Outage-driven link selection for secure buffer-aided networks

Wang, Dawei; He, Tianmi; Zhou, Fuhui; Cheng, Julian; Zhang, Ruonan; Wu, Qihui

doi:10.1007/s11432-021-3262-3

Cited by 27 publications

(2 citation statements)

References 38 publications

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“…In [13], Wang et al studied the delay-sensitive secure NOMA transmission for Internet-of-Things (IoT) networks. Then, Wang et al [14] investigated the outagedriven link selection for secure buffer-aided networks. Moreover, He et al [15] investigated a NOMA-enabled framework for relay deployment and network optimization in airborne access vehicular ad hoc networks.…”

Section: Introductionmentioning

confidence: 99%

Secrecy Energy Efficiency Optimization for Reconfigurable Intelligent Surface-Aided Multiuser MISO Systems

Bian

Wang

Zhou

2022

Wireless Communications and Mobile Computing

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Currently, the reconfigurable intelligent surface (RIS) has been applied to improve the physical layer security in wireless networks. In this paper, we focus on the secure transmission in RIS-aided multiple-input single-output (MISO) systems. Specifically, by assuming that only imperfect channel state information (CSI) of the eavesdropper can be obtained, we investigated the robust secrecy energy efficiency (SEE) optimization via jointly designing the active beamforming (BF), artificial noise (AN) at Alice, and the passive phase shifter at the RIS. The formulated problem is hard to handle due to the complicated secrecy rate expression as well as the infinite constraints introduced by the CSI uncertainties. By utilizing the Taylor expansion, we transformed the fractional programming into a convex problem, while all the constraints are approximated via the successive convex approximation and constrained concave-convex procedure. Then, by using the extended S-Lemma, we transform the infinite constraints into linear matrix inequality, which is convex. Finally, an alternate optimization (AO) algorithm was proposed to solve the reformulated problem. Simulation results demonstrated the performance of the proposed design.

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Section: Introductionmentioning

confidence: 99%

Secrecy Energy Efficiency Optimization for Reconfigurable Intelligent Surface-Aided Multiuser MISO Systems

Bian

Wang

Zhou

2022

Wireless Communications and Mobile Computing

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“…As a powerful supplement to the upper layer encryption techniques, the physical layer security (PLS) technology uses the physical layer characteristics of the channel itself to improve the secrecy performance. While ensuring the secure and reliable communication of the legitimate receiver, it tries to avoid the effective eavesdropping of eavesdroppers [ 1 , 2 , 3 , 4 ]. PLS technology in UAV communication networks can achieve secure transmission with low energy consumption through the differentiated design of wireless channels.…”

Section: Introductionmentioning

confidence: 99%

Intelligent Reflecting Surface Assisted Secure Transmission in UAV-MIMO Communication Systems

Cheng

Wang

et al. 2022

Entropy

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This paper studies the intelligent reflecting surface (IRS) assisted secure transmission in unmanned aerial vehicle (UAV) communication systems, where the UAV base station, the legitimate receiver, and the malicious eavesdropper in the system are all equipped with multiple antennas. By deploying an IRS on the facade of a building, the UAV base station can be assisted to realize the secure transmission in this multiple-input multiple-output (MIMO) system. In order to maximize the secrecy rate (SR), the transmit precoding (TPC) matrix, artificial noise (AN) matrix, IRS phase shift matrix, and UAV position are jointly optimized subject to the constraints of transmit power limit, unit modulus of IRS phase shift, and maximum moving distance of UAV. Since the problem is non-convex, an alternating optimization (AO) algorithm is proposed to solve it. Specifically, the TPC matrix and AN covariance matrix are derived by the Lagrange dual method. The alternating direction method of multipliers (ADMM), majorization-minimization (MM), and Riemannian manifold gradient (RCG) algorithms are presented, respectively, to solve the IRS phase shift matrix, and then the performance of the three algorithms is compared. Based on the proportional integral (PI) control theory, a secrecy rate gradient (SRG) algorithm is proposed to iteratively search for the UAV position by following the direction of the secrecy rate gradient. The theoretic analysis and simulation results show that our proposed AO algorithm has a good convergence performance and can increase the SR by 40.5% compared with the method without IRS assistance.

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CNN-DPC algorithm for hybrid precoding in millimeter-wave massive MIMO systems

et al. 2023

Wireless Netw

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Outage-driven link selection for secure buffer-aided networks

Cited by 27 publications

References 38 publications

Secrecy Energy Efficiency Optimization for Reconfigurable Intelligent Surface-Aided Multiuser MISO Systems

Secrecy Energy Efficiency Optimization for Reconfigurable Intelligent Surface-Aided Multiuser MISO Systems

Intelligent Reflecting Surface Assisted Secure Transmission in UAV-MIMO Communication Systems

CNN-DPC algorithm for hybrid precoding in millimeter-wave massive MIMO systems

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