Secure Alamouti Multiple Access Channel Transmissions: Multiuser Transmission and Multi-Antenna Eavesdroppers

被引：7

作者：

Allen, T. ^{[1
]}

Tajer, A. ^{[2
]}

Al-Dhahir, N. ^{[3
]}

机构：

[1] Gen Dynam Missions Syst, Scottsdale, AZ 85257 USA

[2] Rensselaer Polytech Inst, Elect Comp & Syst Engn Dept, Troy, NY 12180 USA

[3] Univ Texas Dallas, Dept Elect Engn, Richardson, TX 75080 USA

来源：

IEEE WIRELESS COMMUNICATIONS LETTERS | 2019年 / 8卷 / 05期

关键词：

Artificial noise; multiple access channel; physical layer security; space-time block code;

D O I：

10.1109/LWC.2019.2925356

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

Using the Alamouti space-time block code in conjunction with artificial noise (AN) is an effective approach to secure multiple access (MAC) transmission in the presence of eavesdroppers. Existing studies on this technique focus on the two-user transmission systems and single-antenna eavesdroppers. This letter proposes a novel approach that generalizes this technique to multiuser transmission schemes and multi-antenna eavesdroppers. Security gains are analyzed, and the minimum number of MAC users that should participate in generating the AN in order to secure their transmissions is characterized analytically.

引用

页码：1510 / 1513

页数：4

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