MinT - Information on Result #1051885

Information on Result #1051885

Linear OOA(2²²⁰, 2097278, F₂, 4, 16) (dual of [(2097278, 4), 8388892, 17]-NRT-code), using OOA 2-folding based on linear OOA(2²²⁰, 4194556, F₂, 2, 16) (dual of [(4194556, 2), 8388892, 17]-NRT-code), using

discarding factors / shortening the dual code based on linear OOA(2²²⁰, 4194557, F₂, 2, 16) (dual of [(4194557, 2), 8388894, 17]-NRT-code), using
- (u,Â u+v)-construction [i] based on
  1. linear OOA(2³⁶, 256, F₂, 2, 8) (dual of [(256, 2), 476, 9]-NRT-code), using
    - OOA 2-folding [i] based on linear OA(2³⁶, 512, F₂, 8) (dual of [512, 476, 9]-code), using
      - 1 times truncation [i] based on linear OA(2³⁷, 513, F₂, 9) (dual of [513, 476, 10]-code), using
        the expurgated narrow-sense BCH-code C(I) with length 513Â | 2¹⁸âˆ’1, defining interval IÂ =Â [0,4], and minimum distance dÂ â‰¥ |{−4,−3,…,4}|+1Â =Â 10 (BCH-bound) [i]
  2. linear OOA(2¹⁸⁴, 4194301, F₂, 2, 16) (dual of [(4194301, 2), 8388418, 17]-NRT-code), using
    - OOA 2-folding [i] based on linear OA(2¹⁸⁴, 8388602, F₂, 16) (dual of [8388602, 8388418, 17]-code), using
      - discarding factors / shortening the dual code based on linear OA(2¹⁸⁴, large, F₂, 16) (dual of [large, large−184, 17]-code), using
        the primitive narrow-sense BCH-code C(I) with length 8388607Â = 2²³âˆ’1, defining interval IÂ =Â [1,16], and designed minimum distance dÂ â‰¥Â |I|+1Â =Â 17 [i]

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.