Best Known (191, 191+30, s)-Nets in Base 3
(191, 191+30, 11810)-Net over F3 — Constructive and digital
Digital (191, 221, 11810)-net over F3, using
- net defined by OOA [i] based on linear OOA(3221, 11810, F3, 30, 30) (dual of [(11810, 30), 354079, 31]-NRT-code), using
- OA 15-folding and stacking [i] based on linear OA(3221, 177150, F3, 30) (dual of [177150, 176929, 31]-code), using
- discarding factors / shortening the dual code based on linear OA(3221, 177158, F3, 30) (dual of [177158, 176937, 31]-code), using
- 1 times truncation [i] based on linear OA(3222, 177159, F3, 31) (dual of [177159, 176937, 32]-code), using
- construction X applied to Ce(30) ⊂ Ce(28) [i] based on
- linear OA(3221, 177147, F3, 31) (dual of [177147, 176926, 32]-code), using an extension Ce(30) of the primitive narrow-sense BCH-code C(I) with length 177146 = 311−1, defining interval I = [1,30], and designed minimum distance d ≥ |I|+1 = 31 [i]
- linear OA(3210, 177147, F3, 29) (dual of [177147, 176937, 30]-code), using an extension Ce(28) of the primitive narrow-sense BCH-code C(I) with length 177146 = 311−1, defining interval I = [1,28], and designed minimum distance d ≥ |I|+1 = 29 [i]
- linear OA(31, 12, F3, 1) (dual of [12, 11, 2]-code), using
- discarding factors / shortening the dual code based on linear OA(31, s, F3, 1) (dual of [s, s−1, 2]-code) with arbitrarily large s, using
- construction X applied to Ce(30) ⊂ Ce(28) [i] based on
- 1 times truncation [i] based on linear OA(3222, 177159, F3, 31) (dual of [177159, 176937, 32]-code), using
- discarding factors / shortening the dual code based on linear OA(3221, 177158, F3, 30) (dual of [177158, 176937, 31]-code), using
- OA 15-folding and stacking [i] based on linear OA(3221, 177150, F3, 30) (dual of [177150, 176929, 31]-code), using
(191, 191+30, 52788)-Net over F3 — Digital
Digital (191, 221, 52788)-net over F3, using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OOA(3221, 52788, F3, 3, 30) (dual of [(52788, 3), 158143, 31]-NRT-code), using
- discarding factors / shortening the dual code based on linear OOA(3221, 59052, F3, 3, 30) (dual of [(59052, 3), 176935, 31]-NRT-code), using
- OOA 3-folding [i] based on linear OA(3221, 177156, F3, 30) (dual of [177156, 176935, 31]-code), using
- discarding factors / shortening the dual code based on linear OA(3221, 177158, F3, 30) (dual of [177158, 176937, 31]-code), using
- 1 times truncation [i] based on linear OA(3222, 177159, F3, 31) (dual of [177159, 176937, 32]-code), using
- construction X applied to Ce(30) ⊂ Ce(28) [i] based on
- linear OA(3221, 177147, F3, 31) (dual of [177147, 176926, 32]-code), using an extension Ce(30) of the primitive narrow-sense BCH-code C(I) with length 177146 = 311−1, defining interval I = [1,30], and designed minimum distance d ≥ |I|+1 = 31 [i]
- linear OA(3210, 177147, F3, 29) (dual of [177147, 176937, 30]-code), using an extension Ce(28) of the primitive narrow-sense BCH-code C(I) with length 177146 = 311−1, defining interval I = [1,28], and designed minimum distance d ≥ |I|+1 = 29 [i]
- linear OA(31, 12, F3, 1) (dual of [12, 11, 2]-code), using
- discarding factors / shortening the dual code based on linear OA(31, s, F3, 1) (dual of [s, s−1, 2]-code) with arbitrarily large s, using
- construction X applied to Ce(30) ⊂ Ce(28) [i] based on
- 1 times truncation [i] based on linear OA(3222, 177159, F3, 31) (dual of [177159, 176937, 32]-code), using
- discarding factors / shortening the dual code based on linear OA(3221, 177158, F3, 30) (dual of [177158, 176937, 31]-code), using
- OOA 3-folding [i] based on linear OA(3221, 177156, F3, 30) (dual of [177156, 176935, 31]-code), using
- discarding factors / shortening the dual code based on linear OOA(3221, 59052, F3, 3, 30) (dual of [(59052, 3), 176935, 31]-NRT-code), using
(191, 191+30, large)-Net in Base 3 — Upper bound on s
There is no (191, 221, large)-net in base 3, because
- 28 times m-reduction [i] would yield (191, 193, large)-net in base 3, but