Best Known (111−20, 111, s)-Nets in Base 9
(111−20, 111, 53147)-Net over F9 — Constructive and digital
Digital (91, 111, 53147)-net over F9, using
- 92 times duplication [i] based on digital (89, 109, 53147)-net over F9, using
- net defined by OOA [i] based on linear OOA(9109, 53147, F9, 20, 20) (dual of [(53147, 20), 1062831, 21]-NRT-code), using
- OA 10-folding and stacking [i] based on linear OA(9109, 531470, F9, 20) (dual of [531470, 531361, 21]-code), using
- discarding factors / shortening the dual code based on linear OA(9109, 531471, F9, 20) (dual of [531471, 531362, 21]-code), using
- construction X applied to Ce(19) ⊂ Ce(14) [i] based on
- linear OA(9103, 531441, F9, 20) (dual of [531441, 531338, 21]-code), using an extension Ce(19) of the primitive narrow-sense BCH-code C(I) with length 531440 = 96−1, defining interval I = [1,19], and designed minimum distance d ≥ |I|+1 = 20 [i]
- linear OA(979, 531441, F9, 15) (dual of [531441, 531362, 16]-code), using an extension Ce(14) of the primitive narrow-sense BCH-code C(I) with length 531440 = 96−1, defining interval I = [1,14], and designed minimum distance d ≥ |I|+1 = 15 [i]
- linear OA(96, 30, F9, 4) (dual of [30, 24, 5]-code), using
- discarding factors / shortening the dual code based on linear OA(96, 72, F9, 4) (dual of [72, 66, 5]-code), using
- 1 times truncation [i] based on linear OA(97, 73, F9, 5) (dual of [73, 66, 6]-code), using
- discarding factors / shortening the dual code based on linear OA(96, 72, F9, 4) (dual of [72, 66, 5]-code), using
- construction X applied to Ce(19) ⊂ Ce(14) [i] based on
- discarding factors / shortening the dual code based on linear OA(9109, 531471, F9, 20) (dual of [531471, 531362, 21]-code), using
- OA 10-folding and stacking [i] based on linear OA(9109, 531470, F9, 20) (dual of [531470, 531361, 21]-code), using
- net defined by OOA [i] based on linear OOA(9109, 53147, F9, 20, 20) (dual of [(53147, 20), 1062831, 21]-NRT-code), using
(111−20, 111, 531480)-Net over F9 — Digital
Digital (91, 111, 531480)-net over F9, using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OA(9111, 531480, F9, 20) (dual of [531480, 531369, 21]-code), using
- construction X with Varšamov bound [i] based on
- linear OA(9110, 531478, F9, 20) (dual of [531478, 531368, 21]-code), using
- construction X applied to Ce(19) ⊂ Ce(13) [i] based on
- linear OA(9103, 531441, F9, 20) (dual of [531441, 531338, 21]-code), using an extension Ce(19) of the primitive narrow-sense BCH-code C(I) with length 531440 = 96−1, defining interval I = [1,19], and designed minimum distance d ≥ |I|+1 = 20 [i]
- linear OA(973, 531441, F9, 14) (dual of [531441, 531368, 15]-code), using an extension Ce(13) of the primitive narrow-sense BCH-code C(I) with length 531440 = 96−1, defining interval I = [1,13], and designed minimum distance d ≥ |I|+1 = 14 [i]
- linear OA(97, 37, F9, 5) (dual of [37, 30, 6]-code), using
- discarding factors / shortening the dual code based on linear OA(97, 73, F9, 5) (dual of [73, 66, 6]-code), using
- construction X applied to Ce(19) ⊂ Ce(13) [i] based on
- linear OA(9110, 531479, F9, 19) (dual of [531479, 531369, 20]-code), using Gilbert–Varšamov bound and bm = 9110 > Vbs−1(k−1) = 32 202591 027593 227120 146330 000554 571698 073632 719506 854279 528006 866242 126600 521796 350534 008918 149383 574129 [i]
- linear OA(90, 1, F9, 0) (dual of [1, 1, 1]-code), using
- discarding factors / shortening the dual code based on linear OA(90, s, F9, 0) (dual of [s, s, 1]-code) with arbitrarily large s, using
- linear OA(9110, 531478, F9, 20) (dual of [531478, 531368, 21]-code), using
- construction X with Varšamov bound [i] based on
(111−20, 111, large)-Net in Base 9 — Upper bound on s
There is no (91, 111, large)-net in base 9, because
- 18 times m-reduction [i] would yield (91, 93, large)-net in base 9, but