Abstract: The secure transmission for Reconfigurable Intelligent Surface (RIS) assisted wireless communication systems is investigated in this paper. In the studied model, one user connects to the access point via a RIS while an eavesdropper eavesdrops on the ...
Abstract: To resolve the problems of the effect of channel uncertainties, information leakage of users and energy-efficient improvement, a robust resource allocation algorithm for Reconfigurable Intelligent Surface (RIS)-assisted multiple-input single-output s...
Abstract: Recently, there is a growing interest in employing Intelligent Reflecting Surface (IRS) to assist physical layer key generation in wireless networks. However, current works only study the IRS-aided key generation schemes in Single-Input-Single-Output...
Abstract: To improve the security of wireless transmission system and solve the problem that wireless channel is easily blocked by obstacles, a secure communication method based on an Intelligent Reflecting Surface (IRS) assisted Unmanned Air Vehicle (UAV) rel...
Abstract: In this paper, a low complexity channel estimation algorithm is proposed, which is used to reduce the computational complexity of the millimeter wave channel estimation in the massive MIMO systems assisted by the Reconfigurable Intelligent Surfaces (...
Abstract: In order to enhance the transmission performance of Ultra-Reliable and Low-Latency Communication (URLLC) services in small cell in heterogeneous network scenarios, this paper proposes a beamforming algorithm based on Intelligent Reflecting Surface (I...
Abstract: This paper investigates the optimization problem of physical layer security for an Intelligent Reflecting Surface (IRS) assisted multi-user downlink system. In each time slot, the information is sent to one user and is kept confidential from to other...
Abstract: In order to compensate the performance loss caused by obstacle blocking in Mobile Edge Computing (MEC) system, a partial task offloading framework supported by Reconfigurable Intelligent Surface (RIS) is proposed. Firstly, the influence of the reflec...
Abstract: To resolve the effect of channel uncertainties and low energy transfer efficiency caused by obstacles, a robust Energy Efficiency (EE) maximization algorithm for an Intelligent Reflecting Surface (IRS)-assisted Wireless-Powered Communication Network ...
Abstract: In order to mitigate the adverse effect of blockages between the Unmanned Aerial Vehicle (UAV) and Ground Users (GUs), a throughput maximization algorithm for an Intelligent Reflecting Surface (IRS)-aided UAV communication network is proposed. First,...
Abstract: To improve the robustness and Energy Efficiency (EE) of Non-Orthogonal Multiple Access (NOMA)-based networks, a robust EE maximization-based algorithm is proposed in a Reconfigurable Intelligent Surface (RIS)-assisted NOMA network with imperfect chan...
Abstract: Reconfigurable Intelligent Surface (RIS), which can intelligently change the wireless propagation environment to improve significantly communication performance, has been regarded as one of the potential key technologies of 6G. In order to enhance fu...
Abstract: To mitigate the effects of shadow fading and obstacle blocking, Intelligent Reflecting Surface (IRS) has become an effective technology to improve Energy Efficiency (EE) and reduce hardware cost of wireless communication systems. However, traditional...
Abstract: Equivalent channel time variation caused by coefficient conversion of reflective elements in Zero Prefix Orthogonal Frequency Division Multiplexing (ZP-OFDM) system in Reconfigurable Intelligent Surface (RIS) scene, it destroys the orthogonality of O...
Abstract: To reduce the influence of eavesdropper on the information reception of the legitimate receiver and the amount of useful information received by the eavesdropper, the beam cancellation at the eavesdropper in Wireless Powered Communication Network (WP...
Abstract: Reconfigurable Intelligent Surface (RIS) breaks technological limitations of traditional wireless communication systems, it creates new opportunities for development of 5G-Adv and 6G by introducing reconfigurable communication environment. RIS system...
Abstract: For the higher requirements of communication quality and spectrum efficiency in future wireless mobile communication systems, this paper combines Index Modulation (IM) and Reconfigurable Intelligent Surface (RIS) technologies to establish the RIS-ass...
Abstract: In this work, an Intelligent Reflecting Surface (IRS) aided and Artificial Noise (AN) enhanced covert wireless communications is considered to improve the covert transmission performance. Firstly, the detection performance at Willie is analyzed and a...
Abstract: Millimeter-wave is a typical line-of-sight transmission method, which is seriously affected by atmospheric absorption. Aiming at the limited non-line-of-sight propagation of millimeter waves, Intelligent Reflecting Surface (IRS) is used to assist mil...
Abstract: In this paper, the optimization problem of the 3D trajectory for Unmanned Aerial Vehicle (UAV) assisted by Reconfigurable Intelligent Surface (RIS) in physical layer security is studied. Specifically, when the RIS assisted UAV transmits wirelessly in...
Abstract: In order to meet the high computing demands caused by emerging compute-intensive applications in Mobile Edge Computing (MEC), this paper proposes a Digital Twin (DT)-empowered task offloading scheme where Reconfigurable Intelligent Surface (RIS) is u...
Abstract: The Reconfigurable Intelligent Surface (RIS) is a new and cost-effective solution for achieving high energy efficiency through massive low-cost passive elements. In the far field case, a lot of work are carried out on the assumption that the center o...
Abstract: In Mobile Edge Computing (MEC) environment, deploying application services in the form of Virtual Machines (VM) at the edge of the network can effectively reduce the service response delay and reduce the data traffic of core network. There have been ...
Abstract: The current rapid growth of Internet of Things (IoT) applications is a huge challenge to the computing power of user equipment. The Fog Computing (FC) network can provide short-distance and fast computing services for user equipment, and provides a s...
Abstract: Considering the technical difficulty of radar to detect small targets embedded in the sea clutter, a three-feature fusion detection method based on diagonal integrated bispectrum is proposed. Firstly, the diagonal integrated bispectrum is obtained fr...
Abstract: The Intermittent Frequency Modulation Continuous Wave (IFMCW) Synthetic Aperture Radar (SAR) mode solves the problem that the spaceborne Frequency Modulation Continuous Wave (FMCW) SAR must be bistatic by alternately transmitting and receiving signal...
Abstract: To deal with the grid mismatch problem of compressed sensing algorithms in polarization-sensitive array Direction Of Arrival (DOA) estimation, a gridless signal parameter estimation algorithm for orthogonal dipole array based on Finite Rate of Innova...
Abstract: Considering the multi solution problem of minimum solution method for calibration of 2D lidar and camera, a calibration method based on the estimation of the effective lower bound of observation probability is proposed. Firstly, a hierarchical cluste...
Abstract: Considering poor performance of target state estimation for Gaussian Mixture Probability Hypothesis Density(GM-PHD) filter when the target velocity is unknown or inaccurate, a combined smoothing filtering algorithm for motion parameter estimation bas...
Abstract: This paper studies the task of crowd anomaly detection. Considering the problems of crowd scene video background being redundant, susceptible to light and noise, and actual deployment, a Crowd anomaly Multi-scale feature memory network (CaMsm-net) is...
Abstract: In order to solve the problem of poor quality and slow speed in turbid water image enhancement based on Cycle Generative Adversarial Networks (CycleGAN), a scalable, selective and efficient block Bottleneck Selective Dilated Kernel (BSDK) is proposed...
Abstract: According to the mechanism of visual information interactive perception between dual Visual Pathways(VP) in the biological vision system, a new method of contour detection is proposed. Considering the visual stimulus in the hypocritical pathway flowi...
Abstract: In view of the non-convex defect of the image selective segmentation model based on geodesic distance, a convex selective segmentation model by convex relaxation is proposed. The relationship between the solution of the convex model and that of the o...
Abstract: In the field of speech separation using deep learning, the Recurrent Neural Network (RNN) is commonly used for speech separation, but the network model has a gradient descent problem in the separation process, and the separation result is not ideal. ...
Abstract: Implementation of fast, accurate and adaptable reconstruction is one of the core topics in Tunable Diode Laser Absorption Tomography (TDLAT). In existing algorithms, a certain region at the center of combustion field is usually set as the Region of I...
Abstract: The denoising of ultrasound images is very important to improve the visual quality of ultrasound images and to accomplish other related computer vision tasks. The feature information in ultrasound images is similar to the speckle noise signal. The ex...
Abstract: In the application of reservoir geological description using logging data, some of the logging curves are often distorted or missing, and for this reason, the recovery of logging curves is a research hotspot and difficulty in related research fields....
Abstract: Source code vulnerability detection is an important method to ensure the security of software system. In recent years, a variety of deep learning models are applied to source code vulnerability detection, which improves greatly the efficiency of vuln...
Abstract: Graph Neural Networks (GNNs) are vulnerable to adversarial attacks. Existing papers do not pay attention to the relationship between adversarial attacks and statistical diagnosis, a classical branch of statistics. In this paper, the consistency of th...
Abstract: Certificateless proxy signcryption plays an increasingly significant role in information security fields. Most of certificateless proxy signcryption schemes are based on traditional mathematic theory and can not resist the quantum computing attacks. ...
Abstract: Quasi-optical mode converter is an important component to realize the high-efficiency output for a high-power gyrotron oscillator. In this paper, design and experiments of a quasi-optical mode converter, consisting of a Denisov-type launcher and thre...
Abstract: In order to explore the bursting oscillations and its mechanism of the piecewise linear memristor-based system, a 4D piecewise linear memristor-based system with two-timescale is created by introducing a piecewise linear memristive model and a period...