Information on Result #2521082
Linear OOA(6489, 4194381, F64, 2, 20) (dual of [(4194381, 2), 8388673, 21]-NRT-code), using 641 times duplication based on linear OOA(6488, 4194381, F64, 2, 20) (dual of [(4194381, 2), 8388674, 21]-NRT-code), using
- (u, u+v)-construction [i] based on
- linear OOA(6411, 80, F64, 2, 10) (dual of [(80, 2), 149, 11]-NRT-code), using
- extended algebraic-geometric NRT-code AGe(2;F,149P) [i] based on function field F/F64 with g(F) = 1 and N(F) ≥ 80, using
- linear OOA(6477, 4194301, F64, 2, 20) (dual of [(4194301, 2), 8388525, 21]-NRT-code), using
- OOA 2-folding [i] based on linear OA(6477, 8388602, F64, 20) (dual of [8388602, 8388525, 21]-code), using
- discarding factors / shortening the dual code based on linear OA(6477, large, F64, 20) (dual of [large, large−77, 21]-code), using
- the primitive expurgated narrow-sense BCH-code C(I) with length 16777215 = 644−1, defining interval I = [0,19], and designed minimum distance d ≥ |I|+1 = 21 [i]
- discarding factors / shortening the dual code based on linear OA(6477, large, F64, 20) (dual of [large, large−77, 21]-code), using
- OOA 2-folding [i] based on linear OA(6477, 8388602, F64, 20) (dual of [8388602, 8388525, 21]-code), using
- linear OOA(6411, 80, F64, 2, 10) (dual of [(80, 2), 149, 11]-NRT-code), using
Mode: Constructive and linear.
Optimality
Show details for fixed k and m, k and s, k and t, m and s, m and t.
Other Results with Identical Parameters
None.
Depending Results
None.