Best Known (121−32, 121, s)-Nets in Base 16
(121−32, 121, 4096)-Net over F16 — Constructive and digital
Digital (89, 121, 4096)-net over F16, using
- t-expansion [i] based on digital (88, 121, 4096)-net over F16, using
- net defined by OOA [i] based on linear OOA(16121, 4096, F16, 33, 33) (dual of [(4096, 33), 135047, 34]-NRT-code), using
- OOA 16-folding and stacking with additional row [i] based on linear OA(16121, 65537, F16, 33) (dual of [65537, 65416, 34]-code), using
- the expurgated narrow-sense BCH-code C(I) with length 65537 | 168−1, defining interval I = [0,16], and minimum distance d ≥ |{−16,−15,…,16}|+1 = 34 (BCH-bound) [i]
- OOA 16-folding and stacking with additional row [i] based on linear OA(16121, 65537, F16, 33) (dual of [65537, 65416, 34]-code), using
- net defined by OOA [i] based on linear OOA(16121, 4096, F16, 33, 33) (dual of [(4096, 33), 135047, 34]-NRT-code), using
(121−32, 121, 52607)-Net over F16 — Digital
Digital (89, 121, 52607)-net over F16, using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OA(16121, 52607, F16, 32) (dual of [52607, 52486, 33]-code), using
- discarding factors / shortening the dual code based on linear OA(16121, 65540, F16, 32) (dual of [65540, 65419, 33]-code), using
- 1 times truncation [i] based on linear OA(16122, 65541, F16, 33) (dual of [65541, 65419, 34]-code), using
- construction X applied to Ce(32) ⊂ Ce(30) [i] based on
- linear OA(16121, 65536, F16, 33) (dual of [65536, 65415, 34]-code), using an extension Ce(32) of the primitive narrow-sense BCH-code C(I) with length 65535 = 164−1, defining interval I = [1,32], and designed minimum distance d ≥ |I|+1 = 33 [i]
- linear OA(16117, 65536, F16, 31) (dual of [65536, 65419, 32]-code), using an extension Ce(30) of the primitive narrow-sense BCH-code C(I) with length 65535 = 164−1, defining interval I = [1,30], and designed minimum distance d ≥ |I|+1 = 31 [i]
- linear OA(161, 5, F16, 1) (dual of [5, 4, 2]-code), using
- discarding factors / shortening the dual code based on linear OA(161, s, F16, 1) (dual of [s, s−1, 2]-code) with arbitrarily large s, using
- construction X applied to Ce(32) ⊂ Ce(30) [i] based on
- 1 times truncation [i] based on linear OA(16122, 65541, F16, 33) (dual of [65541, 65419, 34]-code), using
- discarding factors / shortening the dual code based on linear OA(16121, 65540, F16, 32) (dual of [65540, 65419, 33]-code), using
(121−32, 121, large)-Net in Base 16 — Upper bound on s
There is no (89, 121, large)-net in base 16, because
- 30 times m-reduction [i] would yield (89, 91, large)-net in base 16, but