Best Known (152−18, 152, s)-Nets in Base 4
(152−18, 152, 466039)-Net over F4 — Constructive and digital
Digital (134, 152, 466039)-net over F4, using
- net defined by OOA [i] based on linear OOA(4152, 466039, F4, 18, 18) (dual of [(466039, 18), 8388550, 19]-NRT-code), using
- OA 9-folding and stacking [i] based on linear OA(4152, 4194351, F4, 18) (dual of [4194351, 4194199, 19]-code), using
- discarding factors / shortening the dual code based on linear OA(4152, 4194356, F4, 18) (dual of [4194356, 4194204, 19]-code), using
- construction X applied to Ce(17) ⊂ Ce(12) [i] based on
- linear OA(4144, 4194304, F4, 18) (dual of [4194304, 4194160, 19]-code), using an extension Ce(17) of the primitive narrow-sense BCH-code C(I) with length 4194303 = 411−1, defining interval I = [1,17], and designed minimum distance d ≥ |I|+1 = 18 [i]
- linear OA(4100, 4194304, F4, 13) (dual of [4194304, 4194204, 14]-code), using an extension Ce(12) of the primitive narrow-sense BCH-code C(I) with length 4194303 = 411−1, defining interval I = [1,12], and designed minimum distance d ≥ |I|+1 = 13 [i]
- linear OA(48, 52, F4, 4) (dual of [52, 44, 5]-code), using
- discarding factors / shortening the dual code based on linear OA(48, 85, F4, 4) (dual of [85, 77, 5]-code), using
- construction X applied to Ce(17) ⊂ Ce(12) [i] based on
- discarding factors / shortening the dual code based on linear OA(4152, 4194356, F4, 18) (dual of [4194356, 4194204, 19]-code), using
- OA 9-folding and stacking [i] based on linear OA(4152, 4194351, F4, 18) (dual of [4194351, 4194199, 19]-code), using
(152−18, 152, 2097178)-Net over F4 — Digital
Digital (134, 152, 2097178)-net over F4, using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OOA(4152, 2097178, F4, 2, 18) (dual of [(2097178, 2), 4194204, 19]-NRT-code), using
- OOA 2-folding [i] based on linear OA(4152, 4194356, F4, 18) (dual of [4194356, 4194204, 19]-code), using
- construction X applied to Ce(17) ⊂ Ce(12) [i] based on
- linear OA(4144, 4194304, F4, 18) (dual of [4194304, 4194160, 19]-code), using an extension Ce(17) of the primitive narrow-sense BCH-code C(I) with length 4194303 = 411−1, defining interval I = [1,17], and designed minimum distance d ≥ |I|+1 = 18 [i]
- linear OA(4100, 4194304, F4, 13) (dual of [4194304, 4194204, 14]-code), using an extension Ce(12) of the primitive narrow-sense BCH-code C(I) with length 4194303 = 411−1, defining interval I = [1,12], and designed minimum distance d ≥ |I|+1 = 13 [i]
- linear OA(48, 52, F4, 4) (dual of [52, 44, 5]-code), using
- discarding factors / shortening the dual code based on linear OA(48, 85, F4, 4) (dual of [85, 77, 5]-code), using
- construction X applied to Ce(17) ⊂ Ce(12) [i] based on
- OOA 2-folding [i] based on linear OA(4152, 4194356, F4, 18) (dual of [4194356, 4194204, 19]-code), using
(152−18, 152, large)-Net in Base 4 — Upper bound on s
There is no (134, 152, large)-net in base 4, because
- 16 times m-reduction [i] would yield (134, 136, large)-net in base 4, but