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Many changes for 400G DSP

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Minimal Example
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This commit is contained in:
sioe
2024-12-17 16:17:58 +01:00
parent 397cfa61dd
commit e47a4dbbbe
68 changed files with 2749 additions and 2948 deletions
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48
test/duobinary_minimal_example.m
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@@ -1,43 +1,55 @@
useprbs = 1;
M = 6;
M = 4;
randkey = 1;
datarate = 448e9;
fsym = round(datarate / log2(M)) ;
%%%%% PRBS Generation in correct shape for Modulation Format %%%%%%
O = 17; %order of prbs
O = 15; %O of prbs
N = 2^(O); %length of prbs
[~,seed] = prbs(O,1); %initialize first seed of prbs
bitpattern=[];
if useprbs
for i = 1:log2(M)
[bitpattern(:,i),seed] = prbs(O,N,seed);
end
else
s = RandStream('twister','Seed',randkey);
for i = 1:log2(M)
bitpattern(:,i) = randi(s,[0 1], N, 1);
end
end
state = struct();
para = struct();
if M == 6
bitpattern = reshape(bitpattern,[],1);
bitpattern = bitpattern(1:end-mod(length(bitpattern),5));
para.bl = 2^(O-2);
para.dimension = 5;
else
para.bl = 2^(O-1);
para.dimension = log2(M); %2.5bits/sym -> 2 bit/sym
end
para.rand = 0;
para.order = floor(O / log2(M));
para.skip =0;
para.bruijn = 0;
para.reset_prms = 0;
para.method = 1;
data_in = [];
global loop;
loop = 0;
[data_out,state_] = prms(data_in, state, para);
loop = 1;
[data_out,state_out] = prms(data_in, state_, para);
bitpattern = data_out';
Tx_bits = Informationsignal(bitpattern);
Symbols_tx = PAMmapper(M,0).map(Tx_bits);
Symbols_tx.fs = fsym;
Symbols = Duobinary().precode(Symbols_tx);
Symbols1 = Duobinary().precode(Symbols_tx);
Symbols = Duobinary().encode(Symbols);
Symbols2 = Duobinary().encode(Symbols1);
Symbols = Duobinary().decode(Symbols);
Symbols3 = Duobinary().decode(Symbols2);
Rx_bits = PAMmapper(M,0).demap(Symbols);
Rx_bits = PAMmapper(M,0).demap(Symbols3);
[~,error_num,ber,error_pos] = calc_ber(Tx_bits.signal,Rx_bits.signal,"skip_front",0,"skip_end",0,"returnErrorLocation",1);