Information on Result #730823
Linear OA(25635, 779, F256, 20) (dual of [779, 744, 21]-code), using construction XX applied to C1 = C([248,266]), C2 = C([247,263]), C3 = C1 + C2 = C([248,263]), and C∩ = C1 ∩ C2 = C([247,266]) based on
- linear OA(25631, 771, F256, 19) (dual of [771, 740, 20]-code), using the BCH-code C(I) with length 771 | 2562−1, defining interval I = {248,249,…,266}, and designed minimum distance d ≥ |I|+1 = 20 [i]
- linear OA(25629, 771, F256, 17) (dual of [771, 742, 18]-code), using the BCH-code C(I) with length 771 | 2562−1, defining interval I = {247,248,…,263}, and designed minimum distance d ≥ |I|+1 = 18 [i]
- linear OA(25633, 771, F256, 20) (dual of [771, 738, 21]-code), using the BCH-code C(I) with length 771 | 2562−1, defining interval I = {247,248,…,266}, and designed minimum distance d ≥ |I|+1 = 21 [i]
- linear OA(25627, 771, F256, 16) (dual of [771, 744, 17]-code), using the BCH-code C(I) with length 771 | 2562−1, defining interval I = {248,249,…,263}, and designed minimum distance d ≥ |I|+1 = 17 [i]
- linear OA(2562, 6, F256, 2) (dual of [6, 4, 3]-code or 6-arc in PG(1,256)), using
- discarding factors / shortening the dual code based on linear OA(2562, 256, F256, 2) (dual of [256, 254, 3]-code or 256-arc in PG(1,256)), using
- Reed–Solomon code RS(254,256) [i]
- discarding factors / shortening the dual code based on linear OA(2562, 256, F256, 2) (dual of [256, 254, 3]-code or 256-arc in PG(1,256)), using
- linear OA(2560, 2, F256, 0) (dual of [2, 2, 1]-code), using
- discarding factors / shortening the dual code based on linear OA(2560, s, F256, 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
The following results depend on this result:
Result | This result only | Method | ||
---|---|---|---|---|
1 | Linear OOA(25635, 389, F256, 2, 20) (dual of [(389, 2), 743, 21]-NRT-code) | [i] | OOA Folding |