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Lossy Joint Source-Channel Coding Using Raptor Codes
2008
International Journal of Digital Multimedia Broadcasting
The straightforward application of Shannon's separation principle may entail a significant suboptimality in practical systems with limited coding delay and complexity. This is particularly evident when the lossy source code is based on entropy-coded quantization. In fact, it is well known that entropy coding is not robust to residual channel errors. In this paper, a joint source-channel coding scheme is advocated that combines the advantages and simplicity of entropy-coded quantization with the
doi:10.1155/2008/124685
fatcat:fs2wdth4mbcobgq4hvldfbne2q