Best Known (30, 40, s)-Nets in Base 9
(30, 40, 2626)-Net over F9 — Constructive and digital
Digital (30, 40, 2626)-net over F9, using
- net defined by OOA [i] based on linear OOA(940, 2626, F9, 10, 10) (dual of [(2626, 10), 26220, 11]-NRT-code), using
- OA 5-folding and stacking [i] based on linear OA(940, 13130, F9, 10) (dual of [13130, 13090, 11]-code), using
- discarding factors / shortening the dual code based on linear OA(940, 13132, F9, 10) (dual of [13132, 13092, 11]-code), using
- trace code [i] based on linear OA(8120, 6566, F81, 10) (dual of [6566, 6546, 11]-code), using
- construction X applied to Ce(9) ⊂ Ce(7) [i] based on
- linear OA(8119, 6561, F81, 10) (dual of [6561, 6542, 11]-code), using an extension Ce(9) of the primitive narrow-sense BCH-code C(I) with length 6560 = 812−1, defining interval I = [1,9], and designed minimum distance d ≥ |I|+1 = 10 [i]
- linear OA(8115, 6561, F81, 8) (dual of [6561, 6546, 9]-code), using an extension Ce(7) of the primitive narrow-sense BCH-code C(I) with length 6560 = 812−1, defining interval I = [1,7], and designed minimum distance d ≥ |I|+1 = 8 [i]
- linear OA(811, 5, F81, 1) (dual of [5, 4, 2]-code), using
- discarding factors / shortening the dual code based on linear OA(811, s, F81, 1) (dual of [s, s−1, 2]-code) with arbitrarily large s, using
- construction X applied to Ce(9) ⊂ Ce(7) [i] based on
- trace code [i] based on linear OA(8120, 6566, F81, 10) (dual of [6566, 6546, 11]-code), using
- discarding factors / shortening the dual code based on linear OA(940, 13132, F9, 10) (dual of [13132, 13092, 11]-code), using
- OA 5-folding and stacking [i] based on linear OA(940, 13130, F9, 10) (dual of [13130, 13090, 11]-code), using
(30, 40, 13132)-Net over F9 — Digital
Digital (30, 40, 13132)-net over F9, using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OA(940, 13132, F9, 10) (dual of [13132, 13092, 11]-code), using
- trace code [i] based on linear OA(8120, 6566, F81, 10) (dual of [6566, 6546, 11]-code), using
- construction X applied to Ce(9) ⊂ Ce(7) [i] based on
- linear OA(8119, 6561, F81, 10) (dual of [6561, 6542, 11]-code), using an extension Ce(9) of the primitive narrow-sense BCH-code C(I) with length 6560 = 812−1, defining interval I = [1,9], and designed minimum distance d ≥ |I|+1 = 10 [i]
- linear OA(8115, 6561, F81, 8) (dual of [6561, 6546, 9]-code), using an extension Ce(7) of the primitive narrow-sense BCH-code C(I) with length 6560 = 812−1, defining interval I = [1,7], and designed minimum distance d ≥ |I|+1 = 8 [i]
- linear OA(811, 5, F81, 1) (dual of [5, 4, 2]-code), using
- discarding factors / shortening the dual code based on linear OA(811, s, F81, 1) (dual of [s, s−1, 2]-code) with arbitrarily large s, using
- construction X applied to Ce(9) ⊂ Ce(7) [i] based on
- trace code [i] based on linear OA(8120, 6566, F81, 10) (dual of [6566, 6546, 11]-code), using
(30, 40, large)-Net in Base 9 — Upper bound on s
There is no (30, 40, large)-net in base 9, because
- 8 times m-reduction [i] would yield (30, 32, large)-net in base 9, but