Best Known (177, 177+35, s)-Nets in Base 2
(177, 177+35, 490)-Net over F2 — Constructive and digital
Digital (177, 212, 490)-net over F2, using
- 22 times duplication [i] based on digital (175, 210, 490)-net over F2, using
- trace code for nets [i] based on digital (7, 42, 98)-net over F32, using
- net from sequence [i] based on digital (7, 97)-sequence over F32, using
- Niederreiter–Xing sequence construction II/III [i] based on function field F/F32 with g(F) = 7 and N(F) ≥ 98, using
- net from sequence [i] based on digital (7, 97)-sequence over F32, using
- trace code for nets [i] based on digital (7, 42, 98)-net over F32, using
(177, 177+35, 1284)-Net over F2 — Digital
Digital (177, 212, 1284)-net over F2, using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OOA(2212, 1284, F2, 3, 35) (dual of [(1284, 3), 3640, 36]-NRT-code), using
- discarding factors / shortening the dual code based on linear OOA(2212, 1375, F2, 3, 35) (dual of [(1375, 3), 3913, 36]-NRT-code), using
- 21 times duplication [i] based on linear OOA(2211, 1375, F2, 3, 35) (dual of [(1375, 3), 3914, 36]-NRT-code), using
- OOA 3-folding [i] based on linear OA(2211, 4125, F2, 35) (dual of [4125, 3914, 36]-code), using
- discarding factors / shortening the dual code based on linear OA(2211, 4126, F2, 35) (dual of [4126, 3915, 36]-code), using
- construction X applied to Ce(34) ⊂ Ce(30) [i] based on
- linear OA(2205, 4096, F2, 35) (dual of [4096, 3891, 36]-code), using an extension Ce(34) of the primitive narrow-sense BCH-code C(I) with length 4095 = 212−1, defining interval I = [1,34], and designed minimum distance d ≥ |I|+1 = 35 [i]
- linear OA(2181, 4096, F2, 31) (dual of [4096, 3915, 32]-code), using an extension Ce(30) of the primitive narrow-sense BCH-code C(I) with length 4095 = 212−1, defining interval I = [1,30], and designed minimum distance d ≥ |I|+1 = 31 [i]
- linear OA(26, 30, F2, 3) (dual of [30, 24, 4]-code or 30-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
- construction X applied to Ce(34) ⊂ Ce(30) [i] based on
- discarding factors / shortening the dual code based on linear OA(2211, 4126, F2, 35) (dual of [4126, 3915, 36]-code), using
- OOA 3-folding [i] based on linear OA(2211, 4125, F2, 35) (dual of [4125, 3914, 36]-code), using
- 21 times duplication [i] based on linear OOA(2211, 1375, F2, 3, 35) (dual of [(1375, 3), 3914, 36]-NRT-code), using
- discarding factors / shortening the dual code based on linear OOA(2212, 1375, F2, 3, 35) (dual of [(1375, 3), 3913, 36]-NRT-code), using
(177, 177+35, 39082)-Net in Base 2 — Upper bound on s
There is no (177, 212, 39083)-net in base 2, because
- 1 times m-reduction [i] would yield (177, 211, 39083)-net in base 2, but
- the generalized Rao bound for nets shows that 2m ≥ 3291 890837 431066 959147 111316 071328 672343 409868 471719 970566 604440 > 2211 [i]