Best Known (16, 21, s)-Nets in Base 8
(16, 21, 16386)-Net over F8 — Constructive and digital
Digital (16, 21, 16386)-net over F8, using
- net defined by OOA [i] based on linear OOA(821, 16386, F8, 5, 5) (dual of [(16386, 5), 81909, 6]-NRT-code), using
- OOA 2-folding and stacking with additional row [i] based on linear OA(821, 32773, F8, 5) (dual of [32773, 32752, 6]-code), using
- construction X applied to Ce(4) ⊂ Ce(3) [i] based on
- linear OA(821, 32768, F8, 5) (dual of [32768, 32747, 6]-code), using an extension Ce(4) of the primitive narrow-sense BCH-code C(I) with length 32767 = 85−1, defining interval I = [1,4], and designed minimum distance d ≥ |I|+1 = 5 [i]
- linear OA(816, 32768, F8, 4) (dual of [32768, 32752, 5]-code), using an extension Ce(3) of the primitive narrow-sense BCH-code C(I) with length 32767 = 85−1, defining interval I = [1,3], and designed minimum distance d ≥ |I|+1 = 4 [i]
- linear OA(80, 5, F8, 0) (dual of [5, 5, 1]-code), using
- discarding factors / shortening the dual code based on linear OA(80, s, F8, 0) (dual of [s, s, 1]-code) with arbitrarily large s, using
- construction X applied to Ce(4) ⊂ Ce(3) [i] based on
- OOA 2-folding and stacking with additional row [i] based on linear OA(821, 32773, F8, 5) (dual of [32773, 32752, 6]-code), using
(16, 21, 32773)-Net over F8 — Digital
Digital (16, 21, 32773)-net over F8, using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OA(821, 32773, F8, 5) (dual of [32773, 32752, 6]-code), using
- construction X applied to Ce(4) ⊂ Ce(3) [i] based on
- linear OA(821, 32768, F8, 5) (dual of [32768, 32747, 6]-code), using an extension Ce(4) of the primitive narrow-sense BCH-code C(I) with length 32767 = 85−1, defining interval I = [1,4], and designed minimum distance d ≥ |I|+1 = 5 [i]
- linear OA(816, 32768, F8, 4) (dual of [32768, 32752, 5]-code), using an extension Ce(3) of the primitive narrow-sense BCH-code C(I) with length 32767 = 85−1, defining interval I = [1,3], and designed minimum distance d ≥ |I|+1 = 4 [i]
- linear OA(80, 5, F8, 0) (dual of [5, 5, 1]-code), using
- discarding factors / shortening the dual code based on linear OA(80, s, F8, 0) (dual of [s, s, 1]-code) with arbitrarily large s, using
- construction X applied to Ce(4) ⊂ Ce(3) [i] based on
(16, 21, 65289)-Net in Base 8 — Constructive
(16, 21, 65289)-net in base 8, using
- net defined by OOA [i] based on OOA(821, 65289, S8, 6, 5), using
- OOA stacking with additional row [i] based on OOA(821, 65290, S8, 2, 5), using
- (u, u+v)-construction [i] based on
- linear OOA(82, 9, F8, 2, 2) (dual of [(9, 2), 16, 3]-NRT-code), using
- extended Reed–Solomon NRT-code RSe(2;16,8) [i]
- OOA(819, 65281, S8, 2, 5), using
- OOA 2-folding [i] based on OA(819, 130562, S8, 5), using
- discarding parts of the base [i] based on linear OA(1614, 130562, F16, 5) (dual of [130562, 130548, 6]-code), using
- trace code [i] based on linear OA(2567, 65281, F256, 5) (dual of [65281, 65274, 6]-code), using
- discarding parts of the base [i] based on linear OA(1614, 130562, F16, 5) (dual of [130562, 130548, 6]-code), using
- OOA 2-folding [i] based on OA(819, 130562, S8, 5), using
- linear OOA(82, 9, F8, 2, 2) (dual of [(9, 2), 16, 3]-NRT-code), using
- (u, u+v)-construction [i] based on
- OOA stacking with additional row [i] based on OOA(821, 65290, S8, 2, 5), using
(16, 21, large)-Net in Base 8 — Upper bound on s
There is no (16, 21, large)-net in base 8, because
- 3 times m-reduction [i] would yield (16, 18, large)-net in base 8, but