Information on Result #806745
Linear OOA(287, 136, F2, 2, 23) (dual of [(136, 2), 185, 24]-NRT-code), using OOA 2-folding based on linear OA(287, 272, F2, 23) (dual of [272, 185, 24]-code), using
- discarding factors / shortening the dual code based on linear OA(287, 273, F2, 23) (dual of [273, 186, 24]-code), using
- construction XX applied to C1 = C([253,18]), C2 = C([0,20]), C3 = C1 + C2 = C([0,18]), and C∩ = C1 ∩ C2 = C([253,20]) [i] based on
- linear OA(277, 255, F2, 21) (dual of [255, 178, 22]-code), using the primitive BCH-code C(I) with length 255 = 28−1, defining interval I = {−2,−1,…,18}, and designed minimum distance d ≥ |I|+1 = 22 [i]
- linear OA(277, 255, F2, 21) (dual of [255, 178, 22]-code), using the primitive expurgated narrow-sense BCH-code C(I) with length 255 = 28−1, defining interval I = [0,20], and designed minimum distance d ≥ |I|+1 = 22 [i]
- linear OA(285, 255, F2, 23) (dual of [255, 170, 24]-code), using the primitive BCH-code C(I) with length 255 = 28−1, defining interval I = {−2,−1,…,20}, and designed minimum distance d ≥ |I|+1 = 24 [i]
- linear OA(269, 255, F2, 19) (dual of [255, 186, 20]-code), using the primitive expurgated narrow-sense BCH-code C(I) with length 255 = 28−1, defining interval I = [0,18], and designed minimum distance d ≥ |I|+1 = 20 [i]
- linear OA(21, 9, F2, 1) (dual of [9, 8, 2]-code), using
- discarding factors / shortening the dual code based on linear OA(21, s, F2, 1) (dual of [s, s−1, 2]-code) for arbitrarily large s, using
- linear OA(21, 9, F2, 1) (dual of [9, 8, 2]-code) (see above)
- construction XX applied to C1 = C([253,18]), C2 = C([0,20]), C3 = C1 + C2 = C([0,18]), and C∩ = C1 ∩ C2 = C([253,20]) [i] based on
Mode: Constructive and linear.
Optimality
Show details for fixed k and m, n and k, k and s, k and t, n and m, m and s, m and t, n and s, n and t.
Other Results with Identical Parameters
None.
Depending Results
The following results depend on this result:
| Result | This result only | Method | ||
|---|---|---|---|---|
| 1 | Linear OOA(287, 132, F2, 3, 23) (dual of [(132, 3), 309, 24]-NRT-code) | [i] | Embedding of OOA with Gilbert–Varšamov Bound | |
| 2 | Linear OOA(287, 132, F2, 4, 23) (dual of [(132, 4), 441, 24]-NRT-code) | [i] | ||
| 3 | Linear OOA(287, 132, F2, 5, 23) (dual of [(132, 5), 573, 24]-NRT-code) | [i] | ||
| 4 | Linear OOA(287, 132, F2, 6, 23) (dual of [(132, 6), 705, 24]-NRT-code) | [i] | ||
| 5 | Linear OOA(287, 132, F2, 7, 23) (dual of [(132, 7), 837, 24]-NRT-code) | [i] | ||
| 6 | Linear OOA(287, 132, F2, 8, 23) (dual of [(132, 8), 969, 24]-NRT-code) | [i] | ||
| 7 | Digital (64, 87, 132)-net over F2 | [i] | ||