NDLI: Secrecy performance of massive MIMO relay-aided downlink with multiuser transmission

Content Provider	IET Digital Library
Author	Nguyen, Do Dung Bao, Vo Nguyen Quoc Chen, Qingchun
Abstract	In this study, the authors study secure multiuser transmission in a massive multiple-input multiple-output (MIMO) relaying system, where a base station sends its messages to multiusers via an amplify-and-forward relay station. Beamforming matrices of maximum ratio combining/maximum ratio transmission (MRC/MRT) and zero-forcing reception/zero-forcing transmission (ZFR/ZFT) at relay are considered. The authors derive exact and asymptotic expressions for user rate and outage secrecy rate for a predetermined secure outage probability of eavesdropper links with channel state information imperfection. They have shown that ZFR/ZFT is a better choice than MRC/MRT from the perspectives of secrecy performance. Furthermore, the asymptotic analysis is proposed to show that almost the eavesdropper rates in all cases are degraded as a number of relay antennas goes to infinity, and simultaneously the transmit power at the base station and the relay can be scaled down significantly. Finally, numerical results provide more insightful validity of the proposed analysis.
Starting Page	1207
Ending Page	1217
Page Count	11
ISSN	17518628
Volume Number	13
e-ISSN	17518636
Issue Number	Issue 9, Jun (2019)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-com/13/9
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-com.2018.5370
Journal	IET Communications
Publisher Date	2019-02-22
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Amplify And Forward Communication Amplify- Relay Station Antenna Array Array Signal Processing Authors Study Base Station Beamforming Matrices Channel State Information Imperfection Diversity Reception Eavesdropper Rates Forward Relay Station Massive MIMO Relay-aided Downlink Massive Multiple-input Multiple-output Relaying System Maximum Ratio MIMO Communication MRC/MRT Multiusers Outage Secrecy Rate Predetermined Secure Outage Probability Probability Radio Link And Equipment Relay Antenna Relay Network Secrecy Performance Secure Multiuser Transmission Signal Processing And Detection Statistics Telecommunication Telecommunication Security User Rate Wireless Channel Zero-forcing Reception ZFR/ZFT
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Computer Science Applications

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