Best Known (103, 141, s)-Nets in Base 4
(103, 141, 531)-Net over F4 — Constructive and digital
Digital (103, 141, 531)-net over F4, using
- 3 times m-reduction [i] based on digital (103, 144, 531)-net over F4, using
- trace code for nets [i] based on digital (7, 48, 177)-net over F64, using
- net from sequence [i] based on digital (7, 176)-sequence over F64, using
- Niederreiter–Xing sequence construction II/III [i] based on function field F/F64 with g(F) = 7 and N(F) ≥ 177, using
- net from sequence [i] based on digital (7, 176)-sequence over F64, using
- trace code for nets [i] based on digital (7, 48, 177)-net over F64, using
(103, 141, 1018)-Net over F4 — Digital
Digital (103, 141, 1018)-net over F4, using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OA(4141, 1018, F4, 38) (dual of [1018, 877, 39]-code), using
- discarding factors / shortening the dual code based on linear OA(4141, 1023, F4, 38) (dual of [1023, 882, 39]-code), using
- the primitive expurgated narrow-sense BCH-code C(I) with length 1023 = 45−1, defining interval I = [0,37], and designed minimum distance d ≥ |I|+1 = 39 [i]
- discarding factors / shortening the dual code based on linear OA(4141, 1023, F4, 38) (dual of [1023, 882, 39]-code), using
(103, 141, 77611)-Net in Base 4 — Upper bound on s
There is no (103, 141, 77612)-net in base 4, because
- the generalized Rao bound for nets shows that 4m ≥ 7 771194 445413 550802 792805 450128 166539 403963 242625 239859 955126 640441 015526 794827 062790 > 4141 [i]