Best Known (136−22, 136, s)-Nets in Base 8
(136−22, 136, 190651)-Net over F8 — Constructive and digital
Digital (114, 136, 190651)-net over F8, using
- 81 times duplication [i] based on digital (113, 135, 190651)-net over F8, using
- net defined by OOA [i] based on linear OOA(8135, 190651, F8, 22, 22) (dual of [(190651, 22), 4194187, 23]-NRT-code), using
- OA 11-folding and stacking [i] based on linear OA(8135, 2097161, F8, 22) (dual of [2097161, 2097026, 23]-code), using
- discarding factors / shortening the dual code based on linear OA(8135, 2097167, F8, 22) (dual of [2097167, 2097032, 23]-code), using
- construction X applied to Ce(21) ⊂ Ce(19) [i] based on
- linear OA(8134, 2097152, F8, 22) (dual of [2097152, 2097018, 23]-code), using an extension Ce(21) of the primitive narrow-sense BCH-code C(I) with length 2097151 = 87−1, defining interval I = [1,21], and designed minimum distance d ≥ |I|+1 = 22 [i]
- linear OA(8120, 2097152, F8, 20) (dual of [2097152, 2097032, 21]-code), using an extension Ce(19) of the primitive narrow-sense BCH-code C(I) with length 2097151 = 87−1, defining interval I = [1,19], and designed minimum distance d ≥ |I|+1 = 20 [i]
- linear OA(81, 15, F8, 1) (dual of [15, 14, 2]-code), using
- discarding factors / shortening the dual code based on linear OA(81, s, F8, 1) (dual of [s, s−1, 2]-code) with arbitrarily large s, using
- construction X applied to Ce(21) ⊂ Ce(19) [i] based on
- discarding factors / shortening the dual code based on linear OA(8135, 2097167, F8, 22) (dual of [2097167, 2097032, 23]-code), using
- OA 11-folding and stacking [i] based on linear OA(8135, 2097161, F8, 22) (dual of [2097161, 2097026, 23]-code), using
- net defined by OOA [i] based on linear OOA(8135, 190651, F8, 22, 22) (dual of [(190651, 22), 4194187, 23]-NRT-code), using
(136−22, 136, 1479320)-Net over F8 — Digital
Digital (114, 136, 1479320)-net over F8, using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OA(8136, 1479320, F8, 22) (dual of [1479320, 1479184, 23]-code), using
- discarding factors / shortening the dual code based on linear OA(8136, 2097169, F8, 22) (dual of [2097169, 2097033, 23]-code), using
- construction XX applied to Ce(21) ⊂ Ce(19) ⊂ Ce(18) [i] based on
- linear OA(8134, 2097152, F8, 22) (dual of [2097152, 2097018, 23]-code), using an extension Ce(21) of the primitive narrow-sense BCH-code C(I) with length 2097151 = 87−1, defining interval I = [1,21], and designed minimum distance d ≥ |I|+1 = 22 [i]
- linear OA(8120, 2097152, F8, 20) (dual of [2097152, 2097032, 21]-code), using an extension Ce(19) of the primitive narrow-sense BCH-code C(I) with length 2097151 = 87−1, defining interval I = [1,19], and designed minimum distance d ≥ |I|+1 = 20 [i]
- linear OA(8113, 2097152, F8, 19) (dual of [2097152, 2097039, 20]-code), using an extension Ce(18) of the primitive narrow-sense BCH-code C(I) with length 2097151 = 87−1, defining interval I = [1,18], and designed minimum distance d ≥ |I|+1 = 19 [i]
- linear OA(81, 16, F8, 1) (dual of [16, 15, 2]-code), using
- discarding factors / shortening the dual code based on linear OA(81, 511, F8, 1) (dual of [511, 510, 2]-code), using
- the primitive expurgated narrow-sense BCH-code C(I) with length 511 = 83−1, defining interval I = [0,0], and designed minimum distance d ≥ |I|+1 = 2 [i]
- discarding factors / shortening the dual code based on linear OA(81, 511, F8, 1) (dual of [511, 510, 2]-code), using
- linear OA(80, 1, F8, 0) (dual of [1, 1, 1]-code), using
- dual of repetition code with length 1 [i]
- construction XX applied to Ce(21) ⊂ Ce(19) ⊂ Ce(18) [i] based on
- discarding factors / shortening the dual code based on linear OA(8136, 2097169, F8, 22) (dual of [2097169, 2097033, 23]-code), using
(136−22, 136, large)-Net in Base 8 — Upper bound on s
There is no (114, 136, large)-net in base 8, because
- 20 times m-reduction [i] would yield (114, 116, large)-net in base 8, but