Best Known (82, 82+20, s)-Nets in Base 2
(82, 82+20, 196)-Net over F2 — Constructive and digital
Digital (82, 102, 196)-net over F2, using
- 22 times duplication [i] based on digital (80, 100, 196)-net over F2, using
- trace code for nets [i] based on digital (5, 25, 49)-net over F16, using
- net from sequence [i] based on digital (5, 48)-sequence over F16, using
- Niederreiter–Xing sequence construction II/III [i] based on function field F/F16 with g(F) = 5 and N(F) ≥ 49, using
- net from sequence [i] based on digital (5, 48)-sequence over F16, using
- trace code for nets [i] based on digital (5, 25, 49)-net over F16, using
(82, 82+20, 400)-Net over F2 — Digital
Digital (82, 102, 400)-net over F2, using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OOA(2102, 400, F2, 2, 20) (dual of [(400, 2), 698, 21]-NRT-code), using
- discarding factors / shortening the dual code based on linear OOA(2102, 522, F2, 2, 20) (dual of [(522, 2), 942, 21]-NRT-code), using
- OOA 2-folding [i] based on linear OA(2102, 1044, F2, 20) (dual of [1044, 942, 21]-code), using
- 1 times truncation [i] based on linear OA(2103, 1045, F2, 21) (dual of [1045, 942, 22]-code), using
- construction XX applied to C1 = C([1021,16]), C2 = C([0,18]), C3 = C1 + C2 = C([0,16]), and C∩ = C1 ∩ C2 = C([1021,18]) [i] based on
- linear OA(291, 1023, F2, 19) (dual of [1023, 932, 20]-code), using the primitive BCH-code C(I) with length 1023 = 210−1, defining interval I = {−2,−1,…,16}, and designed minimum distance d ≥ |I|+1 = 20 [i]
- linear OA(291, 1023, F2, 19) (dual of [1023, 932, 20]-code), using the primitive expurgated narrow-sense BCH-code C(I) with length 1023 = 210−1, defining interval I = [0,18], and designed minimum distance d ≥ |I|+1 = 20 [i]
- linear OA(2101, 1023, F2, 21) (dual of [1023, 922, 22]-code), using the primitive BCH-code C(I) with length 1023 = 210−1, defining interval I = {−2,−1,…,18}, and designed minimum distance d ≥ |I|+1 = 22 [i]
- linear OA(281, 1023, F2, 17) (dual of [1023, 942, 18]-code), using the primitive expurgated narrow-sense BCH-code C(I) with length 1023 = 210−1, defining interval I = [0,16], and designed minimum distance d ≥ |I|+1 = 18 [i]
- linear OA(21, 11, F2, 1) (dual of [11, 10, 2]-code), using
- discarding factors / shortening the dual code based on linear OA(21, s, F2, 1) (dual of [s, s−1, 2]-code) with arbitrarily large s, using
- linear OA(21, 11, F2, 1) (dual of [11, 10, 2]-code) (see above)
- construction XX applied to C1 = C([1021,16]), C2 = C([0,18]), C3 = C1 + C2 = C([0,16]), and C∩ = C1 ∩ C2 = C([1021,18]) [i] based on
- 1 times truncation [i] based on linear OA(2103, 1045, F2, 21) (dual of [1045, 942, 22]-code), using
- OOA 2-folding [i] based on linear OA(2102, 1044, F2, 20) (dual of [1044, 942, 21]-code), using
- discarding factors / shortening the dual code based on linear OOA(2102, 522, F2, 2, 20) (dual of [(522, 2), 942, 21]-NRT-code), using
(82, 82+20, 5312)-Net in Base 2 — Upper bound on s
There is no (82, 102, 5313)-net in base 2, because
- the generalized Rao bound for nets shows that 2m ≥ 5 075246 833296 485644 824298 980928 > 2102 [i]