Best Known (69−31, 69, s)-Nets in Base 128
(69−31, 69, 1093)-Net over F128 — Constructive and digital
Digital (38, 69, 1093)-net over F128, using
- 1285 times duplication [i] based on digital (33, 64, 1093)-net over F128, using
- net defined by OOA [i] based on linear OOA(12864, 1093, F128, 31, 31) (dual of [(1093, 31), 33819, 32]-NRT-code), using
- OOA 15-folding and stacking with additional row [i] based on linear OA(12864, 16396, F128, 31) (dual of [16396, 16332, 32]-code), using
- construction X applied to C([0,15]) ⊂ C([0,13]) [i] based on
- linear OA(12861, 16385, F128, 31) (dual of [16385, 16324, 32]-code), using the expurgated narrow-sense BCH-code C(I) with length 16385 | 1284−1, defining interval I = [0,15], and minimum distance d ≥ |{−15,−14,…,15}|+1 = 32 (BCH-bound) [i]
- linear OA(12853, 16385, F128, 27) (dual of [16385, 16332, 28]-code), using the expurgated narrow-sense BCH-code C(I) with length 16385 | 1284−1, defining interval I = [0,13], and minimum distance d ≥ |{−13,−12,…,13}|+1 = 28 (BCH-bound) [i]
- linear OA(1283, 11, F128, 3) (dual of [11, 8, 4]-code or 11-arc in PG(2,128) or 11-cap in PG(2,128)), using
- discarding factors / shortening the dual code based on linear OA(1283, 128, F128, 3) (dual of [128, 125, 4]-code or 128-arc in PG(2,128) or 128-cap in PG(2,128)), using
- Reed–Solomon code RS(125,128) [i]
- discarding factors / shortening the dual code based on linear OA(1283, 128, F128, 3) (dual of [128, 125, 4]-code or 128-arc in PG(2,128) or 128-cap in PG(2,128)), using
- construction X applied to C([0,15]) ⊂ C([0,13]) [i] based on
- OOA 15-folding and stacking with additional row [i] based on linear OA(12864, 16396, F128, 31) (dual of [16396, 16332, 32]-code), using
- net defined by OOA [i] based on linear OOA(12864, 1093, F128, 31, 31) (dual of [(1093, 31), 33819, 32]-NRT-code), using
(69−31, 69, 8205)-Net over F128 — Digital
Digital (38, 69, 8205)-net over F128, using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OOA(12869, 8205, F128, 2, 31) (dual of [(8205, 2), 16341, 32]-NRT-code), using
- OOA 2-folding [i] based on linear OA(12869, 16410, F128, 31) (dual of [16410, 16341, 32]-code), using
- construction X applied to Ce(30) ⊂ Ce(21) [i] based on
- linear OA(12861, 16384, F128, 31) (dual of [16384, 16323, 32]-code), using an extension Ce(30) of the primitive narrow-sense BCH-code C(I) with length 16383 = 1282−1, defining interval I = [1,30], and designed minimum distance d ≥ |I|+1 = 31 [i]
- linear OA(12843, 16384, F128, 22) (dual of [16384, 16341, 23]-code), using an extension Ce(21) of the primitive narrow-sense BCH-code C(I) with length 16383 = 1282−1, defining interval I = [1,21], and designed minimum distance d ≥ |I|+1 = 22 [i]
- linear OA(1288, 26, F128, 8) (dual of [26, 18, 9]-code or 26-arc in PG(7,128)), using
- discarding factors / shortening the dual code based on linear OA(1288, 128, F128, 8) (dual of [128, 120, 9]-code or 128-arc in PG(7,128)), using
- Reed–Solomon code RS(120,128) [i]
- discarding factors / shortening the dual code based on linear OA(1288, 128, F128, 8) (dual of [128, 120, 9]-code or 128-arc in PG(7,128)), using
- construction X applied to Ce(30) ⊂ Ce(21) [i] based on
- OOA 2-folding [i] based on linear OA(12869, 16410, F128, 31) (dual of [16410, 16341, 32]-code), using
(69−31, 69, large)-Net in Base 128 — Upper bound on s
There is no (38, 69, large)-net in base 128, because
- 29 times m-reduction [i] would yield (38, 40, large)-net in base 128, but