Best Known (18, 18+8, s)-Nets in Base 16
(18, 18+8, 1045)-Net over F16 — Constructive and digital
Digital (18, 26, 1045)-net over F16, using
- generalized (u, u+v)-construction [i] based on
- digital (0, 2, 17)-net over F16, using
- digital (4, 8, 514)-net over F16, using
- trace code for nets [i] based on digital (0, 4, 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, 4, 257)-net over F256, using
- digital (8, 16, 514)-net over F16, using
- trace code for nets [i] based on digital (0, 8, 257)-net over F256, using
- net from sequence [i] based on digital (0, 256)-sequence over F256 (see above)
- trace code for nets [i] based on digital (0, 8, 257)-net over F256, using
(18, 18+8, 1056)-Net in Base 16 — Constructive
(18, 26, 1056)-net in base 16, using
- 161 times duplication [i] based on (17, 25, 1056)-net in base 16, using
- base change [i] based on digital (12, 20, 1056)-net over F32, using
- generalized (u, u+v)-construction [i] based on
- digital (0, 0, 33)-net over F32, using
- s-reduction based on digital (0, 0, s)-net over F32 with arbitrarily large s, using
- digital (0, 0, 33)-net over F32 (see above)
- digital (0, 0, 33)-net over F32 (see above)
- digital (0, 0, 33)-net over F32 (see above)
- digital (0, 0, 33)-net over F32 (see above)
- digital (0, 0, 33)-net over F32 (see above)
- digital (0, 0, 33)-net over F32 (see above)
- digital (0, 0, 33)-net over F32 (see above)
- digital (0, 0, 33)-net over F32 (see above)
- digital (0, 0, 33)-net over F32 (see above)
- digital (0, 0, 33)-net over F32 (see above)
- digital (0, 0, 33)-net over F32 (see above)
- digital (0, 0, 33)-net over F32 (see above)
- digital (0, 0, 33)-net over F32 (see above)
- digital (0, 0, 33)-net over F32 (see above)
- digital (0, 0, 33)-net over F32 (see above)
- digital (0, 0, 33)-net over F32 (see above)
- digital (0, 0, 33)-net over F32 (see above)
- digital (0, 0, 33)-net over F32 (see above)
- digital (0, 0, 33)-net over F32 (see above)
- digital (0, 0, 33)-net over F32 (see above)
- digital (0, 0, 33)-net over F32 (see above)
- digital (0, 0, 33)-net over F32 (see above)
- digital (0, 0, 33)-net over F32 (see above)
- digital (0, 1, 33)-net over F32, using
- s-reduction based on digital (0, 1, s)-net over F32 with arbitrarily large s, using
- digital (0, 1, 33)-net over F32 (see above)
- digital (0, 1, 33)-net over F32 (see above)
- digital (0, 1, 33)-net over F32 (see above)
- digital (0, 2, 33)-net over F32, using
- digital (0, 2, 33)-net over F32 (see above)
- digital (0, 4, 33)-net over F32, using
- net from sequence [i] based on digital (0, 32)-sequence over F32, using
- generalized Faure sequence [i]
- Niederreiter–Xing sequence construction II/III [i] based on function field F/F32 with g(F) = 0 and N(F) ≥ 33, using
- the rational function field F32(x) [i]
- Niederreiter sequence [i]
- net from sequence [i] based on digital (0, 32)-sequence over F32, using
- digital (0, 8, 33)-net over F32, using
- net from sequence [i] based on digital (0, 32)-sequence over F32 (see above)
- digital (0, 0, 33)-net over F32, using
- generalized (u, u+v)-construction [i] based on
- base change [i] based on digital (12, 20, 1056)-net over F32, using
(18, 18+8, 6722)-Net over F16 — Digital
Digital (18, 26, 6722)-net over F16, using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OA(1626, 6722, F16, 8) (dual of [6722, 6696, 9]-code), using
- 2619 step Varšamov–Edel lengthening with (ri) = (1, 0, 0, 0, 1, 61 times 0, 1, 611 times 0, 1, 1940 times 0) [i] based on linear OA(1622, 4099, F16, 8) (dual of [4099, 4077, 9]-code), using
- construction X applied to Ce(7) ⊂ Ce(6) [i] based on
- linear OA(1622, 4096, F16, 8) (dual of [4096, 4074, 9]-code), using an extension Ce(7) of the primitive narrow-sense BCH-code C(I) with length 4095 = 163−1, defining interval I = [1,7], and designed minimum distance d ≥ |I|+1 = 8 [i]
- linear OA(1619, 4096, F16, 7) (dual of [4096, 4077, 8]-code), using an extension Ce(6) of the primitive narrow-sense BCH-code C(I) with length 4095 = 163−1, defining interval I = [1,6], and designed minimum distance d ≥ |I|+1 = 7 [i]
- linear OA(160, 3, F16, 0) (dual of [3, 3, 1]-code), using
- discarding factors / shortening the dual code based on linear OA(160, s, F16, 0) (dual of [s, s, 1]-code) with arbitrarily large s, using
- construction X applied to Ce(7) ⊂ Ce(6) [i] based on
- 2619 step Varšamov–Edel lengthening with (ri) = (1, 0, 0, 0, 1, 61 times 0, 1, 611 times 0, 1, 1940 times 0) [i] based on linear OA(1622, 4099, F16, 8) (dual of [4099, 4077, 9]-code), using
(18, 18+8, large)-Net in Base 16 — Upper bound on s
There is no (18, 26, large)-net in base 16, because
- 6 times m-reduction [i] would yield (18, 20, large)-net in base 16, but