Best Known (40, 40+15, s)-Nets in Base 256
(40, 40+15, 1199142)-Net over F256 — Constructive and digital
Digital (40, 55, 1199142)-net over F256, using
- (u, u+v)-construction [i] based on
- digital (5, 12, 771)-net over F256, using
- net defined by OOA [i] based on linear OOA(25612, 771, F256, 7, 7) (dual of [(771, 7), 5385, 8]-NRT-code), using
- appending kth column [i] based on linear OOA(25612, 771, F256, 6, 7) (dual of [(771, 6), 4614, 8]-NRT-code), using
- generalized (u, u+v)-construction [i] based on
- linear OOA(2562, 257, F256, 6, 2) (dual of [(257, 6), 1540, 3]-NRT-code), using
- extended Reed–Solomon NRT-code RSe(6;1540,256) [i]
- linear OOA(2563, 257, F256, 6, 3) (dual of [(257, 6), 1539, 4]-NRT-code), using
- extended Reed–Solomon NRT-code RSe(6;1539,256) [i]
- linear OOA(2567, 257, F256, 6, 7) (dual of [(257, 6), 1535, 8]-NRT-code), using
- extended Reed–Solomon NRT-code RSe(6;1535,256) [i]
- linear OOA(2562, 257, F256, 6, 2) (dual of [(257, 6), 1540, 3]-NRT-code), using
- generalized (u, u+v)-construction [i] based on
- appending kth column [i] based on linear OOA(25612, 771, F256, 6, 7) (dual of [(771, 6), 4614, 8]-NRT-code), using
- net defined by OOA [i] based on linear OOA(25612, 771, F256, 7, 7) (dual of [(771, 7), 5385, 8]-NRT-code), using
- digital (28, 43, 1198371)-net over F256, using
- net defined by OOA [i] based on linear OOA(25643, 1198371, F256, 15, 15) (dual of [(1198371, 15), 17975522, 16]-NRT-code), using
- OOA 7-folding and stacking with additional row [i] based on linear OA(25643, 8388598, F256, 15) (dual of [8388598, 8388555, 16]-code), using
- discarding factors / shortening the dual code based on linear OA(25643, large, F256, 15) (dual of [large, large−43, 16]-code), using
- the primitive expurgated narrow-sense BCH-code C(I) with length 16777215 = 2563−1, defining interval I = [0,14], and designed minimum distance d ≥ |I|+1 = 16 [i]
- discarding factors / shortening the dual code based on linear OA(25643, large, F256, 15) (dual of [large, large−43, 16]-code), using
- OOA 7-folding and stacking with additional row [i] based on linear OA(25643, 8388598, F256, 15) (dual of [8388598, 8388555, 16]-code), using
- net defined by OOA [i] based on linear OOA(25643, 1198371, F256, 15, 15) (dual of [(1198371, 15), 17975522, 16]-NRT-code), using
- digital (5, 12, 771)-net over F256, using
(40, 40+15, large)-Net over F256 — Digital
Digital (40, 55, large)-net over F256, using
- 3 times m-reduction [i] based on digital (40, 58, large)-net over F256, using
- embedding of OOA with Gilbert–VarÅ¡amov bound [i] based on linear OA(25658, large, F256, 18) (dual of [large, large−58, 19]-code), using
- strength reduction [i] based on linear OA(25658, large, F256, 20) (dual of [large, large−58, 21]-code), using
- the primitive expurgated narrow-sense BCH-code C(I) with length 16777215 = 2563−1, defining interval I = [0,19], and designed minimum distance d ≥ |I|+1 = 21 [i]
- strength reduction [i] based on linear OA(25658, large, F256, 20) (dual of [large, large−58, 21]-code), using
- embedding of OOA with Gilbert–VarÅ¡amov bound [i] based on linear OA(25658, large, F256, 18) (dual of [large, large−58, 19]-code), using
(40, 40+15, large)-Net in Base 256 — Upper bound on s
There is no (40, 55, large)-net in base 256, because
- 13 times m-reduction [i] would yield (40, 42, large)-net in base 256, but