Information on Result #1639230
Linear OOA(2245, 2097334, F2, 5, 18) (dual of [(2097334, 5), 10486425, 19]-NRT-code), using embedding of OOA with Gilbert–Varšamov bound based on linear OOA(2245, 2097334, F2, 4, 18) (dual of [(2097334, 4), 8389091, 19]-NRT-code), using
- (u, u+v)-construction [i] based on
- linear OOA(238, 184, F2, 4, 9) (dual of [(184, 4), 698, 10]-NRT-code), using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OOA(238, 184, F2, 2, 9) (dual of [(184, 2), 330, 10]-NRT-code), using
- discarding factors / shortening the dual code based on linear OOA(238, 261, F2, 2, 9) (dual of [(261, 2), 484, 10]-NRT-code), using
- OOA 2-folding [i] based on linear OA(238, 522, F2, 9) (dual of [522, 484, 10]-code), using
- construction X applied to Ce(8) ⊂ Ce(6) [i] based on
- linear OA(237, 512, F2, 9) (dual of [512, 475, 10]-code), using an extension Ce(8) of the primitive narrow-sense BCH-code C(I) with length 511 = 29−1, defining interval I = [1,8], and designed minimum distance d ≥ |I|+1 = 9 [i]
- linear OA(228, 512, F2, 7) (dual of [512, 484, 8]-code), using an extension Ce(6) of the primitive narrow-sense BCH-code C(I) with length 511 = 29−1, defining interval I = [1,6], and designed minimum distance d ≥ |I|+1 = 7 [i]
- 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 X applied to Ce(8) ⊂ Ce(6) [i] based on
- OOA 2-folding [i] based on linear OA(238, 522, F2, 9) (dual of [522, 484, 10]-code), using
- discarding factors / shortening the dual code based on linear OOA(238, 261, F2, 2, 9) (dual of [(261, 2), 484, 10]-NRT-code), using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OOA(238, 184, F2, 2, 9) (dual of [(184, 2), 330, 10]-NRT-code), using
- linear OOA(2207, 2097150, F2, 4, 18) (dual of [(2097150, 4), 8388393, 19]-NRT-code), using
- OOA 4-folding [i] based on linear OA(2207, 8388600, F2, 18) (dual of [8388600, 8388393, 19]-code), using
- discarding factors / shortening the dual code based on linear OA(2207, large, F2, 18) (dual of [large, large−207, 19]-code), using
- the primitive narrow-sense BCH-code C(I) with length 8388607 = 223−1, defining interval I = [1,18], and designed minimum distance d ≥ |I|+1 = 19 [i]
- discarding factors / shortening the dual code based on linear OA(2207, large, F2, 18) (dual of [large, large−207, 19]-code), using
- OOA 4-folding [i] based on linear OA(2207, 8388600, F2, 18) (dual of [8388600, 8388393, 19]-code), using
- linear OOA(238, 184, F2, 4, 9) (dual of [(184, 4), 698, 10]-NRT-code), using
Mode: 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
The following results depend on this result:
| Result | This result only | Method | ||
|---|---|---|---|---|
| 1 | Linear OOA(2245, 1048666, F2, 25, 18) (dual of [(1048666, 25), 26216405, 19]-NRT-code) | [i] | OOA Folding and Stacking with Additional Row | |