Best Known (172, 189, s)-Nets in Base 3
(172, 189, 1048631)-Net over F3 — Constructive and digital
Digital (172, 189, 1048631)-net over F3, using
- 31 times duplication [i] based on digital (171, 188, 1048631)-net over F3, using
- (u, u+v)-construction [i] based on
- digital (14, 22, 56)-net over F3, using
- trace code for nets [i] based on digital (3, 11, 28)-net over F9, using
- net from sequence [i] based on digital (3, 27)-sequence over F9, using
- Niederreiter–Xing sequence construction II/III [i] based on function field F/F9 with g(F) = 3 and N(F) ≥ 28, using
- the Hermitian function field over F9 [i]
- Niederreiter–Xing sequence construction II/III [i] based on function field F/F9 with g(F) = 3 and N(F) ≥ 28, using
- net from sequence [i] based on digital (3, 27)-sequence over F9, using
- trace code for nets [i] based on digital (3, 11, 28)-net over F9, using
- digital (149, 166, 1048575)-net over F3, using
- net defined by OOA [i] based on linear OOA(3166, 1048575, F3, 17, 17) (dual of [(1048575, 17), 17825609, 18]-NRT-code), using
- OOA 8-folding and stacking with additional row [i] based on linear OA(3166, 8388601, F3, 17) (dual of [8388601, 8388435, 18]-code), using
- discarding factors / shortening the dual code 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]
- discarding factors / shortening the dual code based on linear OA(3166, large, F3, 17) (dual of [large, large−166, 18]-code), using
- OOA 8-folding and stacking with additional row [i] based on linear OA(3166, 8388601, F3, 17) (dual of [8388601, 8388435, 18]-code), using
- net defined by OOA [i] based on linear OOA(3166, 1048575, F3, 17, 17) (dual of [(1048575, 17), 17825609, 18]-NRT-code), using
- digital (14, 22, 56)-net over F3, using
- (u, u+v)-construction [i] based on
(172, 189, 4194381)-Net over F3 — Digital
Digital (172, 189, 4194381)-net over F3, using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OOA(3189, 4194381, F3, 2, 17) (dual of [(4194381, 2), 8388573, 18]-NRT-code), using
- (u, u+v)-construction [i] based on
- linear OOA(323, 80, F3, 2, 8) (dual of [(80, 2), 137, 9]-NRT-code), using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OA(323, 80, F3, 8) (dual of [80, 57, 9]-code), using
- discarding factors / shortening the dual code based on linear OA(323, 88, F3, 8) (dual of [88, 65, 9]-code), using
- construction XX applied to Ce(7) ⊂ Ce(6) ⊂ Ce(4) [i] based on
- linear OA(321, 81, F3, 8) (dual of [81, 60, 9]-code), using an extension Ce(7) of the primitive narrow-sense BCH-code C(I) with length 80 = 34−1, defining interval I = [1,7], and designed minimum distance d ≥ |I|+1 = 8 [i]
- linear OA(317, 81, F3, 7) (dual of [81, 64, 8]-code), using an extension Ce(6) of the primitive narrow-sense BCH-code C(I) with length 80 = 34−1, defining interval I = [1,6], and designed minimum distance d ≥ |I|+1 = 7 [i]
- linear OA(313, 81, F3, 5) (dual of [81, 68, 6]-code), using an extension Ce(4) of the primitive narrow-sense BCH-code C(I) with length 80 = 34−1, defining interval I = [1,4], and designed minimum distance d ≥ |I|+1 = 5 [i]
- linear OA(30, 5, F3, 0) (dual of [5, 5, 1]-code), using
- discarding factors / shortening the dual code based on linear OA(30, s, F3, 0) (dual of [s, s, 1]-code) with arbitrarily large s, using
- linear OA(31, 2, F3, 1) (dual of [2, 1, 2]-code), using
- dual of repetition code with length 2 [i]
- construction XX applied to Ce(7) ⊂ Ce(6) ⊂ Ce(4) [i] based on
- discarding factors / shortening the dual code based on linear OA(323, 88, F3, 8) (dual of [88, 65, 9]-code), using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OA(323, 80, F3, 8) (dual of [80, 57, 9]-code), using
- linear OOA(3166, 4194301, F3, 2, 17) (dual of [(4194301, 2), 8388436, 18]-NRT-code), using
- OOA 2-folding [i] based on linear OA(3166, 8388602, F3, 17) (dual of [8388602, 8388436, 18]-code), using
- discarding factors / shortening the dual code 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]
- discarding factors / shortening the dual code based on linear OA(3166, large, F3, 17) (dual of [large, large−166, 18]-code), using
- OOA 2-folding [i] based on linear OA(3166, 8388602, F3, 17) (dual of [8388602, 8388436, 18]-code), using
- linear OOA(323, 80, F3, 2, 8) (dual of [(80, 2), 137, 9]-NRT-code), using
- (u, u+v)-construction [i] based on
(172, 189, large)-Net in Base 3 — Upper bound on s
There is no (172, 189, large)-net in base 3, because
- 15 times m-reduction [i] would yield (172, 174, large)-net in base 3, but