Untainted Puncturing for Irregular Low-Density Parity-Check Codes

Details Untainted Puncturing for Irregular Low-Density Parity-Check Codes Untainted Puncturing for Irregular Low-Density Parity-Check Codes

2011-03-31

arxiv.org/abs/1103.6149v2

Computer Science

Information Theory

4 pages, 3 figures

Scientific paper

Puncturing is a well-known coding technique widely used for constructing rate-compatible codes. In this paper, we consider the problem of puncturing low-density parity-check codes and propose a new algorithm for intentional puncturing. The algorithm is based on the puncturing of untainted symbols, i.e. nodes with no punctured symbols within their neighboring set. It is shown that the algorithm proposed here performs better than previous proposals for a range of coding rates and short proportions of punctured symbols.

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