Information on Result #1632704
Linear OOA(2145, 501, F2, 5, 28) (dual of [(501, 5), 2360, 29]-NRT-code), using embedding of OOA with Gilbert–Varšamov bound based on linear OOA(2145, 501, F2, 2, 28) (dual of [(501, 2), 857, 29]-NRT-code), using
- discarding factors / shortening the dual code based on linear OOA(2145, 524, F2, 2, 28) (dual of [(524, 2), 903, 29]-NRT-code), using
- strength reduction [i] based on linear OOA(2145, 524, F2, 2, 29) (dual of [(524, 2), 903, 30]-NRT-code), using
- OOA 2-folding [i] based on linear OA(2145, 1048, F2, 29) (dual of [1048, 903, 30]-code), using
- 1 times code embedding in larger space [i] based on linear OA(2144, 1047, F2, 29) (dual of [1047, 903, 30]-code), using
- adding a parity check bit [i] based on linear OA(2143, 1046, F2, 28) (dual of [1046, 903, 29]-code), using
- construction XX applied to C1 = C([1021,24]), C2 = C([1,26]), C3 = C1 + C2 = C([1,24]), and C∩ = C1 ∩ C2 = C([1021,26]) [i] based on
- linear OA(2131, 1023, F2, 27) (dual of [1023, 892, 28]-code), using the primitive BCH-code C(I) with length 1023 = 210−1, defining interval I = {−2,−1,…,24}, and designed minimum distance d ≥ |I|+1 = 28 [i]
- linear OA(2130, 1023, F2, 26) (dual of [1023, 893, 27]-code), using the primitive narrow-sense BCH-code C(I) with length 1023 = 210−1, defining interval I = [1,26], and designed minimum distance d ≥ |I|+1 = 27 [i]
- linear OA(2141, 1023, F2, 29) (dual of [1023, 882, 30]-code), using the primitive BCH-code C(I) with length 1023 = 210−1, defining interval I = {−2,−1,…,26}, and designed minimum distance d ≥ |I|+1 = 30 [i]
- linear OA(2120, 1023, F2, 24) (dual of [1023, 903, 25]-code), using the primitive narrow-sense BCH-code C(I) with length 1023 = 210−1, defining interval I = [1,24], and designed minimum distance d ≥ |I|+1 = 25 [i]
- linear OA(21, 12, F2, 1) (dual of [12, 11, 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), 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 (see above)
- construction XX applied to C1 = C([1021,24]), C2 = C([1,26]), C3 = C1 + C2 = C([1,24]), and C∩ = C1 ∩ C2 = C([1021,26]) [i] based on
- adding a parity check bit [i] based on linear OA(2143, 1046, F2, 28) (dual of [1046, 903, 29]-code), using
- 1 times code embedding in larger space [i] based on linear OA(2144, 1047, F2, 29) (dual of [1047, 903, 30]-code), using
- OOA 2-folding [i] based on linear OA(2145, 1048, F2, 29) (dual of [1048, 903, 30]-code), using
- strength reduction [i] based on linear OOA(2145, 524, F2, 2, 29) (dual of [(524, 2), 903, 30]-NRT-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.