Information on Result #1653589
Linear OOA(2235, 1677767, F2, 5, 18) (dual of [(1677767, 5), 8388600, 19]-NRT-code), using (u, u+v)-construction based on
- linear OOA(228, 47, F2, 5, 9) (dual of [(47, 5), 207, 10]-NRT-code), using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OOA(228, 47, F2, 2, 9) (dual of [(47, 2), 66, 10]-NRT-code), using
- OOA 2-folding [i] based on linear OA(228, 94, F2, 9) (dual of [94, 66, 10]-code), using
- discarding factors / shortening the dual code based on linear OA(228, 95, F2, 9) (dual of [95, 67, 10]-code), using
- adding a parity check bit [i] based on linear OA(227, 94, F2, 8) (dual of [94, 67, 9]-code), using
- a “Gra†code from Grassl’s database [i]
- adding a parity check bit [i] based on linear OA(227, 94, F2, 8) (dual of [94, 67, 9]-code), using
- discarding factors / shortening the dual code based on linear OA(228, 95, F2, 9) (dual of [95, 67, 10]-code), using
- OOA 2-folding [i] based on linear OA(228, 94, F2, 9) (dual of [94, 66, 10]-code), using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OOA(228, 47, F2, 2, 9) (dual of [(47, 2), 66, 10]-NRT-code), using
- linear OOA(2207, 1677720, F2, 5, 18) (dual of [(1677720, 5), 8388393, 19]-NRT-code), using
- OOA 5-folding [i] based on linear OA(2207, 8388600, F2, 18) (dual of [8388600, 8388393, 19]-code), using
- discarding factors / shortening the dual code based on linear OA(2207, large, F2, 18) (dual of [large, large−207, 19]-code), using
- the primitive narrow-sense BCH-code C(I) with length 8388607 = 223−1, defining interval I = [1,18], and designed minimum distance d ≥ |I|+1 = 19 [i]
- discarding factors / shortening the dual code based on linear OA(2207, large, F2, 18) (dual of [large, large−207, 19]-code), using
- OOA 5-folding [i] based on linear OA(2207, 8388600, F2, 18) (dual of [8388600, 8388393, 19]-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(2235, 1677767, F2, 6, 18) (dual of [(1677767, 6), 10066367, 19]-NRT-code) | [i] | Embedding of OOA with Gilbert–Varšamov Bound | |
| 2 | Linear OOA(2235, 1677767, F2, 7, 18) (dual of [(1677767, 7), 11744134, 19]-NRT-code) | [i] | ||
| 3 | Linear OOA(2235, 1677767, F2, 8, 18) (dual of [(1677767, 8), 13421901, 19]-NRT-code) | [i] | ||
| 4 | Digital (217, 235, 1677767)-net over F2 | [i] | ||