Information on Result #1675312
Linear OOA(2233, 439, F2, 7, 42) (dual of [(439, 7), 2840, 43]-NRT-code), using OOA 2-folding based on linear OOA(2233, 878, F2, 4, 42) (dual of [(878, 4), 3279, 43]-NRT-code), using
- discarding factors / shortening the dual code based on linear OOA(2233, 879, F2, 4, 42) (dual of [(879, 4), 3283, 43]-NRT-code), using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OOA(2233, 879, F2, 2, 42) (dual of [(879, 2), 1525, 43]-NRT-code), using
- discarding factors / shortening the dual code based on linear OOA(2233, 1030, F2, 2, 42) (dual of [(1030, 2), 1827, 43]-NRT-code), using
- OOA 2-folding [i] based on linear OA(2233, 2060, F2, 42) (dual of [2060, 1827, 43]-code), using
- strength reduction [i] based on linear OA(2233, 2060, F2, 43) (dual of [2060, 1827, 44]-code), using
- construction X applied to Ce(42) ⊂ Ce(40) [i] based on
- 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(2221, 2048, F2, 41) (dual of [2048, 1827, 42]-code), using an extension Ce(40) of the primitive narrow-sense BCH-code C(I) with length 2047 = 211−1, defining interval I = [1,40], and designed minimum distance d ≥ |I|+1 = 41 [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(42) ⊂ Ce(40) [i] based on
- strength reduction [i] based on linear OA(2233, 2060, F2, 43) (dual of [2060, 1827, 44]-code), using
- OOA 2-folding [i] based on linear OA(2233, 2060, F2, 42) (dual of [2060, 1827, 43]-code), using
- discarding factors / shortening the dual code based on linear OOA(2233, 1030, F2, 2, 42) (dual of [(1030, 2), 1827, 43]-NRT-code), using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OOA(2233, 879, F2, 2, 42) (dual of [(879, 2), 1525, 43]-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.