83 citations · 216 across the 23 of their papers we have counts for
23 papers
STAR-RIS Assisted Covert Communications in NOMA Systems
Han Xiao, Xiaoyan Hu, Tong-Xing Zheng +1
Covert communications assisted by simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) in non-orthogonal multiple access (NOMA) systems have bee…
Simultaneously Transmitting and Reflecting RIS (STAR-RIS) Assisted Multi-Antenna Covert Communications: Analysis and Optimization
Han Xiao, Xiaoyan Hu, Pengcheng Mu +4
This paper investigates the multi-antenna covert communications assisted by a simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS). In particula…
STAR-RIS Aided Covert Communication
Han Xiao, Xiaoyan Hu, Pengcheng Mu +4
This paper investigates the multi-antenna covert communications assisted by a simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS). In particula…
Physical layer security in large-scale random multiple access wireless sensor networks: a stochastic geometry approach
Tong-Xing Zheng, Xin Chen, Chao Wang +2
This paper investigates physical layer security for a large-scale WSN with random multiple access, where each fusion center in the network randomly schedules a number of sensors to…
Physical Layer Security for NOMA-Enabled Multi-Access Edge Computing Wireless Networks
Yating Wen, Tong-Xing Zheng, Yongxia Tong +4
Multi-access edge computing (MEC) has been regarded as a promising technique for enhancing computation capabilities for wireless networks. In this paper, we study physical layer se…
Wireless Covert Communications Aided by Distributed Cooperative Jamming over Slow Fading Channels
Tong-Xing Zheng, Ziteng Yang, Chao Wang +3
In this paper, we study covert communications between {a pair of} legitimate transmitter-receiver against a watchful warden over slow fading channels. There coexist multiple friend…
Physical-Layer Security in the Finite Blocklength Regime over Fading Channels
Tong-Xing Zheng, Hui-Ming Wang, Derrick Wing Kwan Ng +1
This paper studies physical-layer secure transmissions from a transmitter to a legitimate receiver against an eavesdropper over slow fading channels, taking into account the impact…
Multi-Antenna Covert Communications in Random Wireless Networks
Tong-Xing Zheng, Hui-Ming Wang, Derrick Wing Kwan Ng +1
This paper studies multi-antenna-aided covert communications coexisting with randomly located wardens and interferers, considering both centralized and distributed antenna systems…
Adaptive Full-Duplex Jamming Receiver for Secure D2D Links in Random Networks
Hui-Ming Wang, Bing-Qing Zhao, Tong-Xing Zheng
Device-to-device (D2D) communication raises new transmission secrecy protection challenges, since conventional physical layer security approaches, such as multiple antennas and coo…
Secure and Energy-Efficient Transmissions in Cache-Enabled Heterogeneous Cellular Networks: Performance Analysis and Optimization
Tong-Xing Zheng, Hui-Ming Wang, Jinhong Yuan
This paper studies physical-layer security for a cache-enabled heterogeneous cellular network comprised of a macro base station and multiple small base stations (SBSs). We investig…
Delivery-Secrecy Tradeoff for Cache-Enabled Stochastic Networks: Content Placement Optimization
Qian Yang, Hui-Ming Wang, Tong-Xing Zheng
Wireless caching has been widely recognized as a promising technique for efficient content delivery. In this paper, by taking different file secrecy levels into consideration, phys…
Physical-Layer Security in Cache-Enabled Cooperative Small Cell Networks Against Randomly Distributed Eavesdroppers
Tong-Xing Zheng, Hui-Ming Wang, Jinhong Yuan
This paper explores the physical-layer security in a small cell network (SCN) with cooperative cache-enabled small base stations (SBSs) in the presence of randomly distributed eave…
Improving Anti-Eavesdropping Ability without Eavesdropper's CSI: A Practical Secure Transmission Design Perspective
Tong-Xing Zheng, Hui-Ming Wang, Hao Deng
This letter studies the practical design of secure transmissions without knowing eavesdropper's channel state information (ECSI). An ECSI-irrelevant metric is introduced to quantiz…
Safeguarding Millimeter Wave Communications Against Randomly Located Eavesdroppers
Ying Ju, Hui-Ming Wang, Tong-Xing Zheng +2
Millimeter wave offers a sensible solution to the capacity crunch faced by 5G wireless communications. This paper comprehensively studies physical layer security in a multi-input s…
Wireless Powered Asynchronous Backscatter Networks with Sporadic Short Packets: Performance Analysis and Optimization
Qian Yang, Hui-Ming Wang, Tong-Xing Zheng +2
In the fifth generation era, the pervasive applications of Internet of Things and massive machine-type communications have initiated increasing research interests on the backscatte…
Cooperative Transmission for Physical Layer Security by Exploring Social Awareness
Yiming Xu, Hui-Ming Wang, Qian Yang +2
Social awareness and social ties are becoming increasingly fashionable with emerging mobile and handheld devices. Social trust degree describing the strength of the social ties has…
Physical Layer Security in Wireless Ad Hoc Networks Under A Hybrid Full-/Half-Duplex Receiver Deployment Strategy
Tong-Xing Zheng, Hui-Ming Wang, Jinhong Yuan +2
This paper studies physical layer security in a wireless ad hoc network with numerous legitimate transmitter-receiver pairs and eavesdroppers. A hybrid full-/half-duplex receiver d…
Multi-Antenna Transmission in Downlink Heterogeneous Cellular Networks under A Threshold-based Mobile Association Policy
Tong-Xing Zheng, Hui-Ming Wang, Moon Ho Lee
With the recent emergence of 5G era, heterogeneous cellular networks (HCNs) have invoked a popular research interest. In this paper, we provide a comprehensive analysis for multian…
Safeguarding Decentralized Wireless Networks Using Full-Duplex Jamming Receivers
Tong-Xing Zheng, Hui-Ming Wang, Qian Yang +1
In this paper, we study the benefits of full-duplex (FD) receiver jamming in enhancing the physical-layer security of a two-tier decentralized wireless network with each tier deplo…
Impact of Artificial Noise on Cellular Networks: A Stochastic Geometry Approach
Hui-Ming Wang, Chao Wang, Tong-Xing Zheng +1
This paper studies the impact of artificial noise (AN) on the secrecy performance of a target cell in multi-cell cellular networks. Although AN turns out to be an efficient approac…
Energy-Efficient Transmission Design in Non-Orthogonal Multiple Access
Yi Zhang, Hui-Ming Wang, Tong-Xing Zheng +1
Non-orthogonal multiple access (NOMA) is considered as a promising technology for improving the spectral efficiency (SE) in 5G. In this correspondence, we study the benefit of NOMA…
Physical Layer Security in Heterogeneous Cellular Networks
Hui-Ming Wang, Tong-Xing Zheng, Jinhong Yuan +2
The heterogeneous cellular network (HCN) is a promising approach to the deployment of 5G cellular networks. This paper comprehensively studies physical layer security in a multi-ti…
Optimal Power Allocation for Artificial Noise under Imperfect CSI against Spatially Random Eavesdroppers
Tong-Xing Zheng, Hui-Ming Wang
In this correspondence, we study the secure multiantenna transmission with artificial noise (AN) under imperfect channel state information in the presence of spatially randomly dis…