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A Rate R=5/20 Hypergraph-Based Woven Convolutional Code With Free Distance 120

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4 Author(s)
Hug, F. ; Dept. of Electr. & Inf. Technol., Lund Univ., Lund, Sweden ; Bocharova, I.E. ; Johannesson, R. ; Kudryashov, B.D.

A rate R=5/20 hypergraph-based woven convolutional code with overall constraint length 67 and constituent convolutional codes is presented. It is based on a 3-partite, 3-uniform, 4-regular hypergraph and contains rate Rc=3/4 constituent convolutional codes with overall constraint length 5. Although the code construction is based on low-complexity codes, the free distance of this construction, computed with the BEAST algorithm, is dfree=120, which is remarkably large.

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Information Theory, IEEE Transactions on  (Volume:56 ,  Issue: 4 )