Secure Hybrid Beamformers Design in mmWave MIMO Wiretap Systems

Millimeter wave (mmWave) communications have been considered as a key technology to enable very high data rate in the fifth-generation applications. Multiple-input-multiple-output (MIMO) systems with hardware efficient analog/digital hybrid beamformer architecture have been widely considered to over...

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Vydáno v:IEEE systems journal Ročník 14; číslo 1; s. 548 - 559
Hlavní autoři: Tian, Xiaowen, Liu, Qian, Wang, Zihuan, Li, Ming
Médium: Journal Article
Jazyk:angličtina
Vydáno: New York IEEE 01.03.2020
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Témata:
Algorithms
Antenna arrays
Array signal processing
Artificial noise (AN)
Beamforming
Computer simulation
Eavesdropping
Electronic surveillance
hybrid precoding
Hybrid systems
Mathematical model
millimeter wave (mmWave) communications
Millimeter waves
MIMO (control systems)
MIMO communication
multi-input–multi-output (MIMO)
Phase shifters
physical layer security (PLS)
Radio frequency
Security
Wireless communication
Wiretapping
ISSN:1932-8184, 1937-9234
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Popis
Shrnutí:Millimeter wave (mmWave) communications have been considered as a key technology to enable very high data rate in the fifth-generation applications. Multiple-input-multiple-output (MIMO) systems with hardware efficient analog/digital hybrid beamformer architecture have been widely considered to overcome the severe propagation loss of the mmWave channels. However, physical layer security in the mmWave wiretap MIMO systems and secure hybrid beamformer design have not been well investigated. In this paper, we consider the problem of the hybrid beamformer design for the secure transmission in mmWave wiretap MIMO systems in order to protect the legitimate transmission from eavesdropping. We aim to develop efficient secure hybrid beamformer design algorithms for both codebook-free and codebook-based analog beamformer schemes with either high-resolution or low-resolution phase shifters. Particularly, when eavesdropper's channel state information (CSI) is known, we first propose a joint analog precoder and combiner design algorithm that can prevent the information leakage to the eavesdropper. Then, the digital precoder and combiner are computed based on the obtained effective baseband channel to further maximize the secrecy rate. If prior knowledge of the eavesdropper's CSI is unavailable, we develop an artificial-noise-based hybrid beamforming approach, which can disrupt eavesdropper's reception while maintaining the quality-of-service of the intended receiver at a prespecified level. Extensive simulation results validate the effectiveness of the proposed secure hybrid beamformer designs under different availabilities of eavesdroppers CSI.
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ISSN:1932-8184
1937-9234
DOI:10.1109/JSYST.2019.2923819