Information on Result #1674777
Linear OOA(2177, 469, F2, 7, 30) (dual of [(469, 7), 3106, 31]-NRT-code), using OOA 2-folding based on linear OOA(2177, 938, F2, 4, 30) (dual of [(938, 4), 3575, 31]-NRT-code), using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OOA(2177, 938, F2, 2, 30) (dual of [(938, 2), 1699, 31]-NRT-code), using
- discarding factors / shortening the dual code based on linear OOA(2177, 1046, F2, 2, 30) (dual of [(1046, 2), 1915, 31]-NRT-code), using
- OOA 2-folding [i] based on linear OA(2177, 2092, F2, 30) (dual of [2092, 1915, 31]-code), using
- 1 times truncation [i] based on linear OA(2178, 2093, F2, 31) (dual of [2093, 1915, 32]-code), using
- construction X applied to Ce(30) ⊂ Ce(24) [i] based on
- linear OA(2166, 2048, F2, 31) (dual of [2048, 1882, 32]-code), using an extension Ce(30) of the primitive narrow-sense BCH-code C(I) with length 2047 = 211−1, defining interval I = [1,30], and designed minimum distance d ≥ |I|+1 = 31 [i]
- linear OA(2133, 2048, F2, 25) (dual of [2048, 1915, 26]-code), using an extension Ce(24) of the primitive narrow-sense BCH-code C(I) with length 2047 = 211−1, defining interval I = [1,24], and designed minimum distance d ≥ |I|+1 = 25 [i]
- linear OA(212, 45, F2, 5) (dual of [45, 33, 6]-code), using
- discarding factors / shortening the dual code based on 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
- adding a parity check bit [i] based on linear OA(211, 47, F2, 4) (dual of [47, 36, 5]-code), using
- discarding factors / shortening the dual code based on linear OA(212, 48, F2, 5) (dual of [48, 36, 6]-code), using
- construction X applied to Ce(30) ⊂ Ce(24) [i] based on
- 1 times truncation [i] based on linear OA(2178, 2093, F2, 31) (dual of [2093, 1915, 32]-code), using
- OOA 2-folding [i] based on linear OA(2177, 2092, F2, 30) (dual of [2092, 1915, 31]-code), using
- discarding factors / shortening the dual code based on linear OOA(2177, 1046, F2, 2, 30) (dual of [(1046, 2), 1915, 31]-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.