Information on Result #1620385
Linear OOA(2254, 460, F2, 5, 46) (dual of [(460, 5), 2046, 47]-NRT-code), using OOA 2-folding based on linear OOA(2254, 920, F2, 3, 46) (dual of [(920, 3), 2506, 47]-NRT-code), using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OOA(2254, 920, F2, 2, 46) (dual of [(920, 2), 1586, 47]-NRT-code), using
- discarding factors / shortening the dual code based on linear OOA(2254, 1029, F2, 2, 46) (dual of [(1029, 2), 1804, 47]-NRT-code), using
- OOA 2-folding [i] based on linear OA(2254, 2058, F2, 46) (dual of [2058, 1804, 47]-code), using
- discarding factors / shortening the dual code based on linear OA(2254, 2059, F2, 46) (dual of [2059, 1805, 47]-code), using
- 1 times truncation [i] based on linear OA(2255, 2060, F2, 47) (dual of [2060, 1805, 48]-code), using
- construction X applied to Ce(46) ⊂ Ce(44) [i] based on
- linear OA(2254, 2048, F2, 47) (dual of [2048, 1794, 48]-code), using an extension Ce(46) of the primitive narrow-sense BCH-code C(I) with length 2047 = 211−1, defining interval I = [1,46], and designed minimum distance d ≥ |I|+1 = 47 [i]
- 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(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(46) ⊂ Ce(44) [i] based on
- 1 times truncation [i] based on linear OA(2255, 2060, F2, 47) (dual of [2060, 1805, 48]-code), using
- discarding factors / shortening the dual code based on linear OA(2254, 2059, F2, 46) (dual of [2059, 1805, 47]-code), using
- OOA 2-folding [i] based on linear OA(2254, 2058, F2, 46) (dual of [2058, 1804, 47]-code), using
- discarding factors / shortening the dual code based on linear OOA(2254, 1029, F2, 2, 46) (dual of [(1029, 2), 1804, 47]-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.