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Type: Posts; User: SarasMuthu

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  1. Replies
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    Matrix Row/Column operation

    Hello,

    Please debug my code. I need to perform column swap operation to make half part of MATRIX to be IDENTITY Matrix.

    I have added Row operation but dont know to add codes for column swap...
  2. Hi, The above H matrix is input matrix...

    Hi,

    The above H matrix is input matrix [48][96].. N=98, M=k=48

    I need to get OUTPUT
    1. Systematic matrix, Hsys = [A/I] from H matrix, where A is binary matrix of size KxM, and I is Identity of...
  3. Sorry for uncertainty. Now i will explain you...

    Sorry for uncertainty. Now i will explain you properly :)

    I have tried Matrix[3][6], ya it`s working fine.

    Now my requirement to move into Bigger matrix [48][96]. My code is not working for...
  4. LDPC Encoding Concept: I have a Parity check...

    LDPC Encoding Concept:

    I have a Parity check matrix H of size 48x96. 15178. Let k=48 and N=96, M=48

    From the H matrix, i need to generate a Generator Matrix =[Identity/P]. where Identity size...
  5. Sorry, i have tried to indent code properly but...

    Sorry, i have tried to indent code properly but its coming properly.
  6. reduced row-echelon form for Bigger Matrix Using C codes

    Hi,

    My code is working for small matrix only. But actually i need codes to work for Bigger matrix

    For e.g.
    msg[3] = {0,1,1};
    int H[3][6] = {1,1,0,0,1,0,1,0,0,1,0,1,1,1,1,0,0,1}; //WORKING...
  7. Hi, If you see the attachment, first loop...

    Hi,

    If you see the attachment, first loop takes more time. Any optimization method ? welcome




    for(j=0;j<ROWS && I<Imax;j++)
    {
  8. What you telling ?

    What you telling ?
  9. Thanks for your response. Working with message...

    Thanks for your response. Working with message passing. For ALGORITHM click [link] []SPM: 404 Page Not Found.

    -1 indicates the missed/Erasure bit. Then how to executes the codes. Please help and...
  10. C codes takes more timing cycles_Better OPTIMIZATION for Codes

    Hi,

    It takes more timing cycles.

    Starts at 46 clock cycles but execution continues for 678 clock cycles. Trying to reduce execution time. Please modify codes.



    #include <stdio.h>
  11. Replies
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    I have already included Optimization Directives...

    I have already included Optimization Directives to the codes. It`s reduce timing cycles somewhat but what i expected is not done. So looking for help from your side.
  12. Replies
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    1,134

    Sorry for Improper formatting:rolleyes:. Thanks...

    Sorry for Improper formatting:rolleyes:. Thanks for your response:confused:
  13. Replies
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    1,134

    Displaying incorrect values_what`s wrong?

    Hi,

    I am trying bit flipping function. But, While executing its showing incorrect value. I don`t where code going wrong. Please help me anyone.

    Correct Codeword :[10010101]// First 4 bits are...
  14. Replies
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    1,950

    Thanks for your response. But i don`t think...

    Thanks for your response. But i don`t think vivado HLS will accept those..
  15. Replies
    7
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    1,950

    Thanks for your response. I am doing...

    Thanks for your response.

    I am doing Bit_flippling. I am findind whether ZERO count is high or ONE COUNT IS HIGH.
  16. Replies
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    1,950

    C code optimization

    I have executed the following codes in Hardware and compared timing cycles. But timing cycles and latency are more, so i need to optimize my codes. but my skill level is not sufficient enough to...
  17. I don`t know , for that reason only i am posting....

    I don`t know , for that reason only i am posting. You viewing the C codes according to your C compiler. But mien is different, i am working in Hardware platform.
  18. Without using "abs" function how can i execute the program?

    Hi,

    I am executing C codes in VIVADO HLS. Values of Matrix showing in Negative value so i added "abs" but in VIVADO HLS, abs function is not accepted. Therefore, what i can replace "abs" in the...
  19. How to proceed and execute Decoding Using Tanner Graph

    Hi,

    I know LDPC decoding logic but i don`t have knowledge in Data Structure. Please help me How to proceed LDPC Decoding Using Tanner Graph in C Coding? Please teach me in writing coding step by...
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    Explain me the logic of given codes?

    Hi,

    I started learning C and C++ programming languages. I am unable to understand the logic of the given codes... Especially i dont know how "FOR LOOP" works in the given code.

    Please explain...
  21. Actually i am not getting about the type of...

    Actually i am not getting about the type of decoder concerned with partially parallel or fully serial bcoz I have to implement the LDPC decoder with the help of belief propagation algorithm.In that...
  22. LDPC Decoding:Looking for logic using algorithm.

    I am working LDPC encoding and decoding for mini project work. With my effort i have completed LDPC encoding but struggling with LDPC decoding.

    Message-passing on the binary erasure channel
    ...
  23. Iayyo da, It`s very difficult to make you...

    Iayyo da, It`s very difficult to make you understand..OOOps:frown:
  24. No, I know matrix multiplication. Actually what...

    No, I know matrix multiplication. Actually what is my problem means ? i am working with LDPC code



    int main()
    int H_Matrix[3][6]={{1,1,0,0,1,0},{1,0,0,1,0,1},{1,1,1,0,0,1}}; //2-dimensional...
  25. How to multiply single dimensional array with 2-dimensional array

    Hi,

    How to multiply single dimensional array with 2-dimensional array. Please share me the logic.


    int H_Matrix[3][6]={{1,1,0,0,1,0},{1,0,0,1,0,1},{1,1,1,0,0,1}}; //2-dimensional array
    ...
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