);
Digi_Mod = PAMmapper(M, 0,"eth_style",1);
Digi_Mod = PAMmapper(M, 0,"eth_style",use_eth_mapping);
% Map bits to symbols
Symbols = Digi_Mod.map(Tx_bits);
@@ -23,7 +34,6 @@ Symbols = Digi_Mod.map(Tx_bits);
% Demap symbols back to bits
Rx_bits = Digi_Mod.demap(Symbols);
[~, error_num, ber, ~] = calc_ber(Tx_bits.signal, Rx_bits.signal, ...
"skip_front", 0, "skip_end", 0, "returnErrorLocation", 1);
[~, error_num, ber, ~] = calc_ber(Tx_bits.signal(1:length(Rx_bits.signal)), Rx_bits.signal,"skip_front", 0, "skip_end", 0, "returnErrorLocation", 1);
fprintf('BER VNLE: %.1E \n',ber);
fprintf('BER: %.1E \n',ber);