Information on Result #810333
Linear OOA(2145, 83, F2, 2, 60) (dual of [(83, 2), 21, 61]-NRT-code), using OOA 2-folding based on linear OA(2145, 166, F2, 60) (dual of [166, 21, 61]-code), using
- construction XX applied to C1 = C({0,1,3,5,7,9,11,13,15,19,21,23,27,29,31,43,63}), C2 = C([1,47]), C3 = C1 + C2 = C([1,43]), and C∩ = C1 ∩ C2 = C({0,1,3,5,7,9,11,13,15,19,21,23,27,29,31,43,47,63}) [i] based on
- linear OA(2113, 127, F2, 51) (dual of [127, 14, 52]-code), using the primitive cyclic code C(A) with length 127 = 27−1, defining set A = {0,1,3,5,7,9,11,13,15,19,21,23,27,29,31,43,63}, and minimum distance d ≥ |{−4,−3,…,46}|+1 = 52 (BCH-bound) [i]
- linear OA(2112, 127, F2, 54) (dual of [127, 15, 55]-code), using the primitive narrow-sense BCH-code C(I) with length 127 = 27−1, defining interval I = [1,47], and designed minimum distance d ≥ |I|+1 = 55 [i]
- linear OA(2120, 127, F2, 63) (dual of [127, 7, 64]-code), using the primitive cyclic code C(A) with length 127 = 27−1, defining set A = {0,1,3,5,7,9,11,13,15,19,21,23,27,29,31,43,47,63}, and minimum distance d ≥ |{0,9,18,…,50}|+1 = 64 (BCH-bound) [i]
- linear OA(2105, 127, F2, 46) (dual of [127, 22, 47]-code), using the primitive narrow-sense BCH-code C(I) with length 127 = 27−1, defining interval I = [1,43], and designed minimum distance d ≥ |I|+1 = 47 [i]
- linear OA(29, 17, F2, 5) (dual of [17, 8, 6]-code), using
- discarding factors / shortening the dual code based on linear OA(29, 18, F2, 5) (dual of [18, 9, 6]-code), using
- extended quadratic residue code Qe(18,2) [i]
- discarding factors / shortening the dual code based on linear OA(29, 18, F2, 5) (dual of [18, 9, 6]-code), using
- linear OA(216, 22, F2, 8) (dual of [22, 6, 9]-code), using
- 1 times truncation [i] based on linear OA(217, 23, F2, 9) (dual of [23, 6, 10]-code), using
- construction X applied to C2 ⊂ C1 [i] based on
- 1 times truncation [i] based on linear OA(217, 23, F2, 9) (dual of [23, 6, 10]-code), using
Mode: Constructive and 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.