Information on Result #701889
Linear OA(2137, 287, F2, 35) (dual of [287, 150, 36]-code), using construction XX applied to C1 = C([239,16]), C2 = C([237,10]), C3 = C1 + C2 = C([239,10]), and C∩ = C1 ∩ C2 = C([237,16]) based on
- linear OA(2121, 255, F2, 33) (dual of [255, 134, 34]-code), using the primitive BCH-code C(I) with length 255 = 28−1, defining interval I = {−16,−15,…,16}, and designed minimum distance d ≥ |I|+1 = 34 [i]
- linear OA(2109, 255, F2, 29) (dual of [255, 146, 30]-code), using the primitive BCH-code C(I) with length 255 = 28−1, defining interval I = {−18,−17,…,10}, and designed minimum distance d ≥ |I|+1 = 30 [i]
- linear OA(2125, 255, F2, 35) (dual of [255, 130, 36]-code), using the primitive BCH-code C(I) with length 255 = 28−1, defining interval I = {−18,−17,…,16}, and designed minimum distance d ≥ |I|+1 = 36 [i]
- linear OA(2105, 255, F2, 27) (dual of [255, 150, 28]-code), using the primitive BCH-code C(I) with length 255 = 28−1, defining interval I = {−16,−15,…,10}, and designed minimum distance d ≥ |I|+1 = 28 [i]
- linear OA(211, 27, F2, 5) (dual of [27, 16, 6]-code), using
- discarding factors / shortening the dual code based on linear OA(211, 32, F2, 5) (dual of [32, 21, 6]-code), using
- an extension Ce(4) of the primitive narrow-sense BCH-code C(I) with length 31 = 25−1, defining interval I = [1,4], and designed minimum distance d ≥ |I|+1 = 5 [i]
- discarding factors / shortening the dual code based on linear OA(211, 32, F2, 5) (dual of [32, 21, 6]-code), using
- linear OA(21, 5, F2, 1) (dual of [5, 4, 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
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(2137, 287, F2, 34) (dual of [287, 150, 35]-code) | [i] | Strength Reduction | |
| 2 | Linear OA(2138, 288, F2, 35) (dual of [288, 150, 36]-code) | [i] | Code Embedding in Larger Space | |
| 3 | Linear OA(2139, 289, F2, 35) (dual of [289, 150, 36]-code) | [i] | ||
| 4 | Linear OA(2136, 286, F2, 34) (dual of [286, 150, 35]-code) | [i] | Truncation | |
| 5 | Linear OOA(2137, 143, F2, 2, 35) (dual of [(143, 2), 149, 36]-NRT-code) | [i] | OOA Folding | |
| 6 | Linear OOA(2137, 95, F2, 3, 35) (dual of [(95, 3), 148, 36]-NRT-code) | [i] | ||