Best Known (47, 47+18, s)-Nets in Base 128
(47, 47+18, 233275)-Net over F128 — Constructive and digital
Digital (47, 65, 233275)-net over F128, using
- (u, u+v)-construction [i] based on
- digital (4, 13, 258)-net over F128, using
- (u, u+v)-construction [i] based on
- digital (0, 4, 129)-net over F128, using
- net from sequence [i] based on digital (0, 128)-sequence over F128, using
- generalized Faure sequence [i]
- Niederreiter–Xing sequence construction II/III [i] based on function field F/F128 with g(F) = 0 and N(F) ≥ 129, using
- the rational function field F128(x) [i]
- Niederreiter sequence [i]
- net from sequence [i] based on digital (0, 128)-sequence over F128, using
- digital (0, 9, 129)-net over F128, using
- net from sequence [i] based on digital (0, 128)-sequence over F128 (see above)
- digital (0, 4, 129)-net over F128, using
- (u, u+v)-construction [i] based on
- digital (34, 52, 233017)-net over F128, using
- net defined by OOA [i] based on linear OOA(12852, 233017, F128, 18, 18) (dual of [(233017, 18), 4194254, 19]-NRT-code), using
- OA 9-folding and stacking [i] based on linear OA(12852, 2097153, F128, 18) (dual of [2097153, 2097101, 19]-code), using
- discarding factors / shortening the dual code based on linear OA(12852, 2097155, F128, 18) (dual of [2097155, 2097103, 19]-code), using
- construction X applied to Ce(17) ⊂ Ce(16) [i] based on
- linear OA(12852, 2097152, F128, 18) (dual of [2097152, 2097100, 19]-code), using an extension Ce(17) of the primitive narrow-sense BCH-code C(I) with length 2097151 = 1283−1, defining interval I = [1,17], and designed minimum distance d ≥ |I|+1 = 18 [i]
- linear OA(12849, 2097152, F128, 17) (dual of [2097152, 2097103, 18]-code), using an extension Ce(16) of the primitive narrow-sense BCH-code C(I) with length 2097151 = 1283−1, defining interval I = [1,16], and designed minimum distance d ≥ |I|+1 = 17 [i]
- linear OA(1280, 3, F128, 0) (dual of [3, 3, 1]-code), using
- discarding factors / shortening the dual code based on linear OA(1280, s, F128, 0) (dual of [s, s, 1]-code) with arbitrarily large s, using
- construction X applied to Ce(17) ⊂ Ce(16) [i] based on
- discarding factors / shortening the dual code based on linear OA(12852, 2097155, F128, 18) (dual of [2097155, 2097103, 19]-code), using
- OA 9-folding and stacking [i] based on linear OA(12852, 2097153, F128, 18) (dual of [2097153, 2097101, 19]-code), using
- net defined by OOA [i] based on linear OOA(12852, 233017, F128, 18, 18) (dual of [(233017, 18), 4194254, 19]-NRT-code), using
- digital (4, 13, 258)-net over F128, using
(47, 47+18, 932067)-Net in Base 128 — Constructive
(47, 65, 932067)-net in base 128, using
- 1 times m-reduction [i] based on (47, 66, 932067)-net in base 128, using
- net defined by OOA [i] based on OOA(12866, 932067, S128, 21, 19), using
- OOA 3-folding and stacking with additional row [i] based on OOA(12866, 2796202, S128, 3, 19), using
- 1 times NRT-code embedding in larger space [i] based on OOA(12863, 2796201, S128, 3, 19), using
- OOA 3-folding [i] based on OA(12863, large, S128, 19), using
- discarding parts of the base [i] based on linear OA(25655, large, F256, 19) (dual of [large, large−55, 20]-code), using
- the primitive expurgated narrow-sense BCH-code C(I) with length 16777215 = 2563−1, defining interval I = [0,18], and designed minimum distance d ≥ |I|+1 = 20 [i]
- discarding parts of the base [i] based on linear OA(25655, large, F256, 19) (dual of [large, large−55, 20]-code), using
- OOA 3-folding [i] based on OA(12863, large, S128, 19), using
- 1 times NRT-code embedding in larger space [i] based on OOA(12863, 2796201, S128, 3, 19), using
- OOA 3-folding and stacking with additional row [i] based on OOA(12866, 2796202, S128, 3, 19), using
- net defined by OOA [i] based on OOA(12866, 932067, S128, 21, 19), using
(47, 47+18, 6443493)-Net over F128 — Digital
Digital (47, 65, 6443493)-net over F128, using
(47, 47+18, large)-Net in Base 128 — Upper bound on s
There is no (47, 65, large)-net in base 128, because
- 16 times m-reduction [i] would yield (47, 49, large)-net in base 128, but