Information on Result #692531
Linear OA(1678, 262, F16, 43) (dual of [262, 184, 44]-code), using construction X applied to C([0,21]) ⊂ C([0,20]) based on
- linear OA(1677, 257, F16, 43) (dual of [257, 180, 44]-code), using the expurgated narrow-sense BCH-code C(I) with length 257 | 164−1, defining interval I = [0,21], and minimum distance d ≥ |{−21,−20,…,21}|+1 = 44 (BCH-bound) [i]
- linear OA(1673, 257, F16, 41) (dual of [257, 184, 42]-code), using the expurgated narrow-sense BCH-code C(I) with length 257 | 164−1, defining interval I = [0,20], and minimum distance d ≥ |{−20,−19,…,20}|+1 = 42 (BCH-bound) [i]
- linear OA(161, 5, F16, 1) (dual of [5, 4, 2]-code), using
- discarding factors / shortening the dual code based on linear OA(161, s, F16, 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 OA(1682, 275, F16, 43) (dual of [275, 193, 44]-code) | [i] | Varšamov–Edel Lengthening | |
| 2 | Linear OOA(1678, 131, F16, 2, 43) (dual of [(131, 2), 184, 44]-NRT-code) | [i] | OOA Folding | |