Best Known (89−18, 89, s)-Nets in Base 2
(89−18, 89, 180)-Net over F2 — Constructive and digital
Digital (71, 89, 180)-net over F2, using
- 21 times duplication [i] based on digital (70, 88, 180)-net over F2, using
- trace code for nets [i] based on digital (4, 22, 45)-net over F16, using
- net from sequence [i] based on digital (4, 44)-sequence over F16, using
- Niederreiter–Xing sequence construction II/III [i] based on function field F/F16 with g(F) = 4 and N(F) ≥ 45, using
- net from sequence [i] based on digital (4, 44)-sequence over F16, using
- trace code for nets [i] based on digital (4, 22, 45)-net over F16, using
(89−18, 89, 288)-Net over F2 — Digital
Digital (71, 89, 288)-net over F2, using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OA(289, 288, F2, 18) (dual of [288, 199, 19]-code), using
- discarding factors / shortening the dual code based on linear OA(289, 546, F2, 18) (dual of [546, 457, 19]-code), using
- construction XX applied to C1 = C([507,12]), C2 = C([1,14]), C3 = C1 + C2 = C([1,12]), and C∩ = C1 ∩ C2 = C([507,14]) [i] based on
- linear OA(273, 511, F2, 17) (dual of [511, 438, 18]-code), using the primitive BCH-code C(I) with length 511 = 29−1, defining interval I = {−4,−3,…,12}, and designed minimum distance d ≥ |I|+1 = 18 [i]
- linear OA(263, 511, F2, 14) (dual of [511, 448, 15]-code), using the primitive narrow-sense BCH-code C(I) with length 511 = 29−1, defining interval I = [1,14], and designed minimum distance d ≥ |I|+1 = 15 [i]
- linear OA(282, 511, F2, 19) (dual of [511, 429, 20]-code), using the primitive BCH-code C(I) with length 511 = 29−1, defining interval I = {−4,−3,…,14}, and designed minimum distance d ≥ |I|+1 = 20 [i]
- linear OA(254, 511, F2, 12) (dual of [511, 457, 13]-code), using the primitive narrow-sense BCH-code C(I) with length 511 = 29−1, defining interval I = [1,12], and designed minimum distance d ≥ |I|+1 = 13 [i]
- linear OA(26, 25, F2, 3) (dual of [25, 19, 4]-code or 25-cap in PG(5,2)), using
- discarding factors / shortening the dual code based on linear OA(26, 32, F2, 3) (dual of [32, 26, 4]-code or 32-cap in PG(5,2)), using
- linear OA(21, 10, F2, 1) (dual of [10, 9, 2]-code), using
- discarding factors / shortening the dual code based on linear OA(21, s, F2, 1) (dual of [s, s−1, 2]-code) with arbitrarily large s, using
- construction XX applied to C1 = C([507,12]), C2 = C([1,14]), C3 = C1 + C2 = C([1,12]), and C∩ = C1 ∩ C2 = C([507,14]) [i] based on
- discarding factors / shortening the dual code based on linear OA(289, 546, F2, 18) (dual of [546, 457, 19]-code), using
(89−18, 89, 3918)-Net in Base 2 — Upper bound on s
There is no (71, 89, 3919)-net in base 2, because
- the generalized Rao bound for nets shows that 2m ≥ 619 069683 225896 529687 624920 > 289 [i]