Information on Result #1639221
Linear OOA(2245, 923, F2, 5, 44) (dual of [(923, 5), 4370, 45]-NRT-code), using embedding of OOA with Gilbert–Varšamov bound based on linear OOA(2245, 923, F2, 2, 44) (dual of [(923, 2), 1601, 45]-NRT-code), using
- discarding factors / shortening the dual code based on linear OOA(2245, 1030, F2, 2, 44) (dual of [(1030, 2), 1815, 45]-NRT-code), using
- 21 times duplication [i] based on linear OOA(2244, 1030, F2, 2, 44) (dual of [(1030, 2), 1816, 45]-NRT-code), using
- OOA 2-folding [i] based on linear OA(2244, 2060, F2, 44) (dual of [2060, 1816, 45]-code), using
- strength reduction [i] based on linear OA(2244, 2060, F2, 45) (dual of [2060, 1816, 46]-code), using
- construction X applied to Ce(44) ⊂ Ce(42) [i] based on
- linear OA(2243, 2048, F2, 45) (dual of [2048, 1805, 46]-code), using an extension Ce(44) of the primitive narrow-sense BCH-code C(I) with length 2047 = 211−1, defining interval I = [1,44], and designed minimum distance d ≥ |I|+1 = 45 [i]
- linear OA(2232, 2048, F2, 43) (dual of [2048, 1816, 44]-code), using an extension Ce(42) of the primitive narrow-sense BCH-code C(I) with length 2047 = 211−1, defining interval I = [1,42], and designed minimum distance d ≥ |I|+1 = 43 [i]
- 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
- construction X applied to Ce(44) ⊂ Ce(42) [i] based on
- strength reduction [i] based on linear OA(2244, 2060, F2, 45) (dual of [2060, 1816, 46]-code), using
- OOA 2-folding [i] based on linear OA(2244, 2060, F2, 44) (dual of [2060, 1816, 45]-code), using
- 21 times duplication [i] based on linear OOA(2244, 1030, F2, 2, 44) (dual of [(1030, 2), 1816, 45]-NRT-code), using
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.