Capacity Region of Gaussian MIMO Broadcast Channels With Common and Confidential Messages

被引:47
作者
Ekrem, Ersen [1 ]
Ulukus, Sennur [1 ]
机构
[1] Univ Maryland, Dept Elect & Comp Engn, College Pk, MD 20742 USA
基金
美国国家科学基金会;
关键词
Gaussian multiple-input multiple-output (MIMO) broadcast channel; secrecy capacity region; SECRECY CAPACITY;
D O I
10.1109/TIT.2012.2204529
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
We study the two-user Gaussian multiple-input multiple-output (MIMO) broadcast channel with common and confidential messages. In this channel, the transmitter sends a common message to both users, and a confidential message to each user which needs to be kept perfectly secret from the other user. We obtain the entire capacity region of this channel. We also explore the connections between the capacity region we obtain for the Gaussian MIMO broadcast channel with common and confidential messages and the capacity region of its nonconfidential counterpart, i.e., the Gaussian MIMO broadcast channel with common and private messages, which is not known completely.
引用
收藏
页码:5669 / 5680
页数:12
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