下面，在我的代码中是假设找到模拟 BER。但是我在这段代码中遇到错误，其中nErrors = biterr(dataIn,dataDec2)这条线给出了矩阵尺寸不匹配。
有没有人可以帮助我？
close all;
clear all;
M = 2; % Modulation order
k = log2(M); % Bits per symbol
EbNoVec = -4:2:0; % Eb/No values (dB)
No = -10;
numSymPerFrame = 100; % Number of PSK symbols per frame
berEst2 = zeros(size(EbNoVec));
G2=[1 1 0 0 1 0 0 0 0 0 0 0 0 0 0;
0 1 1 0 0 1 0 0 0 0 0 0 0 0 0;
0 0 1 1 0 0 1 0 0 0 0 0 0 0 0;
1 0 1 0 0 0 0 1 0 0 0 0 0 0 0;
1 0 0 1 0 0 0 0 1 0 0 0 0 0 0;
0 1 0 1 0 0 0 0 0 1 0 0 0 0 0;
1 1 1 0 0 0 0 0 0 0 1 0 0 0 0;
0 1 1 1 0 0 0 0 0 0 0 1 0 0 0;
1 0 1 1 0 0 0 0 0 0 0 0 1 0 0;
1 1 0 1 0 0 0 0 0 0 0 0 0 1 0;
1 1 1 1 0 0 0 0 0 0 0 0 0 0 1 ];
H2= gen2par(G2);
decoding2 = syndtable(H2);
Pt2 = zeros(size(EbNoVec));
for n = 1:length(EbNoVec)
% Convert Eb/No to SNR
snrdB = EbNoVec(n) + 10*log10(15/11);
% Reset the error and bit counters
numErrs = 0;
numBits = 0;
Pt2(n)= 10^((snrdB-10)/10);
while numErrs < 100
% Generate binary data and convert to symbols
dataIn = randi([0 1],numSymPerFrame,k)
dataSym = bi2de(dataIn)
dataEnc2 = encode(dataIn,15,11,'linear/binary',G2)
% PSK modulation
txSig = pskmod(dataEnc2,M);
% Pass through AWGN channel
rxSig = awgn(txSig,snrdB,'measured');
% Demodulate the noisy signal
rxSym = pskdemod(rxSig,M);
% Convert received symbols to bits
dataOut = de2bi(rxSym,k);
dataDec2 =decode(rxSym,15,11,'linear/binary',G2, decoding2);
% Calculate the number of bit errors
nErrors = biterr(dataIn,dataDec2);
% Increment the error and bit counters
numErrs = numErrs + nErrors;
numBits = numBits + numSymPerFrame*k;
end
% Estimate the BER
berEst2(n) = numErrs/numBits;
end
berTheory2 = berawgn(EbNoVec,'psk',M,'nondiff');
hold on
semilogy(EbNoVec,berEst1,'r','LineWidth',2);