Best Known (28, 28+16, s)-Nets in Base 8
(28, 28+16, 256)-Net over F8 — Constructive and digital
Digital (28, 44, 256)-net over F8, using
- 2 times m-reduction [i] based on digital (28, 46, 256)-net over F8, using
- trace code for nets [i] based on digital (5, 23, 128)-net over F64, using
- net from sequence [i] based on digital (5, 127)-sequence over F64, using
- Niederreiter–Xing sequence construction II/III [i] based on function field F/F64 with g(F) = 5 and N(F) ≥ 128, using
- net from sequence [i] based on digital (5, 127)-sequence over F64, using
- trace code for nets [i] based on digital (5, 23, 128)-net over F64, using
(28, 28+16, 505)-Net over F8 — Digital
Digital (28, 44, 505)-net over F8, using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OA(844, 505, F8, 16) (dual of [505, 461, 17]-code), using
- discarding factors / shortening the dual code based on linear OA(844, 521, F8, 16) (dual of [521, 477, 17]-code), using
- construction XX applied to C1 = C([509,12]), C2 = C([0,13]), C3 = C1 + C2 = C([0,12]), and C∩ = C1 ∩ C2 = C([509,13]) [i] based on
- linear OA(840, 511, F8, 15) (dual of [511, 471, 16]-code), using the primitive BCH-code C(I) with length 511 = 83−1, defining interval I = {−2,−1,…,12}, and designed minimum distance d ≥ |I|+1 = 16 [i]
- linear OA(837, 511, F8, 14) (dual of [511, 474, 15]-code), using the primitive expurgated narrow-sense BCH-code C(I) with length 511 = 83−1, defining interval I = [0,13], and designed minimum distance d ≥ |I|+1 = 15 [i]
- linear OA(843, 511, F8, 16) (dual of [511, 468, 17]-code), using the primitive BCH-code C(I) with length 511 = 83−1, defining interval I = {−2,−1,…,13}, and designed minimum distance d ≥ |I|+1 = 17 [i]
- linear OA(834, 511, F8, 13) (dual of [511, 477, 14]-code), using the primitive expurgated narrow-sense BCH-code C(I) with length 511 = 83−1, defining interval I = [0,12], and designed minimum distance d ≥ |I|+1 = 14 [i]
- linear OA(81, 7, F8, 1) (dual of [7, 6, 2]-code), using
- discarding factors / shortening the dual code based on linear OA(81, 8, F8, 1) (dual of [8, 7, 2]-code), using
- Reed–Solomon code RS(7,8) [i]
- discarding factors / shortening the dual code based on linear OA(81, 8, F8, 1) (dual of [8, 7, 2]-code), using
- linear OA(80, 3, F8, 0) (dual of [3, 3, 1]-code), using
- discarding factors / shortening the dual code based on linear OA(80, s, F8, 0) (dual of [s, s, 1]-code) with arbitrarily large s, using
- construction XX applied to C1 = C([509,12]), C2 = C([0,13]), C3 = C1 + C2 = C([0,12]), and C∩ = C1 ∩ C2 = C([509,13]) [i] based on
- discarding factors / shortening the dual code based on linear OA(844, 521, F8, 16) (dual of [521, 477, 17]-code), using
(28, 28+16, 514)-Net in Base 8 — Constructive
(28, 44, 514)-net in base 8, using
- base change [i] based on digital (17, 33, 514)-net over F16, using
- 1 times m-reduction [i] based on digital (17, 34, 514)-net over F16, using
- trace code for nets [i] based on digital (0, 17, 257)-net over F256, using
- net from sequence [i] based on digital (0, 256)-sequence over F256, using
- generalized Faure sequence [i]
- Niederreiter–Xing sequence construction II/III [i] based on function field F/F256 with g(F) = 0 and N(F) ≥ 257, using
- the rational function field F256(x) [i]
- Niederreiter sequence [i]
- net from sequence [i] based on digital (0, 256)-sequence over F256, using
- trace code for nets [i] based on digital (0, 17, 257)-net over F256, using
- 1 times m-reduction [i] based on digital (17, 34, 514)-net over F16, using
(28, 28+16, 49836)-Net in Base 8 — Upper bound on s
There is no (28, 44, 49837)-net in base 8, because
- the generalized Rao bound for nets shows that 8m ≥ 5445 058848 248976 977889 134647 161520 415747 > 844 [i]