Question

Use the polynomial $x^3+x+1$ to construct a $\mathrm{BCH}$ code that corrects a single error. List all of the plaintext and codeword polynomials and observe that the minimum distance between codewords is three.

   Use the polynomial $x^3+x+1$ to construct a $\mathrm{BCH}$ code that corrects a single error. List all of the plaintext and codeword polynomials and observe that the minimum distance between codewords is three.
Applied Algebra: Codes, Ciphers and Discrete Algorithms
Applied Algebra: Codes, Ciphers and Discrete Algorithms
Darel W. Hardy, Fred… 2nd Edition
Chapter 10, Problem 3 ↓

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This polynomial is used to define a finite field \(GF(2^3)\) because its degree is 3. The polynomial must be irreducible over \(GF(2)\) (i.e., it cannot be factored into lower-degree polynomials with coefficients in \(GF(2)\)). Since \(x^3 + x + 1\) has no roots  Show more…

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Use the polynomial $x^3+x+1$ to construct a $\mathrm{BCH}$ code that corrects a single error. List all of the plaintext and codeword polynomials and observe that the minimum distance between codewords is three.
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