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Construction of low-density parity-check codes by superposition

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5 Author(s)
Jun Xu ; Dept. of Electr. & Comput. Eng., Univ. of California, Davis, CA, USA ; Lei Chen ; Lingqi Zeng ; Lan Lan
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This paper presents a superposition method for constructing low-density parity-check (LDPC) codes. Several classes of structured LDPC codes are constructed. Codes in these classes perform well with iterative decoding, and their Tanner graphs have girth at least six.

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Communications, IEEE Transactions on  (Volume:53 ,  Issue: 2 )