MinT - Information on Result #1079689

Information on Result #1079689

Linear OOA(2²⁴⁹, 4227064, F₂, 4, 12) (dual of [(4227064, 4), 16908007, 13]-NRT-code), using (u,Â u+v)-construction based on

linear OOA(2⁶⁷, 4194301, F₂, 4, 6) (dual of [(4194301, 4), 16777137, 7]-NRT-code), using
- OOA stacking with additional row [i] based on linear OOA(2⁶⁷, 4194302, F₂, 3, 6) (dual of [(4194302, 3), 12582839, 7]-NRT-code), using
  - 1 step truncation [i] based on linear OOA(2⁶⁸, 4194303, F₂, 3, 7) (dual of [(4194303, 3), 12582841, 8]-NRT-code), using
    - OOAs constructed from BCH codes [i]
linear OOA(2¹⁸², 2113532, F₂, 4, 12) (dual of [(2113532, 4), 8453946, 13]-NRT-code), using
- (u,Â u+v)-construction [i] based on
  1. linear OOA(2⁴⁴, 16382, F₂, 4, 6) (dual of [(16382, 4), 65484, 7]-NRT-code), using
    - OOA stacking with additional row [i] based on linear OOA(2⁴⁴, 16383, F₂, 3, 6) (dual of [(16383, 3), 49105, 7]-NRT-code), using
      - strength reduction [i] based on linear OOA(2⁴⁴, 16383, F₂, 3, 7) (dual of [(16383, 3), 49105, 8]-NRT-code), using
        OOAs constructed from BCH codes [i]
  2. linear OOA(2¹³⁸, 2097150, F₂, 4, 12) (dual of [(2097150, 4), 8388462, 13]-NRT-code), using
    - OOA 4-folding [i] based on linear OA(2¹³⁸, 8388600, F₂, 12) (dual of [8388600, 8388462, 13]-code), using
      - discarding factors / shortening the dual code based on linear OA(2¹³⁸, large, F₂, 12) (dual of [large, large−138, 13]-code), using
        the primitive narrow-sense BCH-code C(I) with length 8388607Â = 2²³âˆ’1, defining interval IÂ =Â [1,12], and designed minimum distance dÂ â‰¥Â |I|+1Â =Â 13 [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.