Best Known (25, 25+6, s)-Nets in Base 8
(25, 25+6, 87383)-Net over F8 — Constructive and digital
Digital (25, 31, 87383)-net over F8, using
- net defined by OOA [i] based on linear OOA(831, 87383, F8, 6, 6) (dual of [(87383, 6), 524267, 7]-NRT-code), using
- OA 3-folding and stacking [i] based on linear OA(831, 262149, F8, 6) (dual of [262149, 262118, 7]-code), using
- discarding factors / shortening the dual code based on linear OA(831, 262150, F8, 6) (dual of [262150, 262119, 7]-code), using
- construction X applied to Ce(5) ⊂ Ce(4) [i] based on
- linear OA(831, 262144, F8, 6) (dual of [262144, 262113, 7]-code), using an extension Ce(5) of the primitive narrow-sense BCH-code C(I) with length 262143 = 86−1, defining interval I = [1,5], and designed minimum distance d ≥ |I|+1 = 6 [i]
- linear OA(825, 262144, F8, 5) (dual of [262144, 262119, 6]-code), using an extension Ce(4) of the primitive narrow-sense BCH-code C(I) with length 262143 = 86−1, defining interval I = [1,4], and designed minimum distance d ≥ |I|+1 = 5 [i]
- linear OA(80, 6, F8, 0) (dual of [6, 6, 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(831, 262150, F8, 6) (dual of [262150, 262119, 7]-code), using
- OA 3-folding and stacking [i] based on linear OA(831, 262149, F8, 6) (dual of [262149, 262118, 7]-code), using
(25, 25+6, 262150)-Net over F8 — Digital
Digital (25, 31, 262150)-net over F8, using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OA(831, 262150, F8, 6) (dual of [262150, 262119, 7]-code), using
- construction X applied to Ce(5) ⊂ Ce(4) [i] based on
- linear OA(831, 262144, F8, 6) (dual of [262144, 262113, 7]-code), using an extension Ce(5) of the primitive narrow-sense BCH-code C(I) with length 262143 = 86−1, defining interval I = [1,5], and designed minimum distance d ≥ |I|+1 = 6 [i]
- linear OA(825, 262144, F8, 5) (dual of [262144, 262119, 6]-code), using an extension Ce(4) of the primitive narrow-sense BCH-code C(I) with length 262143 = 86−1, defining interval I = [1,4], and designed minimum distance d ≥ |I|+1 = 5 [i]
- linear OA(80, 6, F8, 0) (dual of [6, 6, 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
(25, 25+6, large)-Net in Base 8 — Upper bound on s
There is no (25, 31, large)-net in base 8, because
- 4 times m-reduction [i] would yield (25, 27, large)-net in base 8, but