Information on Result #950869
Linear OOA(2168, 60, F2, 3, 81) (dual of [(60, 3), 12, 82]-NRT-code), using OOA 3-folding based on linear OA(2168, 180, F2, 81) (dual of [180, 12, 82]-code), using
- concatenation of two codes [i] based on
- linear OA(454, 60, F4, 40) (dual of [60, 6, 41]-code), using
- discarding factors / shortening the dual code based on linear OA(454, 62, F4, 40) (dual of [62, 8, 41]-code), using
- 3 times truncation [i] based on linear OA(457, 65, F4, 43) (dual of [65, 8, 44]-code), using
- the expurgated narrow-sense BCH-code C(I) with length 65 | 46−1, defining interval I = [0,21], and minimum distance d ≥ |{−21,−20,…,21}|+1 = 44 (BCH-bound) [i]
- 3 times truncation [i] based on linear OA(457, 65, F4, 43) (dual of [65, 8, 44]-code), using
- discarding factors / shortening the dual code based on linear OA(454, 62, F4, 40) (dual of [62, 8, 41]-code), using
- linear OA(21, 3, F2, 1) (dual of [3, 2, 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
- linear OA(454, 60, F4, 40) (dual of [60, 6, 41]-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.