Information on Result #1479221
Linear OOA(4114, 2178, F4, 3, 23) (dual of [(2178, 3), 6420, 24]-NRT-code), using OOA 2-folding based on linear OOA(4114, 4356, F4, 2, 23) (dual of [(4356, 2), 8598, 24]-NRT-code), using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OA(4114, 4356, F4, 23) (dual of [4356, 4242, 24]-code), using
- 243 step Varšamov–Edel lengthening with (ri) = (3, 1, 0, 0, 1, 4 times 0, 1, 8 times 0, 1, 14 times 0, 1, 23 times 0, 1, 37 times 0, 1, 58 times 0, 1, 88 times 0) [i] based on linear OA(4103, 4102, F4, 23) (dual of [4102, 3999, 24]-code), using
- construction X applied to Ce(22) ⊂ Ce(21) [i] based on
- linear OA(4103, 4096, F4, 23) (dual of [4096, 3993, 24]-code), using an extension Ce(22) of the primitive narrow-sense BCH-code C(I) with length 4095 = 46−1, defining interval I = [1,22], and designed minimum distance d ≥ |I|+1 = 23 [i]
- linear OA(497, 4096, F4, 22) (dual of [4096, 3999, 23]-code), using an extension Ce(21) of the primitive narrow-sense BCH-code C(I) with length 4095 = 46−1, defining interval I = [1,21], and designed minimum distance d ≥ |I|+1 = 22 [i]
- linear OA(40, 6, F4, 0) (dual of [6, 6, 1]-code), using
- discarding factors / shortening the dual code based on linear OA(40, s, F4, 0) (dual of [s, s, 1]-code) for arbitrarily large s, using
- construction X applied to Ce(22) ⊂ Ce(21) [i] based on
- 243 step Varšamov–Edel lengthening with (ri) = (3, 1, 0, 0, 1, 4 times 0, 1, 8 times 0, 1, 14 times 0, 1, 23 times 0, 1, 37 times 0, 1, 58 times 0, 1, 88 times 0) [i] based on linear OA(4103, 4102, F4, 23) (dual of [4102, 3999, 24]-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.