Information on Result #2258727
Linear OA(2160, 32808, F2, 21) (dual of [32808, 32648, 22]-code), using 2 times code embedding in larger space based on linear OA(2158, 32806, F2, 21) (dual of [32806, 32648, 22]-code), using
- construction X applied to C([0,10]) ⊂ C([0,8]) [i] based on
- linear OA(2151, 32769, F2, 21) (dual of [32769, 32618, 22]-code), using the expurgated narrow-sense BCH-code C(I) with length 32769 | 230−1, defining interval I = [0,10], and minimum distance d ≥ |{−10,−9,…,10}|+1 = 22 (BCH-bound) [i]
- linear OA(2121, 32769, F2, 17) (dual of [32769, 32648, 18]-code), using the expurgated narrow-sense BCH-code C(I) with length 32769 | 230−1, defining interval I = [0,8], and minimum distance d ≥ |{−8,−7,…,8}|+1 = 18 (BCH-bound) [i]
- linear OA(27, 37, F2, 3) (dual of [37, 30, 4]-code or 37-cap in PG(6,2)), using
- discarding factors / shortening the dual code based on linear OA(27, 63, F2, 3) (dual of [63, 56, 4]-code or 63-cap in PG(6,2)), using
- the primitive expurgated narrow-sense BCH-code C(I) with length 63 = 26−1, defining interval I = [0,1], and designed minimum distance d ≥ |I|+1 = 4 [i]
- discarding factors / shortening the dual code based on linear OA(27, 63, F2, 3) (dual of [63, 56, 4]-code or 63-cap in PG(6,2)), 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(2160, 10936, F2, 3, 21) (dual of [(10936, 3), 32648, 22]-NRT-code) | [i] | OOA Folding | |
| 2 | Linear OOA(2160, 8202, F2, 4, 21) (dual of [(8202, 4), 32648, 22]-NRT-code) | [i] | ||
| 3 | Linear OOA(2160, 5468, F2, 6, 21) (dual of [(5468, 6), 32648, 22]-NRT-code) | [i] | ||
| 4 | Linear OOA(2160, 4101, F2, 8, 21) (dual of [(4101, 8), 32648, 22]-NRT-code) | [i] | ||