Best Known (78−16, 78, s)-Nets in Base 3
(78−16, 78, 464)-Net over F3 — Constructive and digital
Digital (62, 78, 464)-net over F3, using
- 2 times m-reduction [i] based on digital (62, 80, 464)-net over F3, using
- trace code for nets [i] based on digital (2, 20, 116)-net over F81, using
- net from sequence [i] based on digital (2, 115)-sequence over F81, using
- Niederreiter–Xing sequence construction II/III [i] based on function field F/F81 with g(F) = 2 and N(F) ≥ 116, using
- net from sequence [i] based on digital (2, 115)-sequence over F81, using
- trace code for nets [i] based on digital (2, 20, 116)-net over F81, using
(78−16, 78, 1260)-Net over F3 — Digital
Digital (62, 78, 1260)-net over F3, using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OA(378, 1260, F3, 16) (dual of [1260, 1182, 17]-code), using
- discarding factors / shortening the dual code based on linear OA(378, 2214, F3, 16) (dual of [2214, 2136, 17]-code), using
- construction X applied to Ce(15) ⊂ Ce(10) [i] based on
- linear OA(371, 2187, F3, 16) (dual of [2187, 2116, 17]-code), using an extension Ce(15) of the primitive narrow-sense BCH-code C(I) with length 2186 = 37−1, defining interval I = [1,15], and designed minimum distance d ≥ |I|+1 = 16 [i]
- linear OA(350, 2187, F3, 11) (dual of [2187, 2137, 12]-code), using an extension Ce(10) of the primitive narrow-sense BCH-code C(I) with length 2186 = 37−1, defining interval I = [1,10], and designed minimum distance d ≥ |I|+1 = 11 [i]
- linear OA(37, 27, F3, 4) (dual of [27, 20, 5]-code), using
- an extension Ce(3) of the primitive narrow-sense BCH-code C(I) with length 26 = 33−1, defining interval I = [1,3], and designed minimum distance d ≥ |I|+1 = 4 [i]
- construction X applied to Ce(15) ⊂ Ce(10) [i] based on
- discarding factors / shortening the dual code based on linear OA(378, 2214, F3, 16) (dual of [2214, 2136, 17]-code), using
(78−16, 78, 84441)-Net in Base 3 — Upper bound on s
There is no (62, 78, 84442)-net in base 3, because
- the generalized Rao bound for nets shows that 3m ≥ 16 424648 763675 100761 900398 871566 683089 > 378 [i]