Best Known (42, 42+34, s)-Nets in Base 128
(42, 42+34, 965)-Net over F128 — Constructive and digital
Digital (42, 76, 965)-net over F128, using
- t-expansion [i] based on digital (41, 76, 965)-net over F128, using
- net defined by OOA [i] based on linear OOA(12876, 965, F128, 35, 35) (dual of [(965, 35), 33699, 36]-NRT-code), using
- OOA 17-folding and stacking with additional row [i] based on linear OA(12876, 16406, F128, 35) (dual of [16406, 16330, 36]-code), using
- discarding factors / shortening the dual code based on linear OA(12876, 16408, F128, 35) (dual of [16408, 16332, 36]-code), using
- construction X applied to C([0,17]) ⊂ C([0,13]) [i] based on
- linear OA(12869, 16385, F128, 35) (dual of [16385, 16316, 36]-code), using the expurgated narrow-sense BCH-code C(I) with length 16385 | 1284−1, defining interval I = [0,17], and minimum distance d ≥ |{−17,−16,…,17}|+1 = 36 (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(1287, 23, F128, 7) (dual of [23, 16, 8]-code or 23-arc in PG(6,128)), using
- discarding factors / shortening the dual code based on linear OA(1287, 128, F128, 7) (dual of [128, 121, 8]-code or 128-arc in PG(6,128)), using
- Reed–Solomon code RS(121,128) [i]
- discarding factors / shortening the dual code based on linear OA(1287, 128, F128, 7) (dual of [128, 121, 8]-code or 128-arc in PG(6,128)), using
- construction X applied to C([0,17]) ⊂ C([0,13]) [i] based on
- discarding factors / shortening the dual code based on linear OA(12876, 16408, F128, 35) (dual of [16408, 16332, 36]-code), using
- OOA 17-folding and stacking with additional row [i] based on linear OA(12876, 16406, F128, 35) (dual of [16406, 16330, 36]-code), using
- net defined by OOA [i] based on linear OOA(12876, 965, F128, 35, 35) (dual of [(965, 35), 33699, 36]-NRT-code), using
(42, 42+34, 8732)-Net over F128 — Digital
Digital (42, 76, 8732)-net over F128, using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OA(12876, 8732, F128, 34) (dual of [8732, 8656, 35]-code), using
- discarding factors / shortening the dual code based on linear OA(12876, 16413, F128, 34) (dual of [16413, 16337, 35]-code), using
- construction X applied to Ce(33) ⊂ Ce(23) [i] based on
- linear OA(12867, 16384, F128, 34) (dual of [16384, 16317, 35]-code), using an extension Ce(33) of the primitive narrow-sense BCH-code C(I) with length 16383 = 1282−1, defining interval I = [1,33], and designed minimum distance d ≥ |I|+1 = 34 [i]
- linear OA(12847, 16384, F128, 24) (dual of [16384, 16337, 25]-code), using an extension Ce(23) of the primitive narrow-sense BCH-code C(I) with length 16383 = 1282−1, defining interval I = [1,23], and designed minimum distance d ≥ |I|+1 = 24 [i]
- linear OA(1289, 29, F128, 9) (dual of [29, 20, 10]-code or 29-arc in PG(8,128)), using
- discarding factors / shortening the dual code based on linear OA(1289, 128, F128, 9) (dual of [128, 119, 10]-code or 128-arc in PG(8,128)), using
- Reed–Solomon code RS(119,128) [i]
- discarding factors / shortening the dual code based on linear OA(1289, 128, F128, 9) (dual of [128, 119, 10]-code or 128-arc in PG(8,128)), using
- construction X applied to Ce(33) ⊂ Ce(23) [i] based on
- discarding factors / shortening the dual code based on linear OA(12876, 16413, F128, 34) (dual of [16413, 16337, 35]-code), using
(42, 42+34, large)-Net in Base 128 — Upper bound on s
There is no (42, 76, large)-net in base 128, because
- 32 times m-reduction [i] would yield (42, 44, large)-net in base 128, but