Information on Result #672226
Linear OA(2191, 2097174, F2, 19) (dual of [2097174, 2096983, 20]-code), using construction X applied to Ce(18) ⊂ Ce(16) based on
- linear OA(2190, 2097152, F2, 19) (dual of [2097152, 2096962, 20]-code), using an extension Ce(18) of the primitive narrow-sense BCH-code C(I) with length 2097151 = 221−1, defining interval I = [1,18], and designed minimum distance d ≥ |I|+1 = 19 [i]
- linear OA(2169, 2097152, F2, 17) (dual of [2097152, 2096983, 18]-code), using an extension Ce(16) of the primitive narrow-sense BCH-code C(I) with length 2097151 = 221−1, defining interval I = [1,16], and designed minimum distance d ≥ |I|+1 = 17 [i]
- linear OA(21, 22, F2, 1) (dual of [22, 21, 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 OOA(2191, 1048587, F2, 2, 19) (dual of [(1048587, 2), 2096983, 20]-NRT-code) | [i] | OOA Folding | |
| 2 | Linear OOA(2191, 699058, F2, 3, 19) (dual of [(699058, 3), 2096983, 20]-NRT-code) | [i] | ||
| 3 | Linear OOA(2191, 524293, F2, 4, 19) (dual of [(524293, 4), 2096981, 20]-NRT-code) | [i] | ||
| 4 | Linear OOA(2191, 349529, F2, 6, 19) (dual of [(349529, 6), 2096983, 20]-NRT-code) | [i] | ||
| 5 | Linear OOA(2191, 299596, F2, 7, 19) (dual of [(299596, 7), 2096981, 20]-NRT-code) | [i] | ||
| 6 | Linear OOA(2191, 262146, F2, 8, 19) (dual of [(262146, 8), 2096977, 20]-NRT-code) | [i] | ||
| 7 | Linear OOA(2191, 233019, F2, 19, 19) (dual of [(233019, 19), 4427170, 20]-NRT-code) | [i] | OOA Folding and Stacking with Additional Row | |