Artificial Noise-Aided Secure Generalized Spatial Modulation for Multiuser Transmission

被引：7
|
作者：
Yang, Pengli [1 ,2 ]
Qiu, Xin [1 ]
Mu, Fuqi [3 ]
机构：
[1] Chinese Acad Sci, Beijing Key Lab New Generat Radio Frequency Commu, Inst Microelect, Beijing 100029, Peoples R China
[2] Univ Chinese Acad Sci, Sch Elect Elect & Commun Engn, Beijing 100049, Peoples R China
[3] Chinese Acad Sci, Inst Microelect, Beijing 100029, Peoples R China
来源：
IEEE COMMUNICATIONS LETTERS | 2020年 / 24卷 / 11期
关键词：
Precoding; Transmitting antennas; Interference; Security; Modulation; Eavesdropping; Generalized spatial modulation; artificial noise; precoding; secret capacity;
D O I：
10.1109/LCOMM.2020.3011284
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
This letter focuses on the secure downlink multi-user generalized spatial modulation (MU-GSM) system based on the artificial noise (AN). Block diagonalization (BD) is firstly used to eliminate inter-user interference. In addition, the AN which has no impact on legitimate users is adopted to prevent eavesdropping for the first time in MU-GSM communication. Particularly, the proposed MU-GSM system can achieve satisfying security performance even without AN, which is different from the single-user scenario. Finally, the simulation results show that with AN protection and BD, the physical layer security can be significantly enhanced when compared with the random noise scheme and the multi-user precoding-aided spatial modulation.
引用
收藏
页码：2416 / 2420
页数：5
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