Best Known (45, 45+23, s)-Nets in Base 27
(45, 45+23, 1790)-Net over F27 — Constructive and digital
Digital (45, 68, 1790)-net over F27, using
- net defined by OOA [i] based on linear OOA(2768, 1790, F27, 23, 23) (dual of [(1790, 23), 41102, 24]-NRT-code), using
- OOA 11-folding and stacking with additional row [i] based on linear OA(2768, 19691, F27, 23) (dual of [19691, 19623, 24]-code), using
- construction X applied to C([0,11]) ⊂ C([0,10]) [i] based on
- linear OA(2767, 19684, F27, 23) (dual of [19684, 19617, 24]-code), using the expurgated narrow-sense BCH-code C(I) with length 19684 | 276−1, defining interval I = [0,11], and minimum distance d ≥ |{−11,−10,…,11}|+1 = 24 (BCH-bound) [i]
- linear OA(2761, 19684, F27, 21) (dual of [19684, 19623, 22]-code), using the expurgated narrow-sense BCH-code C(I) with length 19684 | 276−1, defining interval I = [0,10], and minimum distance d ≥ |{−10,−9,…,10}|+1 = 22 (BCH-bound) [i]
- linear OA(271, 7, F27, 1) (dual of [7, 6, 2]-code), using
- discarding factors / shortening the dual code based on linear OA(271, s, F27, 1) (dual of [s, s−1, 2]-code) with arbitrarily large s, using
- construction X applied to C([0,11]) ⊂ C([0,10]) [i] based on
- OOA 11-folding and stacking with additional row [i] based on linear OA(2768, 19691, F27, 23) (dual of [19691, 19623, 24]-code), using
(45, 45+23, 12300)-Net over F27 — Digital
Digital (45, 68, 12300)-net over F27, using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OA(2768, 12300, F27, 23) (dual of [12300, 12232, 24]-code), using
- discarding factors / shortening the dual code based on linear OA(2768, 19691, F27, 23) (dual of [19691, 19623, 24]-code), using
- construction X applied to C([0,11]) ⊂ C([0,10]) [i] based on
- linear OA(2767, 19684, F27, 23) (dual of [19684, 19617, 24]-code), using the expurgated narrow-sense BCH-code C(I) with length 19684 | 276−1, defining interval I = [0,11], and minimum distance d ≥ |{−11,−10,…,11}|+1 = 24 (BCH-bound) [i]
- linear OA(2761, 19684, F27, 21) (dual of [19684, 19623, 22]-code), using the expurgated narrow-sense BCH-code C(I) with length 19684 | 276−1, defining interval I = [0,10], and minimum distance d ≥ |{−10,−9,…,10}|+1 = 22 (BCH-bound) [i]
- linear OA(271, 7, F27, 1) (dual of [7, 6, 2]-code), using
- discarding factors / shortening the dual code based on linear OA(271, s, F27, 1) (dual of [s, s−1, 2]-code) with arbitrarily large s, using
- construction X applied to C([0,11]) ⊂ C([0,10]) [i] based on
- discarding factors / shortening the dual code based on linear OA(2768, 19691, F27, 23) (dual of [19691, 19623, 24]-code), using
(45, 45+23, large)-Net in Base 27 — Upper bound on s
There is no (45, 68, large)-net in base 27, because
- 21 times m-reduction [i] would yield (45, 47, large)-net in base 27, but