Information on Result #1590069
Linear OOA(2103, 631, F2, 4, 19) (dual of [(631, 4), 2421, 20]-NRT-code), using embedding of OOA with Gilbert–Varšamov bound based on linear OOA(2103, 631, F2, 3, 19) (dual of [(631, 3), 1790, 20]-NRT-code), using
- discarding factors / shortening the dual code based on linear OOA(2103, 687, F2, 3, 19) (dual of [(687, 3), 1958, 20]-NRT-code), using
- 21 times duplication [i] based on linear OOA(2102, 687, F2, 3, 19) (dual of [(687, 3), 1959, 20]-NRT-code), using
- OOA 3-folding [i] based on linear OA(2102, 2061, F2, 19) (dual of [2061, 1959, 20]-code), using
- 1 times code embedding in larger space [i] based on linear OA(2101, 2060, F2, 19) (dual of [2060, 1959, 20]-code), using
- construction X applied to Ce(18) ⊂ Ce(16) [i] based on
- linear OA(2100, 2048, F2, 19) (dual of [2048, 1948, 20]-code), using an extension Ce(18) of the primitive narrow-sense BCH-code C(I) with length 2047 = 211−1, defining interval I = [1,18], and designed minimum distance d ≥ |I|+1 = 19 [i]
- linear OA(289, 2048, F2, 17) (dual of [2048, 1959, 18]-code), using an extension Ce(16) of the primitive narrow-sense BCH-code C(I) with length 2047 = 211−1, defining interval I = [1,16], and designed minimum distance d ≥ |I|+1 = 17 [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(18) ⊂ Ce(16) [i] based on
- 1 times code embedding in larger space [i] based on linear OA(2101, 2060, F2, 19) (dual of [2060, 1959, 20]-code), using
- OOA 3-folding [i] based on linear OA(2102, 2061, F2, 19) (dual of [2061, 1959, 20]-code), using
- 21 times duplication [i] based on linear OOA(2102, 687, F2, 3, 19) (dual of [(687, 3), 1959, 20]-NRT-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
The following results depend on this result:
| Result | This result only | Method | ||
|---|---|---|---|---|
| 1 | Linear OOA(2103, 315, F2, 7, 19) (dual of [(315, 7), 2102, 20]-NRT-code) | [i] | OOA Folding | |
| 2 | Linear OOA(2103, 315, F2, 8, 19) (dual of [(315, 8), 2417, 20]-NRT-code) | [i] | ||