Bahman
Posts:
9
Registered:
4/12/11
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Re: commBCHEncoder/commBCHDecoder
Posted:
Aug 14, 2012 10:49 PM
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"Fulus " <case28@gmail.com> wrote in message <k0e2fr$p69$1@newscl01ah.mathworks.com>...
> Hello Bahman
>
> I observed that its when i use "hEnc = comm.LDPCEncoder(H); and
> hDec = comm.LDPCDecoder(H);" that the decoder introduces errors. I used this because I got an error message which I could not understand while using the following you recommended:
>
> henc = fec.ldpcenc(H);
> hdec = fec.ldpcdec(H);
> hdec.DecisionType = 'Hard decision';
> hdec.OutputFormat = 'Information part';
> hdec.NumIterations = 50;
>
> here is the error message I got, which I have since been unable to resolve:
>
> Error using tf (line 293)
> The values of the "num" and "den" properties must be row vectors or cell arrays of row
> vectors, where each vector is nonempty and containing numeric data. Type "help tf.num" or
> "help tf.den" for more information.
>
> Error in step (line 97)
> sys = tf(a,b);
>
> Error in wild (line 42)
> BCHFEC=step(henc,BBframe);
Hi dear
is your bbframe a row vector?
because error indicates that it is a column vector,try it inverted (BBframe')
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