Best Known (215−36, 215, s)-Nets in Base 2
(215−36, 215, 490)-Net over F2 — Constructive and digital
Digital (179, 215, 490)-net over F2, using
- trace code for nets [i] based on digital (7, 43, 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
(215−36, 215, 1048)-Net over F2 — Digital
Digital (179, 215, 1048)-net over F2, using
- 21 times duplication [i] based on digital (178, 214, 1048)-net over F2, using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OOA(2214, 1048, F2, 2, 36) (dual of [(1048, 2), 1882, 37]-NRT-code), using
- 2 times NRT-code embedding in larger space [i] based on linear OOA(2210, 1046, F2, 2, 36) (dual of [(1046, 2), 1882, 37]-NRT-code), using
- OOA 2-folding [i] based on linear OA(2210, 2092, F2, 36) (dual of [2092, 1882, 37]-code), using
- 1 times truncation [i] based on linear OA(2211, 2093, F2, 37) (dual of [2093, 1882, 38]-code), using
- construction X applied to Ce(36) ⊂ Ce(30) [i] based on
- 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(2166, 2048, F2, 31) (dual of [2048, 1882, 32]-code), using an extension Ce(30) of the primitive narrow-sense BCH-code C(I) with length 2047 = 211−1, defining interval I = [1,30], and designed minimum distance d ≥ |I|+1 = 31 [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(36) ⊂ Ce(30) [i] based on
- 1 times truncation [i] based on linear OA(2211, 2093, F2, 37) (dual of [2093, 1882, 38]-code), using
- OOA 2-folding [i] based on linear OA(2210, 2092, F2, 36) (dual of [2092, 1882, 37]-code), using
- 2 times NRT-code embedding in larger space [i] based on linear OOA(2210, 1046, F2, 2, 36) (dual of [(1046, 2), 1882, 37]-NRT-code), using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OOA(2214, 1048, F2, 2, 36) (dual of [(1048, 2), 1882, 37]-NRT-code), using
(215−36, 215, 29742)-Net in Base 2 — Upper bound on s
There is no (179, 215, 29743)-net in base 2, because
- the generalized Rao bound for nets shows that 2m ≥ 52667 643942 368249 428829 867876 240094 167070 629259 946046 565604 902374 > 2215 [i]