MinT - Information on Result #1638980

Information on Result #1638980

Linear OOA(2²⁴², 1562, F₂, 5, 38) (dual of [(1562, 5), 7568, 39]-NRT-code), using embedding of OOA with Gilbertâ€“VarÅ¡amov bound based on linear OOA(2²⁴², 1562, F₂, 2, 38) (dual of [(1562, 2), 2882, 39]-NRT-code), using

discarding factors / shortening the dual code based on linear OOA(2²⁴², 2072, F₂, 2, 38) (dual of [(2072, 2), 3902, 39]-NRT-code), using
- 2¹ times duplication [i] based on linear OOA(2²⁴¹, 2072, F₂, 2, 38) (dual of [(2072, 2), 3903, 39]-NRT-code), using
  - OOA 2-folding [i] based on linear OA(2²⁴¹, 4144, F₂, 38) (dual of [4144, 3903, 39]-code), using
    - strength reduction [i] based on linear OA(2²⁴¹, 4144, F₂, 39) (dual of [4144, 3903, 40]-code), using
      - constructionÂ X applied to C_e(38) âŠ‚ C_e(32) [i] based on
        linear OA(2²²⁹, 4096, F₂, 39) (dual of [4096, 3867, 40]-code), using an extension C_e(38) of the primitive narrow-sense BCH-code C(I) with length 4095Â = 2¹²âˆ’1, defining interval IÂ =Â [1,38], and designed minimum distance dÂ â‰¥Â |I|+1Â =Â 39 [i]
        linear OA(2¹⁹³, 4096, F₂, 33) (dual of [4096, 3903, 34]-code), using an extension C_e(32) of the primitive narrow-sense BCH-code C(I) with length 4095Â = 2¹²âˆ’1, defining interval IÂ =Â [1,32], and designed minimum distance dÂ â‰¥Â |I|+1Â =Â 33 [i]
        linear OA(2¹², 48, F₂, 5) (dual of [48, 36, 6]-code), using
        adding a parity check bit [i] based on linear OA(2¹¹, 47, F₂, 4) (dual of [47, 36, 5]-code), using
        extracting embedded orthogonal array [i] based on digital (7, 11, 47)-net over F₂, using
        linear code embedding found in a computer search [i]

Mode: 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

None.