Information on Result #735611

Linear OA(12858, 16540, F128, 23) (dual of [16540, 16482, 24]-code), using (u, u+v)-construction based on
  1. linear OA(12812, 150, F128, 11) (dual of [150, 138, 12]-code), using
  2. linear OA(12846, 16390, F128, 23) (dual of [16390, 16344, 24]-code), using
    • construction X applied to C([0,11]) ⊂ C([0,10]) [i] based on
      1. linear OA(12845, 16385, F128, 23) (dual of [16385, 16340, 24]-code), using the expurgated narrow-sense BCH-code C(I) with length 16385 | 1284−1, defining interval I = [0,11], and minimum distance d ≥ |{−11,−10,…,11}|+1 = 24 (BCH-bound) [i]
      2. linear OA(12841, 16385, F128, 21) (dual of [16385, 16344, 22]-code), using the expurgated narrow-sense BCH-code C(I) with length 16385 | 1284−1, defining interval I = [0,10], and minimum distance d ≥ |{−10,−9,…,10}|+1 = 22 (BCH-bound) [i]
      3. linear OA(1281, 5, F128, 1) (dual of [5, 4, 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(12858, 8270, F128, 2, 23) (dual of [(8270, 2), 16482, 24]-NRT-code) [i]OOA Folding
2Linear OOA(12858, 5513, F128, 3, 23) (dual of [(5513, 3), 16481, 24]-NRT-code) [i]