changes from zurich; my mac

test/test_mapping_eth.m

@@ -0,0 +1,29 @@
+
+% Setup PRBS parameters
+O = 12;
+M = 2;
+N = 2^(O-1); % Length of PRBS
+randkey = 1; % Random key for random stream
+
+[~, seed] = prbs(O, 1); % Initialize first seed of PRBS
+bitpattern = [];
+
+s = RandStream('twister', 'Seed', randkey);
+for i = 1:log2(M)
+    bitpattern(:, i) = randi(s, [0 1], N, 1);
+end
+
+Tx_bits = Informationsignal(bitpattern);
+
+Digi_Mod = PAMmapper(M, 0,"eth_style",1);
+
+% Map bits to symbols
+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);
+
+fprintf('BER VNLE: %.1E \n',ber);