Best Known (203, 203+23, s)-Nets in Base 4
(203, 203+23, 762628)-Net over F4 — Constructive and digital
Digital (203, 226, 762628)-net over F4, using
- (u, u+v)-construction [i] based on
- digital (10, 21, 28)-net over F4, using
- (u, u+v)-construction [i] based on
- digital (2, 7, 16)-net over F4, using
- digital (3, 14, 14)-net over F4, using
- net from sequence [i] based on digital (3, 13)-sequence over F4, using
- Niederreiter–Xing sequence construction II/III [i] based on function field F/F4 with g(F) = 3 and N(F) ≥ 14, using
- net from sequence [i] based on digital (3, 13)-sequence over F4, using
- (u, u+v)-construction [i] based on
- digital (182, 205, 762600)-net over F4, using
- net defined by OOA [i] based on linear OOA(4205, 762600, F4, 23, 23) (dual of [(762600, 23), 17539595, 24]-NRT-code), using
- OOA 11-folding and stacking with additional row [i] based on linear OA(4205, 8388601, F4, 23) (dual of [8388601, 8388396, 24]-code), using
- discarding factors / shortening the dual code based on linear OA(4205, large, F4, 23) (dual of [large, large−205, 24]-code), using
- the primitive expurgated narrow-sense BCH-code C(I) with length 16777215 = 412−1, defining interval I = [0,22], and designed minimum distance d ≥ |I|+1 = 24 [i]
- discarding factors / shortening the dual code based on linear OA(4205, large, F4, 23) (dual of [large, large−205, 24]-code), using
- OOA 11-folding and stacking with additional row [i] based on linear OA(4205, 8388601, F4, 23) (dual of [8388601, 8388396, 24]-code), using
- net defined by OOA [i] based on linear OOA(4205, 762600, F4, 23, 23) (dual of [(762600, 23), 17539595, 24]-NRT-code), using
- digital (10, 21, 28)-net over F4, using
(203, 203+23, 8166072)-Net over F4 — Digital
Digital (203, 226, 8166072)-net over F4, using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OA(4226, 8166072, F4, 23) (dual of [8166072, 8165846, 24]-code), using
- discarding factors / shortening the dual code based on linear OA(4226, large, F4, 23) (dual of [large, large−226, 24]-code), using
- 21 times code embedding in larger space [i] based on linear OA(4205, large, F4, 23) (dual of [large, large−205, 24]-code), using
- the primitive expurgated narrow-sense BCH-code C(I) with length 16777215 = 412−1, defining interval I = [0,22], and designed minimum distance d ≥ |I|+1 = 24 [i]
- 21 times code embedding in larger space [i] based on linear OA(4205, large, F4, 23) (dual of [large, large−205, 24]-code), using
- discarding factors / shortening the dual code based on linear OA(4226, large, F4, 23) (dual of [large, large−226, 24]-code), using
(203, 203+23, large)-Net in Base 4 — Upper bound on s
There is no (203, 226, large)-net in base 4, because
- 21 times m-reduction [i] would yield (203, 205, large)-net in base 4, but