Best Known (18−6, 18, s)-Nets in Base 128
(18−6, 18, 699054)-Net over F128 — Constructive and digital
Digital (12, 18, 699054)-net over F128, using
- net defined by OOA [i] based on linear OOA(12818, 699054, F128, 6, 6) (dual of [(699054, 6), 4194306, 7]-NRT-code), using
- OA 3-folding and stacking [i] based on linear OA(12818, 2097162, F128, 6) (dual of [2097162, 2097144, 7]-code), using
- discarding factors / shortening the dual code based on linear OA(12818, 2097163, F128, 6) (dual of [2097163, 2097145, 7]-code), using
- construction X applied to Ce(5) ⊂ Ce(2) [i] based on
- linear OA(12816, 2097152, F128, 6) (dual of [2097152, 2097136, 7]-code), using an extension Ce(5) of the primitive narrow-sense BCH-code C(I) with length 2097151 = 1283−1, defining interval I = [1,5], and designed minimum distance d ≥ |I|+1 = 6 [i]
- linear OA(1287, 2097152, F128, 3) (dual of [2097152, 2097145, 4]-code or 2097152-cap in PG(6,128)), using an extension Ce(2) of the primitive narrow-sense BCH-code C(I) with length 2097151 = 1283−1, defining interval I = [1,2], and designed minimum distance d ≥ |I|+1 = 3 [i]
- linear OA(1282, 11, F128, 2) (dual of [11, 9, 3]-code or 11-arc in PG(1,128)), using
- discarding factors / shortening the dual code based on linear OA(1282, 128, F128, 2) (dual of [128, 126, 3]-code or 128-arc in PG(1,128)), using
- Reed–Solomon code RS(126,128) [i]
- discarding factors / shortening the dual code based on linear OA(1282, 128, F128, 2) (dual of [128, 126, 3]-code or 128-arc in PG(1,128)), using
- construction X applied to Ce(5) ⊂ Ce(2) [i] based on
- discarding factors / shortening the dual code based on linear OA(12818, 2097163, F128, 6) (dual of [2097163, 2097145, 7]-code), using
- OA 3-folding and stacking [i] based on linear OA(12818, 2097162, F128, 6) (dual of [2097162, 2097144, 7]-code), using
(18−6, 18, 2097163)-Net over F128 — Digital
Digital (12, 18, 2097163)-net over F128, using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OA(12818, 2097163, F128, 6) (dual of [2097163, 2097145, 7]-code), using
- construction X applied to Ce(5) ⊂ Ce(2) [i] based on
- linear OA(12816, 2097152, F128, 6) (dual of [2097152, 2097136, 7]-code), using an extension Ce(5) of the primitive narrow-sense BCH-code C(I) with length 2097151 = 1283−1, defining interval I = [1,5], and designed minimum distance d ≥ |I|+1 = 6 [i]
- linear OA(1287, 2097152, F128, 3) (dual of [2097152, 2097145, 4]-code or 2097152-cap in PG(6,128)), using an extension Ce(2) of the primitive narrow-sense BCH-code C(I) with length 2097151 = 1283−1, defining interval I = [1,2], and designed minimum distance d ≥ |I|+1 = 3 [i]
- linear OA(1282, 11, F128, 2) (dual of [11, 9, 3]-code or 11-arc in PG(1,128)), using
- discarding factors / shortening the dual code based on linear OA(1282, 128, F128, 2) (dual of [128, 126, 3]-code or 128-arc in PG(1,128)), using
- Reed–Solomon code RS(126,128) [i]
- discarding factors / shortening the dual code based on linear OA(1282, 128, F128, 2) (dual of [128, 126, 3]-code or 128-arc in PG(1,128)), using
- construction X applied to Ce(5) ⊂ Ce(2) [i] based on
(18−6, 18, large)-Net in Base 128 — Upper bound on s
There is no (12, 18, large)-net in base 128, because
- 4 times m-reduction [i] would yield (12, 14, large)-net in base 128, but