Information on Result #690287
Linear OA(979, 747, F9, 28) (dual of [747, 668, 29]-code), using construction X applied to Ce(27) ⊂ Ce(22) based on
- linear OA(973, 729, F9, 28) (dual of [729, 656, 29]-code), using an extension Ce(27) of the primitive narrow-sense BCH-code C(I) with length 728 = 93−1, defining interval I = [1,27], and designed minimum distance d ≥ |I|+1 = 28 [i]
- linear OA(961, 729, F9, 23) (dual of [729, 668, 24]-code), using an extension Ce(22) of the primitive narrow-sense BCH-code C(I) with length 728 = 93−1, defining interval I = [1,22], and designed minimum distance d ≥ |I|+1 = 23 [i]
- linear OA(96, 18, F9, 4) (dual of [18, 12, 5]-code), using
- discarding factors / shortening the dual code based on linear OA(96, 72, F9, 4) (dual of [72, 66, 5]-code), using
- 1 times truncation [i] based on linear OA(97, 73, F9, 5) (dual of [73, 66, 6]-code), using
- discarding factors / shortening the dual code based on linear OA(96, 72, F9, 4) (dual of [72, 66, 5]-code), 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(979, 249, F9, 3, 28) (dual of [(249, 3), 668, 29]-NRT-code) | [i] | OOA Folding | |