Cognitive interference channels with confidential messages under randomness constraint

Cognitive interference channels with confidential messages under randomness constraint
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DOI：
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发表时间：
2012-04
期刊：
2012 International Symposium on Information Theory and its Applications
影响因子：
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通讯作者：
Shun Watanabe;Y. Oohama
Shun Watanabe;Y. Oohama
中科院分区：
其他
文献类型：
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作者：
Shun Watanabe;Y. Oohama

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研究了Liang等人提出的带有机密信息的认知干扰通道（CICC）。当考虑到编码系统的安全性时，众所周知，发送方需要使用随机编码来避免传输的机密信息泄露给窃听者。对于CICC，研究了实现随机编码的随机数速率与通信速率之间的权衡，并给出了最优权衡的完整特征。
The cognitive interference channel with confidential messages (CICC) proposed by Liang et. al. is investigated. When the security is considered in coding systems, it is well known that the sender needs to use a stochastic encoding to avoid the information about the transmitted confidential message to be leaked to an eavesdropper. For the CICC, the trade-off between the rate of the random number to realize the stochastic encoding and the communication rates is investigated, and the optimal trade-off is completely characterized.