Best Known (122−27, 122, s)-Nets in Base 9
(122−27, 122, 4543)-Net over F9 — Constructive and digital
Digital (95, 122, 4543)-net over F9, using
- net defined by OOA [i] based on linear OOA(9122, 4543, F9, 27, 27) (dual of [(4543, 27), 122539, 28]-NRT-code), using
- OOA 13-folding and stacking with additional row [i] based on linear OA(9122, 59060, F9, 27) (dual of [59060, 58938, 28]-code), using
- discarding factors / shortening the dual code based on linear OA(9122, 59061, F9, 27) (dual of [59061, 58939, 28]-code), using
- construction X applied to C([0,13]) ⊂ C([0,12]) [i] based on
- linear OA(9121, 59050, F9, 27) (dual of [59050, 58929, 28]-code), using the expurgated narrow-sense BCH-code C(I) with length 59050 | 910−1, defining interval I = [0,13], and minimum distance d ≥ |{−13,−12,…,13}|+1 = 28 (BCH-bound) [i]
- linear OA(9111, 59050, F9, 25) (dual of [59050, 58939, 26]-code), using the expurgated narrow-sense BCH-code C(I) with length 59050 | 910−1, defining interval I = [0,12], and minimum distance d ≥ |{−12,−11,…,12}|+1 = 26 (BCH-bound) [i]
- linear OA(91, 11, F9, 1) (dual of [11, 10, 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 C([0,13]) ⊂ C([0,12]) [i] based on
- discarding factors / shortening the dual code based on linear OA(9122, 59061, F9, 27) (dual of [59061, 58939, 28]-code), using
- OOA 13-folding and stacking with additional row [i] based on linear OA(9122, 59060, F9, 27) (dual of [59060, 58938, 28]-code), using
(122−27, 122, 52838)-Net over F9 — Digital
Digital (95, 122, 52838)-net over F9, using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OA(9122, 52838, F9, 27) (dual of [52838, 52716, 28]-code), using
- discarding factors / shortening the dual code based on linear OA(9122, 59061, F9, 27) (dual of [59061, 58939, 28]-code), using
- construction X applied to C([0,13]) ⊂ C([0,12]) [i] based on
- linear OA(9121, 59050, F9, 27) (dual of [59050, 58929, 28]-code), using the expurgated narrow-sense BCH-code C(I) with length 59050 | 910−1, defining interval I = [0,13], and minimum distance d ≥ |{−13,−12,…,13}|+1 = 28 (BCH-bound) [i]
- linear OA(9111, 59050, F9, 25) (dual of [59050, 58939, 26]-code), using the expurgated narrow-sense BCH-code C(I) with length 59050 | 910−1, defining interval I = [0,12], and minimum distance d ≥ |{−12,−11,…,12}|+1 = 26 (BCH-bound) [i]
- linear OA(91, 11, F9, 1) (dual of [11, 10, 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 C([0,13]) ⊂ C([0,12]) [i] based on
- discarding factors / shortening the dual code based on linear OA(9122, 59061, F9, 27) (dual of [59061, 58939, 28]-code), using
(122−27, 122, large)-Net in Base 9 — Upper bound on s
There is no (95, 122, large)-net in base 9, because
- 25 times m-reduction [i] would yield (95, 97, large)-net in base 9, but