Best Known (93, 93+22, s)-Nets in Base 3
(93, 93+22, 640)-Net over F3 — Constructive and digital
Digital (93, 115, 640)-net over F3, using
- t-expansion [i] based on digital (92, 115, 640)-net over F3, using
- 1 times m-reduction [i] based on digital (92, 116, 640)-net over F3, using
- trace code for nets [i] based on digital (5, 29, 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, 29, 160)-net over F81, using
- 1 times m-reduction [i] based on digital (92, 116, 640)-net over F3, using
(93, 93+22, 2710)-Net over F3 — Digital
Digital (93, 115, 2710)-net over F3, using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OOA(3115, 2710, F3, 2, 22) (dual of [(2710, 2), 5305, 23]-NRT-code), using
- discarding factors / shortening the dual code based on linear OOA(3115, 3286, F3, 2, 22) (dual of [(3286, 2), 6457, 23]-NRT-code), using
- OOA 2-folding [i] based on linear OA(3115, 6572, F3, 22) (dual of [6572, 6457, 23]-code), using
- construction XX applied to Ce(21) ⊂ Ce(19) ⊂ Ce(18) [i] based on
- linear OA(3113, 6561, F3, 22) (dual of [6561, 6448, 23]-code), using an extension Ce(21) of the primitive narrow-sense BCH-code C(I) with length 6560 = 38−1, defining interval I = [1,21], and designed minimum distance d ≥ |I|+1 = 22 [i]
- linear OA(3105, 6561, F3, 20) (dual of [6561, 6456, 21]-code), using an extension Ce(19) of the primitive narrow-sense BCH-code C(I) with length 6560 = 38−1, defining interval I = [1,19], and designed minimum distance d ≥ |I|+1 = 20 [i]
- linear OA(397, 6561, F3, 19) (dual of [6561, 6464, 20]-code), using an extension Ce(18) of the primitive narrow-sense BCH-code C(I) with length 6560 = 38−1, defining interval I = [1,18], and designed minimum distance d ≥ |I|+1 = 19 [i]
- linear OA(31, 10, F3, 1) (dual of [10, 9, 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(30, 1, F3, 0) (dual of [1, 1, 1]-code), using
- dual of repetition code with length 1 [i]
- construction XX applied to Ce(21) ⊂ Ce(19) ⊂ Ce(18) [i] based on
- OOA 2-folding [i] based on linear OA(3115, 6572, F3, 22) (dual of [6572, 6457, 23]-code), using
- discarding factors / shortening the dual code based on linear OOA(3115, 3286, F3, 2, 22) (dual of [(3286, 2), 6457, 23]-NRT-code), using
(93, 93+22, 238809)-Net in Base 3 — Upper bound on s
There is no (93, 115, 238810)-net in base 3, because
- the generalized Rao bound for nets shows that 3m ≥ 7 395403 359136 839572 620478 332022 552086 609311 874245 431841 > 3115 [i]