Best Known (124−25, 124, s)-Nets in Base 3
(124−25, 124, 640)-Net over F3 — Constructive and digital
Digital (99, 124, 640)-net over F3, using
- t-expansion [i] based on digital (98, 124, 640)-net over F3, using
- trace code for nets [i] based on digital (5, 31, 160)-net over F81, using
- net from sequence [i] based on digital (5, 159)-sequence over F81, using
- Niederreiter–Xing sequence construction II/III [i] based on function field F/F81 with g(F) = 5 and N(F) ≥ 160, using
- net from sequence [i] based on digital (5, 159)-sequence over F81, using
- trace code for nets [i] based on digital (5, 31, 160)-net over F81, using
(124−25, 124, 1657)-Net over F3 — Digital
Digital (99, 124, 1657)-net over F3, using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OA(3124, 1657, F3, 25) (dual of [1657, 1533, 26]-code), using
- discarding factors / shortening the dual code based on linear OA(3124, 2227, F3, 25) (dual of [2227, 2103, 26]-code), using
- construction X applied to C([0,12]) ⊂ C([0,9]) [i] based on
- linear OA(3113, 2188, F3, 25) (dual of [2188, 2075, 26]-code), using the expurgated narrow-sense BCH-code C(I) with length 2188 | 314−1, defining interval I = [0,12], and minimum distance d ≥ |{−12,−11,…,12}|+1 = 26 (BCH-bound) [i]
- linear OA(385, 2188, F3, 19) (dual of [2188, 2103, 20]-code), using the expurgated narrow-sense BCH-code C(I) with length 2188 | 314−1, defining interval I = [0,9], and minimum distance d ≥ |{−9,−8,…,9}|+1 = 20 (BCH-bound) [i]
- linear OA(311, 39, F3, 5) (dual of [39, 28, 6]-code), using
- discarding factors / shortening the dual code based on linear OA(311, 40, F3, 5) (dual of [40, 29, 6]-code), using
- (u, u−v, u+v+w)-construction [i] based on
- linear OA(31, 13, F3, 1) (dual of [13, 12, 2]-code), using
- discarding factors / shortening the dual code based on linear OA(31, s, F3, 1) (dual of [s, s−1, 2]-code) with arbitrarily large s, using
- linear OA(33, 13, F3, 2) (dual of [13, 10, 3]-code), using
- Hamming code H(3,3) [i]
- linear OA(37, 14, F3, 5) (dual of [14, 7, 6]-code), using
- extended quadratic residue code Qe(14,3) [i]
- linear OA(31, 13, F3, 1) (dual of [13, 12, 2]-code), using
- (u, u−v, u+v+w)-construction [i] based on
- discarding factors / shortening the dual code based on linear OA(311, 40, F3, 5) (dual of [40, 29, 6]-code), using
- construction X applied to C([0,12]) ⊂ C([0,9]) [i] based on
- discarding factors / shortening the dual code based on linear OA(3124, 2227, F3, 25) (dual of [2227, 2103, 26]-code), using
(124−25, 124, 205494)-Net in Base 3 — Upper bound on s
There is no (99, 124, 205495)-net in base 3, because
- 1 times m-reduction [i] would yield (99, 123, 205495)-net in base 3, but
- the generalized Rao bound for nets shows that 3m ≥ 48520 998630 762626 426318 662887 151236 772632 337276 108683 686377 > 3123 [i]