Best Known (173, 173+24, s)-Nets in Base 3
(173, 173+24, 44289)-Net over F3 — Constructive and digital
Digital (173, 197, 44289)-net over F3, using
- t-expansion [i] based on digital (172, 197, 44289)-net over F3, using
- net defined by OOA [i] based on linear OOA(3197, 44289, F3, 25, 25) (dual of [(44289, 25), 1107028, 26]-NRT-code), using
- OOA 12-folding and stacking with additional row [i] based on linear OA(3197, 531469, F3, 25) (dual of [531469, 531272, 26]-code), using
- construction X applied to Ce(24) ⊂ Ce(21) [i] based on
- linear OA(3193, 531441, F3, 25) (dual of [531441, 531248, 26]-code), using an extension Ce(24) of the primitive narrow-sense BCH-code C(I) with length 531440 = 312−1, defining interval I = [1,24], and designed minimum distance d ≥ |I|+1 = 25 [i]
- linear OA(3169, 531441, F3, 22) (dual of [531441, 531272, 23]-code), using an extension Ce(21) of the primitive narrow-sense BCH-code C(I) with length 531440 = 312−1, defining interval I = [1,21], and designed minimum distance d ≥ |I|+1 = 22 [i]
- linear OA(34, 28, F3, 2) (dual of [28, 24, 3]-code), using
- discarding factors / shortening the dual code based on linear OA(34, 40, F3, 2) (dual of [40, 36, 3]-code), using
- Hamming code H(4,3) [i]
- discarding factors / shortening the dual code based on linear OA(34, 40, F3, 2) (dual of [40, 36, 3]-code), using
- construction X applied to Ce(24) ⊂ Ce(21) [i] based on
- OOA 12-folding and stacking with additional row [i] based on linear OA(3197, 531469, F3, 25) (dual of [531469, 531272, 26]-code), using
- net defined by OOA [i] based on linear OOA(3197, 44289, F3, 25, 25) (dual of [(44289, 25), 1107028, 26]-NRT-code), using
(173, 173+24, 176322)-Net over F3 — Digital
Digital (173, 197, 176322)-net over F3, using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OOA(3197, 176322, F3, 3, 24) (dual of [(176322, 3), 528769, 25]-NRT-code), using
- discarding factors / shortening the dual code based on linear OOA(3197, 177156, F3, 3, 24) (dual of [(177156, 3), 531271, 25]-NRT-code), using
- strength reduction [i] based on linear OOA(3197, 177156, F3, 3, 25) (dual of [(177156, 3), 531271, 26]-NRT-code), using
- OOA 3-folding [i] based on linear OA(3197, 531468, F3, 25) (dual of [531468, 531271, 26]-code), using
- discarding factors / shortening the dual code based on linear OA(3197, 531469, F3, 25) (dual of [531469, 531272, 26]-code), using
- construction X applied to Ce(24) ⊂ Ce(21) [i] based on
- linear OA(3193, 531441, F3, 25) (dual of [531441, 531248, 26]-code), using an extension Ce(24) of the primitive narrow-sense BCH-code C(I) with length 531440 = 312−1, defining interval I = [1,24], and designed minimum distance d ≥ |I|+1 = 25 [i]
- linear OA(3169, 531441, F3, 22) (dual of [531441, 531272, 23]-code), using an extension Ce(21) of the primitive narrow-sense BCH-code C(I) with length 531440 = 312−1, defining interval I = [1,21], and designed minimum distance d ≥ |I|+1 = 22 [i]
- linear OA(34, 28, F3, 2) (dual of [28, 24, 3]-code), using
- discarding factors / shortening the dual code based on linear OA(34, 40, F3, 2) (dual of [40, 36, 3]-code), using
- Hamming code H(4,3) [i]
- discarding factors / shortening the dual code based on linear OA(34, 40, F3, 2) (dual of [40, 36, 3]-code), using
- construction X applied to Ce(24) ⊂ Ce(21) [i] based on
- discarding factors / shortening the dual code based on linear OA(3197, 531469, F3, 25) (dual of [531469, 531272, 26]-code), using
- OOA 3-folding [i] based on linear OA(3197, 531468, F3, 25) (dual of [531468, 531271, 26]-code), using
- strength reduction [i] based on linear OOA(3197, 177156, F3, 3, 25) (dual of [(177156, 3), 531271, 26]-NRT-code), using
- discarding factors / shortening the dual code based on linear OOA(3197, 177156, F3, 3, 24) (dual of [(177156, 3), 531271, 25]-NRT-code), using
(173, 173+24, large)-Net in Base 3 — Upper bound on s
There is no (173, 197, large)-net in base 3, because
- 22 times m-reduction [i] would yield (173, 175, large)-net in base 3, but