Best Known (201, 201+42, s)-Nets in Base 2
(201, 201+42, 380)-Net over F2 — Constructive and digital
Digital (201, 243, 380)-net over F2, using
- 2 times m-reduction [i] based on digital (201, 245, 380)-net over F2, using
- trace code for nets [i] based on digital (5, 49, 76)-net over F32, using
- net from sequence [i] based on digital (5, 75)-sequence over F32, using
- Niederreiter–Xing sequence construction II/III [i] based on function field F/F32 with g(F) = 5 and N(F) ≥ 76, using
- net from sequence [i] based on digital (5, 75)-sequence over F32, using
- trace code for nets [i] based on digital (5, 49, 76)-net over F32, using
(201, 201+42, 1046)-Net over F2 — Digital
Digital (201, 243, 1046)-net over F2, using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OOA(2243, 1046, F2, 2, 42) (dual of [(1046, 2), 1849, 43]-NRT-code), using
- OOA 2-folding [i] based on linear OA(2243, 2092, F2, 42) (dual of [2092, 1849, 43]-code), using
- 1 times truncation [i] based on linear OA(2244, 2093, F2, 43) (dual of [2093, 1849, 44]-code), using
- construction X applied to Ce(42) ⊂ Ce(36) [i] based on
- linear OA(2232, 2048, F2, 43) (dual of [2048, 1816, 44]-code), using an extension Ce(42) of the primitive narrow-sense BCH-code C(I) with length 2047 = 211−1, defining interval I = [1,42], and designed minimum distance d ≥ |I|+1 = 43 [i]
- linear OA(2199, 2048, F2, 37) (dual of [2048, 1849, 38]-code), using an extension Ce(36) of the primitive narrow-sense BCH-code C(I) with length 2047 = 211−1, defining interval I = [1,36], and designed minimum distance d ≥ |I|+1 = 37 [i]
- linear OA(212, 45, F2, 5) (dual of [45, 33, 6]-code), using
- discarding factors / shortening the dual code based on linear OA(212, 48, F2, 5) (dual of [48, 36, 6]-code), using
- adding a parity check bit [i] based on linear OA(211, 47, F2, 4) (dual of [47, 36, 5]-code), using
- extracting embedded orthogonal array [i] based on digital (7, 11, 47)-net over F2, using
- adding a parity check bit [i] based on linear OA(211, 47, F2, 4) (dual of [47, 36, 5]-code), using
- discarding factors / shortening the dual code based on linear OA(212, 48, F2, 5) (dual of [48, 36, 6]-code), using
- construction X applied to Ce(42) ⊂ Ce(36) [i] based on
- 1 times truncation [i] based on linear OA(2244, 2093, F2, 43) (dual of [2093, 1849, 44]-code), using
- OOA 2-folding [i] based on linear OA(2243, 2092, F2, 42) (dual of [2092, 1849, 43]-code), using
(201, 201+42, 26383)-Net in Base 2 — Upper bound on s
There is no (201, 243, 26384)-net in base 2, because
- the generalized Rao bound for nets shows that 2m ≥ 14 142079 634445 650328 273489 512828 232481 813475 313659 901439 880824 043514 515760 > 2243 [i]