Secure lossless transmission of correlated sources over noisy broadcast channel using separate source-channel coding
The problem of secure transmission of correlated sources over broadcast channel was studied from the pers-pective of information-theoretic security.Each source is only for its intended receiver,but to be kept secret from the un-intended receiver.Sufficient condition was provided for secure transmiss...
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| Main Authors: | , , |
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| Format: | Article |
| Language: | zho |
| Published: |
Editorial Department of Journal on Communications
2013-10-01
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| Series: | Tongxin xuebao |
| Subjects: | |
| Online Access: | http://www.joconline.com.cn/zh/article/doi/10.3969/j.issn.1000-436x.2013.10.003/ |
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| Summary: | The problem of secure transmission of correlated sources over broadcast channel was studied from the pers-pective of information-theoretic security.Each source is only for its intended receiver,but to be kept secret from the un-intended receiver.Sufficient condition was provided for secure transmission of correlated sources over broadcast channels from separate source-channel coding perspective.If the mutual information was chosen as common information,optimal compression and partial perfect secrecy were both achieved for two correlated sources.Sufficient and necessary condi-tions were provided for two special cases:a broadcast channel with degraded source sets and a more capable broadcast channel,and thus it could be seen that the separate source-channel code is optimal. |
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| ISSN: | 1000-436X |