Information on Result #1683475
Linear OOA(2176, 21849, F2, 7, 21) (dual of [(21849, 7), 152767, 22]-NRT-code), using embedding of OOA with Gilbert–Varšamov bound based on linear OOA(2176, 21849, F2, 6, 21) (dual of [(21849, 6), 130918, 22]-NRT-code), using
- OOA 6-folding [i] based on linear OA(2176, 131094, F2, 21) (dual of [131094, 130918, 22]-code), using
- 4 times code embedding in larger space [i] based on linear OA(2172, 131090, F2, 21) (dual of [131090, 130918, 22]-code), using
- construction X applied to Ce(20) ⊂ Ce(18) [i] based on
- linear OA(2171, 131072, F2, 21) (dual of [131072, 130901, 22]-code), using an extension Ce(20) of the primitive narrow-sense BCH-code C(I) with length 131071 = 217−1, defining interval I = [1,20], and designed minimum distance d ≥ |I|+1 = 21 [i]
- linear OA(2154, 131072, F2, 19) (dual of [131072, 130918, 20]-code), using an extension Ce(18) of the primitive narrow-sense BCH-code C(I) with length 131071 = 217−1, defining interval I = [1,18], and designed minimum distance d ≥ |I|+1 = 19 [i]
- linear OA(21, 18, F2, 1) (dual of [18, 17, 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
- construction X applied to Ce(20) ⊂ Ce(18) [i] based on
- 4 times code embedding in larger space [i] based on linear OA(2172, 131090, F2, 21) (dual of [131090, 130918, 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.