Best Known (17, 17+17, s)-Nets in Base 256
(17, 17+17, 8192)-Net over F256 — Constructive and digital
Digital (17, 34, 8192)-net over F256, using
- 2561 times duplication [i] based on digital (16, 33, 8192)-net over F256, using
- net defined by OOA [i] based on linear OOA(25633, 8192, F256, 17, 17) (dual of [(8192, 17), 139231, 18]-NRT-code), using
- OOA 8-folding and stacking with additional row [i] based on linear OA(25633, 65537, F256, 17) (dual of [65537, 65504, 18]-code), using
- the expurgated narrow-sense BCH-code C(I) with length 65537 | 2564−1, defining interval I = [0,8], and minimum distance d ≥ |{−8,−7,…,8}|+1 = 18 (BCH-bound) [i]
- OOA 8-folding and stacking with additional row [i] based on linear OA(25633, 65537, F256, 17) (dual of [65537, 65504, 18]-code), using
- net defined by OOA [i] based on linear OOA(25633, 8192, F256, 17, 17) (dual of [(8192, 17), 139231, 18]-NRT-code), using
(17, 17+17, 16385)-Net over F256 — Digital
Digital (17, 34, 16385)-net over F256, using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OOA(25634, 16385, F256, 4, 17) (dual of [(16385, 4), 65506, 18]-NRT-code), using
- OOA 4-folding [i] based on linear OA(25634, 65540, F256, 17) (dual of [65540, 65506, 18]-code), using
- discarding factors / shortening the dual code based on linear OA(25634, 65542, F256, 17) (dual of [65542, 65508, 18]-code), using
- construction X applied to C([0,8]) ⊂ C([0,7]) [i] based on
- linear OA(25633, 65537, F256, 17) (dual of [65537, 65504, 18]-code), using the expurgated narrow-sense BCH-code C(I) with length 65537 | 2564−1, defining interval I = [0,8], and minimum distance d ≥ |{−8,−7,…,8}|+1 = 18 (BCH-bound) [i]
- linear OA(25629, 65537, F256, 15) (dual of [65537, 65508, 16]-code), using the expurgated narrow-sense BCH-code C(I) with length 65537 | 2564−1, defining interval I = [0,7], and minimum distance d ≥ |{−7,−6,…,7}|+1 = 16 (BCH-bound) [i]
- linear OA(2561, 5, F256, 1) (dual of [5, 4, 2]-code), using
- discarding factors / shortening the dual code based on linear OA(2561, s, F256, 1) (dual of [s, s−1, 2]-code) with arbitrarily large s, using
- construction X applied to C([0,8]) ⊂ C([0,7]) [i] based on
- discarding factors / shortening the dual code based on linear OA(25634, 65542, F256, 17) (dual of [65542, 65508, 18]-code), using
- OOA 4-folding [i] based on linear OA(25634, 65540, F256, 17) (dual of [65540, 65506, 18]-code), using
(17, 17+17, large)-Net in Base 256 — Upper bound on s
There is no (17, 34, large)-net in base 256, because
- 15 times m-reduction [i] would yield (17, 19, large)-net in base 256, but