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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Vydané v:IEEE transactions on information theory Ročník 41; číslo 2; s. 412 - 422
Hlavný autor: Yeung, R.W.
Médium: Journal Article Konferenčný príspevok..
Jazyk:English
Vydavateľské údaje: New York, NY IEEE 01.03.1995
Institute of Electrical and Electronics Engineers
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Predmet:
Applied sciences
Buffer overflow
Coding, codes
Computer network reliability
Cryptography
Decoding
Distortion measurement
Distributed control
Exact sciences and technology
Fault tolerance
Information technology
Information, signal and communications theory
Routing
Satellite communication
Signal and communications theory
Source coding
Telecommunications and information theory
Fault tolerance
Coding
Diversity
Information processing
Signal processing
Signal distortion
Information theory
ISSN:0018-9448, 1557-9654
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Shrnutí: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.< >
Bibliografia:SourceType-Scholarly Journals-1
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ISSN:0018-9448
1557-9654
DOI:10.1109/18.370142