Information on Result #2273673
Linear OA(4187, 1084, F4, 45) (dual of [1084, 897, 46]-code), using 1 times code embedding in larger space based on linear OA(4186, 1083, F4, 45) (dual of [1083, 897, 46]-code), using
- construction XX applied to C1 = C([311,349]), C2 = C([305,343]), C3 = C1 + C2 = C([311,343]), and C∩ = C1 ∩ C2 = C([305,349]) [i] based on
- linear OA(4146, 1023, F4, 39) (dual of [1023, 877, 40]-code), using the primitive BCH-code C(I) with length 1023 = 45−1, defining interval I = {311,312,…,349}, and designed minimum distance d ≥ |I|+1 = 40 [i]
- linear OA(4146, 1023, F4, 39) (dual of [1023, 877, 40]-code), using the primitive BCH-code C(I) with length 1023 = 45−1, defining interval I = {305,306,…,343}, and designed minimum distance d ≥ |I|+1 = 40 [i]
- linear OA(4166, 1023, F4, 45) (dual of [1023, 857, 46]-code), using the primitive BCH-code C(I) with length 1023 = 45−1, defining interval I = {305,306,…,349}, and designed minimum distance d ≥ |I|+1 = 46 [i]
- linear OA(4126, 1023, F4, 33) (dual of [1023, 897, 34]-code), using the primitive BCH-code C(I) with length 1023 = 45−1, defining interval I = {311,312,…,343}, and designed minimum distance d ≥ |I|+1 = 34 [i]
- linear OA(410, 30, F4, 5) (dual of [30, 20, 6]-code), using
- discarding factors / shortening the dual code based on linear OA(410, 63, F4, 5) (dual of [63, 53, 6]-code), using
- the primitive expurgated narrow-sense BCH-code C(I) with length 63 = 43−1, defining interval I = [0,3], and designed minimum distance d ≥ |I|+1 = 6 [i]
- discarding factors / shortening the dual code based on linear OA(410, 63, F4, 5) (dual of [63, 53, 6]-code), using
- linear OA(410, 30, F4, 5) (dual of [30, 20, 6]-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(4187, 542, F4, 2, 45) (dual of [(542, 2), 897, 46]-NRT-code) | [i] | OOA Folding | |