Best Known (67, 67+8, s)-Nets in Base 3
(67, 67+8, 1195750)-Net over F3 — Constructive and digital
Digital (67, 75, 1195750)-net over F3, using
- net defined by OOA [i] based on linear OOA(375, 1195750, F3, 8, 8) (dual of [(1195750, 8), 9565925, 9]-NRT-code), using
- OA 4-folding and stacking [i] based on linear OA(375, 4783000, F3, 8) (dual of [4783000, 4782925, 9]-code), using
- discarding factors / shortening the dual code based on linear OA(375, 4783001, F3, 8) (dual of [4783001, 4782926, 9]-code), using
- construction X applied to Ce(7) ⊂ Ce(4) [i] based on
- linear OA(371, 4782969, F3, 8) (dual of [4782969, 4782898, 9]-code), using an extension Ce(7) of the primitive narrow-sense BCH-code C(I) with length 4782968 = 314−1, defining interval I = [1,7], and designed minimum distance d ≥ |I|+1 = 8 [i]
- linear OA(343, 4782969, F3, 5) (dual of [4782969, 4782926, 6]-code), using an extension Ce(4) of the primitive narrow-sense BCH-code C(I) with length 4782968 = 314−1, defining interval I = [1,4], and designed minimum distance d ≥ |I|+1 = 5 [i]
- linear OA(34, 32, F3, 2) (dual of [32, 28, 3]-code), using
- discarding factors / shortening the dual code based on linear OA(34, 40, F3, 2) (dual of [40, 36, 3]-code), using
- Hamming code H(4,3) [i]
- discarding factors / shortening the dual code based on linear OA(34, 40, F3, 2) (dual of [40, 36, 3]-code), using
- construction X applied to Ce(7) ⊂ Ce(4) [i] based on
- discarding factors / shortening the dual code based on linear OA(375, 4783001, F3, 8) (dual of [4783001, 4782926, 9]-code), using
- OA 4-folding and stacking [i] based on linear OA(375, 4783000, F3, 8) (dual of [4783000, 4782925, 9]-code), using
(67, 67+8, 2391500)-Net over F3 — Digital
Digital (67, 75, 2391500)-net over F3, using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OOA(375, 2391500, F3, 2, 8) (dual of [(2391500, 2), 4782925, 9]-NRT-code), using
- OOA 2-folding [i] based on linear OA(375, 4783000, F3, 8) (dual of [4783000, 4782925, 9]-code), using
- discarding factors / shortening the dual code based on linear OA(375, 4783001, F3, 8) (dual of [4783001, 4782926, 9]-code), using
- construction X applied to Ce(7) ⊂ Ce(4) [i] based on
- linear OA(371, 4782969, F3, 8) (dual of [4782969, 4782898, 9]-code), using an extension Ce(7) of the primitive narrow-sense BCH-code C(I) with length 4782968 = 314−1, defining interval I = [1,7], and designed minimum distance d ≥ |I|+1 = 8 [i]
- linear OA(343, 4782969, F3, 5) (dual of [4782969, 4782926, 6]-code), using an extension Ce(4) of the primitive narrow-sense BCH-code C(I) with length 4782968 = 314−1, defining interval I = [1,4], and designed minimum distance d ≥ |I|+1 = 5 [i]
- linear OA(34, 32, F3, 2) (dual of [32, 28, 3]-code), using
- discarding factors / shortening the dual code based on linear OA(34, 40, F3, 2) (dual of [40, 36, 3]-code), using
- Hamming code H(4,3) [i]
- discarding factors / shortening the dual code based on linear OA(34, 40, F3, 2) (dual of [40, 36, 3]-code), using
- construction X applied to Ce(7) ⊂ Ce(4) [i] based on
- discarding factors / shortening the dual code based on linear OA(375, 4783001, F3, 8) (dual of [4783001, 4782926, 9]-code), using
- OOA 2-folding [i] based on linear OA(375, 4783000, F3, 8) (dual of [4783000, 4782925, 9]-code), using
(67, 67+8, large)-Net in Base 3 — Upper bound on s
There is no (67, 75, large)-net in base 3, because
- 6 times m-reduction [i] would yield (67, 69, large)-net in base 3, but