MinT - Information on Result #2953816

Information on Result #2953816

Linear OOA(2²³⁵, 2798244, F₂, 7, 12) (dual of [(2798244, 7), 19587473, 13]-NRT-code), using strength reduction based on linear OOA(2²³⁵, 2798244, F₂, 7, 13) (dual of [(2798244, 7), 19587473, 14]-NRT-code), using

(u,Â u+v)-construction [i] based on
1. linear OOA(2⁶⁴, 2097149, F₂, 7, 6) (dual of [(2097149, 7), 14679979, 7]-NRT-code), using
  - OOA stacking with additional row [i] based on linear OOA(2⁶⁴, 2097150, F₂, 3, 6) (dual of [(2097150, 3), 6291386, 7]-NRT-code), using
    - 1 step truncation [i] based on linear OOA(2⁶⁵, 2097151, F₂, 3, 7) (dual of [(2097151, 3), 6291388, 8]-NRT-code), using
      - OOAs constructed from BCH codes [i]
2. linear OOA(2¹⁷¹, 1399122, F₂, 7, 13) (dual of [(1399122, 7), 9793683, 14]-NRT-code), using
  - (u,Â u+v)-construction [i] based on
    1. linear OOA(2³², 1022, F₂, 7, 6) (dual of [(1022, 7), 7122, 7]-NRT-code), using
      - OOA stacking with additional row [i] based on linear OOA(2³², 1023, F₂, 3, 6) (dual of [(1023, 3), 3037, 7]-NRT-code), using
        strength reduction [i] based on linear OOA(2³², 1023, F₂, 3, 7) (dual of [(1023, 3), 3037, 8]-NRT-code), using
        OOAs constructed from BCH codes [i]
    2. linear OOA(2¹³⁹, 1398100, F₂, 7, 13) (dual of [(1398100, 7), 9786561, 14]-NRT-code), using
      - OOA 6-folding and stacking with additional row [i] based on linear OA(2¹³⁹, 8388601, F₂, 13) (dual of [8388601, 8388462, 14]-code), using
        discarding factors / shortening the dual code based on linear OA(2¹³⁹, large, F₂, 13) (dual of [large, large−139, 14]-code), using
        the expurgated narrow-sense BCH-code C(I) with length 8388609Â | 2⁴⁶âˆ’1, defining interval IÂ =Â [0,6], and minimum distance dÂ â‰¥ |{−6,−5,…,6}|+1Â =Â 14 (BCH-bound) [i]

Mode: Constructive and linear.

Optimality

Show details for fixed k and m, k and s, k and t, m and s, m and t.

Other Results with Identical Parameters

None.

Depending Results

None.