Information on Result #672980
Linear OA(2179, 2094, F2, 31) (dual of [2094, 1915, 32]-code), using construction X applied to Ce(30) ⊂ Ce(24) based on
- linear OA(2166, 2048, F2, 31) (dual of [2048, 1882, 32]-code), using an extension Ce(30) of the primitive narrow-sense BCH-code C(I) with length 2047 = 211−1, defining interval I = [1,30], and designed minimum distance d ≥ |I|+1 = 31 [i]
- linear OA(2133, 2048, F2, 25) (dual of [2048, 1915, 26]-code), using an extension Ce(24) of the primitive narrow-sense BCH-code C(I) with length 2047 = 211−1, defining interval I = [1,24], and designed minimum distance d ≥ |I|+1 = 25 [i]
- linear OA(213, 46, F2, 5) (dual of [46, 33, 6]-code), using
- discarding factors / shortening the dual code based on linear OA(213, 63, F2, 5) (dual of [63, 50, 6]-code), using
- the primitive expurgated narrow-sense BCH-code C(I) with length 63 = 26−1, defining interval I = [0,3], and designed minimum distance d ≥ |I|+1 = 6 [i]
- discarding factors / shortening the dual code based on linear OA(213, 63, F2, 5) (dual of [63, 50, 6]-code), using
Mode: Constructive and 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 OA(2179, 2094, F2, 30) (dual of [2094, 1915, 31]-code) | [i] | Strength Reduction | |
| 2 | Linear OOA(2179, 1047, F2, 2, 31) (dual of [(1047, 2), 1915, 32]-NRT-code) | [i] | OOA Folding | |
| 3 | Linear OOA(2179, 698, F2, 3, 31) (dual of [(698, 3), 1915, 32]-NRT-code) | [i] | ||
| 4 | Linear OOA(2179, 349, F2, 6, 31) (dual of [(349, 6), 1915, 32]-NRT-code) | [i] | ||