Joint Source-Channel Coding for the Transmission of Correlated Sources over Two-Way Channels

A joint source-channel coding (JSCC) scheme based on hybrid digital/analog coding is proposed for the transmission of correlated sources over discrete-memoryless two-way channels (DM-TWCs). The scheme utilizes the correlation between the sources in generating channel inputs, thus enabling the users...

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Veröffentlicht in:Proceedings / IEEE International Symposium on Information Theory S. 1322 - 1326
Hauptverfasser: Weng, Jian-Jian, Alajaji, Fady, Linder, Tamas
Format: Tagungsbericht
Sprache:Englisch
Veröffentlicht: IEEE 01.07.2019
Schlagworte:
Channel coding
Correlation
Decoding
Distortion
hybrid coding
Indexes
joint source-channel coding
lossy transmission
Network information theory
Propagation losses
two-way channels
ISSN:2157-8117
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Abstract A joint source-channel coding (JSCC) scheme based on hybrid digital/analog coding is proposed for the transmission of correlated sources over discrete-memoryless two-way channels (DM-TWCs). The scheme utilizes the correlation between the sources in generating channel inputs, thus enabling the users to coordinate their transmission to combat channel noise. The hybrid scheme also subsumes prior coding methods such as rate-one separate source-channel coding and uncoded schemes for two-way lossy transmission, as well as the correlation-preserving coding scheme for (almost) lossless transmission. Moreover, we derive a distortion outer bound for the source-channel system using a genie-aided argument. A complete JSSC theorem for a class of correlated sources and DM-TWCs whose capacity region cannot be enlarged via interactive adaptive coding is also established. Examples that illustrate the theorem are given.
AbstractList A joint source-channel coding (JSCC) scheme based on hybrid digital/analog coding is proposed for the transmission of correlated sources over discrete-memoryless two-way channels (DM-TWCs). The scheme utilizes the correlation between the sources in generating channel inputs, thus enabling the users to coordinate their transmission to combat channel noise. The hybrid scheme also subsumes prior coding methods such as rate-one separate source-channel coding and uncoded schemes for two-way lossy transmission, as well as the correlation-preserving coding scheme for (almost) lossless transmission. Moreover, we derive a distortion outer bound for the source-channel system using a genie-aided argument. A complete JSSC theorem for a class of correlated sources and DM-TWCs whose capacity region cannot be enlarged via interactive adaptive coding is also established. Examples that illustrate the theorem are given.
Author Weng, Jian-Jian
Alajaji, Fady
Linder, Tamas
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  surname: Alajaji
  fullname: Alajaji, Fady
  organization: Department of Mathematics and Statistics, Queen's University, Kingston, ON, K7L 3N6, Canada
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  givenname: Tamas
  surname: Linder
  fullname: Linder, Tamas
  organization: Department of Mathematics and Statistics, Queen's University, Kingston, ON, K7L 3N6, Canada
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Snippet A joint source-channel coding (JSCC) scheme based on hybrid digital/analog coding is proposed for the transmission of correlated sources over...
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StartPage 1322
SubjectTerms Channel coding
Correlation
Decoding
Distortion
hybrid coding
Indexes
joint source-channel coding
lossy transmission
Network information theory
Propagation losses
two-way channels
Title Joint Source-Channel Coding for the Transmission of Correlated Sources over Two-Way Channels
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