On subspace structure in source and channel coding

The use of subspace structure in source and channel coding is studied. We show that for source coding of an i.i.d. Gaussian source, restriction of the codebook to a union of subspaces need not induce any performance penalty. In fact, in N-dimensional space, a two-stage quantization of first projecti...

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Bibliographische Detailangaben

Hauptverfasser:	Fletcher, A.K., Rangan, S., Goyal, V.K.
Format:	Tagungsbericht
Sprache:	eng
Schlagworte:	Approximation error Channel coding Complexity theory Quantization Rate-distortion Signal to noise ratio Source coding
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