Information on Result #730503
Linear OA(12834, 387, F128, 20) (dual of [387, 353, 21]-code), using construction XX applied to C1 = C([0,18]), C2 = C([2,19]), C3 = C1 + C2 = C([2,18]), and C∩ = C1 ∩ C2 = C([0,19]) based on
- linear OA(12831, 381, F128, 19) (dual of [381, 350, 20]-code), using the expurgated narrow-sense BCH-code C(I) with length 381 | 1282−1, defining interval I = [0,18], and designed minimum distance d ≥ |I|+1 = 20 [i]
- linear OA(12830, 381, F128, 18) (dual of [381, 351, 19]-code), using the BCH-code C(I) with length 381 | 1282−1, defining interval I = {2,3,…,19}, and designed minimum distance d ≥ |I|+1 = 19 [i]
- linear OA(12833, 381, F128, 20) (dual of [381, 348, 21]-code), using the expurgated narrow-sense BCH-code C(I) with length 381 | 1282−1, defining interval I = [0,19], and designed minimum distance d ≥ |I|+1 = 21 [i]
- linear OA(12828, 381, F128, 17) (dual of [381, 353, 18]-code), using the BCH-code C(I) with length 381 | 1282−1, defining interval I = {2,3,…,18}, and designed minimum distance d ≥ |I|+1 = 18 [i]
- linear OA(1281, 4, F128, 1) (dual of [4, 3, 2]-code), using
- discarding factors / shortening the dual code based on linear OA(1281, 128, F128, 1) (dual of [128, 127, 2]-code), using
- Reed–Solomon code RS(127,128) [i]
- discarding factors / shortening the dual code based on linear OA(1281, 128, F128, 1) (dual of [128, 127, 2]-code), using
- linear OA(1280, 2, F128, 0) (dual of [2, 2, 1]-code), using
- discarding factors / shortening the dual code based on linear OA(1280, s, F128, 0) (dual of [s, s, 1]-code) for arbitrarily large s, using
Mode: Constructive and linear.
Optimality
Show details for fixed k and m, n and k, k and s, k and t, n and m, m and s, m and t, n and s, n and t.
Other Results with Identical Parameters
None.
Depending Results
None.