Information on Result #1704640
Linear OOA(2231, 2098180, F2, 8, 17) (dual of [(2098180, 8), 16785209, 18]-NRT-code), using embedding of OOA with Gilbert–Varšamov bound based on linear OOA(2231, 2098180, F2, 4, 17) (dual of [(2098180, 4), 8392489, 18]-NRT-code), using
- (u, u+v)-construction [i] based on
- linear OOA(246, 1030, F2, 4, 8) (dual of [(1030, 4), 4074, 9]-NRT-code), using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OOA(246, 1030, F2, 2, 8) (dual of [(1030, 2), 2014, 9]-NRT-code), using
- strength reduction [i] based on linear OOA(246, 1030, F2, 2, 9) (dual of [(1030, 2), 2014, 10]-NRT-code), using
- OOA 2-folding [i] based on linear OA(246, 2060, F2, 9) (dual of [2060, 2014, 10]-code), using
- construction X applied to Ce(8) ⊂ Ce(6) [i] based on
- linear OA(245, 2048, F2, 9) (dual of [2048, 2003, 10]-code), using an extension Ce(8) of the primitive narrow-sense BCH-code C(I) with length 2047 = 211−1, defining interval I = [1,8], and designed minimum distance d ≥ |I|+1 = 9 [i]
- linear OA(234, 2048, F2, 7) (dual of [2048, 2014, 8]-code), using an extension Ce(6) of the primitive narrow-sense BCH-code C(I) with length 2047 = 211−1, defining interval I = [1,6], and designed minimum distance d ≥ |I|+1 = 7 [i]
- linear OA(21, 12, F2, 1) (dual of [12, 11, 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(8) ⊂ Ce(6) [i] based on
- OOA 2-folding [i] based on linear OA(246, 2060, F2, 9) (dual of [2060, 2014, 10]-code), using
- strength reduction [i] based on linear OOA(246, 1030, F2, 2, 9) (dual of [(1030, 2), 2014, 10]-NRT-code), using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OOA(246, 1030, F2, 2, 8) (dual of [(1030, 2), 2014, 9]-NRT-code), using
- linear OOA(2185, 2097150, F2, 4, 17) (dual of [(2097150, 4), 8388415, 18]-NRT-code), using
- OOA 4-folding [i] based on linear OA(2185, 8388600, F2, 17) (dual of [8388600, 8388415, 18]-code), using
- discarding factors / shortening the dual code based on linear OA(2185, large, F2, 17) (dual of [large, large−185, 18]-code), using
- the expurgated narrow-sense BCH-code C(I) with length 8388609 | 246−1, defining interval I = [0,8], and minimum distance d ≥ |{−8,−7,…,8}|+1 = 18 (BCH-bound) [i]
- discarding factors / shortening the dual code based on linear OA(2185, large, F2, 17) (dual of [large, large−185, 18]-code), using
- OOA 4-folding [i] based on linear OA(2185, 8388600, F2, 17) (dual of [8388600, 8388415, 18]-code), using
- linear OOA(246, 1030, F2, 4, 8) (dual of [(1030, 4), 4074, 9]-NRT-code), using
Mode: Linear.
Optimality
Show details for fixed k and m, k and s, k and t, m and s, m and t.
Other Results with Identical Parameters
None.
Depending Results
The following results depend on this result:
| Result | This result only | Method | ||
|---|---|---|---|---|
| 1 | Linear OOA(2231, 2098179, F2, 24, 17) (dual of [(2098179, 24), 50356065, 18]-NRT-code) | [i] | OOA Stacking with Additional Row | |