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Construction of low-density parity-check codes by superposition
Jun Xu; Lei Chen; Lingqi Zeng; Lan Lan; Shu Lin;
Communications, IEEE Transactions on
Volume 53,
Issue 2,
Feb. 2005
Page(s):243
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251
Abstract:
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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