Information on Result #702722
Linear OA(243, 1045, F2, 9) (dual of [1045, 1002, 10]-code), using construction XX applied to C1 = C([1021,4]), C2 = C([0,6]), C3 = C1 + C2 = C([0,4]), and C∩ = C1 ∩ C2 = C([1021,6]) based on
- linear OA(231, 1023, F2, 7) (dual of [1023, 992, 8]-code), using the primitive BCH-code C(I) with length 1023 = 210−1, defining interval I = {−2,−1,…,4}, and designed minimum distance d ≥ |I|+1 = 8 [i]
- linear OA(231, 1023, F2, 7) (dual of [1023, 992, 8]-code), using the primitive expurgated narrow-sense BCH-code C(I) with length 1023 = 210−1, defining interval I = [0,6], and designed minimum distance d ≥ |I|+1 = 8 [i]
- linear OA(241, 1023, F2, 9) (dual of [1023, 982, 10]-code), using the primitive BCH-code C(I) with length 1023 = 210−1, defining interval I = {−2,−1,…,6}, and designed minimum distance d ≥ |I|+1 = 10 [i]
- linear OA(221, 1023, F2, 5) (dual of [1023, 1002, 6]-code), using the primitive expurgated narrow-sense BCH-code C(I) with length 1023 = 210−1, defining interval I = [0,4], and designed minimum distance d ≥ |I|+1 = 6 [i]
- linear OA(21, 11, F2, 1) (dual of [11, 10, 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, 11, F2, 1) (dual of [11, 10, 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 OA(242, 1044, F2, 8) (dual of [1044, 1002, 9]-code) | [i] | Truncation | |
| 2 | Linear OOA(243, 522, F2, 2, 9) (dual of [(522, 2), 1001, 10]-NRT-code) | [i] | OOA Folding | |
| 3 | Linear OOA(243, 348, F2, 3, 9) (dual of [(348, 3), 1001, 10]-NRT-code) | [i] | ||
| 4 | Linear OOA(243, 261, F2, 4, 9) (dual of [(261, 4), 1001, 10]-NRT-code) | [i] | ||
| 5 | Linear OOA(243, 261, F2, 5, 9) (dual of [(261, 5), 1262, 10]-NRT-code) | [i] | OOA Folding and Stacking with Additional Row | |
| 6 | Linear OOA(243, 261, F2, 6, 9) (dual of [(261, 6), 1523, 10]-NRT-code) | [i] | ||
| 7 | Linear OOA(243, 261, F2, 7, 9) (dual of [(261, 7), 1784, 10]-NRT-code) | [i] | ||
| 8 | Linear OOA(243, 261, F2, 8, 9) (dual of [(261, 8), 2045, 10]-NRT-code) | [i] | ||