| 安全无损的广播信道的可达信源允许区域 |
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| 引用本文： | 郎非,王保云,邓志祥,汪胡青.安全无损的广播信道的可达信源允许区域[J].南京邮电大学学报(自然科学版),2014(1):25-31. |
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| 作者姓名： | 郎非 王保云 邓志祥 汪胡青 |
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| 作者单位： | [1]南京邮电大学通信与信息工程学院,江苏南京210003 [2]南京邮电大学自动化学院,江苏南京210023 [3]东南大学移动通信国家重点实验室,江苏南京210096 |
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| 基金项目： | 国家自然科学基金（61271232,60972045,61071089）、江苏省高校研究生科研创新计划（CX10B_192Z）、东南大学移动通信国家重点实验室开放研究基金（2012D05）和南京邮电大学校项目（NY210034）资助项目 |
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| 摘 要： | 从信息理论安全的角度研究双信源在广播信道下保密传输的问题,其中每一个接收用户的信息对于其他用户来说都是保密的,并用疑义度来度量保密水平.采用分离信源信道编码策略,并结合double binning和速率划分技术,得到了双信源在广播信道下能够保密传输的信源允许区域的内界.该内界是在保证可靠性传输可达的基础上得到的,并且它扩展了以往结果,使它们成为该内界的一个特例.
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| 关 键 词： | 分离信源信道码 安全传输 广播信道 信源允许区域 疑义度 |
Achievable Source Admission Region for Secure Lossless Broadcast Channel |
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| LANG Fei,WANG Bao-yun,DENG Zhi-xiang,WANG Hu-qing.Achievable Source Admission Region for Secure Lossless Broadcast Channel[J].Journal of Nanjing University of Posts and Telecommunications,2014(1):25-31. |
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| Authors: | LANG Fei WANG Bao-yun DENG Zhi-xiang WANG Hu-qing |
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| Institution: | 1.College of Telecommunications ＆ Information Engineering, Nanjing University of Posts and Telecommunications, Nanjing 210003, China; 2.College of Automation, Nanjing University of Posts and Telecommunications, Nanjing 210023, China ; National Mobile Communications Research Laboratory, Southeast University, Nanjing 210096, China;) |
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| Abstract: | The problem of dual-source secure transmission over broadcast channel is studied using information security theory,in which the information of each receiver is unknown to the source intended for other receivers and the secure level is measured by the equivocation rate at the eavesdropping receiver.Applying separated source-channel coding scheme and combining with double binning and rate splitting technologies,an inner bound of source admission region is obtained based on the achievable and reliable transmission guaranteed,thus it can generalize existing results as a special case.in the inner bound. |
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| Keywords: | separated source-channel coding secure communication broadcast channel source admission region equivocation |
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