Lossy distributed source coding using LDPC codes

Authors:
Mina Sartipi;Faramarz Fekri
Affiliations:
Department of Computer Science and Engineering, University of Tennessee at Chattanooga;School of Electrical and Computer Engineering, Georgia Institute of Technology, Atlanta, GA
Venue:
IEEE Communications Letters
Year:
2009

Citing 2
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Good error-correcting codes based on very sparse matrices

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Abstract

In this paper, we propose a practical scheme for lossy distributed source coding with side information available at the decoder. Our proposed scheme is based on sending parity bits using LDPC codes. We provide the design procedure for the LDPC code that guarantees performance close to the Wyner-Ziv limit for long LDPC codes. Using simulation results, we show that the proposed method performs close to the theoretical limit for even short length codes.