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Many changes for 400G DSP

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Minimal Example
...
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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13
Functions/EQ_structures/vnle.m
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@@ -1,4 +1,4 @@
function [eq_signal,eq_noise,ber,numErrors] = vnle(EQ,M,rx_signal,tx_symbols,tx_bits)
function [eq_signal,eq_noise,ber,numErrors] = vnle(EQ,M,rx_signal,tx_symbols,tx_bits,emulate_precode)
%VNLE Apply an equalization algorithm to the received signal and calculate BER
% This function takes an equalizer object, a received signal, and the
% transmitted symbols to apply equalization, map the received signal back to bits,
@@ -16,6 +16,17 @@ function [eq_signal,eq_noise,ber,numErrors] = vnle(EQ,M,rx_signal,tx_symbols,tx_
%FFE or VNLE
[eq_signal,eq_noise] = EQ.process(rx_signal,tx_symbols);
eq_signal = PAMmapper(M,0).quantize(eq_signal);
if emulate_precode
eq_signal = Duobinary().encode(eq_signal);
eq_signal = Duobinary().decode(eq_signal);
tx_symbols= Duobinary().encode(tx_symbols);
tx_symbols = Duobinary().decode(tx_symbols);
tx_bits = PAMmapper(M,0).demap(tx_symbols);
end
% M = numel(unique(tx_symbols.signal));
rx_bits = PAMmapper(M,0).demap(eq_signal);

3
Functions/EQ_structures/vnle_postfilter_mlse.m
View File

@@ -3,12 +3,15 @@ function [eq_signal,eq_noise,ber,numErrors] = vnle_postfilter_mlse(eq_,pf_,mlse_
%FFE or VNLE
[eq_signal,eq_noise] = eq_.process(rx_signal,tx_symbols);
% eq_noise.signal = eq_noise.signal - movmean(eq_noise.signal,[5000,0]);
eq_signal = pf_.process(eq_signal,eq_noise);
%M = numel(unique(tx_symbols.signal));
mlse_.DIR = pf_.burg_coeff;
mlse_.trellis_states = PAMmapper(M,0).levels;
mlse_.M = M;
eq_signal = mlse_.process(eq_signal);
rx_bits = PAMmapper(M,0).demap(eq_signal);