Best Known (121, 121+24, s)-Nets in Base 2
(121, 121+24, 390)-Net over F2 — Constructive and digital
Digital (121, 145, 390)-net over F2, using
- 21 times duplication [i] based on digital (120, 144, 390)-net over F2, using
- trace code for nets [i] based on digital (0, 24, 65)-net over F64, using
- net from sequence [i] based on digital (0, 64)-sequence over F64, using
- generalized Faure sequence [i]
- Niederreiter–Xing sequence construction II/III [i] based on function field F/F64 with g(F) = 0 and N(F) ≥ 65, using
- the rational function field F64(x) [i]
- Niederreiter sequence [i]
- net from sequence [i] based on digital (0, 64)-sequence over F64, using
- trace code for nets [i] based on digital (0, 24, 65)-net over F64, using
(121, 121+24, 1111)-Net over F2 — Digital
Digital (121, 145, 1111)-net over F2, using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OOA(2145, 1111, F2, 3, 24) (dual of [(1111, 3), 3188, 25]-NRT-code), using
- discarding factors / shortening the dual code based on linear OOA(2145, 1369, F2, 3, 24) (dual of [(1369, 3), 3962, 25]-NRT-code), using
- OOA 3-folding [i] based on linear OA(2145, 4107, F2, 24) (dual of [4107, 3962, 25]-code), using
- discarding factors / shortening the dual code based on linear OA(2145, 4108, F2, 24) (dual of [4108, 3963, 25]-code), using
- 1 times truncation [i] based on linear OA(2146, 4109, F2, 25) (dual of [4109, 3963, 26]-code), using
- construction X applied to Ce(24) ⊂ Ce(22) [i] based on
- linear OA(2145, 4096, F2, 25) (dual of [4096, 3951, 26]-code), using an extension Ce(24) of the primitive narrow-sense BCH-code C(I) with length 4095 = 212−1, defining interval I = [1,24], and designed minimum distance d ≥ |I|+1 = 25 [i]
- linear OA(2133, 4096, F2, 23) (dual of [4096, 3963, 24]-code), using an extension Ce(22) of the primitive narrow-sense BCH-code C(I) with length 4095 = 212−1, defining interval I = [1,22], and designed minimum distance d ≥ |I|+1 = 23 [i]
- linear OA(21, 13, F2, 1) (dual of [13, 12, 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 X applied to Ce(24) ⊂ Ce(22) [i] based on
- 1 times truncation [i] based on linear OA(2146, 4109, F2, 25) (dual of [4109, 3963, 26]-code), using
- discarding factors / shortening the dual code based on linear OA(2145, 4108, F2, 24) (dual of [4108, 3963, 25]-code), using
- OOA 3-folding [i] based on linear OA(2145, 4107, F2, 24) (dual of [4107, 3962, 25]-code), using
- discarding factors / shortening the dual code based on linear OOA(2145, 1369, F2, 3, 24) (dual of [(1369, 3), 3962, 25]-NRT-code), using
(121, 121+24, 22933)-Net in Base 2 — Upper bound on s
There is no (121, 145, 22934)-net in base 2, because
- the generalized Rao bound for nets shows that 2m ≥ 44 606131 677126 008033 736162 302889 968079 269562 > 2145 [i]