Information on Result #1589943
Linear OOA(299, 307, F2, 4, 20) (dual of [(307, 4), 1129, 21]-NRT-code), using embedding of OOA with Gilbert–Varšamov bound based on linear OA(299, 307, F2, 20) (dual of [307, 208, 21]-code), using
- discarding factors / shortening the dual code based on linear OA(299, 547, F2, 20) (dual of [547, 448, 21]-code), using
- strength reduction [i] based on linear OA(299, 547, F2, 21) (dual of [547, 448, 22]-code), using
- adding a parity check bit [i] based on linear OA(298, 546, F2, 20) (dual of [546, 448, 21]-code), using
- construction XX applied to C1 = C([507,14]), C2 = C([1,16]), C3 = C1 + C2 = C([1,14]), and C∩ = C1 ∩ C2 = C([507,16]) [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 = {−4,−3,…,14}, and designed minimum distance d ≥ |I|+1 = 20 [i]
- linear OA(272, 511, F2, 16) (dual of [511, 439, 17]-code), using the primitive narrow-sense BCH-code C(I) with length 511 = 29−1, defining interval I = [1,16], and designed minimum distance d ≥ |I|+1 = 17 [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 = {−4,−3,…,16}, and designed minimum distance d ≥ |I|+1 = 22 [i]
- linear OA(263, 511, F2, 14) (dual of [511, 448, 15]-code), using the primitive narrow-sense BCH-code C(I) with length 511 = 29−1, defining interval I = [1,14], and designed minimum distance d ≥ |I|+1 = 15 [i]
- linear OA(26, 25, F2, 3) (dual of [25, 19, 4]-code or 25-cap in PG(5,2)), using
- discarding factors / shortening the dual code based on linear OA(26, 32, F2, 3) (dual of [32, 26, 4]-code or 32-cap in PG(5,2)), using
- 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
- construction XX applied to C1 = C([507,14]), C2 = C([1,16]), C3 = C1 + C2 = C([1,14]), and C∩ = C1 ∩ C2 = C([507,16]) [i] based on
- adding a parity check bit [i] based on linear OA(298, 546, F2, 20) (dual of [546, 448, 21]-code), using
- strength reduction [i] based on linear OA(299, 547, F2, 21) (dual of [547, 448, 22]-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.