期刊
IEEE TRANSACTIONS ON INFORMATION THEORY
卷 58, 期 9, 页码 5669-5680出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TIT.2012.2204529
关键词
Gaussian multiple-input multiple-output (MIMO) broadcast channel; secrecy capacity region
资金
- National Science Foundation [CCF 04-47613, CCF 05-14846, CNS 07-16311, CCF 07-29127]
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.
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