Soft information for source channel coding and decoding
Soft processing is an effective method used in channel decoding/detection for a system comprising concatenated subsystems. We consider the source-channel coder and the channel-source decoder as such a system and demonstrate how the principles of soft processing can be applied to coding and decoding....
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| Vydané v: | Conference Record of the Thirty-Third Asilomar Conference on Signals, Systems, and Computers (Cat. No.CH37020) Ročník 1; s. 326 - 331 vol.1 |
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| Hlavní autori: | , , |
| Médium: | Konferenčný príspevok.. |
| Jazyk: | English |
| Vydavateľské údaje: |
IEEE
1999
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| ISBN: | 9780780357006, 0780357000 |
| ISSN: | 1058-6393 |
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| Abstract | Soft processing is an effective method used in channel decoding/detection for a system comprising concatenated subsystems. We consider the source-channel coder and the channel-source decoder as such a system and demonstrate how the principles of soft processing can be applied to coding and decoding. This is based on the identification of marginal bit distortion measures associated with the source coder and the channel decoder. We demonstrate how these marginal measures may be used to predict end-te-end distortion and design unequal channel protection (static or dynamic). |
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| AbstractList | Soft processing is an effective method used in channel decoding/detection for a system comprising concatenated subsystems. We consider the source-channel coder and the channel-source decoder as such a system and demonstrate how the principles of soft processing can be applied to coding and decoding. This is based on the identification of marginal bit distortion measures associated with the source coder and the channel decoder. We demonstrate how these marginal measures may be used to predict end-te-end distortion and design unequal channel protection (static or dynamic). |
| Author | Ortega, A. Chugg, K.M. Demirciler, K. |
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| PublicationTitle | Conference Record of the Thirty-Third Asilomar Conference on Signals, Systems, and Computers (Cat. No.CH37020) |
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| Snippet | Soft processing is an effective method used in channel decoding/detection for a system comprising concatenated subsystems. We consider the source-channel coder... |
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| StartPage | 326 |
| SubjectTerms | Channel coding Concatenated codes Convolutional codes Detectors Distortion measurement Iterative algorithms Iterative decoding Iterative methods Protection Turbo codes |
| Title | Soft information for source channel coding and decoding |
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