Distributed joint source-channel code design for GMAC using irregular LDPC codes

@article{Shahid2014DistributedJS,
  title={Distributed joint source-channel code design for GMAC using irregular LDPC codes},
  author={Iqbal Shahid and Pradeepa Yahampath},
  journal={EURASIP J. Wireless Comm. and Networking},
  year={2014},
  volume={2014},
  pages={3}
}
Separate source and channel coding is known to be sub-optimal for communicating correlated sources over a Gaussian multiple access channel (GMAC). This paper presents an approach to designing distributed joint source-channel (DJSC) codes for encoding correlated binary sources over a two-user GMAC, using systematic irregular low-density parity check (LDPC) codes. The degree profile defining the LDPC code is optimized for the joint source probabilities using extrinsic information transfer (EXIT… CONTINUE READING

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