Best Known (199, 199+36, s)-Nets in Base 4
(199, 199+36, 3649)-Net over F4 — Constructive and digital
Digital (199, 235, 3649)-net over F4, using
- (u, u+v)-construction [i] based on
- digital (1, 19, 9)-net over F4, using
- net from sequence [i] based on digital (1, 8)-sequence over F4, using
- Niederreiter–Xing sequence construction II/III [i] based on function field F/F4 with g(F) = 1 and N(F) ≥ 9, using
- the Hermitian function field over F4 [i]
- Niederreiter–Xing sequence construction II/III [i] based on function field F/F4 with g(F) = 1 and N(F) ≥ 9, using
- net from sequence [i] based on digital (1, 8)-sequence over F4, using
- digital (180, 216, 3640)-net over F4, using
- net defined by OOA [i] based on linear OOA(4216, 3640, F4, 36, 36) (dual of [(3640, 36), 130824, 37]-NRT-code), using
- OA 18-folding and stacking [i] based on linear OA(4216, 65520, F4, 36) (dual of [65520, 65304, 37]-code), using
- discarding factors / shortening the dual code based on linear OA(4216, 65535, F4, 36) (dual of [65535, 65319, 37]-code), using
- 1 times truncation [i] based on linear OA(4217, 65536, F4, 37) (dual of [65536, 65319, 38]-code), using
- an extension Ce(36) of the primitive narrow-sense BCH-code C(I) with length 65535 = 48−1, defining interval I = [1,36], and designed minimum distance d ≥ |I|+1 = 37 [i]
- 1 times truncation [i] based on linear OA(4217, 65536, F4, 37) (dual of [65536, 65319, 38]-code), using
- discarding factors / shortening the dual code based on linear OA(4216, 65535, F4, 36) (dual of [65535, 65319, 37]-code), using
- OA 18-folding and stacking [i] based on linear OA(4216, 65520, F4, 36) (dual of [65520, 65304, 37]-code), using
- net defined by OOA [i] based on linear OOA(4216, 3640, F4, 36, 36) (dual of [(3640, 36), 130824, 37]-NRT-code), using
- digital (1, 19, 9)-net over F4, using
(199, 199+36, 62770)-Net over F4 — Digital
Digital (199, 235, 62770)-net over F4, using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OA(4235, 62770, F4, 36) (dual of [62770, 62535, 37]-code), using
- discarding factors / shortening the dual code based on linear OA(4235, 65602, F4, 36) (dual of [65602, 65367, 37]-code), using
- 5 times code embedding in larger space [i] based on linear OA(4230, 65597, F4, 36) (dual of [65597, 65367, 37]-code), using
- construction X applied to Ce(36) ⊂ Ce(28) [i] based on
- linear OA(4217, 65536, F4, 37) (dual of [65536, 65319, 38]-code), using an extension Ce(36) of the primitive narrow-sense BCH-code C(I) with length 65535 = 48−1, defining interval I = [1,36], and designed minimum distance d ≥ |I|+1 = 37 [i]
- linear OA(4169, 65536, F4, 29) (dual of [65536, 65367, 30]-code), using an extension Ce(28) of the primitive narrow-sense BCH-code C(I) with length 65535 = 48−1, defining interval I = [1,28], and designed minimum distance d ≥ |I|+1 = 29 [i]
- linear OA(413, 61, F4, 6) (dual of [61, 48, 7]-code), using
- discarding factors / shortening the dual code based on linear OA(413, 63, F4, 6) (dual of [63, 50, 7]-code), using
- the primitive expurgated narrow-sense BCH-code C(I) with length 63 = 43−1, defining interval I = [0,5], and designed minimum distance d ≥ |I|+1 = 7 [i]
- discarding factors / shortening the dual code based on linear OA(413, 63, F4, 6) (dual of [63, 50, 7]-code), using
- construction X applied to Ce(36) ⊂ Ce(28) [i] based on
- 5 times code embedding in larger space [i] based on linear OA(4230, 65597, F4, 36) (dual of [65597, 65367, 37]-code), using
- discarding factors / shortening the dual code based on linear OA(4235, 65602, F4, 36) (dual of [65602, 65367, 37]-code), using
(199, 199+36, large)-Net in Base 4 — Upper bound on s
There is no (199, 235, large)-net in base 4, because
- 34 times m-reduction [i] would yield (199, 201, large)-net in base 4, but