Best Known (103−20, 103, s)-Nets in Base 8
(103−20, 103, 26215)-Net over F8 — Constructive and digital
Digital (83, 103, 26215)-net over F8, using
- net defined by OOA [i] based on linear OOA(8103, 26215, F8, 20, 20) (dual of [(26215, 20), 524197, 21]-NRT-code), using
- OA 10-folding and stacking [i] based on linear OA(8103, 262150, F8, 20) (dual of [262150, 262047, 21]-code), using
- construction X applied to Ce(19) ⊂ Ce(18) [i] based on
- linear OA(8103, 262144, F8, 20) (dual of [262144, 262041, 21]-code), using an extension Ce(19) of the primitive narrow-sense BCH-code C(I) with length 262143 = 86−1, defining interval I = [1,19], and designed minimum distance d ≥ |I|+1 = 20 [i]
- linear OA(897, 262144, F8, 19) (dual of [262144, 262047, 20]-code), using an extension Ce(18) of the primitive narrow-sense BCH-code C(I) with length 262143 = 86−1, defining interval I = [1,18], and designed minimum distance d ≥ |I|+1 = 19 [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(19) ⊂ Ce(18) [i] based on
- OA 10-folding and stacking [i] based on linear OA(8103, 262150, F8, 20) (dual of [262150, 262047, 21]-code), using
(103−20, 103, 141420)-Net over F8 — Digital
Digital (83, 103, 141420)-net over F8, using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OA(8103, 141420, F8, 20) (dual of [141420, 141317, 21]-code), using
- discarding factors / shortening the dual code based on linear OA(8103, 262144, F8, 20) (dual of [262144, 262041, 21]-code), using
- an extension Ce(19) of the primitive narrow-sense BCH-code C(I) with length 262143 = 86−1, defining interval I = [1,19], and designed minimum distance d ≥ |I|+1 = 20 [i]
- discarding factors / shortening the dual code based on linear OA(8103, 262144, F8, 20) (dual of [262144, 262041, 21]-code), using
(103−20, 103, large)-Net in Base 8 — Upper bound on s
There is no (83, 103, large)-net in base 8, because
- 18 times m-reduction [i] would yield (83, 85, large)-net in base 8, but