Publications (20)
Securing NOMA Networks by Exploiting Intelligent Reflecting Surface
Zheng Zhang, Jian Chen, Qingqing Wu +3
This paper investigates the security enhancement of an intelligent reflecting surface (IRS) assisted non-orthogonal multiple access (NOMA) network, where a distributed IRS enabled…
Secure Non-Orthogonal Multiple Access: An Interference Engineering Perspective
Lu Lv, Hai Jiang, Zhiguo Ding +3
Non-orthogonal multiple access (NOMA) is an efficient approach that can improve spectrum utilization and support massive connectivity for next-generation wireless networks. However…
Vertical Pinching Antenna Systems (V-PAS) Aided UAV Communications
Tao Wang, Kunrui Cao, Yayun Qu +4
To address the limitation that existing horizontal pinching antenna systems (PAS) are primarily designed for ground users and confined to two-dimensional (2D) coverage, this paper…
Secure Two-Way Communications via Intelligent Reflecting Surfaces
Lu Lv, Qingqing Wu, Zan Li +2
In this letter, we propose to exploit an intelligent reflecting surface (IRS) to secure multiuser two-way communications. Specifically, two end users simultaneously transmit their…
Cognitive Non-Orthogonal Multiple Access with Cooperative Relaying: A New Wireless Frontier for 5G Spectrum Sharing
Lu Lv, Jian Chen, Qiang Ni +2
Two emerging technologies towards 5G wireless networks, namely non-orthogonal multiple access (NOMA) and cognitive radio (CR), will provide more efficient utilization of wireless s…
Covert Communication in Intelligent Reflecting Surface-Assisted NOMA Systems: Design, Analysis, and Optimization
Lu Lv, Qingqing Wu, Zan Li +3
In this paper, we investigate covert communication in an intelligent reflecting surface (IRS)-assisted non-orthogonal multiple access (NOMA) system, where a legitimate transmitter…
Intelligent Reflecting Surface-Assisted Symbiotic Radio Systems: A Double-Reflection Covert Communication Design
Yunpeng Feng, Jian Chen, Lu Lv +4
We investigate covert communication in an intelligent reflecting surface (IRS)-assisted symbiotic radio (SR) system under the parasitic SR (PSR) and the commensal SR (CSR) cases, w…
Discriminability-Driven Spatial-Channel Selection with Gradient Norm for Drone Signal OOD Detection
Chuhan Feng, Jing Li, Jie Li +2
We propose a drone signal out-of-distribution (OOD) detection algorithm based on discriminability-driven spatial-channel selection with a gradient norm. Time-frequency image featur…
Robust and Secure Communications in Intelligent Reflecting Surface Assisted NOMA networks
Zheng Zhang, Lu Lv, Qingqing Wu +2
This letter investigates secure transmission in an intelligent reflecting surface (IRS) assisted non-orthogonal multiple access (NOMA) network. Consider a practical eavesdropping s…
Covert Communications in Active-IOS Aided Uplink NOMA Systems With Full-Duplex Receiver
Xueyu Kang, Nan Qi, Lu Lv +3
In this paper, an active intelligent omni-surface (A-IOS) is deployed to aid uplink transmissions in a non-orthogonal multiple access (NOMA) system. In order to shelter the covert…
Cognitive Fusion of ZC Sequences and Time-Frequency Images for Out-of-Distribution Detection of Drone Signals
Jie Li, Jing Li, Lu Lv +2
We propose a drone signal out-of-distribution detection (OODD) algorithm based on the cognitive fusion of Zadoff-Chu (ZC) sequences and time-frequency images (TFI). ZC sequences ar…
Drone Remote Identification Based on Zadoff-Chu Sequences and Time-Frequency Images
Jie Li, Jing Li, Lu Lv +2
We propose an algorithm based on Zadoff-Chu (ZC) sequences and time-frequency images (TFI) to achieve drone remote identification (RID). Specifically, by analyzing the modulation p…
High quality Fe1+yTe synthesized by chemical vapor deposition with conspicuous vortex flow
Lu Lv, Lihong Hu, Weikang Dong +12
Two-dimensional (2D) materials provide an ideal platform to explore novel superconducting behavior including Ising superconductivity, topological superconductivity and Majorana bou…
Joint Power Allocation and Decoding Order Selection for NOMA Systems: Outage-Optimal Strategies
Mengqi Yang, Jian Chen, Zhiguo Ding +3
We investigate joint power allocation and decoding order selection (PA-DOS) aimed at enhancing the outage performance of non-orthogonal multiple access (NOMA) systems. By consideri…
Is the Performance of NOMA-aided Integrated Sensing and Multicast-Unicast Communications Improved by IRS?
Yang Gou, Yinghui Ye, Guangyue Lu +2
In this paper, we consider intelligent reflecting surface (IRS) in a non-orthogonal multiple access (NOMA)-aided Integrated Sensing and Multicast-Unicast Communication (ISMUC) syst…
Security Enhancement for Coupled Phase-Shift STAR-RIS Networks
Zheng Zhang, Zhaolin Wang, Yuanwei Liu +3
The secure transmission of the simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) aided communication system is investigated. Considering the…
Secure Wireless-Powered zeRIS Communications
Jingyu Chen, Kunrui Cao, Panagiotis D. Diamantoulakis +4
This paper introduces the concept of wireless-powered zero-energy reconfigurable intelligent surface (zeRIS), and investigates a wireless-powered zeRIS aided communication system i…
PLA for Drone RID Frames via Motion Estimation and Consistency Verification
Jie Li, Jing Li, Lu Lv +2
Drone Remote Identification (RID) plays a critical role in low-altitude airspace supervision, yet its broadcast nature and lack of cryptographic protection make it vulnerable to sp…
Dim and Small Target Detection for Drone Broadcast Frames Based on Time-Frequency Analysis
Jie Li, Jing Li, Zhanyu Ju +2
We propose a dim and small target detection algorithm for drone broadcast frames based on the time-frequency analysis of communication protocol. Specifically, by analyzing modulati…
Safeguarding Next Generation Multiple Access Using Physical Layer Security Techniques: A Tutorial
Lu Lv, Dongyang Xu, Rose Qingyang Hu +6
Driven by the ever-increasing requirements of ultra-high spectral efficiency, ultra-low latency, and massive connectivity, the forefront of wireless research calls for the design o…