Best Known (29, 29+29, s)-Nets in Base 256
(29, 29+29, 4681)-Net over F256 — Constructive and digital
Digital (29, 58, 4681)-net over F256, using
- 2561 times duplication [i] based on digital (28, 57, 4681)-net over F256, using
- net defined by OOA [i] based on linear OOA(25657, 4681, F256, 29, 29) (dual of [(4681, 29), 135692, 30]-NRT-code), using
- OOA 14-folding and stacking with additional row [i] based on linear OA(25657, 65535, F256, 29) (dual of [65535, 65478, 30]-code), using
- discarding factors / shortening the dual code based on linear OA(25657, 65536, F256, 29) (dual of [65536, 65479, 30]-code), using
- an extension Ce(28) of the primitive narrow-sense BCH-code C(I) with length 65535 = 2562−1, defining interval I = [1,28], and designed minimum distance d ≥ |I|+1 = 29 [i]
- discarding factors / shortening the dual code based on linear OA(25657, 65536, F256, 29) (dual of [65536, 65479, 30]-code), using
- OOA 14-folding and stacking with additional row [i] based on linear OA(25657, 65535, F256, 29) (dual of [65535, 65478, 30]-code), using
- net defined by OOA [i] based on linear OOA(25657, 4681, F256, 29, 29) (dual of [(4681, 29), 135692, 30]-NRT-code), using
(29, 29+29, 13091)-Net over F256 — Digital
Digital (29, 58, 13091)-net over F256, using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OOA(25658, 13091, F256, 5, 29) (dual of [(13091, 5), 65397, 30]-NRT-code), using
- discarding factors / shortening the dual code based on linear OOA(25658, 13108, F256, 5, 29) (dual of [(13108, 5), 65482, 30]-NRT-code), using
- OOA 5-folding [i] based on linear OA(25658, 65540, F256, 29) (dual of [65540, 65482, 30]-code), using
- discarding factors / shortening the dual code based on linear OA(25658, 65542, F256, 29) (dual of [65542, 65484, 30]-code), using
- construction X applied to C([0,14]) ⊂ C([0,13]) [i] based on
- linear OA(25657, 65537, F256, 29) (dual of [65537, 65480, 30]-code), using the expurgated narrow-sense BCH-code C(I) with length 65537 | 2564−1, defining interval I = [0,14], and minimum distance d ≥ |{−14,−13,…,14}|+1 = 30 (BCH-bound) [i]
- linear OA(25653, 65537, F256, 27) (dual of [65537, 65484, 28]-code), using the expurgated narrow-sense BCH-code C(I) with length 65537 | 2564−1, defining interval I = [0,13], and minimum distance d ≥ |{−13,−12,…,13}|+1 = 28 (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([0,14]) ⊂ C([0,13]) [i] based on
- discarding factors / shortening the dual code based on linear OA(25658, 65542, F256, 29) (dual of [65542, 65484, 30]-code), using
- OOA 5-folding [i] based on linear OA(25658, 65540, F256, 29) (dual of [65540, 65482, 30]-code), using
- discarding factors / shortening the dual code based on linear OOA(25658, 13108, F256, 5, 29) (dual of [(13108, 5), 65482, 30]-NRT-code), using
(29, 29+29, large)-Net in Base 256 — Upper bound on s
There is no (29, 58, large)-net in base 256, because
- 27 times m-reduction [i] would yield (29, 31, large)-net in base 256, but