Best Known (29, 29+15, s)-Nets in Base 25
(29, 29+15, 2233)-Net over F25 — Constructive and digital
Digital (29, 44, 2233)-net over F25, using
- net defined by OOA [i] based on linear OOA(2544, 2233, F25, 15, 15) (dual of [(2233, 15), 33451, 16]-NRT-code), using
- OOA 7-folding and stacking with additional row [i] based on linear OA(2544, 15632, F25, 15) (dual of [15632, 15588, 16]-code), using
- discarding factors / shortening the dual code based on linear OA(2544, 15633, F25, 15) (dual of [15633, 15589, 16]-code), using
- construction X applied to C([0,7]) ⊂ C([0,6]) [i] based on
- linear OA(2543, 15626, F25, 15) (dual of [15626, 15583, 16]-code), using the expurgated narrow-sense BCH-code C(I) with length 15626 | 256−1, defining interval I = [0,7], and minimum distance d ≥ |{−7,−6,…,7}|+1 = 16 (BCH-bound) [i]
- linear OA(2537, 15626, F25, 13) (dual of [15626, 15589, 14]-code), using the expurgated narrow-sense BCH-code C(I) with length 15626 | 256−1, defining interval I = [0,6], and minimum distance d ≥ |{−6,−5,…,6}|+1 = 14 (BCH-bound) [i]
- linear OA(251, 7, F25, 1) (dual of [7, 6, 2]-code), using
- discarding factors / shortening the dual code based on linear OA(251, s, F25, 1) (dual of [s, s−1, 2]-code) with arbitrarily large s, using
- construction X applied to C([0,7]) ⊂ C([0,6]) [i] based on
- discarding factors / shortening the dual code based on linear OA(2544, 15633, F25, 15) (dual of [15633, 15589, 16]-code), using
- OOA 7-folding and stacking with additional row [i] based on linear OA(2544, 15632, F25, 15) (dual of [15632, 15588, 16]-code), using
(29, 29+15, 9929)-Net over F25 — Digital
Digital (29, 44, 9929)-net over F25, using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OA(2544, 9929, F25, 15) (dual of [9929, 9885, 16]-code), using
- discarding factors / shortening the dual code based on linear OA(2544, 15633, F25, 15) (dual of [15633, 15589, 16]-code), using
- construction X applied to C([0,7]) ⊂ C([0,6]) [i] based on
- linear OA(2543, 15626, F25, 15) (dual of [15626, 15583, 16]-code), using the expurgated narrow-sense BCH-code C(I) with length 15626 | 256−1, defining interval I = [0,7], and minimum distance d ≥ |{−7,−6,…,7}|+1 = 16 (BCH-bound) [i]
- linear OA(2537, 15626, F25, 13) (dual of [15626, 15589, 14]-code), using the expurgated narrow-sense BCH-code C(I) with length 15626 | 256−1, defining interval I = [0,6], and minimum distance d ≥ |{−6,−5,…,6}|+1 = 14 (BCH-bound) [i]
- linear OA(251, 7, F25, 1) (dual of [7, 6, 2]-code), using
- discarding factors / shortening the dual code based on linear OA(251, s, F25, 1) (dual of [s, s−1, 2]-code) with arbitrarily large s, using
- construction X applied to C([0,7]) ⊂ C([0,6]) [i] based on
- discarding factors / shortening the dual code based on linear OA(2544, 15633, F25, 15) (dual of [15633, 15589, 16]-code), using
(29, 29+15, large)-Net in Base 25 — Upper bound on s
There is no (29, 44, large)-net in base 25, because
- 13 times m-reduction [i] would yield (29, 31, large)-net in base 25, but