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Hamid Reza Barzegar


Active since 2015

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How to use decoding of binary LDPC as in Elec. Letters by MacKay&Neal 13March1997
Hello, I want need to exploit "LDPC as in Elec. Letters by MacKay&Neal 13March1997" which wrote by Igor Kozintsev. ...

7 years ago | 0 answers | 0

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answers

Question


How do I put variable values into a text string for Legend
I want to put the variable as a legend but in form of power of some amount this is the variable x=-1.1; then in the r...

7 years ago | 1 answer | 1

1

answer

Question


How to calculate soft output for bpsk demodulator
I use BPSK modulator and de-modulator and for error correction i use LDPC. input for LDPC decoder should be soft out put (likel...

7 years ago | 0 answers | 0

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answers

Question


How to generating LDPC parity-check matrices with arbitrary sizes?
I want to use comm.LDPCEncoder/comm.LDPCDecoder and i know to use this encoder decoder in Matlab the H matrices should be System...

7 years ago | 1 answer | 0

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answer

Question


How can I start writing a Matlab code for making LDPC code?
From where to start to writ any Matlab code for LDPC encoder / decoder? I want to use this LDPC code for part of another projec...

7 years ago | 0 answers | 0

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answers

Question


How to spread out an arry of matrix randomly
I have random matrix like this [2 2 2 2 1 1 1 1 1 -1 -1 -1 -1 -1] and depend to the result of calculation number of 2 1...

8 years ago | 2 answers | 0

2

answers

Question


How to extract a matlab program with all functions
I have a matlab program which is in the directory with many unused functions. I want to know is there any way to extract to all...

8 years ago | 2 answers | 0

2

answers

Answered
LDPC H matrix with diffrent rate
Thanks Noah for the code. your code is working well with this matrix 12 16 4 3 4 4 4 4 4 4 4 4 4 4 4 4 3 3 3 3 3 3 3 3 3 ...

8 years ago | 0

Question


how to customize dvbs2ldpc in matlab
I want to use dvbs2ldpc but length of http://www.mathworks.com/help/comm/ref/comm.ldpcencoder-class.html#bsyh0xo-4 but it has a...

8 years ago | 0 answers | 0

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answers

Question


Read from text file and write in matrix
I have a different kind of text file which is positions of matrices and i want to convert it to binary spars matrix . how sho...

8 years ago | 0 answers | 0

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answers

Question


LDPC H matrix with diffrent rate
Hello, I need a LDPC (Gallager) H matrix with different rate 2/3 1/4 8/9 and so on. I found H matrices with rate of 1/2 as ....

8 years ago | 4 answers | 0

4

answers

Question


david mackay ldpc codes in matlab
I'm looking for LDPC code Error correction which is implemented by professor David Mackey. I want to know is there any implemen...

8 years ago | 1 answer | 0

1

answer

Question


How to make a random vector in Matlab as a ones and zeros but under control?
How to make a random vector in Matlab as a ones and zeros with this condition, that the number of ones be under my control. wh...

8 years ago | 1 answer | 0

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answer