Best Known (210, 210+31, s)-Nets in Base 3
(210, 210+31, 35429)-Net over F3 — Constructive and digital
Digital (210, 241, 35429)-net over F3, using
- net defined by OOA [i] based on linear OOA(3241, 35429, F3, 31, 31) (dual of [(35429, 31), 1098058, 32]-NRT-code), using
- OOA 15-folding and stacking with additional row [i] based on linear OA(3241, 531436, F3, 31) (dual of [531436, 531195, 32]-code), using
- discarding factors / shortening the dual code based on linear OA(3241, 531441, F3, 31) (dual of [531441, 531200, 32]-code), using
- an extension Ce(30) of the primitive narrow-sense BCH-code C(I) with length 531440 = 312−1, defining interval I = [1,30], and designed minimum distance d ≥ |I|+1 = 31 [i]
- discarding factors / shortening the dual code based on linear OA(3241, 531441, F3, 31) (dual of [531441, 531200, 32]-code), using
- OOA 15-folding and stacking with additional row [i] based on linear OA(3241, 531436, F3, 31) (dual of [531436, 531195, 32]-code), using
(210, 210+31, 117846)-Net over F3 — Digital
Digital (210, 241, 117846)-net over F3, using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OOA(3241, 117846, F3, 4, 31) (dual of [(117846, 4), 471143, 32]-NRT-code), using
- discarding factors / shortening the dual code based on linear OOA(3241, 132860, F3, 4, 31) (dual of [(132860, 4), 531199, 32]-NRT-code), using
- OOA 4-folding [i] based on linear OA(3241, 531440, F3, 31) (dual of [531440, 531199, 32]-code), using
- discarding factors / shortening the dual code based on linear OA(3241, 531441, F3, 31) (dual of [531441, 531200, 32]-code), using
- an extension Ce(30) of the primitive narrow-sense BCH-code C(I) with length 531440 = 312−1, defining interval I = [1,30], and designed minimum distance d ≥ |I|+1 = 31 [i]
- discarding factors / shortening the dual code based on linear OA(3241, 531441, F3, 31) (dual of [531441, 531200, 32]-code), using
- OOA 4-folding [i] based on linear OA(3241, 531440, F3, 31) (dual of [531440, 531199, 32]-code), using
- discarding factors / shortening the dual code based on linear OOA(3241, 132860, F3, 4, 31) (dual of [(132860, 4), 531199, 32]-NRT-code), using
(210, 210+31, large)-Net in Base 3 — Upper bound on s
There is no (210, 241, large)-net in base 3, because
- 29 times m-reduction [i] would yield (210, 212, large)-net in base 3, but