activity
20092023
most citedSum-Rate Maximization for Multi-Reconfigurable Intelligent Surface-Assisted Device-to-Device Communications

71 citations · 363 across the 38 of their papers we have counts for

collaborators

39 papers

cs.CR2023★ 2 cited

Location Privacy Threats and Protections in 6G Vehicular Networks: A Comprehensive Review

Baihe Ma, Xu Wang, Xiaojie Lin +8

Location privacy is critical in vehicular networks, where drivers' trajectories and personal information can be exposed, allowing adversaries to launch data and physical attacks th…

cs.IT2023★ 32 cited

Learning-based Intelligent Surface Configuration, User Selection, Channel Allocation, and Modulation Adaptation for Jamming-resisting Multiuser OFDMA Systems

Xin Yuan, Shuyan Hu, Wei Ni +2

Reconfigurable intelligent surfaces (RISs) can potentially combat jamming attacks by diffusing jamming signals. This paper jointly optimizes user selection, channel allocation, mod…

cs.LG2023★ 4 cited

IronForge: An Open, Secure, Fair, Decentralized Federated Learning

Guangsheng Yu, Xu Wang, Caijun Sun +5

Federated learning (FL) provides an effective machine learning (ML) architecture to protect data privacy in a distributed manner. However, the inevitable network asynchrony, the ov…

cs.CR2022★ 1 cited

Dataset Obfuscation: Its Applications to and Impacts on Edge Machine Learning

Guangsheng Yu, Xu Wang, Ping Yu +3

Obfuscating a dataset by adding random noises to protect the privacy of sensitive samples in the training dataset is crucial to prevent data leakage to untrusted parties for edge a…

eess.SY2022★ 2 cited

Trajectory Planning of Cellular-Connected UAV for Communication-assisted Radar Sensing

Shuyan Hu, Xin Yuan, Wei Ni +1

Being a key technology for beyond fifth-generation wireless systems, joint communication and radar sensing (JCAS) utilizes the reflections of communication signals to detect foreig…

cs.IT2022

Two-Timescale Optimization for Intelligent Reflecting Surface-Assisted MIMO Transmission in Fast-Changing Channels

Yashuai Cao, Tiejun Lv, Wei Ni

The application of intelligent reflecting surface (IRS) depends on the knowledge of channel state information (CSI), and has been hindered by the heavy overhead of channel training…

cs.IT2022

Placement and Resource Allocation of Wireless-Powered Multiantenna UAV for Energy-Efficient Multiuser NOMA

Zhongyu Wang, Tiejun Lv, Jie Zeng +1

This paper investigates a new downlink nonorthogonal multiple access (NOMA) system, where a multiantenna unmanned aerial vehicle (UAV) is powered by wireless power transfer (WPT) a…

cs.IR2021

Three-dimensional Cooperative Localization of Commercial-Off-The-Shelf Sensors

Yulong Wang, Shenghong Li, Wei Ni +4

Many location-based services use Received Signal Strength (RSS) measurements due to their universal availability. In this paper, we study the association of a large number of low-c…

eess.SY2021★ 1 cited

Navigation of a UAV Equipped with a Reconfigurable Intelligent Surface for LoS Wireless Communication with a Ground Vehicle

Mohsen Eskandari, Hailong Huang, Andrey V. Savkin +1

Unmanned aerial vehicles (UAVs) have been successfully adopted to enhance the flexibility and robustness of wireless communication networks. And recently, the reconfigurable intell…

cs.IT2021★ 71 cited

Sum-Rate Maximization for Multi-Reconfigurable Intelligent Surface-Assisted Device-to-Device Communications

Yashuai Cao, Tiejun Lv, Wei Ni +1

This paper proposes to deploy multiple reconfigurable intelligent surfaces (RISs) in device-to-device (D2D)-underlaid cellular systems. The uplink sum-rate of the system is maximiz…

cs.CR2021★ 19 cited

Capacity Analysis of Public Blockchain

Xu Wang, Wei Ni, Xuan Zha +4

As distributed ledgers, blockchains run consensus protocols which trade capacity for consistency, especially in non-ideal networks with incomplete connectivity and erroneous links.…

cs.AI2021★ 56 cited

Joint Resource Management for MC-NOMA: A Deep Reinforcement Learning Approach

Shaoyang Wang, Tiejun Lv, Wei Ni +2

This paper presents a novel and effective deep reinforcement learning (DRL)-based approach to addressing joint resource management (JRM) in a practical multi-carrier non-orthogonal…

cs.IT2021★ 12 cited

Joint Estimation of Multipath Angles and Delays for Millimeter-Wave Cylindrical Arrays with Hybrid Front-ends

Zhipeng Lin, Tiejun Lv, Wei Ni +3

Accurate channel parameter estimation is challenging for wideband millimeter-wave (mmWave) large-scale hybrid arrays, due to beam squint and much fewer radio frequency (RF) chains…

eess.SP2020

Joint Optimization of Trajectory, Propulsion and Thrust Powers for Covert UAV-on-UAV Video Tracking and Surveillance

Shuyan Hu, Wei Ni, Xin Wang +2

Autonomous tracking of suspicious unmanned aerial vehicles (UAVs) by legitimate monitoring UAVs (or monitors) can be crucial to public safety and security. It is non-trivial to opt…

cs.LG2020★ 3 cited

Distributed Machine Learning for Wireless Communication Networks: Techniques, Architectures, and Applications

S. Hu, X. Chen, W. Ni +2

Distributed machine learning (DML) techniques, such as federated learning, partitioned learning, and distributed reinforcement learning, have been increasingly applied to wireless…

eess.SP2020

Tensor-based Multi-dimensional Wideband Channel Estimation for mmWave Hybrid Cylindrical Arrays

Zhipeng Lin, Tiejun Lv, Wei Ni +2

Channel estimation is challenging for hybrid millimeter wave (mmWave) large-scale antenna arrays which are promising in 5G/B5G applications. The challenges are associated with angu…

cs.NI2020★ 5 cited

Analysis and Optimization of Service Delay for Multi-quality Videos in Multi-tier Heterogeneous Network with Random Caching

Xuewei Zhang, Tiejun Lv, Yuan Ren +2

Aiming to minimize service delay, we propose a new random caching scheme in device-to-device (D2D)-assisted heterogeneous network. To support diversified viewing qualities of multi…

eess.SP2020★ 1 cited

Nested Hybrid Cylindrical Array Design and DoA Estimation for Massive IoT Networks

Zhipeng Lin, Tiejun Lv, Wei Ni +2

Reducing cost and power consumption while maintaining high network access capability is a key physical-layer requirement of massive Internet of Things (mIoT) networks. Deploying a…

eess.SP2020★ 1 cited

Cooling-Aware Resource Allocation and Load Management for Mobile Edge Computing Systems

Xiaojing Chen, Zhouyu Lu, Wei Ni +4

Driven by explosive computation demands of Internet of Things (IoT), mobile edge computing (MEC) provides a promising technique to enhance the computation capability for mobile use…

eess.SP2020★ 2 cited

Multibeam Optimization for Joint Communication and Radio Sensing Using Analog Antenna Arrays

Yuyue Luo, J. Andrew Zhang, Xiaojing Huang +2

Multibeam technology enables the use of two or more subbeams for joint communication and radio sensing, to meet different requirements of beamwidth and pointing directions. Generat…

eess.SP2020★ 3 cited

Waveform Optimization for MIMO Joint Communication and Radio Sensing Systems with Training Overhead

Xin Yuan, Zhiyong Feng, J. Andrew Zhang +4

In this paper, we study optimal waveform design to maximize mutual information (MI) for a joint communication and (radio) sensing (JCAS, a.k.a., radar-communication) multi-input mu…

eess.SY2019★ 7 cited

Modeling and Analysis of Energy Harvesting and Smart Grid-Powered Wireless Communication Networks: A Contemporary Survey

Shuyan Hu, Xiaojing Chen, Wei Ni +2

The advancements in smart power grid and the advocation of ``green communications'' have inspired the wireless communication networks to harness energy from ambient environments an…

eess.SP2019★ 64 cited

Delay-Constrained Joint Power Control, User Detection and Passive Beamforming in Intelligent Reflecting Surface Assisted Uplink mmWave System

Yashuai Cao, Tiejun Lv, Zhipeng Lin +1

Millimeter-wave (mmWave) communications provide access to spectra with bandwidths and in abundance. However, the high susceptibility of mmWave to blockage imposes crucial challenge…

cs.NI2019★ 20 cited

Design and Implementation of Secret Key Agreement for Platoon-based Vehicular Cyber-Physical Systems

Kai Li, Wei Ni, Yousef Emami +4

In platoon-based vehicular cyber-physical system (PVCPS), a lead vehicle that is responsible for managing the platoon's moving directions and velocity periodically disseminates con…