Information on Result #1657799
Linear OOA(2224, 487, F2, 6, 39) (dual of [(487, 6), 2698, 40]-NRT-code), using OOA 2-folding based on linear OOA(2224, 974, F2, 3, 39) (dual of [(974, 3), 2698, 40]-NRT-code), using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OOA(2224, 974, F2, 2, 39) (dual of [(974, 2), 1724, 40]-NRT-code), using
- discarding factors / shortening the dual code based on linear OOA(2224, 1047, F2, 2, 39) (dual of [(1047, 2), 1870, 40]-NRT-code), using
- 21 times duplication [i] based on linear OOA(2223, 1047, F2, 2, 39) (dual of [(1047, 2), 1871, 40]-NRT-code), using
- OOA 2-folding [i] based on linear OA(2223, 2094, F2, 39) (dual of [2094, 1871, 40]-code), using
- construction X applied to Ce(38) ⊂ Ce(32) [i] based on
- linear OA(2210, 2048, F2, 39) (dual of [2048, 1838, 40]-code), using an extension Ce(38) of the primitive narrow-sense BCH-code C(I) with length 2047 = 211−1, defining interval I = [1,38], and designed minimum distance d ≥ |I|+1 = 39 [i]
- linear OA(2177, 2048, F2, 33) (dual of [2048, 1871, 34]-code), using an extension Ce(32) of the primitive narrow-sense BCH-code C(I) with length 2047 = 211−1, defining interval I = [1,32], and designed minimum distance d ≥ |I|+1 = 33 [i]
- linear OA(213, 46, F2, 5) (dual of [46, 33, 6]-code), using
- discarding factors / shortening the dual code based on linear OA(213, 63, F2, 5) (dual of [63, 50, 6]-code), using
- the primitive expurgated narrow-sense BCH-code C(I) with length 63 = 26−1, defining interval I = [0,3], and designed minimum distance d ≥ |I|+1 = 6 [i]
- discarding factors / shortening the dual code based on linear OA(213, 63, F2, 5) (dual of [63, 50, 6]-code), using
- construction X applied to Ce(38) ⊂ Ce(32) [i] based on
- OOA 2-folding [i] based on linear OA(2223, 2094, F2, 39) (dual of [2094, 1871, 40]-code), using
- 21 times duplication [i] based on linear OOA(2223, 1047, F2, 2, 39) (dual of [(1047, 2), 1871, 40]-NRT-code), using
- discarding factors / shortening the dual code based on linear OOA(2224, 1047, F2, 2, 39) (dual of [(1047, 2), 1870, 40]-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.