Best Known (192, 192+18, s)-Nets in Base 3
(192, 192+18, 932181)-Net over F3 — Constructive and digital
Digital (192, 210, 932181)-net over F3, using
- (u, u+v)-construction [i] based on
- digital (21, 30, 114)-net over F3, using
- trace code for nets [i] based on digital (1, 10, 38)-net over F27, using
- net from sequence [i] based on digital (1, 37)-sequence over F27, using
- Niederreiter–Xing sequence construction II/III [i] based on function field F/F27 with g(F) = 1 and N(F) ≥ 38, using
- net from sequence [i] based on digital (1, 37)-sequence over F27, using
- trace code for nets [i] based on digital (1, 10, 38)-net over F27, using
- digital (162, 180, 932067)-net over F3, using
- net defined by OOA [i] based on linear OOA(3180, 932067, F3, 18, 18) (dual of [(932067, 18), 16777026, 19]-NRT-code), using
- OA 9-folding and stacking [i] based on linear OA(3180, large, F3, 18) (dual of [large, large−180, 19]-code), using
- the primitive narrow-sense BCH-code C(I) with length 14348906 = 315−1, defining interval I = [1,18], and designed minimum distance d ≥ |I|+1 = 19 [i]
- OA 9-folding and stacking [i] based on linear OA(3180, large, F3, 18) (dual of [large, large−180, 19]-code), using
- net defined by OOA [i] based on linear OOA(3180, 932067, F3, 18, 18) (dual of [(932067, 18), 16777026, 19]-NRT-code), using
- digital (21, 30, 114)-net over F3, using
(192, 192+18, 5806361)-Net over F3 — Digital
Digital (192, 210, 5806361)-net over F3, using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OA(3210, 5806361, F3, 18) (dual of [5806361, 5806151, 19]-code), using
- discarding factors / shortening the dual code based on linear OA(3210, large, F3, 18) (dual of [large, large−210, 19]-code), using
- strength reduction [i] based on linear OA(3210, large, F3, 21) (dual of [large, large−210, 22]-code), using
- the primitive narrow-sense BCH-code C(I) with length 14348906 = 315−1, defining interval I = [1,21], and designed minimum distance d ≥ |I|+1 = 22 [i]
- strength reduction [i] based on linear OA(3210, large, F3, 21) (dual of [large, large−210, 22]-code), using
- discarding factors / shortening the dual code based on linear OA(3210, large, F3, 18) (dual of [large, large−210, 19]-code), using
(192, 192+18, large)-Net in Base 3 — Upper bound on s
There is no (192, 210, large)-net in base 3, because
- 16 times m-reduction [i] would yield (192, 194, large)-net in base 3, but