Best Known (179, 179+26, s)-Nets in Base 2
(179, 179+26, 2523)-Net over F2 — Constructive and digital
Digital (179, 205, 2523)-net over F2, using
- 23 times duplication [i] based on digital (176, 202, 2523)-net over F2, using
- t-expansion [i] based on digital (175, 202, 2523)-net over F2, using
- net defined by OOA [i] based on linear OOA(2202, 2523, F2, 27, 27) (dual of [(2523, 27), 67919, 28]-NRT-code), using
- OOA 13-folding and stacking with additional row [i] based on linear OA(2202, 32800, F2, 27) (dual of [32800, 32598, 28]-code), using
- construction X applied to Ce(26) ⊂ Ce(22) [i] based on
- linear OA(2196, 32768, F2, 27) (dual of [32768, 32572, 28]-code), using an extension Ce(26) of the primitive narrow-sense BCH-code C(I) with length 32767 = 215−1, defining interval I = [1,26], and designed minimum distance d ≥ |I|+1 = 27 [i]
- linear OA(2166, 32768, F2, 23) (dual of [32768, 32602, 24]-code), using an extension Ce(22) of the primitive narrow-sense BCH-code C(I) with length 32767 = 215−1, defining interval I = [1,22], and designed minimum distance d ≥ |I|+1 = 23 [i]
- linear OA(26, 32, F2, 3) (dual of [32, 26, 4]-code or 32-cap in PG(5,2)), using
- construction X applied to Ce(26) ⊂ Ce(22) [i] based on
- OOA 13-folding and stacking with additional row [i] based on linear OA(2202, 32800, F2, 27) (dual of [32800, 32598, 28]-code), using
- net defined by OOA [i] based on linear OOA(2202, 2523, F2, 27, 27) (dual of [(2523, 27), 67919, 28]-NRT-code), using
- t-expansion [i] based on digital (175, 202, 2523)-net over F2, using
(179, 179+26, 6573)-Net over F2 — Digital
Digital (179, 205, 6573)-net over F2, using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OOA(2205, 6573, F2, 4, 26) (dual of [(6573, 4), 26087, 27]-NRT-code), using
- discarding factors / shortening the dual code based on linear OOA(2205, 8201, F2, 4, 26) (dual of [(8201, 4), 32599, 27]-NRT-code), using
- 1 step truncation [i] based on linear OOA(2206, 8202, F2, 4, 27) (dual of [(8202, 4), 32602, 28]-NRT-code), using
- OOA 4-folding [i] based on linear OA(2206, 32808, F2, 27) (dual of [32808, 32602, 28]-code), using
- 3 times code embedding in larger space [i] based on linear OA(2203, 32805, F2, 27) (dual of [32805, 32602, 28]-code), using
- construction X applied to Ce(26) ⊂ Ce(22) [i] based on
- linear OA(2196, 32768, F2, 27) (dual of [32768, 32572, 28]-code), using an extension Ce(26) of the primitive narrow-sense BCH-code C(I) with length 32767 = 215−1, defining interval I = [1,26], and designed minimum distance d ≥ |I|+1 = 27 [i]
- linear OA(2166, 32768, F2, 23) (dual of [32768, 32602, 24]-code), using an extension Ce(22) of the primitive narrow-sense BCH-code C(I) with length 32767 = 215−1, defining interval I = [1,22], and designed minimum distance d ≥ |I|+1 = 23 [i]
- linear OA(27, 37, F2, 3) (dual of [37, 30, 4]-code or 37-cap in PG(6,2)), using
- discarding factors / shortening the dual code based on linear OA(27, 63, F2, 3) (dual of [63, 56, 4]-code or 63-cap in PG(6,2)), using
- the primitive expurgated narrow-sense BCH-code C(I) with length 63 = 26−1, defining interval I = [0,1], and designed minimum distance d ≥ |I|+1 = 4 [i]
- discarding factors / shortening the dual code based on linear OA(27, 63, F2, 3) (dual of [63, 56, 4]-code or 63-cap in PG(6,2)), using
- construction X applied to Ce(26) ⊂ Ce(22) [i] based on
- 3 times code embedding in larger space [i] based on linear OA(2203, 32805, F2, 27) (dual of [32805, 32602, 28]-code), using
- OOA 4-folding [i] based on linear OA(2206, 32808, F2, 27) (dual of [32808, 32602, 28]-code), using
- 1 step truncation [i] based on linear OOA(2206, 8202, F2, 4, 27) (dual of [(8202, 4), 32602, 28]-NRT-code), using
- discarding factors / shortening the dual code based on linear OOA(2205, 8201, F2, 4, 26) (dual of [(8201, 4), 32599, 27]-NRT-code), using
(179, 179+26, 316513)-Net in Base 2 — Upper bound on s
There is no (179, 205, 316514)-net in base 2, because
- the generalized Rao bound for nets shows that 2m ≥ 51 424087 599401 443140 374442 496786 546432 166174 657908 481787 043944 > 2205 [i]