Best Known (144, 157, s)-Nets in Base 3
(144, 157, 1594325)-Net over F3 — Constructive and digital
Digital (144, 157, 1594325)-net over F3, using
- 31 times duplication [i] based on digital (143, 156, 1594325)-net over F3, using
- net defined by OOA [i] based on linear OOA(3156, 1594325, F3, 14, 13) (dual of [(1594325, 14), 22320394, 14]-NRT-code), using
- OOA 3-folding and stacking with additional row [i] based on linear OOA(3156, 4782976, F3, 2, 13) (dual of [(4782976, 2), 9565796, 14]-NRT-code), using
- trace code [i] based on linear OOA(978, 2391488, F9, 2, 13) (dual of [(2391488, 2), 4782898, 14]-NRT-code), using
- OOA 2-folding [i] based on linear OA(978, 4782976, F9, 13) (dual of [4782976, 4782898, 14]-code), using
- construction X applied to Ce(12) ⊂ Ce(11) [i] based on
- linear OA(978, 4782969, F9, 13) (dual of [4782969, 4782891, 14]-code), using an extension Ce(12) of the primitive narrow-sense BCH-code C(I) with length 4782968 = 97−1, defining interval I = [1,12], and designed minimum distance d ≥ |I|+1 = 13 [i]
- linear OA(971, 4782969, F9, 12) (dual of [4782969, 4782898, 13]-code), using an extension Ce(11) of the primitive narrow-sense BCH-code C(I) with length 4782968 = 97−1, defining interval I = [1,11], and designed minimum distance d ≥ |I|+1 = 12 [i]
- linear OA(90, 7, F9, 0) (dual of [7, 7, 1]-code), using
- discarding factors / shortening the dual code based on linear OA(90, s, F9, 0) (dual of [s, s, 1]-code) with arbitrarily large s, using
- construction X applied to Ce(12) ⊂ Ce(11) [i] based on
- OOA 2-folding [i] based on linear OA(978, 4782976, F9, 13) (dual of [4782976, 4782898, 14]-code), using
- trace code [i] based on linear OOA(978, 2391488, F9, 2, 13) (dual of [(2391488, 2), 4782898, 14]-NRT-code), using
- OOA 3-folding and stacking with additional row [i] based on linear OOA(3156, 4782976, F3, 2, 13) (dual of [(4782976, 2), 9565796, 14]-NRT-code), using
- net defined by OOA [i] based on linear OOA(3156, 1594325, F3, 14, 13) (dual of [(1594325, 14), 22320394, 14]-NRT-code), using
(144, 157, large)-Net over F3 — Digital
Digital (144, 157, large)-net over F3, using
- 35 times duplication [i] based on digital (139, 152, large)-net over F3, using
- embedding of OOA with Gilbert–VarÅ¡amov bound [i] based on linear OA(3152, large, F3, 13) (dual of [large, large−152, 14]-code), using
- 31 times code embedding in larger space [i] based on linear OA(3121, large, F3, 13) (dual of [large, large−121, 14]-code), using
- the expurgated narrow-sense BCH-code C(I) with length 14348908 | 330−1, defining interval I = [0,6], and minimum distance d ≥ |{−6,−5,…,6}|+1 = 14 (BCH-bound) [i]
- 31 times code embedding in larger space [i] based on linear OA(3121, large, F3, 13) (dual of [large, large−121, 14]-code), using
- embedding of OOA with Gilbert–VarÅ¡amov bound [i] based on linear OA(3152, large, F3, 13) (dual of [large, large−152, 14]-code), using
(144, 157, large)-Net in Base 3 — Upper bound on s
There is no (144, 157, large)-net in base 3, because
- 11 times m-reduction [i] would yield (144, 146, large)-net in base 3, but