Best Known (112−19, 112, s)-Nets in Base 4
(112−19, 112, 2056)-Net over F4 — Constructive and digital
Digital (93, 112, 2056)-net over F4, using
- (u, u+v)-construction [i] based on
- digital (27, 36, 1028)-net over F4, using
- trace code for nets [i] based on digital (0, 9, 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, 9, 257)-net over F256, using
- digital (57, 76, 1028)-net over F4, using
- trace code for nets [i] based on digital (0, 19, 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, 19, 257)-net over F256, using
- digital (27, 36, 1028)-net over F4, using
(112−19, 112, 16435)-Net over F4 — Digital
Digital (93, 112, 16435)-net over F4, using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OA(4112, 16435, F4, 19) (dual of [16435, 16323, 20]-code), using
- construction X with Varšamov bound [i] based on
- linear OA(4109, 16429, F4, 19) (dual of [16429, 16320, 20]-code), using
- construction X applied to Ce(18) ⊂ Ce(12) [i] based on
- linear OA(499, 16384, F4, 19) (dual of [16384, 16285, 20]-code), using an extension Ce(18) of the primitive narrow-sense BCH-code C(I) with length 16383 = 47−1, defining interval I = [1,18], and designed minimum distance d ≥ |I|+1 = 19 [i]
- linear OA(464, 16384, F4, 13) (dual of [16384, 16320, 14]-code), using an extension Ce(12) of the primitive narrow-sense BCH-code C(I) with length 16383 = 47−1, defining interval I = [1,12], and designed minimum distance d ≥ |I|+1 = 13 [i]
- linear OA(410, 45, F4, 5) (dual of [45, 35, 6]-code), using
- discarding factors / shortening the dual code based on linear OA(410, 63, F4, 5) (dual of [63, 53, 6]-code), using
- the primitive expurgated narrow-sense BCH-code C(I) with length 63 = 43−1, defining interval I = [0,3], and designed minimum distance d ≥ |I|+1 = 6 [i]
- discarding factors / shortening the dual code based on linear OA(410, 63, F4, 5) (dual of [63, 53, 6]-code), using
- construction X applied to Ce(18) ⊂ Ce(12) [i] based on
- linear OA(4109, 16432, F4, 18) (dual of [16432, 16323, 19]-code), using Gilbert–Varšamov bound and bm = 4109 > Vbs−1(k−1) = 167045 512173 122570 211427 209547 427698 666304 509520 235721 042496 871916 [i]
- linear OA(40, 3, F4, 0) (dual of [3, 3, 1]-code), using
- discarding factors / shortening the dual code based on linear OA(40, s, F4, 0) (dual of [s, s, 1]-code) with arbitrarily large s, using
- linear OA(4109, 16429, F4, 19) (dual of [16429, 16320, 20]-code), using
- construction X with Varšamov bound [i] based on
(112−19, 112, large)-Net in Base 4 — Upper bound on s
There is no (93, 112, large)-net in base 4, because
- 17 times m-reduction [i] would yield (93, 95, large)-net in base 4, but