Best Known (19, 29, s)-Nets in Base 4
(19, 29, 90)-Net over F4 — Constructive and digital
Digital (19, 29, 90)-net over F4, using
- 1 times m-reduction [i] based on digital (19, 30, 90)-net over F4, using
- trace code for nets [i] based on digital (4, 15, 45)-net over F16, using
- net from sequence [i] based on digital (4, 44)-sequence over F16, using
- Niederreiter–Xing sequence construction II/III [i] based on function field F/F16 with g(F) = 4 and N(F) ≥ 45, using
- net from sequence [i] based on digital (4, 44)-sequence over F16, using
- trace code for nets [i] based on digital (4, 15, 45)-net over F16, using
(19, 29, 155)-Net over F4 — Digital
Digital (19, 29, 155)-net over F4, using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OA(429, 155, F4, 10) (dual of [155, 126, 11]-code), using
- discarding factors / shortening the dual code based on linear OA(429, 255, F4, 10) (dual of [255, 226, 11]-code), using
- the primitive expurgated narrow-sense BCH-code C(I) with length 255 = 44−1, defining interval I = [0,9], and designed minimum distance d ≥ |I|+1 = 11 [i]
- discarding factors / shortening the dual code based on linear OA(429, 255, F4, 10) (dual of [255, 226, 11]-code), using
(19, 29, 2691)-Net in Base 4 — Upper bound on s
There is no (19, 29, 2692)-net in base 4, because
- the generalized Rao bound for nets shows that 4m ≥ 288240 062556 611968 > 429 [i]