Information on Result #1488775
Linear OOA(823, 621, F8, 3, 7) (dual of [(621, 3), 1840, 8]-NRT-code), using OOA 2-folding based on linear OOA(823, 1242, F8, 2, 7) (dual of [(1242, 2), 2461, 8]-NRT-code), using
- discarding factors / shortening the dual code based on linear OOA(823, 1243, F8, 2, 7) (dual of [(1243, 2), 2463, 8]-NRT-code), using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OA(823, 1243, F8, 7) (dual of [1243, 1220, 8]-code), using
- 722 step Varšamov–Edel lengthening with (ri) = (1, 24 times 0, 1, 106 times 0, 1, 231 times 0, 1, 357 times 0) [i] based on linear OA(819, 517, F8, 7) (dual of [517, 498, 8]-code), using
- construction XX applied to C1 = C([510,4]), C2 = C([0,5]), C3 = C1 + C2 = C([0,4]), and C∩ = C1 ∩ C2 = C([510,5]) [i] based on
- linear OA(816, 511, F8, 6) (dual of [511, 495, 7]-code), using the primitive BCH-code C(I) with length 511 = 83−1, defining interval I = {−1,0,…,4}, and designed minimum distance d ≥ |I|+1 = 7 [i]
- linear OA(816, 511, F8, 6) (dual of [511, 495, 7]-code), using the primitive expurgated narrow-sense BCH-code C(I) with length 511 = 83−1, defining interval I = [0,5], and designed minimum distance d ≥ |I|+1 = 7 [i]
- linear OA(819, 511, F8, 7) (dual of [511, 492, 8]-code), using the primitive BCH-code C(I) with length 511 = 83−1, defining interval I = {−1,0,…,5}, and designed minimum distance d ≥ |I|+1 = 8 [i]
- linear OA(813, 511, F8, 5) (dual of [511, 498, 6]-code), using the primitive expurgated narrow-sense BCH-code C(I) with length 511 = 83−1, defining interval I = [0,4], and designed minimum distance d ≥ |I|+1 = 6 [i]
- linear OA(80, 3, F8, 0) (dual of [3, 3, 1]-code), using
- discarding factors / shortening the dual code based on linear OA(80, s, F8, 0) (dual of [s, s, 1]-code) for arbitrarily large s, using
- linear OA(80, 3, F8, 0) (dual of [3, 3, 1]-code) (see above)
- construction XX applied to C1 = C([510,4]), C2 = C([0,5]), C3 = C1 + C2 = C([0,4]), and C∩ = C1 ∩ C2 = C([510,5]) [i] based on
- 722 step Varšamov–Edel lengthening with (ri) = (1, 24 times 0, 1, 106 times 0, 1, 231 times 0, 1, 357 times 0) [i] based on linear OA(819, 517, F8, 7) (dual of [517, 498, 8]-code), using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OA(823, 1243, F8, 7) (dual of [1243, 1220, 8]-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
None.