Information on Result #702893
Linear OA(2178, 1040, F2, 37) (dual of [1040, 862, 38]-code), using construction XX applied to C1 = C([1021,32]), C2 = C([0,34]), C3 = C1 + C2 = C([0,32]), and C∩ = C1 ∩ C2 = C([1021,34]) based on
- linear OA(2171, 1023, F2, 35) (dual of [1023, 852, 36]-code), using the primitive BCH-code C(I) with length 1023 = 210−1, defining interval I = {−2,−1,…,32}, and designed minimum distance d ≥ |I|+1 = 36 [i]
- linear OA(2166, 1023, F2, 35) (dual of [1023, 857, 36]-code), using the primitive expurgated narrow-sense BCH-code C(I) with length 1023 = 210−1, defining interval I = [0,34], and designed minimum distance d ≥ |I|+1 = 36 [i]
- linear OA(2176, 1023, F2, 37) (dual of [1023, 847, 38]-code), using the primitive BCH-code C(I) with length 1023 = 210−1, defining interval I = {−2,−1,…,34}, and designed minimum distance d ≥ |I|+1 = 38 [i]
- linear OA(2161, 1023, F2, 33) (dual of [1023, 862, 34]-code), using the primitive expurgated narrow-sense BCH-code C(I) with length 1023 = 210−1, defining interval I = [0,32], and designed minimum distance d ≥ |I|+1 = 34 [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) for arbitrarily large s, using
- linear OA(21, 6, F2, 1) (dual of [6, 5, 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 (see above)
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 OA(2177, 1039, F2, 36) (dual of [1039, 862, 37]-code) | [i] | Truncation | |
| 2 | Linear OOA(2178, 520, F2, 2, 37) (dual of [(520, 2), 862, 38]-NRT-code) | [i] | OOA Folding | |
| 3 | Linear OOA(2178, 346, F2, 3, 37) (dual of [(346, 3), 860, 38]-NRT-code) | [i] | ||
| 4 | Linear OOA(2178, 260, F2, 4, 37) (dual of [(260, 4), 862, 38]-NRT-code) | [i] | ||
| 5 | Linear OOA(2178, 208, F2, 5, 37) (dual of [(208, 5), 862, 38]-NRT-code) | [i] | ||
| 6 | Linear OOA(2178, 173, F2, 6, 37) (dual of [(173, 6), 860, 38]-NRT-code) | [i] | ||
| 7 | Linear OOA(2178, 148, F2, 7, 37) (dual of [(148, 7), 858, 38]-NRT-code) | [i] | ||