Information on Result #672278
Linear OA(2202, 1048597, F2, 21) (dual of [1048597, 1048395, 22]-code), using construction X applied to Ce(20) ⊂ Ce(18) based on
- linear OA(2201, 1048576, F2, 21) (dual of [1048576, 1048375, 22]-code), using an extension Ce(20) of the primitive narrow-sense BCH-code C(I) with length 1048575 = 220−1, defining interval I = [1,20], and designed minimum distance d ≥ |I|+1 = 21 [i]
- linear OA(2181, 1048576, F2, 19) (dual of [1048576, 1048395, 20]-code), using an extension Ce(18) of the primitive narrow-sense BCH-code C(I) with length 1048575 = 220−1, defining interval I = [1,18], and designed minimum distance d ≥ |I|+1 = 19 [i]
- linear OA(21, 21, F2, 1) (dual of [21, 20, 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(2202, 349532, F2, 3, 21) (dual of [(349532, 3), 1048394, 22]-NRT-code) | [i] | OOA Folding | |
| 2 | Linear OOA(2202, 262149, F2, 4, 21) (dual of [(262149, 4), 1048394, 22]-NRT-code) | [i] | ||
| 3 | Linear OOA(2202, 209719, F2, 5, 21) (dual of [(209719, 5), 1048393, 22]-NRT-code) | [i] | ||
| 4 | Linear OOA(2202, 174766, F2, 6, 21) (dual of [(174766, 6), 1048394, 22]-NRT-code) | [i] | ||
| 5 | Linear OOA(2202, 149799, F2, 7, 21) (dual of [(149799, 7), 1048391, 22]-NRT-code) | [i] | ||
| 6 | Linear OOA(2202, 131074, F2, 8, 21) (dual of [(131074, 8), 1048390, 22]-NRT-code) | [i] | ||
| 7 | Linear OOA(2202, 104859, F2, 21, 21) (dual of [(104859, 21), 2201837, 22]-NRT-code) | [i] | OOA Folding and Stacking with Additional Row | |