A5100382943- Radar Systems and Signal Processing
- Indoor and Outdoor Localization Technologies
- Advanced Wireless Communication Technologies
- Advanced Wireless Communication Techniques
- Error Correcting Code Techniques
- Wireless Communication Security Techniques
- UAV Applications and Optimization
- Advanced MIMO Systems Optimization
- Antenna Design and Optimization
- Antenna Design and Analysis
- Satellite Communication Systems
- Nonlinear Dynamics and Pattern Formation
- Full-Duplex Wireless Communications
- Advanced SAR Imaging Techniques
- Cooperative Communication and Network Coding
- Energy Harvesting in Wireless Networks
- Power Line Communications and Noise
- Advanced biosensing and bioanalysis techniques
- PAPR reduction in OFDM
- Underwater Vehicles and Communication Systems
- Direction-of-Arrival Estimation Techniques
- DNA and Biological Computing
- Advanced Antenna and Metasurface Technologies
- Image and Signal Denoising Methods
- Cognitive Radio Networks and Spectrum Sensing
Beijing Institute of Technology
2008-2025
Jiangnan University
2008-2025
Ministry of Ecology and Environment
2025
Donghua University
2025
Dalian University
2025
Beijing Information Science & Technology University
2024
Xi'an Jiaotong University
2019-2024
China Agricultural University
2024
Southwest Jiaotong University
2024
Shandong University of Technology
2024
Dual-functional radar-communication (DFRC) technique has been viewed as a promising component in the emerging platforms. When synthesizing desired transmit beampattern, degrees of freedom waveform design is limited, which introduces high multi-user interference (MUI), thus degrading communication performance. Inspired by applications Reconfigurable Intelligent Surface (RIS) mitigating MUI, this paper, we investigate joint and passive beamforming RIS-assisted DFRC system. We first study...
Integrated sensing and communication (ISAC) technique has been viewed as a promising component in future network. A major challenge for ISAC systems is that the constraint introduced by functionality will constrain degrees of freedom waveform design results large multi-user interference (MUI), thus degrading performance. In this paper, we study employment RIS mitigating MUI systems. For practical consideration, investigate joint constant-modulus discrete phase shift design, with aim...
One effective solution to inhibit side reactions and Zn dendrite growth in aqueous Zn-ion batteries is add a cosolvent into the Zn(CF3SO3)2 electrolyte, which has potential form robust solid electrolyte interface composed of ZnF2 ZnS. Nevertheless, there still lack discussion on convenient selection method for cosolvents, can directly reflect interactions between solvent solute rationally design solvation structure. Herein, logP, where P octanol-water partition coefficient, general parameter...
Flexible strain sensors have attracted much attention due to their good flexibility, high sensitivity, superior repeatability, and great potentials for application in physiological signal detection. Carbon materials, including carbon nanotubes, graphene, black, graphite, natural-bioderived materials are often used as active the fabrication of flexible because electrical conductivity flexibility. Among them, nanotubes graphene can be prepared into various forms, such fibers, films, or...
In this paper, we investigate the network utility maximization problem in a dual-functional radar-communication multi-unmanned aerial vehicle (multi-UAV) where multiple UAVs serve group of communication users and cooperatively sense target simultaneously. To balance sensing performance, formulate joint UAV location, user association, transmission power control to maximize total under constraint localization accuracy. We then propose computationally practical method solve NP-hard by...
Reconfigurable intelligent surface (RIS) has been considered in wireless communication systems to improve spectral efficiency. This letter addresses the spectrum sharing problem between multiple-input-multiple-output (MIMO) radar and multi-user MISO systems, where RIS is exploited deal with interference imposed by base station (BS). We aim maximize detection probability jointly optimizing BS transmit beamformer phase shift matrix, subject users' signal-to-interference-plus-noise-ratio power...
Beamforming design is an important technique for enhancing the performance of integrated sensing and communication (ISAC) systems. However, related research based on hybrid analog-digital (HAD) architecture still limited. In this paper, we investigate partially-connected beamforming multi-user ISAC Instead commonly used beampattern metric, Cramér-Rao bound (CRB) employed as metric direction arrival (DOA) estimation. We aim to minimize CRB while satisfying signal-to-interference-plus-noise...
To facilitate the development of Internet Things (IoT) services, future networks are expected to simultaneously provide sensing functionality and support low-power communications. In this article, we investigate system sum-rate maximization problem in an integrated reconfigurable intelligent surface (RIS) backscatter communication system, where base station (BS) detects backscattered signals from multiple IoT devices senses targets based on echo signals. We formulate a joint transmit...
The air-ground integrated sensing and communications (AG-ISAC) network, which consists of unmanned aerial vehicles (UAVs) ground terrestrial networks, offers unique capabilities demands special design techniques. In this article, we provide a review on AG-ISAC, by introducing UAVs as "relay" nodes for both to resolve the power computation constraints UAVs. We first introduce an AG-ISAC framework, including system architecture protocol. Four potential use cases are then discussed, with...
In this paper, we investigate the realization of covert communication in a general radar-communication cooperation system, which includes integrated sensing and communications as special example. We explore possibility utilizing ability radar to track jam aerial adversary target attempting detect transmission. Based on echoes from target, extended Kalman filtering technique is employed predict its trajectory well corresponding channels. Depending maneuvering altitude two channel state...
Integrated sensing and communication (ISAC) is a pivotal technology for future sixth generation (6G) communications. It aggregates wireless functionalities into one system while sharing spatial, temporal, frequency resources. In this article, review on artificial intelligence (AI) enhanced ISAC provided by introducing AI algorithms to performance gain. We first present general framework AI-enhanced ISAC, delineating its advancements from the collaboration of sensing, communication, AI....
Abstract Numerous oceanic mesoscale eddies occur in the South China Sea (SCS). The present study employs eight automatic eddy detection algorithms to identify these and compares results. Eddy probabilities areas detected by various differ substantially. Most regions of SCS with a high discrepancy are those few eddies, except for area west Luzon Strait, Island between 12° 17°N, southernmost end basin. They primarily caused strong interference, noncircular shapes, gentle sea level anomaly...
This letter proposes a sensing-assisted uplink communications framework between single-antenna user and full-duplex (FD) base station (BS) against an aerial eavesdropper (AE). To protect the information from being overheard, BS transmits radar signals to localize jam AE while receiving signals. The signal transmission is divided into detection phase tracking phase. In phase, synthesizes wide beam under secrecy rate constraint; in maximizes signal-to-interference-plus-noise ratio (SINR) of...
In this letter, we consider the secure multi-user downlink communication scheme against eavesdroppers in Integrated Sensing and Communication (ISAC) systems, where ISAC base station (BS) transmits waveform to serve users sense targets, artificial noise (AN) is employed guarantee transmission secrecy. particular, study robust beamforming design under assumption of imperfect legitimate users' eavesdroppers' channel state information (CSI). Specifically, aim minimize squared error between...
In reconfigurable intelligent surface (RIS)-assisted wireless communication systems, channel estimation is of paramount importance to unleash the full advantage high passive beamforming gains from RIS. However, it particularly challenging due massive number RIS reflecting elements which lack signal perception and processing capabilities, thus incurring prohibitively pilot overhead between transceivers. To address this challenge, we focus on an RIS-assisted multiuser multiple-input...
Orthogonal time frequency space (OTFS) modulation has shown its advantages in high-mobility scenarios compared to orthogonal division multiplexing. In this work, we focus on the OTFS pilot design and optimization from perspective of improving spectrum efficiency without degrading channel estimation symbol detection performance. We first propose a novel pattern, where proportion guard symbols is reduced. To achieve accurate estimation, based average mutual incoherence property criterion,...
In this paper, we propose a secure multi-user uplink communicaion scheme against mobile aerial eavesdropper (AE) in Integrated Sensing and Communication (ISAC) systems, where the ISAC base station transmits radar signals to track jam AE. For tracking AE, adopt an extended Kalman filter technique predict AE's motion state. Based on information formulate optimization problem jointly design signal receiver beamformer for improving secrecy performance. To deal with non-convex constraints coupled...
In this paper, we propose a novel symbiotic sensing and communication (SSAC) framework, comprising base station (BS) passive node. particular, the BS transmits waveform to serve vehicle users (VUEs), while node is employed execute tasks based on echoes in bistatic manner, thereby avoiding issue of self-interference. Besides weak target interest, tracks VUEs shares results with facilitate sensing-assisted beamforming. By considering both fully digital arrays hybrid analog-digital (HAD)...