Best Known (243−42, 243, s)-Nets in Base 3
(243−42, 243, 1480)-Net over F3 — Constructive and digital
Digital (201, 243, 1480)-net over F3, using
- t-expansion [i] based on digital (199, 243, 1480)-net over F3, using
- 1 times m-reduction [i] based on digital (199, 244, 1480)-net over F3, using
- trace code for nets [i] based on digital (16, 61, 370)-net over F81, using
- net from sequence [i] based on digital (16, 369)-sequence over F81, using
- Niederreiter–Xing sequence construction II/III [i] based on function field F/F81 with g(F) = 16 and N(F) ≥ 370, using
- net from sequence [i] based on digital (16, 369)-sequence over F81, using
- trace code for nets [i] based on digital (16, 61, 370)-net over F81, using
- 1 times m-reduction [i] based on digital (199, 244, 1480)-net over F3, using
(243−42, 243, 6034)-Net over F3 — Digital
Digital (201, 243, 6034)-net over F3, using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OA(3243, 6034, F3, 42) (dual of [6034, 5791, 43]-code), using
- discarding factors / shortening the dual code based on linear OA(3243, 6627, F3, 42) (dual of [6627, 6384, 43]-code), using
- 2 times code embedding in larger space [i] based on linear OA(3241, 6625, F3, 42) (dual of [6625, 6384, 43]-code), using
- construction X applied to Ce(42) ⊂ Ce(33) [i] based on
- linear OA(3225, 6561, F3, 43) (dual of [6561, 6336, 44]-code), using an extension Ce(42) of the primitive narrow-sense BCH-code C(I) with length 6560 = 38−1, defining interval I = [1,42], and designed minimum distance d ≥ |I|+1 = 43 [i]
- linear OA(3177, 6561, F3, 34) (dual of [6561, 6384, 35]-code), using an extension Ce(33) of the primitive narrow-sense BCH-code C(I) with length 6560 = 38−1, defining interval I = [1,33], and designed minimum distance d ≥ |I|+1 = 34 [i]
- linear OA(316, 64, F3, 7) (dual of [64, 48, 8]-code), using
- discarding factors / shortening the dual code based on linear OA(316, 82, F3, 7) (dual of [82, 66, 8]-code), using
- construction X applied to Ce(42) ⊂ Ce(33) [i] based on
- 2 times code embedding in larger space [i] based on linear OA(3241, 6625, F3, 42) (dual of [6625, 6384, 43]-code), using
- discarding factors / shortening the dual code based on linear OA(3243, 6627, F3, 42) (dual of [6627, 6384, 43]-code), using
(243−42, 243, 1440226)-Net in Base 3 — Upper bound on s
There is no (201, 243, 1440227)-net in base 3, because
- the generalized Rao bound for nets shows that 3m ≥ 87 189809 245197 905286 042616 329359 895615 668477 733576 971308 110911 365667 470074 937181 931011 855744 494208 546087 311713 236895 > 3243 [i]