Best Known (230, 230+16, s)-Nets in Base 3
(230, 230+16, 4194300)-Net over F3 — Constructive and digital
Digital (230, 246, 4194300)-net over F3, using
- 32 times duplication [i] based on digital (228, 244, 4194300)-net over F3, using
- trace code for nets [i] based on digital (106, 122, 2097150)-net over F9, using
- net defined by OOA [i] based on linear OOA(9122, 2097150, F9, 18, 16) (dual of [(2097150, 18), 37748578, 17]-NRT-code), using
- OOA 4-folding and stacking with additional row [i] based on linear OOA(9122, 8388601, F9, 2, 16) (dual of [(8388601, 2), 16777080, 17]-NRT-code), using
- discarding factors / shortening the dual code based on linear OOA(9122, 8388602, F9, 2, 16) (dual of [(8388602, 2), 16777082, 17]-NRT-code), using
- trace code [i] based on linear OOA(8161, 4194301, F81, 2, 16) (dual of [(4194301, 2), 8388541, 17]-NRT-code), using
- OOA 2-folding [i] based on linear OA(8161, 8388602, F81, 16) (dual of [8388602, 8388541, 17]-code), using
- discarding factors / shortening the dual code based on linear OA(8161, large, F81, 16) (dual of [large, large−61, 17]-code), using
- the expurgated narrow-sense BCH-code C(I) with length 21523360 | 814−1, defining interval I = [0,15], and designed minimum distance d ≥ |I|+1 = 17 [i]
- discarding factors / shortening the dual code based on linear OA(8161, large, F81, 16) (dual of [large, large−61, 17]-code), using
- OOA 2-folding [i] based on linear OA(8161, 8388602, F81, 16) (dual of [8388602, 8388541, 17]-code), using
- trace code [i] based on linear OOA(8161, 4194301, F81, 2, 16) (dual of [(4194301, 2), 8388541, 17]-NRT-code), using
- discarding factors / shortening the dual code based on linear OOA(9122, 8388602, F9, 2, 16) (dual of [(8388602, 2), 16777082, 17]-NRT-code), using
- OOA 4-folding and stacking with additional row [i] based on linear OOA(9122, 8388601, F9, 2, 16) (dual of [(8388601, 2), 16777080, 17]-NRT-code), using
- net defined by OOA [i] based on linear OOA(9122, 2097150, F9, 18, 16) (dual of [(2097150, 18), 37748578, 17]-NRT-code), using
- trace code for nets [i] based on digital (106, 122, 2097150)-net over F9, using
(230, 230+16, large)-Net over F3 — Digital
Digital (230, 246, large)-net over F3, using
- 35 times duplication [i] based on digital (225, 241, large)-net over F3, using
- t-expansion [i] based on digital (221, 241, large)-net over F3, using
- embedding of OOA with Gilbert–VarÅ¡amov bound [i] based on linear OA(3241, large, F3, 20) (dual of [large, large−241, 21]-code), using
- strength reduction [i] based on linear OA(3241, large, F3, 25) (dual of [large, large−241, 26]-code), using
- the expurgated narrow-sense BCH-code C(I) with length 14348908 | 330−1, defining interval I = [0,12], and minimum distance d ≥ |{−12,−11,…,12}|+1 = 26 (BCH-bound) [i]
- strength reduction [i] based on linear OA(3241, large, F3, 25) (dual of [large, large−241, 26]-code), using
- embedding of OOA with Gilbert–VarÅ¡amov bound [i] based on linear OA(3241, large, F3, 20) (dual of [large, large−241, 21]-code), using
- t-expansion [i] based on digital (221, 241, large)-net over F3, using
(230, 230+16, large)-Net in Base 3 — Upper bound on s
There is no (230, 246, large)-net in base 3, because
- 14 times m-reduction [i] would yield (230, 232, large)-net in base 3, but