Best Known (120, 120+24, s)-Nets in Base 4
(120, 120+24, 5461)-Net over F4 — Constructive and digital
Digital (120, 144, 5461)-net over F4, using
- net defined by OOA [i] based on linear OOA(4144, 5461, F4, 24, 24) (dual of [(5461, 24), 130920, 25]-NRT-code), using
- OA 12-folding and stacking [i] based on linear OA(4144, 65532, F4, 24) (dual of [65532, 65388, 25]-code), using
- discarding factors / shortening the dual code based on linear OA(4144, 65536, F4, 24) (dual of [65536, 65392, 25]-code), using
- 1 times truncation [i] based on linear OA(4145, 65537, F4, 25) (dual of [65537, 65392, 26]-code), using
- the expurgated narrow-sense BCH-code C(I) with length 65537 | 416−1, defining interval I = [0,12], and minimum distance d ≥ |{−12,−11,…,12}|+1 = 26 (BCH-bound) [i]
- 1 times truncation [i] based on linear OA(4145, 65537, F4, 25) (dual of [65537, 65392, 26]-code), using
- discarding factors / shortening the dual code based on linear OA(4144, 65536, F4, 24) (dual of [65536, 65392, 25]-code), using
- OA 12-folding and stacking [i] based on linear OA(4144, 65532, F4, 24) (dual of [65532, 65388, 25]-code), using
(120, 120+24, 32768)-Net over F4 — Digital
Digital (120, 144, 32768)-net over F4, using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OOA(4144, 32768, F4, 2, 24) (dual of [(32768, 2), 65392, 25]-NRT-code), using
- OOA 2-folding [i] based on linear OA(4144, 65536, F4, 24) (dual of [65536, 65392, 25]-code), using
- 1 times truncation [i] based on linear OA(4145, 65537, F4, 25) (dual of [65537, 65392, 26]-code), using
- the expurgated narrow-sense BCH-code C(I) with length 65537 | 416−1, defining interval I = [0,12], and minimum distance d ≥ |{−12,−11,…,12}|+1 = 26 (BCH-bound) [i]
- 1 times truncation [i] based on linear OA(4145, 65537, F4, 25) (dual of [65537, 65392, 26]-code), using
- OOA 2-folding [i] based on linear OA(4144, 65536, F4, 24) (dual of [65536, 65392, 25]-code), using
(120, 120+24, large)-Net in Base 4 — Upper bound on s
There is no (120, 144, large)-net in base 4, because
- 22 times m-reduction [i] would yield (120, 122, large)-net in base 4, but