Relay Broadcast Channel With Confidential Messages
Relay Broadcast Channel With Confidential Messages
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DOI：
10.1109/tifs.2015.2503259
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发表时间：
2013-12
影响因子：
6.8
通讯作者：
Bin Dai;Linman Yu;Zheng Ma
中科院分区：
文献类型：
--
作者：
Bin Dai;Linman Yu;Zheng Ma
在本文中，我们研究了一个可信的中继节点的广播信道的秘密性的影响，考虑模型的中继广播信道与机密消息（RBC-CM）。给出了RBC-CM的容量模糊区域的内界和外界，并通过一个退化的高斯中继广播信道（一个公共消息和一个机密消息的退化高斯中继广播信道）进一步解释了容量结果.数值结果表明，这种可信中继节点有助于提高一个公共和一个机密消息的高斯广播信道的安全性。
In this paper, we investigate the effects of a trusted relay node on the secrecy of the broadcast channel by considering the model of relay broadcast channel with confidential messages (RBC-CM). Inner and outer bounds on the capacity-equivocation region of the RBC-CM are provided, and the capacity results are further explained via a degraded Gaussian example, which we call the degraded Gaussian relay broadcast channel with one common and one confidential messages. Numerical results show that this trusted relay node helps to enhance the security of the Gaussian broadcast channel with one common and one confidential messages.