Information on Result #2806778
Linear OOA(8181, 2097266, F81, 4, 18) (dual of [(2097266, 4), 8388983, 19]-NRT-code), using 811 times duplication based on linear OOA(8180, 2097266, F81, 4, 18) (dual of [(2097266, 4), 8388984, 19]-NRT-code), using
- (u, u+v)-construction [i] based on
- linear OOA(8111, 116, F81, 4, 9) (dual of [(116, 4), 453, 10]-NRT-code), using
- extended algebraic-geometric NRT-code AGe(4;F,454P) [i] based on function field F/F81 with g(F) = 2 and N(F) ≥ 116, using
- linear OOA(8169, 2097150, F81, 4, 18) (dual of [(2097150, 4), 8388531, 19]-NRT-code), using
- OOA 4-folding [i] based on linear OA(8169, 8388600, F81, 18) (dual of [8388600, 8388531, 19]-code), using
- discarding factors / shortening the dual code based on linear OA(8169, large, F81, 18) (dual of [large, large−69, 19]-code), using
- the expurgated narrow-sense BCH-code C(I) with length 21523360 | 814−1, defining interval I = [0,17], and designed minimum distance d ≥ |I|+1 = 19 [i]
- discarding factors / shortening the dual code based on linear OA(8169, large, F81, 18) (dual of [large, large−69, 19]-code), using
- OOA 4-folding [i] based on linear OA(8169, 8388600, F81, 18) (dual of [8388600, 8388531, 19]-code), using
- linear OOA(8111, 116, F81, 4, 9) (dual of [(116, 4), 453, 10]-NRT-code), using
Mode: Constructive and linear.
Optimality
Show details for fixed k and m, k and s, k and t, m and s, m and t.
Other Results with Identical Parameters
None.
Depending Results
None.