Secrecy Sum Rates of MIMO Multi-Receiver Wiretap Channels

被引：7

作者：

Park, Daeyoung ^{[1
]}

机构：

[1] Inha Univ, Dept Informat & Commun Engn, Inchon 402751, South Korea

来源：

IEEE COMMUNICATIONS LETTERS | 2016年 / 20卷 / 09期

关键词：

MIMO broadcast wiretap channel; secrecy sum rate; MIMO BC-MAC duality; TAP CHANNEL; CAPACITY;

D O I：

10.1109/LCOMM.2016.2586889

中图分类号：

TN [电子技术、通信技术];

学科分类号：

0809 ;

摘要：

We consider MIMO multi-receiver wiretap channels where the transmitter sends confidential messages to legitimate receivers in the presence of an external eavesdropper. Since the secrecy sum rate maximization problem is nonconvex, we derive an equivalent alternating optimization problem. We propose an iterative algorithm to find the optimal transmit covariance matrix based on the MIMO BC-MAC duality. We prove that the limit point satisfies the KKT conditions of the original secrecy sum rate maximization problem.

引用

页码：1804 / 1807

页数：4

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