Information on Result #735656

Linear OA(12878, 2097543, F128, 21) (dual of [2097543, 2097465, 22]-code), using (u, u+v)-construction based on
  1. linear OA(12816, 383, F128, 10) (dual of [383, 367, 11]-code), using
  2. linear OA(12862, 2097160, F128, 21) (dual of [2097160, 2097098, 22]-code), using
    • construction X applied to C([0,10]) ⊂ C([0,9]) [i] based on
      1. linear OA(12861, 2097153, F128, 21) (dual of [2097153, 2097092, 22]-code), using the expurgated narrow-sense BCH-code C(I) with length 2097153 | 1286−1, defining interval I = [0,10], and minimum distance d ≥ |{−10,−9,…,10}|+1 = 22 (BCH-bound) [i]
      2. linear OA(12855, 2097153, F128, 19) (dual of [2097153, 2097098, 20]-code), using the expurgated narrow-sense BCH-code C(I) with length 2097153 | 1286−1, defining interval I = [0,9], and minimum distance d ≥ |{−9,−8,…,9}|+1 = 20 (BCH-bound) [i]
      3. linear OA(1281, 7, F128, 1) (dual of [7, 6, 2]-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:

ResultThis
result
only
Method
1Linear OOA(12878, 1048771, F128, 2, 21) (dual of [(1048771, 2), 2097464, 22]-NRT-code) [i]OOA Folding
2Linear OOA(12878, 699181, F128, 3, 21) (dual of [(699181, 3), 2097465, 22]-NRT-code) [i]