Information on Result #2221813
Linear OA(292, 530, F2, 20) (dual of [530, 438, 21]-code), using 1 times truncation based on linear OA(293, 531, F2, 21) (dual of [531, 438, 22]-code), using
- construction XX applied to C1 = C([509,16]), C2 = C([0,18]), C3 = C1 + C2 = C([0,16]), and C∩ = C1 ∩ C2 = C([509,18]) [i] based on
- linear OA(282, 511, F2, 19) (dual of [511, 429, 20]-code), using the primitive BCH-code C(I) with length 511 = 29−1, defining interval I = {−2,−1,…,16}, and designed minimum distance d ≥ |I|+1 = 20 [i]
- linear OA(282, 511, F2, 19) (dual of [511, 429, 20]-code), using the primitive expurgated narrow-sense BCH-code C(I) with length 511 = 29−1, defining interval I = [0,18], and designed minimum distance d ≥ |I|+1 = 20 [i]
- linear OA(291, 511, F2, 21) (dual of [511, 420, 22]-code), using the primitive BCH-code C(I) with length 511 = 29−1, defining interval I = {−2,−1,…,18}, and designed minimum distance d ≥ |I|+1 = 22 [i]
- linear OA(273, 511, F2, 17) (dual of [511, 438, 18]-code), using the primitive expurgated narrow-sense BCH-code C(I) with length 511 = 29−1, defining interval I = [0,16], and designed minimum distance d ≥ |I|+1 = 18 [i]
- linear OA(21, 10, F2, 1) (dual of [10, 9, 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
- linear OA(21, 10, F2, 1) (dual of [10, 9, 2]-code) (see above)
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 OOA(292, 265, F2, 2, 20) (dual of [(265, 2), 438, 21]-NRT-code) | [i] | OOA Folding | |
| 2 | Linear OOA(292, 176, F2, 3, 20) (dual of [(176, 3), 436, 21]-NRT-code) | [i] | ||
| 3 | Linear OOA(292, 132, F2, 4, 20) (dual of [(132, 4), 436, 21]-NRT-code) | [i] | ||
| 4 | Linear OOA(292, 106, F2, 5, 20) (dual of [(106, 5), 438, 21]-NRT-code) | [i] | ||
| 5 | Linear OOA(292, 88, F2, 6, 20) (dual of [(88, 6), 436, 21]-NRT-code) | [i] | ||