Information on Result #876692
Linear OOA(8139, 3281, F81, 2, 20) (dual of [(3281, 2), 6523, 21]-NRT-code), using OOA 2-folding based on linear OA(8139, 6562, F81, 20) (dual of [6562, 6523, 21]-code), using
- discarding factors / shortening the dual code based on linear OA(8139, 6563, F81, 20) (dual of [6563, 6524, 21]-code), using
- construction X applied to Ce(19) ⊂ Ce(18) [i] based on
- linear OA(8139, 6561, F81, 20) (dual of [6561, 6522, 21]-code), using an extension Ce(19) of the primitive narrow-sense BCH-code C(I) with length 6560 = 812−1, defining interval I = [1,19], and designed minimum distance d ≥ |I|+1 = 20 [i]
- linear OA(8137, 6561, F81, 19) (dual of [6561, 6524, 20]-code), using an extension Ce(18) of the primitive narrow-sense BCH-code C(I) with length 6560 = 812−1, defining interval I = [1,18], and designed minimum distance d ≥ |I|+1 = 19 [i]
- linear OA(810, 2, F81, 0) (dual of [2, 2, 1]-code), using
- discarding factors / shortening the dual code based on linear OA(810, s, F81, 0) (dual of [s, s, 1]-code) for arbitrarily large s, using
- construction X applied to Ce(19) ⊂ Ce(18) [i] based on
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(8149, 3363, F81, 2, 20) (dual of [(3363, 2), 6677, 21]-NRT-code) | [i] | (u, u+v)-Construction for OOAs | |
| 2 | Linear OOA(8150, 3381, F81, 2, 20) (dual of [(3381, 2), 6712, 21]-NRT-code) | [i] | ||
| 3 | Linear OOA(8151, 3397, F81, 2, 20) (dual of [(3397, 2), 6743, 21]-NRT-code) | [i] | ||
| 4 | Linear OOA(8153, 3431, F81, 2, 20) (dual of [(3431, 2), 6809, 21]-NRT-code) | [i] | ||
| 5 | Linear OOA(8154, 3445, F81, 2, 20) (dual of [(3445, 2), 6836, 21]-NRT-code) | [i] | ||
| 6 | Linear OOA(8155, 3463, F81, 2, 20) (dual of [(3463, 2), 6871, 21]-NRT-code) | [i] | ||
| 7 | Linear OOA(8156, 3481, F81, 2, 20) (dual of [(3481, 2), 6906, 21]-NRT-code) | [i] | ||