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DB and 400G and minor changes

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This commit is contained in:
Silas Oettinghaus
2024-10-07 08:22:28 +02:00
parent 179a7f9682
commit da3be973e2
20 changed files with 578 additions and 142 deletions
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53
test/duobinary_minimal_example.m
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@@ -1,11 +1,12 @@
useprbs = 1;
M = 8;
M = 6;
randkey = 1;
fsym = 112e9;
datarate = 448e9;
fsym = round(datarate / log2(M)) ;
%%%%% PRBS Generation in correct shape for Modulation Format %%%%%%
O = 18; %order of prbs
N = 2^(O-1); %length of prbs
O = 17; %order of prbs
N = 2^(O); %length of prbs
[~,seed] = prbs(O,1); %initialize first seed of prbs
bitpattern=[];
@@ -34,12 +35,6 @@ Symbols = Duobinary().precode(Symbols_tx);
Symbols = Duobinary().encode(Symbols);
% Symbols.spectrum("displayname","db","fignum",12)
% Symbols = Duobinary().feedbackdetector(Symbols);
% Symbols.eye(fsym,M);
Symbols = Duobinary().decode(Symbols);
Rx_bits = PAMmapper(M,0).demap(Symbols);
@@ -48,15 +43,35 @@ Rx_bits = PAMmapper(M,0).demap(Symbols);
disp(['BER: ',sprintf('%.1E',ber),' - - PAM-',num2str(M)]);
%
figure;hold on
subplot(2,1,1)
title('Bits Compare')
stairs(Rx_bits.signal(1:100,1),'LineWidth',2,'DisplayName','Rx Bits')
stairs(Tx_bits.signal(1:100,1),'LineStyle',':','LineWidth',2,'DisplayName','Tx Bits');
legend
subplot(2,1,2)
figure(3);
clf
%sgtitle(['BER: ',num2str(ber),' // Error is at position: ',num2str(error_pos),''])
subplot(2,2,1)
hold on
title('Symbols Compare')
title('First Bits')
stairs(Tx_bits.signal(1:100,1),'LineStyle','-','LineWidth',2,'DisplayName','Tx Bits');
stairs(Rx_bits.signal(1:100,1),'LineWidth',2,'DisplayName','Rx Bits','LineStyle',':')
legend
subplot(2,2,2)
title('Last Bits')
hold on
stairs(Tx_bits.signal(end-50:end,1),'LineStyle','-','LineWidth',2,'DisplayName','Tx Bits');
stairs(Rx_bits.signal(end-50:end,1),'LineWidth',2,'DisplayName','Rx Bits','LineStyle',':')
legend
subplot(2,2,3)
hold on
title('First Symbols Compare')
stairs(Symbols_tx.signal(1:100,1),'LineWidth',2,'DisplayName','Tx Symbols','LineStyle','-')
stairs(Symbols.signal(1:100,1),'LineStyle',':','LineWidth',2,'DisplayName','Rx Symbols');
stairs(Symbols_tx.signal(1:100,1),'LineWidth',2,'DisplayName','Tx Symbols')
legend
subplot(2,2,4)
hold on
title('Last Symbols Compare')
stairs(Symbols_tx.signal(end-50:end,1),'LineWidth',2,'DisplayName','Tx Symbols','LineStyle','-')
stairs(Symbols.signal(end-50:end,1),'LineStyle',':','LineWidth',2,'DisplayName','Rx Symbols');
legend