Rate-compatible punctured low-density parity-check codes with short block lengths

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We consider the problem of rate-compatible puncturing of low-density parity-check (LDPC) codes over additive white Gaussian noise (AWGN) channels. In previous work, it was shown that '' good '' puncturing distributions exist for LDPC codes but the code length was large. In this correspondence, we give a procedure for determining the puncturing distributions for LDPC codes with short block lengths (a few thousand bits) and show that careful puncturing can produce good performance. We compare the performance of the rate-compatible punctured LDPC codes with dedicated LDPC codes across a range of rates and see that the rate-compatible codes have a favorable complexity/performance tradeoff.
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Issue Date
2006
Language
English
Article Type
Article; Proceedings Paper
Citation

IEEE TRANSACTIONS ON INFORMATION THEORY, v.52, no.2, pp.728 - 738

ISSN
0018-9448
DOI
10.1109/TIT.2005.862118
URI
http://hdl.handle.net/10203/11451
Appears in Collection
EE-Journal Papers(저널논문)
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