Best Known (183−19, 183, s)-Nets in Base 4
(183−19, 183, 932083)-Net over F4 — Constructive and digital
Digital (164, 183, 932083)-net over F4, using
- (u, u+v)-construction [i] based on
- digital (5, 14, 17)-net over F4, using
- net from sequence [i] based on digital (5, 16)-sequence over F4, using
- Niederreiter–Xing sequence construction II/III [i] based on function field F/F4 with g(F) = 5 and N(F) ≥ 17, using
- net from sequence [i] based on digital (5, 16)-sequence over F4, using
- digital (150, 169, 932066)-net over F4, using
- net defined by OOA [i] based on linear OOA(4169, 932066, F4, 19, 19) (dual of [(932066, 19), 17709085, 20]-NRT-code), using
- OOA 9-folding and stacking with additional row [i] based on linear OA(4169, 8388595, F4, 19) (dual of [8388595, 8388426, 20]-code), using
- discarding factors / shortening the dual code based on linear OA(4169, large, F4, 19) (dual of [large, large−169, 20]-code), using
- the expurgated narrow-sense BCH-code C(I) with length 16777217 | 424−1, defining interval I = [0,9], and minimum distance d ≥ |{−9,−8,…,9}|+1 = 20 (BCH-bound) [i]
- discarding factors / shortening the dual code based on linear OA(4169, large, F4, 19) (dual of [large, large−169, 20]-code), using
- OOA 9-folding and stacking with additional row [i] based on linear OA(4169, 8388595, F4, 19) (dual of [8388595, 8388426, 20]-code), using
- net defined by OOA [i] based on linear OOA(4169, 932066, F4, 19, 19) (dual of [(932066, 19), 17709085, 20]-NRT-code), using
- digital (5, 14, 17)-net over F4, using
(183−19, 183, 6674312)-Net over F4 — Digital
Digital (164, 183, 6674312)-net over F4, using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OA(4183, 6674312, F4, 19) (dual of [6674312, 6674129, 20]-code), using
- discarding factors / shortening the dual code based on linear OA(4183, large, F4, 19) (dual of [large, large−183, 20]-code), using
- 14 times code embedding in larger space [i] based on linear OA(4169, large, F4, 19) (dual of [large, large−169, 20]-code), using
- the expurgated narrow-sense BCH-code C(I) with length 16777217 | 424−1, defining interval I = [0,9], and minimum distance d ≥ |{−9,−8,…,9}|+1 = 20 (BCH-bound) [i]
- 14 times code embedding in larger space [i] based on linear OA(4169, large, F4, 19) (dual of [large, large−169, 20]-code), using
- discarding factors / shortening the dual code based on linear OA(4183, large, F4, 19) (dual of [large, large−183, 20]-code), using
(183−19, 183, large)-Net in Base 4 — Upper bound on s
There is no (164, 183, large)-net in base 4, because
- 17 times m-reduction [i] would yield (164, 166, large)-net in base 4, but