Best Known (136, 136+31, s)-Nets in Base 4
(136, 136+31, 1158)-Net over F4 — Constructive and digital
Digital (136, 167, 1158)-net over F4, using
- 41 times duplication [i] based on digital (135, 166, 1158)-net over F4, using
- (u, u+v)-construction [i] based on
- digital (27, 42, 130)-net over F4, using
- trace code for nets [i] based on digital (6, 21, 65)-net over F16, using
- net from sequence [i] based on digital (6, 64)-sequence over F16, using
- Niederreiter–Xing sequence construction II/III [i] based on function field F/F16 with g(F) = 6 and N(F) ≥ 65, using
- the Hermitian function field over F16 [i]
- Niederreiter–Xing sequence construction II/III [i] based on function field F/F16 with g(F) = 6 and N(F) ≥ 65, using
- net from sequence [i] based on digital (6, 64)-sequence over F16, using
- trace code for nets [i] based on digital (6, 21, 65)-net over F16, using
- digital (93, 124, 1028)-net over F4, using
- trace code for nets [i] based on digital (0, 31, 257)-net over F256, using
- net from sequence [i] based on digital (0, 256)-sequence over F256, using
- generalized Faure sequence [i]
- Niederreiter–Xing sequence construction II/III [i] based on function field F/F256 with g(F) = 0 and N(F) ≥ 257, using
- the rational function field F256(x) [i]
- Niederreiter sequence [i]
- net from sequence [i] based on digital (0, 256)-sequence over F256, using
- trace code for nets [i] based on digital (0, 31, 257)-net over F256, using
- digital (27, 42, 130)-net over F4, using
- (u, u+v)-construction [i] based on
(136, 136+31, 10848)-Net over F4 — Digital
Digital (136, 167, 10848)-net over F4, using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OA(4167, 10848, F4, 31) (dual of [10848, 10681, 32]-code), using
- discarding factors / shortening the dual code based on linear OA(4167, 16410, F4, 31) (dual of [16410, 16243, 32]-code), using
- construction X applied to Ce(30) ⊂ Ce(26) [i] based on
- linear OA(4162, 16384, F4, 31) (dual of [16384, 16222, 32]-code), using an extension Ce(30) of the primitive narrow-sense BCH-code C(I) with length 16383 = 47−1, defining interval I = [1,30], and designed minimum distance d ≥ |I|+1 = 31 [i]
- linear OA(4141, 16384, F4, 27) (dual of [16384, 16243, 28]-code), using an extension Ce(26) of the primitive narrow-sense BCH-code C(I) with length 16383 = 47−1, defining interval I = [1,26], and designed minimum distance d ≥ |I|+1 = 27 [i]
- linear OA(45, 26, F4, 3) (dual of [26, 21, 4]-code or 26-cap in PG(4,4)), using
- discarding factors / shortening the dual code based on linear OA(45, 41, F4, 3) (dual of [41, 36, 4]-code or 41-cap in PG(4,4)), using
- construction X applied to Ce(30) ⊂ Ce(26) [i] based on
- discarding factors / shortening the dual code based on linear OA(4167, 16410, F4, 31) (dual of [16410, 16243, 32]-code), using
(136, 136+31, large)-Net in Base 4 — Upper bound on s
There is no (136, 167, large)-net in base 4, because
- 29 times m-reduction [i] would yield (136, 138, large)-net in base 4, but