Best Known (15, 15+6, s)-Nets in Base 8
(15, 15+6, 1366)-Net over F8 — Constructive and digital
Digital (15, 21, 1366)-net over F8, using
- net defined by OOA [i] based on linear OOA(821, 1366, F8, 6, 6) (dual of [(1366, 6), 8175, 7]-NRT-code), using
- OA 3-folding and stacking [i] based on linear OA(821, 4098, F8, 6) (dual of [4098, 4077, 7]-code), using
- discarding factors / shortening the dual code based on linear OA(821, 4100, F8, 6) (dual of [4100, 4079, 7]-code), using
- construction X applied to Ce(5) ⊂ Ce(4) [i] based on
- linear OA(821, 4096, F8, 6) (dual of [4096, 4075, 7]-code), using an extension Ce(5) of the primitive narrow-sense BCH-code C(I) with length 4095 = 84−1, defining interval I = [1,5], and designed minimum distance d ≥ |I|+1 = 6 [i]
- linear OA(817, 4096, F8, 5) (dual of [4096, 4079, 6]-code), using an extension Ce(4) of the primitive narrow-sense BCH-code C(I) with length 4095 = 84−1, defining interval I = [1,4], and designed minimum distance d ≥ |I|+1 = 5 [i]
- linear OA(80, 4, F8, 0) (dual of [4, 4, 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(5) ⊂ Ce(4) [i] based on
- discarding factors / shortening the dual code based on linear OA(821, 4100, F8, 6) (dual of [4100, 4079, 7]-code), using
- OA 3-folding and stacking [i] based on linear OA(821, 4098, F8, 6) (dual of [4098, 4077, 7]-code), using
(15, 15+6, 4100)-Net over F8 — Digital
Digital (15, 21, 4100)-net over F8, using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OA(821, 4100, F8, 6) (dual of [4100, 4079, 7]-code), using
- construction X applied to Ce(5) ⊂ Ce(4) [i] based on
- linear OA(821, 4096, F8, 6) (dual of [4096, 4075, 7]-code), using an extension Ce(5) of the primitive narrow-sense BCH-code C(I) with length 4095 = 84−1, defining interval I = [1,5], and designed minimum distance d ≥ |I|+1 = 6 [i]
- linear OA(817, 4096, F8, 5) (dual of [4096, 4079, 6]-code), using an extension Ce(4) of the primitive narrow-sense BCH-code C(I) with length 4095 = 84−1, defining interval I = [1,4], and designed minimum distance d ≥ |I|+1 = 5 [i]
- linear OA(80, 4, F8, 0) (dual of [4, 4, 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(5) ⊂ Ce(4) [i] based on
(15, 15+6, 544395)-Net in Base 8 — Upper bound on s
There is no (15, 21, 544396)-net in base 8, because
- the generalized Rao bound for nets shows that 8m ≥ 9 223400 460056 071227 > 821 [i]