Best Known (131, 131+29, s)-Nets in Base 8
(131, 131+29, 18727)-Net over F8 — Constructive and digital
Digital (131, 160, 18727)-net over F8, using
- 82 times duplication [i] based on digital (129, 158, 18727)-net over F8, using
- net defined by OOA [i] based on linear OOA(8158, 18727, F8, 29, 29) (dual of [(18727, 29), 542925, 30]-NRT-code), using
- OOA 14-folding and stacking with additional row [i] based on linear OA(8158, 262179, F8, 29) (dual of [262179, 262021, 30]-code), using
- discarding factors / shortening the dual code based on linear OA(8158, 262181, F8, 29) (dual of [262181, 262023, 30]-code), using
- construction X applied to Ce(28) ⊂ Ce(22) [i] based on
- linear OA(8151, 262144, F8, 29) (dual of [262144, 261993, 30]-code), using an extension Ce(28) of the primitive narrow-sense BCH-code C(I) with length 262143 = 86−1, defining interval I = [1,28], and designed minimum distance d ≥ |I|+1 = 29 [i]
- linear OA(8121, 262144, F8, 23) (dual of [262144, 262023, 24]-code), using an extension Ce(22) of the primitive narrow-sense BCH-code C(I) with length 262143 = 86−1, defining interval I = [1,22], and designed minimum distance d ≥ |I|+1 = 23 [i]
- linear OA(87, 37, F8, 5) (dual of [37, 30, 6]-code), using
- discarding factors / shortening the dual code based on linear OA(87, 57, F8, 5) (dual of [57, 50, 6]-code), using
- construction X applied to Ce(28) ⊂ Ce(22) [i] based on
- discarding factors / shortening the dual code based on linear OA(8158, 262181, F8, 29) (dual of [262181, 262023, 30]-code), using
- OOA 14-folding and stacking with additional row [i] based on linear OA(8158, 262179, F8, 29) (dual of [262179, 262021, 30]-code), using
- net defined by OOA [i] based on linear OOA(8158, 18727, F8, 29, 29) (dual of [(18727, 29), 542925, 30]-NRT-code), using
(131, 131+29, 262185)-Net over F8 — Digital
Digital (131, 160, 262185)-net over F8, using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OA(8160, 262185, F8, 29) (dual of [262185, 262025, 30]-code), using
- construction X with Varšamov bound [i] based on
- linear OA(8158, 262181, F8, 29) (dual of [262181, 262023, 30]-code), using
- construction X applied to Ce(28) ⊂ Ce(22) [i] based on
- linear OA(8151, 262144, F8, 29) (dual of [262144, 261993, 30]-code), using an extension Ce(28) of the primitive narrow-sense BCH-code C(I) with length 262143 = 86−1, defining interval I = [1,28], and designed minimum distance d ≥ |I|+1 = 29 [i]
- linear OA(8121, 262144, F8, 23) (dual of [262144, 262023, 24]-code), using an extension Ce(22) of the primitive narrow-sense BCH-code C(I) with length 262143 = 86−1, defining interval I = [1,22], and designed minimum distance d ≥ |I|+1 = 23 [i]
- linear OA(87, 37, F8, 5) (dual of [37, 30, 6]-code), using
- discarding factors / shortening the dual code based on linear OA(87, 57, F8, 5) (dual of [57, 50, 6]-code), using
- construction X applied to Ce(28) ⊂ Ce(22) [i] based on
- linear OA(8158, 262183, F8, 28) (dual of [262183, 262025, 29]-code), using Gilbert–Varšamov bound and bm = 8158 > Vbs−1(k−1) = 1208 834336 097838 546524 035983 011939 373540 406741 366085 051785 308697 721062 624859 671024 556156 718917 303882 665123 450716 445225 462965 101970 502167 114728 [i]
- linear OA(80, 2, F8, 0) (dual of [2, 2, 1]-code), using
- discarding factors / shortening the dual code based on linear OA(80, s, F8, 0) (dual of [s, s, 1]-code) with arbitrarily large s, using
- linear OA(8158, 262181, F8, 29) (dual of [262181, 262023, 30]-code), using
- construction X with Varšamov bound [i] based on
(131, 131+29, large)-Net in Base 8 — Upper bound on s
There is no (131, 160, large)-net in base 8, because
- 27 times m-reduction [i] would yield (131, 133, large)-net in base 8, but