Information on Result #1598590
Linear OOA(2237, 947, F2, 4, 42) (dual of [(947, 4), 3551, 43]-NRT-code), using embedding of OOA with Gilbert–Varšamov bound based on linear OOA(2237, 947, F2, 2, 42) (dual of [(947, 2), 1657, 43]-NRT-code), using
- discarding factors / shortening the dual code based on linear OOA(2237, 1037, F2, 2, 42) (dual of [(1037, 2), 1837, 43]-NRT-code), using
- OOA 2-folding [i] based on linear OA(2237, 2074, F2, 42) (dual of [2074, 1837, 43]-code), using
- discarding factors / shortening the dual code based on linear OA(2237, 2075, F2, 42) (dual of [2075, 1838, 43]-code), using
- 1 times truncation [i] based on linear OA(2238, 2076, F2, 43) (dual of [2076, 1838, 44]-code), using
- construction X applied to Ce(42) ⊂ Ce(38) [i] based on
- linear OA(2232, 2048, F2, 43) (dual of [2048, 1816, 44]-code), using an extension Ce(42) of the primitive narrow-sense BCH-code C(I) with length 2047 = 211−1, defining interval I = [1,42], and designed minimum distance d ≥ |I|+1 = 43 [i]
- linear OA(2210, 2048, F2, 39) (dual of [2048, 1838, 40]-code), using an extension Ce(38) of the primitive narrow-sense BCH-code C(I) with length 2047 = 211−1, defining interval I = [1,38], and designed minimum distance d ≥ |I|+1 = 39 [i]
- linear OA(26, 28, F2, 3) (dual of [28, 22, 4]-code or 28-cap in PG(5,2)), using
- discarding factors / shortening the dual code based on linear OA(26, 32, F2, 3) (dual of [32, 26, 4]-code or 32-cap in PG(5,2)), using
- construction X applied to Ce(42) ⊂ Ce(38) [i] based on
- 1 times truncation [i] based on linear OA(2238, 2076, F2, 43) (dual of [2076, 1838, 44]-code), using
- discarding factors / shortening the dual code based on linear OA(2237, 2075, F2, 42) (dual of [2075, 1838, 43]-code), using
- OOA 2-folding [i] based on linear OA(2237, 2074, F2, 42) (dual of [2074, 1837, 43]-code), using
Mode: 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(2237, 473, F2, 7, 42) (dual of [(473, 7), 3074, 43]-NRT-code) | [i] | OOA Folding | |
| 2 | Linear OOA(2237, 473, F2, 8, 42) (dual of [(473, 8), 3547, 43]-NRT-code) | [i] | ||