Best Known (181, 181+17, s)-Nets in Base 2
(181, 181+17, 1048586)-Net over F2 — Constructive and digital
Digital (181, 198, 1048586)-net over F2, using
- (u, u+v)-construction [i] based on
- digital (5, 13, 11)-net over F2, using
- digital (168, 185, 1048575)-net over F2, using
- net defined by OOA [i] based on linear OOA(2185, 1048575, F2, 17, 17) (dual of [(1048575, 17), 17825590, 18]-NRT-code), using
- OOA 8-folding and stacking with additional row [i] based on linear OA(2185, 8388601, F2, 17) (dual of [8388601, 8388416, 18]-code), using
- discarding factors / shortening the dual code based on linear OA(2185, large, F2, 17) (dual of [large, large−185, 18]-code), using
- the expurgated narrow-sense BCH-code C(I) with length 8388609 | 246−1, defining interval I = [0,8], and minimum distance d ≥ |{−8,−7,…,8}|+1 = 18 (BCH-bound) [i]
- discarding factors / shortening the dual code based on linear OA(2185, large, F2, 17) (dual of [large, large−185, 18]-code), using
- OOA 8-folding and stacking with additional row [i] based on linear OA(2185, 8388601, F2, 17) (dual of [8388601, 8388416, 18]-code), using
- net defined by OOA [i] based on linear OOA(2185, 1048575, F2, 17, 17) (dual of [(1048575, 17), 17825590, 18]-NRT-code), using
(181, 181+17, 1398111)-Net over F2 — Digital
Digital (181, 198, 1398111)-net over F2, using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OOA(2198, 1398111, F2, 6, 17) (dual of [(1398111, 6), 8388468, 18]-NRT-code), using
- (u, u+v)-construction [i] based on
- linear OOA(213, 11, F2, 6, 8) (dual of [(11, 6), 53, 9]-NRT-code), using
- extracting embedded OOA [i] based on digital (5, 13, 11)-net over F2, using
- linear OOA(2185, 1398100, F2, 6, 17) (dual of [(1398100, 6), 8388415, 18]-NRT-code), using
- OOA 6-folding [i] based on linear OA(2185, 8388600, F2, 17) (dual of [8388600, 8388415, 18]-code), using
- discarding factors / shortening the dual code based on linear OA(2185, large, F2, 17) (dual of [large, large−185, 18]-code), using
- the expurgated narrow-sense BCH-code C(I) with length 8388609 | 246−1, defining interval I = [0,8], and minimum distance d ≥ |{−8,−7,…,8}|+1 = 18 (BCH-bound) [i]
- discarding factors / shortening the dual code based on linear OA(2185, large, F2, 17) (dual of [large, large−185, 18]-code), using
- OOA 6-folding [i] based on linear OA(2185, 8388600, F2, 17) (dual of [8388600, 8388415, 18]-code), using
- linear OOA(213, 11, F2, 6, 8) (dual of [(11, 6), 53, 9]-NRT-code), using
- (u, u+v)-construction [i] based on
(181, 181+17, large)-Net in Base 2 — Upper bound on s
There is no (181, 198, large)-net in base 2, because
- 15 times m-reduction [i] would yield (181, 183, large)-net in base 2, but