Files
imdd_silas/test/test_mapping_eth.m
2025-02-20 05:38:09 +01:00

29 lines
675 B
Matlab

% 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);