Best Known (47−20, 47, s)-Nets in Base 128
(47−20, 47, 1641)-Net over F128 — Constructive and digital
Digital (27, 47, 1641)-net over F128, using
- net defined by OOA [i] based on linear OOA(12847, 1641, F128, 20, 20) (dual of [(1641, 20), 32773, 21]-NRT-code), using
- OA 10-folding and stacking [i] based on linear OA(12847, 16410, F128, 20) (dual of [16410, 16363, 21]-code), using
- construction X applied to Ce(19) ⊂ Ce(10) [i] based on
- linear OA(12839, 16384, F128, 20) (dual of [16384, 16345, 21]-code), using an extension Ce(19) of the primitive narrow-sense BCH-code C(I) with length 16383 = 1282−1, defining interval I = [1,19], and designed minimum distance d ≥ |I|+1 = 20 [i]
- linear OA(12821, 16384, F128, 11) (dual of [16384, 16363, 12]-code), using an extension Ce(10) of the primitive narrow-sense BCH-code C(I) with length 16383 = 1282−1, defining interval I = [1,10], and designed minimum distance d ≥ |I|+1 = 11 [i]
- linear OA(1288, 26, F128, 8) (dual of [26, 18, 9]-code or 26-arc in PG(7,128)), using
- discarding factors / shortening the dual code based on linear OA(1288, 128, F128, 8) (dual of [128, 120, 9]-code or 128-arc in PG(7,128)), using
- Reed–Solomon code RS(120,128) [i]
- discarding factors / shortening the dual code based on linear OA(1288, 128, F128, 8) (dual of [128, 120, 9]-code or 128-arc in PG(7,128)), using
- construction X applied to Ce(19) ⊂ Ce(10) [i] based on
- OA 10-folding and stacking [i] based on linear OA(12847, 16410, F128, 20) (dual of [16410, 16363, 21]-code), using
(47−20, 47, 6554)-Net in Base 128 — Constructive
(27, 47, 6554)-net in base 128, using
- 1 times m-reduction [i] based on (27, 48, 6554)-net in base 128, using
- base change [i] based on digital (21, 42, 6554)-net over F256, using
- net defined by OOA [i] based on linear OOA(25642, 6554, F256, 21, 21) (dual of [(6554, 21), 137592, 22]-NRT-code), using
- OOA 10-folding and stacking with additional row [i] based on linear OA(25642, 65541, F256, 21) (dual of [65541, 65499, 22]-code), using
- discarding factors / shortening the dual code based on linear OA(25642, 65542, F256, 21) (dual of [65542, 65500, 22]-code), using
- construction X applied to C([0,10]) ⊂ C([0,9]) [i] based on
- linear OA(25641, 65537, F256, 21) (dual of [65537, 65496, 22]-code), using the expurgated narrow-sense BCH-code C(I) with length 65537 | 2564−1, defining interval I = [0,10], and minimum distance d ≥ |{−10,−9,…,10}|+1 = 22 (BCH-bound) [i]
- linear OA(25637, 65537, F256, 19) (dual of [65537, 65500, 20]-code), using the expurgated narrow-sense BCH-code C(I) with length 65537 | 2564−1, defining interval I = [0,9], and minimum distance d ≥ |{−9,−8,…,9}|+1 = 20 (BCH-bound) [i]
- linear OA(2561, 5, F256, 1) (dual of [5, 4, 2]-code), using
- discarding factors / shortening the dual code based on linear OA(2561, s, F256, 1) (dual of [s, s−1, 2]-code) with arbitrarily large s, using
- construction X applied to C([0,10]) ⊂ C([0,9]) [i] based on
- discarding factors / shortening the dual code based on linear OA(25642, 65542, F256, 21) (dual of [65542, 65500, 22]-code), using
- OOA 10-folding and stacking with additional row [i] based on linear OA(25642, 65541, F256, 21) (dual of [65541, 65499, 22]-code), using
- net defined by OOA [i] based on linear OOA(25642, 6554, F256, 21, 21) (dual of [(6554, 21), 137592, 22]-NRT-code), using
- base change [i] based on digital (21, 42, 6554)-net over F256, using
(47−20, 47, 14427)-Net over F128 — Digital
Digital (27, 47, 14427)-net over F128, using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OA(12847, 14427, F128, 20) (dual of [14427, 14380, 21]-code), using
- discarding factors / shortening the dual code based on linear OA(12847, 16410, F128, 20) (dual of [16410, 16363, 21]-code), using
- construction X applied to Ce(19) ⊂ Ce(10) [i] based on
- linear OA(12839, 16384, F128, 20) (dual of [16384, 16345, 21]-code), using an extension Ce(19) of the primitive narrow-sense BCH-code C(I) with length 16383 = 1282−1, defining interval I = [1,19], and designed minimum distance d ≥ |I|+1 = 20 [i]
- linear OA(12821, 16384, F128, 11) (dual of [16384, 16363, 12]-code), using an extension Ce(10) of the primitive narrow-sense BCH-code C(I) with length 16383 = 1282−1, defining interval I = [1,10], and designed minimum distance d ≥ |I|+1 = 11 [i]
- linear OA(1288, 26, F128, 8) (dual of [26, 18, 9]-code or 26-arc in PG(7,128)), using
- discarding factors / shortening the dual code based on linear OA(1288, 128, F128, 8) (dual of [128, 120, 9]-code or 128-arc in PG(7,128)), using
- Reed–Solomon code RS(120,128) [i]
- discarding factors / shortening the dual code based on linear OA(1288, 128, F128, 8) (dual of [128, 120, 9]-code or 128-arc in PG(7,128)), using
- construction X applied to Ce(19) ⊂ Ce(10) [i] based on
- discarding factors / shortening the dual code based on linear OA(12847, 16410, F128, 20) (dual of [16410, 16363, 21]-code), using
(47−20, 47, large)-Net in Base 128 — Upper bound on s
There is no (27, 47, large)-net in base 128, because
- 18 times m-reduction [i] would yield (27, 29, large)-net in base 128, but