Best Known (149, 149+4, s)-Nets in Base 3
(149, 149+4, large)-Net over F3 — Constructive and digital
Digital (149, 153, large)-net over F3, using
- t-expansion [i] based on digital (148, 153, large)-net over F3, using
- 3 times m-reduction [i] based on digital (148, 156, large)-net over F3, using
- trace code for nets [i] based on digital (44, 52, 4194300)-net over F27, using
- net defined by OOA [i] based on linear OOA(2752, 4194300, F27, 10, 8) (dual of [(4194300, 10), 41942948, 9]-NRT-code), using
- OOA 2-folding and stacking with additional row [i] based on linear OOA(2752, 8388601, F27, 2, 8) (dual of [(8388601, 2), 16777150, 9]-NRT-code), using
- discarding factors / shortening the dual code based on linear OOA(2752, 8388602, F27, 2, 8) (dual of [(8388602, 2), 16777152, 9]-NRT-code), using
- (u, u+v)-construction [i] based on
- linear OOA(2716, 4194301, F27, 2, 4) (dual of [(4194301, 2), 8388586, 5]-NRT-code), using
- OOA 2-folding [i] based on linear OA(2716, 8388602, F27, 4) (dual of [8388602, 8388586, 5]-code), using
- discarding factors / shortening the dual code based on linear OA(2716, large, F27, 4) (dual of [large, large−16, 5]-code), using
- the primitive expurgated narrow-sense BCH-code C(I) with length 14348906 = 275−1, defining interval I = [0,3], and designed minimum distance d ≥ |I|+1 = 5 [i]
- discarding factors / shortening the dual code based on linear OA(2716, large, F27, 4) (dual of [large, large−16, 5]-code), using
- OOA 2-folding [i] based on linear OA(2716, 8388602, F27, 4) (dual of [8388602, 8388586, 5]-code), using
- linear OOA(2736, 4194301, F27, 2, 8) (dual of [(4194301, 2), 8388566, 9]-NRT-code), using
- OOA 2-folding [i] based on linear OA(2736, 8388602, F27, 8) (dual of [8388602, 8388566, 9]-code), using
- discarding factors / shortening the dual code based on linear OA(2736, large, F27, 8) (dual of [large, large−36, 9]-code), using
- the primitive expurgated narrow-sense BCH-code C(I) with length 14348906 = 275−1, defining interval I = [0,7], and designed minimum distance d ≥ |I|+1 = 9 [i]
- discarding factors / shortening the dual code based on linear OA(2736, large, F27, 8) (dual of [large, large−36, 9]-code), using
- OOA 2-folding [i] based on linear OA(2736, 8388602, F27, 8) (dual of [8388602, 8388566, 9]-code), using
- linear OOA(2716, 4194301, F27, 2, 4) (dual of [(4194301, 2), 8388586, 5]-NRT-code), using
- (u, u+v)-construction [i] based on
- discarding factors / shortening the dual code based on linear OOA(2752, 8388602, F27, 2, 8) (dual of [(8388602, 2), 16777152, 9]-NRT-code), using
- OOA 2-folding and stacking with additional row [i] based on linear OOA(2752, 8388601, F27, 2, 8) (dual of [(8388601, 2), 16777150, 9]-NRT-code), using
- net defined by OOA [i] based on linear OOA(2752, 4194300, F27, 10, 8) (dual of [(4194300, 10), 41942948, 9]-NRT-code), using
- trace code for nets [i] based on digital (44, 52, 4194300)-net over F27, using
- 3 times m-reduction [i] based on digital (148, 156, large)-net over F3, using
(149, 149+4, large)-Net in Base 3 — Upper bound on s
There is no (149, 153, large)-net in base 3, because
- 2 times m-reduction [i] would yield (149, 151, large)-net in base 3, but