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how to estimate the probabity of undetected error in bch code

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En Zhang
En Zhang on 3 May 2020
Answered: Samatha Aleti on 6 May 2020
how to estimate the probabity of undetected error in bch code, could you give me a example (63,39) bch code?

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Answers (1)

Samatha Aleti
Samatha Aleti on 6 May 2020
Hi,
BCH codes” are better known for its error correction capability. You can use “bchgenpoly” function to know about the error-correction capability “t and generator polynomial for a given codeword length “n” and message length” k”, using the following syntax:
[gp,t] = bchgenpoly(n,k);
To know the valid message length values” kand corresponding error-correction capability “t for a given codeword length “n” you can use the “bchnumerr” function.Here is a sample code:
n = 63;
k = 39;
T = bchnumerr(n,k);
You can refer the MATLAB documentation page for examples about Overall workflow and Error detection and correction in “BCH codes” using MATLAB here
Hope this helps!

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