Best Known (147−29, 147, s)-Nets in Base 2
(147−29, 147, 260)-Net over F2 — Constructive and digital
Digital (118, 147, 260)-net over F2, using
- t-expansion [i] based on digital (117, 147, 260)-net over F2, using
- 1 times m-reduction [i] based on digital (117, 148, 260)-net over F2, using
- trace code for nets [i] based on digital (6, 37, 65)-net over F16, using
- net from sequence [i] based on digital (6, 64)-sequence over F16, using
- Niederreiter–Xing sequence construction II/III [i] based on function field F/F16 with g(F) = 6 and N(F) ≥ 65, using
- the Hermitian function field over F16 [i]
- Niederreiter–Xing sequence construction II/III [i] based on function field F/F16 with g(F) = 6 and N(F) ≥ 65, using
- net from sequence [i] based on digital (6, 64)-sequence over F16, using
- trace code for nets [i] based on digital (6, 37, 65)-net over F16, using
- 1 times m-reduction [i] based on digital (117, 148, 260)-net over F2, using
(147−29, 147, 467)-Net over F2 — Digital
Digital (118, 147, 467)-net over F2, using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OOA(2147, 467, F2, 2, 29) (dual of [(467, 2), 787, 30]-NRT-code), using
- discarding factors / shortening the dual code based on linear OOA(2147, 525, F2, 2, 29) (dual of [(525, 2), 903, 30]-NRT-code), using
- 1 times NRT-code embedding in larger space [i] based on linear OOA(2145, 524, F2, 2, 29) (dual of [(524, 2), 903, 30]-NRT-code), using
- OOA 2-folding [i] based on linear OA(2145, 1048, F2, 29) (dual of [1048, 903, 30]-code), using
- 1 times code embedding in larger space [i] based on linear OA(2144, 1047, F2, 29) (dual of [1047, 903, 30]-code), using
- adding a parity check bit [i] based on linear OA(2143, 1046, F2, 28) (dual of [1046, 903, 29]-code), using
- construction XX applied to C1 = C([1021,24]), C2 = C([1,26]), C3 = C1 + C2 = C([1,24]), and C∩ = C1 ∩ C2 = C([1021,26]) [i] based on
- linear OA(2131, 1023, F2, 27) (dual of [1023, 892, 28]-code), using the primitive BCH-code C(I) with length 1023 = 210−1, defining interval I = {−2,−1,…,24}, and designed minimum distance d ≥ |I|+1 = 28 [i]
- linear OA(2130, 1023, F2, 26) (dual of [1023, 893, 27]-code), using the primitive narrow-sense BCH-code C(I) with length 1023 = 210−1, defining interval I = [1,26], and designed minimum distance d ≥ |I|+1 = 27 [i]
- linear OA(2141, 1023, F2, 29) (dual of [1023, 882, 30]-code), using the primitive BCH-code C(I) with length 1023 = 210−1, defining interval I = {−2,−1,…,26}, and designed minimum distance d ≥ |I|+1 = 30 [i]
- linear OA(2120, 1023, F2, 24) (dual of [1023, 903, 25]-code), using the primitive narrow-sense BCH-code C(I) with length 1023 = 210−1, defining interval I = [1,24], and designed minimum distance d ≥ |I|+1 = 25 [i]
- linear OA(21, 12, F2, 1) (dual of [12, 11, 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), 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 (see above)
- construction XX applied to C1 = C([1021,24]), C2 = C([1,26]), C3 = C1 + C2 = C([1,24]), and C∩ = C1 ∩ C2 = C([1021,26]) [i] based on
- adding a parity check bit [i] based on linear OA(2143, 1046, F2, 28) (dual of [1046, 903, 29]-code), using
- 1 times code embedding in larger space [i] based on linear OA(2144, 1047, F2, 29) (dual of [1047, 903, 30]-code), using
- OOA 2-folding [i] based on linear OA(2145, 1048, F2, 29) (dual of [1048, 903, 30]-code), using
- 1 times NRT-code embedding in larger space [i] based on linear OOA(2145, 524, F2, 2, 29) (dual of [(524, 2), 903, 30]-NRT-code), using
- discarding factors / shortening the dual code based on linear OOA(2147, 525, F2, 2, 29) (dual of [(525, 2), 903, 30]-NRT-code), using
(147−29, 147, 8311)-Net in Base 2 — Upper bound on s
There is no (118, 147, 8312)-net in base 2, because
- 1 times m-reduction [i] would yield (118, 146, 8312)-net in base 2, but
- the generalized Rao bound for nets shows that 2m ≥ 89 213285 561307 503644 024588 151038 908043 285194 > 2146 [i]