Information on Result #1150209
Linear OOA(246, 515, F2, 7, 9) (dual of [(515, 7), 3559, 10]-NRT-code), using OOA 4-folding and stacking with additional row based on linear OA(246, 2061, F2, 9) (dual of [2061, 2015, 10]-code), using
- construction X4 applied to Ce(8) ⊂ Ce(6) [i] based on
- linear OA(245, 2048, F2, 9) (dual of [2048, 2003, 10]-code), using an extension Ce(8) of the primitive narrow-sense BCH-code C(I) with length 2047 = 211−1, defining interval I = [1,8], and designed minimum distance d ≥ |I|+1 = 9 [i]
- linear OA(234, 2048, F2, 7) (dual of [2048, 2014, 8]-code), using an extension Ce(6) of the primitive narrow-sense BCH-code C(I) with length 2047 = 211−1, defining interval I = [1,6], and designed minimum distance d ≥ |I|+1 = 7 [i]
- linear OA(212, 13, F2, 11) (dual of [13, 1, 12]-code), using
- strength reduction [i] based on linear OA(212, 13, F2, 12) (dual of [13, 1, 13]-code or 13-arc in PG(11,2)), using
- dual of repetition code with length 13 [i]
- strength reduction [i] based on linear OA(212, 13, F2, 12) (dual of [13, 1, 13]-code or 13-arc in PG(11,2)), using
- linear OA(21, 13, F2, 1) (dual of [13, 12, 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(246, 515, F2, 7, 8) (dual of [(515, 7), 3559, 9]-NRT-code) | [i] | Strength Reduction for OOAs | |
| 2 | Linear OOA(247, 515, F2, 7, 9) (dual of [(515, 7), 3558, 10]-NRT-code) | [i] | OOA Duplication | |
| 3 | Linear OOA(248, 515, F2, 7, 9) (dual of [(515, 7), 3557, 10]-NRT-code) | [i] | ||
| 4 | Linear OOA(2253, 1198886, F2, 7, 18) (dual of [(1198886, 7), 8391949, 19]-NRT-code) | [i] | (u, u+v)-Construction for OOAs | |
| 5 | Linear OOA(2254, 1198886, F2, 7, 19) (dual of [(1198886, 7), 8391948, 20]-NRT-code) | [i] | ||