Best Known (197, 214, s)-Nets in Base 3
(197, 214, 1195745)-Net over F3 — Constructive and digital
Digital (197, 214, 1195745)-net over F3, using
- net defined by OOA [i] based on linear OOA(3214, 1195745, F3, 18, 17) (dual of [(1195745, 18), 21523196, 18]-NRT-code), using
- OOA 4-folding and stacking with additional row [i] based on linear OOA(3214, 4782981, F3, 2, 17) (dual of [(4782981, 2), 9565748, 18]-NRT-code), using
- discarding factors / shortening the dual code based on linear OOA(3214, 4782984, F3, 2, 17) (dual of [(4782984, 2), 9565754, 18]-NRT-code), using
- trace code [i] based on linear OOA(9107, 2391492, F9, 2, 17) (dual of [(2391492, 2), 4782877, 18]-NRT-code), using
- OOA 2-folding [i] based on linear OA(9107, 4782984, F9, 17) (dual of [4782984, 4782877, 18]-code), using
- construction X applied to Ce(16) ⊂ Ce(14) [i] based on
- linear OA(9106, 4782969, F9, 17) (dual of [4782969, 4782863, 18]-code), using an extension Ce(16) of the primitive narrow-sense BCH-code C(I) with length 4782968 = 97−1, defining interval I = [1,16], and designed minimum distance d ≥ |I|+1 = 17 [i]
- linear OA(992, 4782969, F9, 15) (dual of [4782969, 4782877, 16]-code), using an extension Ce(14) of the primitive narrow-sense BCH-code C(I) with length 4782968 = 97−1, defining interval I = [1,14], and designed minimum distance d ≥ |I|+1 = 15 [i]
- linear OA(91, 15, F9, 1) (dual of [15, 14, 2]-code), using
- discarding factors / shortening the dual code based on linear OA(91, s, F9, 1) (dual of [s, s−1, 2]-code) with arbitrarily large s, using
- construction X applied to Ce(16) ⊂ Ce(14) [i] based on
- OOA 2-folding [i] based on linear OA(9107, 4782984, F9, 17) (dual of [4782984, 4782877, 18]-code), using
- trace code [i] based on linear OOA(9107, 2391492, F9, 2, 17) (dual of [(2391492, 2), 4782877, 18]-NRT-code), using
- discarding factors / shortening the dual code based on linear OOA(3214, 4782984, F3, 2, 17) (dual of [(4782984, 2), 9565754, 18]-NRT-code), using
- OOA 4-folding and stacking with additional row [i] based on linear OOA(3214, 4782981, F3, 2, 17) (dual of [(4782981, 2), 9565748, 18]-NRT-code), using
(197, 214, large)-Net over F3 — Digital
Digital (197, 214, large)-net over F3, using
- 311 times duplication [i] based on digital (186, 203, large)-net over F3, using
- embedding of OOA with Gilbert–VarÅ¡amov bound [i] based on linear OA(3203, large, F3, 17) (dual of [large, large−203, 18]-code), using
- 37 times code embedding in larger space [i] based on linear OA(3166, large, F3, 17) (dual of [large, large−166, 18]-code), using
- the primitive expurgated narrow-sense BCH-code C(I) with length 14348906 = 315−1, defining interval I = [0,16], and designed minimum distance d ≥ |I|+1 = 18 [i]
- 37 times code embedding in larger space [i] based on linear OA(3166, large, F3, 17) (dual of [large, large−166, 18]-code), using
- embedding of OOA with Gilbert–VarÅ¡amov bound [i] based on linear OA(3203, large, F3, 17) (dual of [large, large−203, 18]-code), using
(197, 214, large)-Net in Base 3 — Upper bound on s
There is no (197, 214, large)-net in base 3, because
- 15 times m-reduction [i] would yield (197, 199, large)-net in base 3, but