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A rate-compatible family of protograph-based LDPC codes built by expurgation and lengthening

A rate-compatible family of protograph-based LDPC codes built by expurgation and lengthening

Dolinar, Sam
URI: http://hdl.handle.net/2014/37536
Date: 2005-09
Keywords: LDPC codes; protograph construction; rate-compatible family
Publisher: Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2005.
Citation: 2005 IEEE International Symposium on Information Theory, Adelaide, Australia, September 4-9, 2005

Abstract:

We construct a protograph-based rate-compatible family of low-density parity-check codes that cover a very wide range of rates from 1/2 to 16/17, perform within about 0.5 dB of their capacity limits for all rates, and can be decoded conveniently and efficiently with a common hardware implementation.

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