Best Known (171, 192, s)-Nets in Base 3
(171, 192, 159438)-Net over F3 — Constructive and digital
Digital (171, 192, 159438)-net over F3, using
- net defined by OOA [i] based on linear OOA(3192, 159438, F3, 21, 21) (dual of [(159438, 21), 3348006, 22]-NRT-code), using
- OOA 10-folding and stacking with additional row [i] based on linear OA(3192, 1594381, F3, 21) (dual of [1594381, 1594189, 22]-code), using
- discarding factors / shortening the dual code based on linear OA(3192, 1594384, F3, 21) (dual of [1594384, 1594192, 22]-code), using
- construction X applied to Ce(21) ⊂ Ce(15) [i] based on
- linear OA(3183, 1594323, F3, 22) (dual of [1594323, 1594140, 23]-code), using an extension Ce(21) of the primitive narrow-sense BCH-code C(I) with length 1594322 = 313−1, defining interval I = [1,21], and designed minimum distance d ≥ |I|+1 = 22 [i]
- linear OA(3131, 1594323, F3, 16) (dual of [1594323, 1594192, 17]-code), using an extension Ce(15) of the primitive narrow-sense BCH-code C(I) with length 1594322 = 313−1, defining interval I = [1,15], and designed minimum distance d ≥ |I|+1 = 16 [i]
- linear OA(39, 61, F3, 4) (dual of [61, 52, 5]-code), using
- discarding factors / shortening the dual code based on linear OA(39, 80, F3, 4) (dual of [80, 71, 5]-code), using
- the primitive expurgated narrow-sense BCH-code C(I) with length 80 = 34−1, defining interval I = [0,2], and designed minimum distance d ≥ |I|+1 = 5 [i]
- discarding factors / shortening the dual code based on linear OA(39, 80, F3, 4) (dual of [80, 71, 5]-code), using
- construction X applied to Ce(21) ⊂ Ce(15) [i] based on
- discarding factors / shortening the dual code based on linear OA(3192, 1594384, F3, 21) (dual of [1594384, 1594192, 22]-code), using
- OOA 10-folding and stacking with additional row [i] based on linear OA(3192, 1594381, F3, 21) (dual of [1594381, 1594189, 22]-code), using
(171, 192, 531461)-Net over F3 — Digital
Digital (171, 192, 531461)-net over F3, using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OOA(3192, 531461, F3, 3, 21) (dual of [(531461, 3), 1594191, 22]-NRT-code), using
- OOA 3-folding [i] based on linear OA(3192, 1594383, F3, 21) (dual of [1594383, 1594191, 22]-code), using
- discarding factors / shortening the dual code based on linear OA(3192, 1594384, F3, 21) (dual of [1594384, 1594192, 22]-code), using
- construction X applied to Ce(21) ⊂ Ce(15) [i] based on
- linear OA(3183, 1594323, F3, 22) (dual of [1594323, 1594140, 23]-code), using an extension Ce(21) of the primitive narrow-sense BCH-code C(I) with length 1594322 = 313−1, defining interval I = [1,21], and designed minimum distance d ≥ |I|+1 = 22 [i]
- linear OA(3131, 1594323, F3, 16) (dual of [1594323, 1594192, 17]-code), using an extension Ce(15) of the primitive narrow-sense BCH-code C(I) with length 1594322 = 313−1, defining interval I = [1,15], and designed minimum distance d ≥ |I|+1 = 16 [i]
- linear OA(39, 61, F3, 4) (dual of [61, 52, 5]-code), using
- discarding factors / shortening the dual code based on linear OA(39, 80, F3, 4) (dual of [80, 71, 5]-code), using
- the primitive expurgated narrow-sense BCH-code C(I) with length 80 = 34−1, defining interval I = [0,2], and designed minimum distance d ≥ |I|+1 = 5 [i]
- discarding factors / shortening the dual code based on linear OA(39, 80, F3, 4) (dual of [80, 71, 5]-code), using
- construction X applied to Ce(21) ⊂ Ce(15) [i] based on
- discarding factors / shortening the dual code based on linear OA(3192, 1594384, F3, 21) (dual of [1594384, 1594192, 22]-code), using
- OOA 3-folding [i] based on linear OA(3192, 1594383, F3, 21) (dual of [1594383, 1594191, 22]-code), using
(171, 192, large)-Net in Base 3 — Upper bound on s
There is no (171, 192, large)-net in base 3, because
- 19 times m-reduction [i] would yield (171, 173, large)-net in base 3, but