Best Known (138, 149, s)-Nets in Base 3
(138, 149, 3355440)-Net over F3 — Constructive and digital
Digital (138, 149, 3355440)-net over F3, using
- 33 times duplication [i] based on digital (135, 146, 3355440)-net over F3, using
- trace code for nets [i] based on digital (62, 73, 1677720)-net over F9, using
- net defined by OOA [i] based on linear OOA(973, 1677720, F9, 11, 11) (dual of [(1677720, 11), 18454847, 12]-NRT-code), using
- OOA 5-folding and stacking with additional row [i] based on linear OA(973, 8388601, F9, 11) (dual of [8388601, 8388528, 12]-code), using
- discarding factors / shortening the dual code based on linear OA(973, large, F9, 11) (dual of [large, large−73, 12]-code), using
- the expurgated narrow-sense BCH-code C(I) with length 21523360 | 98−1, defining interval I = [0,10], and designed minimum distance d ≥ |I|+1 = 12 [i]
- discarding factors / shortening the dual code based on linear OA(973, large, F9, 11) (dual of [large, large−73, 12]-code), using
- OOA 5-folding and stacking with additional row [i] based on linear OA(973, 8388601, F9, 11) (dual of [8388601, 8388528, 12]-code), using
- net defined by OOA [i] based on linear OOA(973, 1677720, F9, 11, 11) (dual of [(1677720, 11), 18454847, 12]-NRT-code), using
- trace code for nets [i] based on digital (62, 73, 1677720)-net over F9, using
(138, 149, large)-Net over F3 — Digital
Digital (138, 149, large)-net over F3, using
- 310 times duplication [i] based on digital (128, 139, large)-net over F3, using
- t-expansion [i] based on digital (127, 139, large)-net over F3, using
- embedding of OOA with Gilbert–VarÅ¡amov bound [i] based on linear OA(3139, large, F3, 12) (dual of [large, large−139, 13]-code), using
- 19 times code embedding in larger space [i] based on linear OA(3120, large, F3, 12) (dual of [large, large−120, 13]-code), using
- the primitive narrow-sense BCH-code C(I) with length 14348906 = 315−1, defining interval I = [1,12], and designed minimum distance d ≥ |I|+1 = 13 [i]
- 19 times code embedding in larger space [i] based on linear OA(3120, large, F3, 12) (dual of [large, large−120, 13]-code), using
- embedding of OOA with Gilbert–VarÅ¡amov bound [i] based on linear OA(3139, large, F3, 12) (dual of [large, large−139, 13]-code), using
- t-expansion [i] based on digital (127, 139, large)-net over F3, using
(138, 149, large)-Net in Base 3 — Upper bound on s
There is no (138, 149, large)-net in base 3, because
- 9 times m-reduction [i] would yield (138, 140, large)-net in base 3, but