Information on Result #1521768
Linear OOA(397, 3284, F3, 3, 18) (dual of [(3284, 3), 9755, 19]-NRT-code), using embedding of OOA with Gilbert–Varšamov bound based on linear OOA(397, 3284, F3, 2, 18) (dual of [(3284, 2), 6471, 19]-NRT-code), using
- OOA 2-folding [i] based on linear OA(397, 6568, F3, 18) (dual of [6568, 6471, 19]-code), using
- discarding factors / shortening the dual code based on linear OA(397, 6569, F3, 18) (dual of [6569, 6472, 19]-code), using
- 1 times truncation [i] based on linear OA(398, 6570, F3, 19) (dual of [6570, 6472, 20]-code), using
- construction X applied to Ce(18) ⊂ Ce(16) [i] based on
- linear OA(397, 6561, F3, 19) (dual of [6561, 6464, 20]-code), using an extension Ce(18) of the primitive narrow-sense BCH-code C(I) with length 6560 = 38−1, defining interval I = [1,18], and designed minimum distance d ≥ |I|+1 = 19 [i]
- linear OA(389, 6561, F3, 17) (dual of [6561, 6472, 18]-code), using an extension Ce(16) of the primitive narrow-sense BCH-code C(I) with length 6560 = 38−1, defining interval I = [1,16], and designed minimum distance d ≥ |I|+1 = 17 [i]
- linear OA(31, 9, F3, 1) (dual of [9, 8, 2]-code), using
- discarding factors / shortening the dual code based on linear OA(31, s, F3, 1) (dual of [s, s−1, 2]-code) for arbitrarily large s, using
- construction X applied to Ce(18) ⊂ Ce(16) [i] based on
- 1 times truncation [i] based on linear OA(398, 6570, F3, 19) (dual of [6570, 6472, 20]-code), using
- discarding factors / shortening the dual code based on linear OA(397, 6569, F3, 18) (dual of [6569, 6472, 19]-code), using
Mode: 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(397, 1642, F3, 5, 18) (dual of [(1642, 5), 8113, 19]-NRT-code) | [i] | OOA Folding | |