Information on Result #875468
Linear OOA(6487, 684, F64, 2, 45) (dual of [(684, 2), 1281, 46]-NRT-code), using OOA 2-folding based on linear OA(6487, 1368, F64, 45) (dual of [1368, 1281, 46]-code), using
- construction X applied to Ce(44) ⊂ Ce(43) [i] based on
- linear OA(6487, 1366, F64, 45) (dual of [1366, 1279, 46]-code), using an extension Ce(44) of the narrow-sense BCH-code C(I) with length 1365 | 642−1, defining interval I = [1,44], and designed minimum distance d ≥ |I|+1 = 45 [i]
- linear OA(6485, 1366, F64, 44) (dual of [1366, 1281, 45]-code), using an extension Ce(43) of the narrow-sense BCH-code C(I) with length 1365 | 642−1, defining interval I = [1,43], and designed minimum distance d ≥ |I|+1 = 44 [i]
- linear OA(640, 2, F64, 0) (dual of [2, 2, 1]-code), using
- discarding factors / shortening the dual code based on linear OA(640, s, F64, 0) (dual of [s, s, 1]-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(6488, 684, F64, 2, 45) (dual of [(684, 2), 1280, 46]-NRT-code) | [i] | OOA Duplication | |