MinT - Information on Result #2480863

Information on Result #2480863

Linear OOA(2²⁴⁸, 1032, F₂, 2, 45) (dual of [(1032, 2), 1816, 46]-NRT-code), using 2 times NRT-code embedding in larger space based on linear OOA(2²⁴⁴, 1030, F₂, 2, 45) (dual of [(1030, 2), 1816, 46]-NRT-code), using

OOA 2-folding [i] based on linear OA(2²⁴⁴, 2060, F₂, 45) (dual of [2060, 1816, 46]-code), using
- constructionÂ X applied to C_e(44) âŠ‚ C_e(42) [i] based on
  1. linear OA(2²⁴³, 2048, F₂, 45) (dual of [2048, 1805, 46]-code), using an extension C_e(44) of the primitive narrow-sense BCH-code C(I) with length 2047Â = 2¹¹âˆ’1, defining interval IÂ =Â [1,44], and designed minimum distance dÂ â‰¥Â |I|+1Â =Â 45 [i]
  2. linear OA(2²³², 2048, F₂, 43) (dual of [2048, 1816, 44]-code), using an extension C_e(42) of the primitive narrow-sense BCH-code C(I) with length 2047Â = 2¹¹âˆ’1, defining interval IÂ =Â [1,42], and designed minimum distance dÂ â‰¥Â |I|+1Â =Â 43 [i]
  3. linear OA(2¹, 12, F₂, 1) (dual of [12, 11, 2]-code), using
    - discarding factors / shortening the dual code based on linear OA(2¹, s, F₂, 1) (dual of [s, s−1, 2]-code) for arbitrarily large s, using
      - parity-check code [i]

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:

	Result		Method
1	Linear OOA(2²⁴⁸, 897, F₂, 3, 45) (dual of [(897, 3), 2443, 46]-NRT-code)	[i]	Embedding of OOA with Gilbertâ€“VarÅ¡amov Bound
2	Linear OOA(2²⁴⁸, 897, F₂, 4, 45) (dual of [(897, 4), 3340, 46]-NRT-code)	[i]
3	Linear OOA(2²⁴⁸, 897, F₂, 5, 45) (dual of [(897, 5), 4237, 46]-NRT-code)	[i]
4	Linear OOA(2²⁴⁸, 897, F₂, 6, 45) (dual of [(897, 6), 5134, 46]-NRT-code)	[i]
5	Linear OOA(2²⁴⁸, 897, F₂, 7, 45) (dual of [(897, 7), 6031, 46]-NRT-code)	[i]
6	Linear OOA(2²⁴⁸, 897, F₂, 8, 45) (dual of [(897, 8), 6928, 46]-NRT-code)	[i]
7	Digital (203, 248, 897)-net over F₂	[i]