Multilevel diversity coding with distortion

In a Diversity Coding System, an information source is encoded by a number of encoders. There are a number of decoders, each of which can access a certain subset of the encoders. We study a diversity coding problem in which there are two levels of decoders. The reconstructions of the source by decod...

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Bibliographic Details
Published in:IEEE transactions on information theory Vol. 41; no. 2; pp. 412 - 422
Main Author: Yeung, R.W.
Format: Journal Article Conference Proceeding
Language:English
Published: New York, NY IEEE 01.03.1995
Institute of Electrical and Electronics Engineers
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
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ISSN:0018-9448, 1557-9654
Online Access:Get full text
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Summary:In a Diversity Coding System, an information source is encoded by a number of encoders. There are a number of decoders, each of which can access a certain subset of the encoders. We study a diversity coding problem in which there are two levels of decoders. The reconstructions of the source by decoders within the same level are identical, and are subject to the same distortion criterion. Our results imply a principle of superposition when the source consists of two independent data streams. Practical codes achieving zero error can easily be constructed for this special case. A class of open problems on this topic is also suggested.< >
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ISSN:0018-9448
1557-9654
DOI:10.1109/18.370142