Information on Result #730500

Linear OA(12837, 390, F128, 21) (dual of [390, 353, 22]-code), using construction XX applied to C1 = C([378,16]), C2 = C([0,17]), C3 = C1 + C2 = C([0,16]), and C∩ = C1 ∩ C2 = C([378,17]) based on
  1. linear OA(12833, 381, F128, 20) (dual of [381, 348, 21]-code), using the BCH-code C(I) with length 381 | 1282−1, defining interval I = {−3,−2,…,16}, and designed minimum distance d ≥ |I|+1 = 21 [i]
  2. linear OA(12830, 381, F128, 18) (dual of [381, 351, 19]-code), using the expurgated narrow-sense BCH-code C(I) with length 381 | 1282−1, defining interval I = [0,17], and designed minimum distance d ≥ |I|+1 = 19 [i]
  3. linear OA(12835, 381, F128, 21) (dual of [381, 346, 22]-code), using the BCH-code C(I) with length 381 | 1282−1, defining interval I = {−3,−2,…,17}, and designed minimum distance d ≥ |I|+1 = 22 [i]
  4. linear OA(12828, 381, F128, 17) (dual of [381, 353, 18]-code), using the expurgated narrow-sense BCH-code C(I) with length 381 | 1282−1, defining interval I = [0,16], and designed minimum distance d ≥ |I|+1 = 18 [i]
  5. linear OA(1282, 7, F128, 2) (dual of [7, 5, 3]-code or 7-arc in PG(1,128)), using
  6. linear OA(1280, 2, F128, 0) (dual of [2, 2, 1]-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(12837, 195, F128, 2, 21) (dual of [(195, 2), 353, 22]-NRT-code) [i]OOA Folding