Build out MATLAB test framework and core integration coverage

2026-03-24 17:23:02 +01:00
parent 9446dfb888
commit a592ebefda
154 changed files with 2281 additions and 1305 deletions
--- a/Functions/Minimal_examples/mlse_minimal_example.m
+++ b/Functions/Minimal_examples/mlse_minimal_example.m
@@ -0,0 +1,80 @@
+useprbs = 0;
+M = 4;
+randkey = 2;
+fsym = 112e9;
+
+%%%%% PRBS Generation in correct shape for Modulation Format %%%%%%
+O = 18; %order of prbs
+N = 2^(O-1); %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
+
+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);
+Symbols_tx = Digi_Mod.map(Tx_bits);
+Symbols_tx.fs = fsym;
+
+if 0
+
+    Symbols = Duobinary().precode(Symbols_tx);
+
+    Symbols = Duobinary().encode(Symbols);
+
+    Symbols = MLSE("DIR",[1 1],"duobinary_output",1,"trellis_states",Digi_Mod.levels,"M",M).process(Symbols);
+
+    Symbols = Duobinary().decode(Symbols);
+
+else
+    cnt = 1;
+
+    Symbols = Symbols_tx;
+
+    coeff = [1,0.5,0.2,0.1];
+
+    Symbols.signal = filter(coeff, 1, Symbols.signal);
+
+    Symbols.spectrum("fignum",129,"displayname",['coeff:',num2str(coeff)]);
+
+    Symbols = MLSE("DIR",coeff,"duobinary_output",0,"trellis_states",Digi_Mod.levels,"M",M).process(Symbols);
+
+    Rx_bits = PAMmapper(M,0).demap(Symbols);
+
+    [~,error_num,ber,error_pos] = calc_ber(Tx_bits.signal,Rx_bits.signal,"skip_front",0,"skip_end",0,"returnErrorLocation",1);
+
+    disp(['BER: ',sprintf('%.1E',ber),' - - PAM-',num2str(M)]);
+
+end
+
+
+%
+figure(494)
+clf
+subplot(2,1,1)
+title('Bits Compare')
+hold on
+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)
+hold on
+title('Symbols Compare')
+stairs(Symbols.signal(1:100,1),'LineStyle','-','LineWidth',2,'DisplayName','Rx Symbols');
+stairs(Symbols_tx.signal(1:100,1),'LineWidth',2,'DisplayName','Tx Symbols','LineStyle',':')
+legend