Best Known (19, 19+10, s)-Nets in Base 128
(19, 19+10, 419431)-Net over F128 — Constructive and digital
Digital (19, 29, 419431)-net over F128, using
- 1281 times duplication [i] based on digital (18, 28, 419431)-net over F128, using
- net defined by OOA [i] based on linear OOA(12828, 419431, F128, 10, 10) (dual of [(419431, 10), 4194282, 11]-NRT-code), using
- OA 5-folding and stacking [i] based on linear OA(12828, 2097155, F128, 10) (dual of [2097155, 2097127, 11]-code), using
- construction X applied to Ce(9) ⊂ Ce(8) [i] based on
- linear OA(12828, 2097152, F128, 10) (dual of [2097152, 2097124, 11]-code), using an extension Ce(9) of the primitive narrow-sense BCH-code C(I) with length 2097151 = 1283−1, defining interval I = [1,9], and designed minimum distance d ≥ |I|+1 = 10 [i]
- linear OA(12825, 2097152, F128, 9) (dual of [2097152, 2097127, 10]-code), using an extension Ce(8) of the primitive narrow-sense BCH-code C(I) with length 2097151 = 1283−1, defining interval I = [1,8], and designed minimum distance d ≥ |I|+1 = 9 [i]
- linear OA(1280, 3, F128, 0) (dual of [3, 3, 1]-code), using
- discarding factors / shortening the dual code based on linear OA(1280, s, F128, 0) (dual of [s, s, 1]-code) with arbitrarily large s, using
- construction X applied to Ce(9) ⊂ Ce(8) [i] based on
- OA 5-folding and stacking [i] based on linear OA(12828, 2097155, F128, 10) (dual of [2097155, 2097127, 11]-code), using
- net defined by OOA [i] based on linear OOA(12828, 419431, F128, 10, 10) (dual of [(419431, 10), 4194282, 11]-NRT-code), using
(19, 19+10, 1048579)-Net over F128 — Digital
Digital (19, 29, 1048579)-net over F128, using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OOA(12829, 1048579, F128, 2, 10) (dual of [(1048579, 2), 2097129, 11]-NRT-code), using
- OOA 2-folding [i] based on linear OA(12829, 2097158, F128, 10) (dual of [2097158, 2097129, 11]-code), using
- discarding factors / shortening the dual code based on linear OA(12829, 2097159, F128, 10) (dual of [2097159, 2097130, 11]-code), using
- construction X applied to Ce(9) ⊂ Ce(7) [i] based on
- linear OA(12828, 2097152, F128, 10) (dual of [2097152, 2097124, 11]-code), using an extension Ce(9) of the primitive narrow-sense BCH-code C(I) with length 2097151 = 1283−1, defining interval I = [1,9], and designed minimum distance d ≥ |I|+1 = 10 [i]
- linear OA(12822, 2097152, F128, 8) (dual of [2097152, 2097130, 9]-code), using an extension Ce(7) of the primitive narrow-sense BCH-code C(I) with length 2097151 = 1283−1, defining interval I = [1,7], and designed minimum distance d ≥ |I|+1 = 8 [i]
- linear OA(1281, 7, F128, 1) (dual of [7, 6, 2]-code), using
- discarding factors / shortening the dual code based on linear OA(1281, s, F128, 1) (dual of [s, s−1, 2]-code) with arbitrarily large s, using
- construction X applied to Ce(9) ⊂ Ce(7) [i] based on
- discarding factors / shortening the dual code based on linear OA(12829, 2097159, F128, 10) (dual of [2097159, 2097130, 11]-code), using
- OOA 2-folding [i] based on linear OA(12829, 2097158, F128, 10) (dual of [2097158, 2097129, 11]-code), using
(19, 19+10, large)-Net in Base 128 — Upper bound on s
There is no (19, 29, large)-net in base 128, because
- 8 times m-reduction [i] would yield (19, 21, large)-net in base 128, but