Information on Result #1604664
Linear OOA(3142, 19690, F3, 4, 21) (dual of [(19690, 4), 78618, 22]-NRT-code), using embedding of OOA with Gilbert–Varšamov bound based on linear OOA(3142, 19690, F3, 3, 21) (dual of [(19690, 3), 58928, 22]-NRT-code), using
- OOA 3-folding [i] based on linear OA(3142, 59070, F3, 21) (dual of [59070, 58928, 22]-code), using
- discarding factors / shortening the dual code based on linear OA(3142, 59071, F3, 21) (dual of [59071, 58929, 22]-code), using
- construction X applied to C([0,10]) ⊂ C([0,9]) [i] based on
- linear OA(3141, 59050, F3, 21) (dual of [59050, 58909, 22]-code), using the expurgated narrow-sense BCH-code C(I) with length 59050 | 320−1, defining interval I = [0,10], and minimum distance d ≥ |{−10,−9,…,10}|+1 = 22 (BCH-bound) [i]
- linear OA(3121, 59050, F3, 19) (dual of [59050, 58929, 20]-code), using the expurgated narrow-sense BCH-code C(I) with length 59050 | 320−1, defining interval I = [0,9], and minimum distance d ≥ |{−9,−8,…,9}|+1 = 20 (BCH-bound) [i]
- linear OA(31, 21, F3, 1) (dual of [21, 20, 2]-code), using
- discarding factors / shortening the dual code based on linear OA(31, s, F3, 1) (dual of [s, s−1, 2]-code) for arbitrarily large s, using
- construction X applied to C([0,10]) ⊂ C([0,9]) [i] based on
- discarding factors / shortening the dual code based on linear OA(3142, 59071, F3, 21) (dual of [59071, 58929, 22]-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.