249 citations · 1.8k across the 166 of their papers we have counts for
22 papers · 1 filter
Aerial RIS-Enhanced Communications: Joint UAV Trajectory, Altitude Control, and Phase Shift Design
Bin Li, Dongdong Yang, Lei Liu +1
Reconfigurable intelligent surface (RIS) has emerged as a pivotal technology for enhancing wireless networks. Compared to terrestrial RIS deployed on building facades, aerial RIS (…
Multi-Functional RIS Integrated Sensing and Communications for 6G Networks
Dongsheng Han, Peng Wang, Wanli Ni +4
In this paper, we propose a novel multi-functional reconfigurable intelligent surface (MF-RIS) that supports signal reflection, refraction, amplification, and target sensing simult…
Integrated Location Sensing and Communication for Ultra-Massive MIMO With Hybrid-Field Beam-Squint Effect
Zhen Gao, Xingyu Zhou, Boyu Ning +3
The advent of ultra-massive multiple-input-multiple output systems holds great promise for next-generation communications, yet their channels exhibit hybrid far- and near- field be…
Unauthorized UAV Countermeasure for Low-Altitude Economy: Joint Communications and Jamming based on MIMO Cellular Systems
Zhuoran Li, Zhen Gao, Kuiyu Wang +5
To ensure the thriving development of low-altitude economy, countering unauthorized unmanned aerial vehicles (UAVs) is an essential task. The existing widely deployed base stations…
GNN-Enabled Optimization of Placement and Transmission Design for UAV Communications
Qinyu Wang, Yang Lu, Wei Chen +3
This paper applies graph neural networks (GNN) in UAV communications to optimize the placement and transmission design. We consider a multiple-user multiple-input-single-output UAV…
Robust Beamforming Design for Near-Field DMA-NOMA mmWave Communications With Imperfect Position Information
Yue Xiu, Yang Zhao, Songjie Yang +4
For millimeter-wave (mmWave) non-orthogonal multiple access (NOMA) communication systems, we propose an innovative near-field (NF) transmission framework based on dynamic metasurfa…
Deep Joint Semantic Coding and Beamforming for Near-Space Airship-Borne Massive MIMO Network
Minghui Wu, Zhen Gao, Zhaocheng Wang +3
Near-space airship-borne communication network is recognized to be an indispensable component of the future integrated ground-air-space network thanks to airships' advantage of lon…
From Single to Multi-Functional RIS: Architecture, Key Technologies, Challenges, and Applications
Wanli Ni, Ailing Zheng, Wen Wang +3
Although reconfigurable intelligent surfaces (RISs) have demonstrated the potential to boost network capacity and expand coverage by adjusting their electromagnetic properties, exi…
Cross-domain Learning Framework for Tracking Users in RIS-aided Multi-band ISAC Systems with Sparse Labeled Data
Jingzhi Hu, Dusit Niyato, Jun Luo
Integrated sensing and communications (ISAC) is pivotal for 6G communications and is boosted by the rapid development of reconfigurable intelligent surfaces (RISs). Using the chann…
Multi-Objective Optimization-Based Waveform Design for Multi-User and Multi-Target MIMO-ISAC Systems
Peng Wang, Dongsheng Han, Yashuai Cao +2
Integrated sensing and communication (ISAC) opens up new service possibilities for sixth-generation (6G) systems, where both communication and sensing (C&S) functionalities co-exis…
Generative Artificial Intelligence Assisted Wireless Sensing: Human Flow Detection in Practical Communication Environments
Jiacheng Wang, Hongyang Du, Dusit Niyato +5
Groundbreaking applications such as ChatGPT have heightened research interest in generative artificial intelligence (GAI). Essentially, GAI excels not only in content generation bu…
AI-Empowered RIS-Assisted Networks: CV-Enabled RIS Selection and DNN-Enabled Transmission
Conggang Hu, Yang Lu, Hongyang Du +3
This paper investigates artificial intelligence (AI) empowered schemes for reconfigurable intelligent surface (RIS) assisted networks from the perspective of fast implementation. W…
Multi-objective Optimization for Multi-UAV-assisted Mobile Edge Computing
Geng Sun, Yixian Wang, Zemin Sun +4
Recent developments in unmanned aerial vehicles (UAVs) and mobile edge computing (MEC) have provided users with flexible and resilient computing services. However, meeting the comp…
Collaborative Computing in Non-Terrestrial Networks: A Multi-Time-Scale Deep Reinforcement Learning Approach
Yang Cao, Shao-Yu Lien, Ying-Chang Liang +3
Constructing earth-fixed cells with low-earth orbit (LEO) satellites in non-terrestrial networks (NTNs) has been the most promising paradigm to enable global coverage. The limited…
Generative AI-driven Semantic Communication Networks: Architecture, Technologies and Applications
Chengsi Liang, Hongyang Du, Yao Sun +4
Generative artificial intelligence (GAI) has emerged as a rapidly burgeoning field demonstrating significant potential in creating diverse contents intelligently and automatically.…
Acceleration Estimation of Signal Propagation Path Length Changes for Wireless Sensing
Jiacheng Wang, Hongyang Du, Dusit Niyato +3
As indoor applications grow in diversity, wireless sensing, vital in areas like localization and activity recognition, is attracting renewed interest. Indoor wireless sensing relie…
AI-Generated Incentive Mechanism and Full-Duplex Semantic Communications for Information Sharing
Hongyang Du, Jiacheng Wang, Dusit Niyato +3
The next generation of Internet services, such as Metaverse, rely on mixed reality (MR) technology to provide immersive user experiences. However, the limited computation power of…
Semantic-Aware Sensing Information Transmission for Metaverse: A Contest Theoretic Approach
Jiacheng Wang, Hongyang Du, Zengshan Tian +4
With the advancement of network and computer technologies, virtual cyberspace keeps evolving, and Metaverse is the main representative. As an irreplaceable technology that supports…
Semantic Communications for Wireless Sensing: RIS-aided Encoding and Self-supervised Decoding
Hongyang Du, Jiacheng Wang, Dusit Niyato +5
Semantic communications can reduce the resource consumption by transmitting task-related semantic information extracted from source messages. However, when the source messages are…
Optimization-driven Hierarchical Learning Framework for Wireless Powered Backscatter-aided Relay Communications
Shimin Gong, Yuze Zou, Jing Xu +3
In this paper, we employ multiple wireless-powered relays to assist information transmission from a multi-antenna access point to a single-antenna receiver. The wireless relays can…
Radio Resource Management in Joint Radar and Communication: A Comprehensive Survey
Nguyen Cong Luong, Xiao Lu, Dinh Thai Hoang +2
Joint radar and communication (JRC) has recently attracted substantial attention. The first reason is that JRC allows individual radar and communication systems to share spectrum b…
Towards Federated Learning in UAV-Enabled Internet of Vehicles: A Multi-Dimensional Contract-Matching Approach
Wei Yang Bryan Lim, Jianqiang Huang, Zehui Xiong +5
Coupled with the rise of Deep Learning, the wealth of data and enhanced computation capabilities of Internet of Vehicles (IoV) components enable effective Artificial Intelligence (…