Best Known (119−20, 119, s)-Nets in Base 4
(119−20, 119, 1653)-Net over F4 — Constructive and digital
Digital (99, 119, 1653)-net over F4, using
- (u, u+v)-construction [i] based on
- digital (4, 14, 15)-net over F4, using
- net from sequence [i] based on digital (4, 14)-sequence over F4, using
- Niederreiter–Xing sequence construction II/III [i] based on function field F/F4 with g(F) = 4 and N(F) ≥ 15, using
- net from sequence [i] based on digital (4, 14)-sequence over F4, using
- digital (85, 105, 1638)-net over F4, using
- net defined by OOA [i] based on linear OOA(4105, 1638, F4, 20, 20) (dual of [(1638, 20), 32655, 21]-NRT-code), using
- OA 10-folding and stacking [i] based on linear OA(4105, 16380, F4, 20) (dual of [16380, 16275, 21]-code), using
- discarding factors / shortening the dual code based on linear OA(4105, 16383, F4, 20) (dual of [16383, 16278, 21]-code), using
- 1 times truncation [i] based on linear OA(4106, 16384, F4, 21) (dual of [16384, 16278, 22]-code), using
- an extension Ce(20) of the primitive narrow-sense BCH-code C(I) with length 16383 = 47−1, defining interval I = [1,20], and designed minimum distance d ≥ |I|+1 = 21 [i]
- 1 times truncation [i] based on linear OA(4106, 16384, F4, 21) (dual of [16384, 16278, 22]-code), using
- discarding factors / shortening the dual code based on linear OA(4105, 16383, F4, 20) (dual of [16383, 16278, 21]-code), using
- OA 10-folding and stacking [i] based on linear OA(4105, 16380, F4, 20) (dual of [16380, 16275, 21]-code), using
- net defined by OOA [i] based on linear OOA(4105, 1638, F4, 20, 20) (dual of [(1638, 20), 32655, 21]-NRT-code), using
- digital (4, 14, 15)-net over F4, using
(119−20, 119, 16439)-Net over F4 — Digital
Digital (99, 119, 16439)-net over F4, using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OA(4119, 16439, F4, 20) (dual of [16439, 16320, 21]-code), using
- construction X applied to Ce(20) ⊂ Ce(12) [i] based on
- linear OA(4106, 16384, F4, 21) (dual of [16384, 16278, 22]-code), using an extension Ce(20) of the primitive narrow-sense BCH-code C(I) with length 16383 = 47−1, defining interval I = [1,20], and designed minimum distance d ≥ |I|+1 = 21 [i]
- linear OA(464, 16384, F4, 13) (dual of [16384, 16320, 14]-code), using an extension Ce(12) of the primitive narrow-sense BCH-code C(I) with length 16383 = 47−1, defining interval I = [1,12], and designed minimum distance d ≥ |I|+1 = 13 [i]
- linear OA(413, 55, F4, 6) (dual of [55, 42, 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(20) ⊂ Ce(12) [i] based on
(119−20, 119, large)-Net in Base 4 — Upper bound on s
There is no (99, 119, large)-net in base 4, because
- 18 times m-reduction [i] would yield (99, 101, large)-net in base 4, but