Publications (564)
Energy Storage Sharing in Smart Grid: A Modified Auction Based Approach
Wayes Tushar, Bo Chai, Chau Yuen +4
This paper studies the solution of joint energy storage (ES) ownership sharing between multiple shared facility controllers (SFCs) and those dwelling in a residential community. Th…
Flexible Intelligent Metasurfaces in High-Mobility MIMO Integrated Sensing and Communications
Kuranage Roche Rayan Ranasinghe, Jiancheng An, Iván Alexander Morales Sandoval +4
We propose a novel doubly-dispersive (DD) multiple-input multiple-output (MIMO) channel model incorporating flexible intelligent metasurfaces (FIMs), which is suitable for integrat…
Rydberg Atomic Quantum Receivers for Multi-Target DOA Estimation
Tierui Gong, Chau Yuen, Chong Meng Samson See +2
Quantum sensing technologies have experienced rapid progresses since entering the `second quantum revolution'. Among various candidates, schemes relying on Rydberg atoms exhibit co…
Secure Beamforming for Multiple Intelligent Reflecting Surfaces Aided mmWave Systems
Yue Xiu, Jun Zhao, Chau Yuen +2
In this letter, secure beamforming in a multiple intelligent reflecting surfaces (IRSs)-aided millimeter-wave (mmWave) system is investigated. In this system, the secrecy rate is m…
Balanced Sparsest Generator Matrices for MDS Codes
Son Hoang Dau, Wentu Song, Zheng Dong +1
We show that given and , for sufficiently large, there always exists an MDS code that has a generator matrix satisfying the following two conditions: (C1)…
Low-Interference Near-Field Multi-User Communication Enabled by Spatially Converging Multi-Mode Vortex Waves
Yufei Zhao, Qihao Lv, Yuanbin Chen +3
This paper proposes a multi-user Spatial Division Multiplexing (SDM) near-field access scheme, inspired by the orthogonal characteristics of multi-mode vortex waves. A Reconfigurab…
Multigroup Multicast Precoding in Massive MIMO
Meysam Sadeghi, Emil Björnson, Erik G. Larsson +2
Optimal physical layer multicasting (PLM) is an NP-hard problem that for simplicity has been studied under idealistic assumptions, e.g., availability of perfect channel state infor…
Robust Beamforming with Gradient-based Liquid Neural Network
Xinquan Wang, Fenghao Zhu, Chongwen Huang +5
Millimeter-wave (mmWave) multiple-input multiple-output (MIMO) communication with the advanced beamforming technologies is a key enabler to meet the growing demands of future mobil…
Exploring the Impact of RIS on Cooperative NOMA URLLC Systems: A Theoretical Perspective
Jianchao Zheng, Tuo Wu, Junteng Yao +3
In this paper, we conduct a theoretical analysis of how to integrate reconfigurable intelligent surfaces (RIS) with cooperative non-orthogonal multiple access (NOMA), considering U…
Resource Scheduling for UAVs-aided D2D Networks: A Multi-objective Optimization Approach
Hongyang Pan, Yanheng Liu, Geng Sun +2
Unmanned aerial vehicles (UAVs)-aided device-todevice (D2D) networks have attracted great interests with the development of 5G/6G communications, while there are several challenges…
Intelligent Reflecting Surface: Practical Phase Shift Model and Beamforming Optimization
Samith Abeywickrama, Rui Zhang, Chau Yuen
Intelligent reflecting surface (IRS) that enables the control of the wireless propagation environment has been looked upon as a promising technology for boosting the spectrum and e…
On Block Security of Regenerating Codes at the MBR Point for Distributed Storage Systems
Son Hoang Dau, Wentu Song, Chau Yuen
A passive adversary can eavesdrop stored content or downloaded content of some storage nodes, in order to learn illegally about the file stored across a distributed storage system…
Transforming Energy Networks via Peer to Peer Energy Trading: Potential of Game Theoretic Approaches
Wayes Tushar, Chau Yuen, Hamed Mohsenian-Rad +3
Peer-to-peer (P2P) energy trading has emerged as a next-generation energy management mechanism for the smart grid that enables each prosumer of the network to participate in energy…
A Slow-Shifting Concerned Machine Learning Method for Short-term Traffic Flow Forecasting
Zann Koh, Yan Qin, Yong Liang Guan +1
The ability to predict traffic flow over time for crowded areas during rush hours is increasingly important as it can help authorities make informed decisions for congestion mitiga…
Hybrid Precoding for Multi-Group Physical Layer Multicasting
Meysam Sadeghi, Luca Sanguinetti, Chau Yuen
Next generation of wireless networks will likely rely on large-scale antenna systems, either in the form of massive multi-input-multi-output (MIMO) or millimeter wave (mmWave) syst…
Convergence Analysis and Assurance for Gaussian Message Passing Iterative Detector in Massive MU-MIMO Systems
Lei Liu, Chau Yuen, Yong Liang Guan +2
This paper considers a low-complexity Gaussian Message Passing Iterative Detection (GMPID) algorithm for massive Multiuser Multiple-Input Multiple-Output (MU-MIMO) system, in which…
An Efficient MAC Protocol with Selective Grouping and Cooperative Sensing in Cognitive Radio Networks
Yi Liu, Shengli Xie, Rong Yu +2
In cognitive radio networks, spectrum sensing is a crucial technique to discover spectrum opportunities for the Secondary Users (SUs). The quality of spectrum sensing is evaluated…
CarbonCLIP: Enhance Carbon Prediction from Satellite Imagery via Integrated Street-View Semantics and Temporal Context Training
Zeru Yang, Fang-Ying Gong, Steve H. L. Yim +1
Accurately estimating urban carbon emissions is critical for sustainable urban planning, yet many existing approaches remain difficult to apply consistently across cities due to da…
Multi-Agent Reinforcement Learning in Wireless Distributed Networks for 6G
Jiayi Zhang, Ziheng Liu, Yiyang Zhu +9
The introduction of intelligent interconnectivity between the physical and human worlds has attracted great attention for future sixth-generation (6G) networks, emphasizing massive…
Entropy Guided Dynamic Patch Segmentation for Time Series Transformers
Sachith Abeywickrama, Emadeldeen Eldele, Min Wu +2
Patch-based transformers have emerged as efficient and improved long-horizon modeling architectures for time series modeling. Yet, existing approaches rely on temporally-agnostic p…
Urban Space Insights Extraction using Acoustic Histogram Information
Nipun Wijerathne, Billy Pik Lik Lau, Benny Kai Kiat Ng +1
Urban data mining can be identified as a highly potential area that can enhance the smart city services towards better sustainable development especially in the urban residential a…
Computation Offloading for Multi-server Multi-access Edge Vehicular Networks: A DDQN-based Method
Siyu Wang, Bo Yang, Zhiwen Yu +3
In this paper, we investigate a multi-user offloading problem in the overlapping domain of a multi-server mobile edge computing system. We divide the original problem into two stag…
Double-Directional Information Azimuth Spectrum and Relay Network Tomography for a Decentralized Wireless Relay Network
Yifan Chen, Chau Yuen
A novel channel representation for a two-hop decentralized wireless relay network (DWRN) is proposed, where the relays operate in a completely distributive fashion. The modeling pa…
Flexible Precoding for Multi-User Movable Antenna Communications
Songjie Yang, Wanting Lyu, Boyu Ning +2
This letter rethinks traditional precoding in multi-user wireless communications with movable antennas (MAs). Utilizing MAs for optimal antenna positioning, we introduce a sparse o…
Rydberg Atomic Quantum Receivers for Classical Wireless Communication and Sensing
Tierui Gong, Aveek Chandra, Chau Yuen +5
The Rydberg atomic quantum receivers (RAQR) are emerging quantum precision sensing platforms designed for receiving radio frequency (RF) signals. It relies on creation of Rydberg a…
AI-Empowered Multiple Access for 6G: A Survey of Spectrum Sensing, Protocol Designs, and Optimizations
Xuelin Cao, Bo Yang, Kaining Wang +5
With the rapidly increasing number of bandwidth-intensive terminals capable of intelligent computing and communication, such as smart devices equipped with shallow neural network m…
Encoding Complexity of Network Coding with Two Simple Multicast Sessions
Wentu Song, Kai Cai, Rongquan Feng +1
The encoding complexity of network coding for single multicast networks has been intensively studied from several aspects: e.g., the time complexity, the required number of encodin…
Power-Balanced Orthogonal Space-Time Block Code
Chau Yuen, Yong Liang Guan, Tjeng Thiang Tjhung
In this paper, we propose two new systematic ways to construct amicable orthogonal designs (AOD), with an aim to facilitate the construction of power-balanced orthogonal spacetime…
Transferable Deep Reinforcement Learning Framework for Autonomous Vehicles with Joint Radar-Data Communications
Nguyen Quang Hieu, Dinh Thai Hoang, Dusit Niyato +3
Autonomous Vehicles (AVs) are required to operate safely and efficiently in dynamic environments. For this, the AVs equipped with Joint Radar-Communications (JRC) functions can enh…
Super-Resolution Sparse MIMO-OFDM Channel Estimation Based on Spatial and Temporal Correlations
Zhen Gao, Linglong Dai, Zhaohua Lu +2
This letter proposes a parametric sparse multiple input multiple output (MIMO)-OFDM channel estimation scheme based on the finite rate of innovation (FRI) theory, whereby super-res…
Collaborative SLAM based on Wifi Fingerprint Similarity and Motion Information
Ran Liu, Sumudu Hasala Marakkalage, Madhushanka Padmal +4
Simultaneous localization and mapping (SLAM) has been extensively researched in past years particularly with regard to range-based or visual-based sensors. Instead of deploying ded…
Full Diversity Blind Signal Designs for Unique Identification of Frequency Selective Channels
Jian-Kang Zhang, Chau Yuen
In this paper, we develop two kinds of novel closed-form decompositions on phase shift keying (PSK) constellations by exploiting linear congruence equation theory: the one for fact…
DNN-Aided Block Sparse Bayesian Learning for User Activity Detection and Channel Estimation in Grant-Free Non-Orthogonal Random Access
Zhaoji Zhang, Ying Li, Chongwen Huang +3
In the upcoming Internet-of-Things (IoT) era, the communication is often featured by massive connection, sporadic transmission, and small-sized data packets, which poses new requir…
Learning More with Less: A Generalizable, Self-Supervised Framework for Privacy-Preserving Capacity Estimation with EV Charging Data
Anushiya Arunan, Yan Qin, Xiaoli Li +3
Accurate battery capacity estimation is key to alleviating consumer concerns about battery performance and reliability of electric vehicles (EVs). However, practical data limitatio…
Blockchain and 6G: The Future of Secure and Ubiquitous Communication
Ali Hussain Khan, Naveed UL Hassan, Chau Yuen +4
The future communication will be characterized by ubiquitous connectivity and security. These features will be essential requirements for the efficient functioning of the futuristi…
Codebook-Based Solutions for Reconfigurable Intelligent Surfaces and Their Open Challenges
Jiancheng An, Chao Xu, Qingqing Wu +4
Reconfigurable intelligent surfaces (RIS) is a revolutionary technology to cost-effectively improve the performance of wireless networks. We first review the existing framework of…
On Secrecy Performance of RIS-Assisted MISO Systems over Rician Channels with Spatially Random Eavesdroppers
Wei Shi, Jindan Xu, Wei Xu +3
Reconfigurable intelligent surface (RIS) technology is emerging as a promising technique for performance enhancement for next-generation wireless networks. This paper investigates…
Delay Minimization in Varying-Bandwidth Direct Multicast with Side Information
Son Hoang Dau, Zheng Dong, Chau Yuen +1
We study the delay minimization in a direct multicast communication scheme where a base station wishes to transmit a set of original packets to a group of clients. Each of the clie…
Flexible Intelligent Layered Metasurfaces for Downlink Multi-user MISO Communications
Hong Niu, Jiancheng An, Chau Yuen
Stacked intelligent metasurfaces (SIMs) have recently gained attention as a paradigm for wave-domain signal processing with reduced reliance on costly radio-frequency (RF) chains.…
DiffSG: A Generative Solver for Network Optimization with Diffusion Model
Ruihuai Liang, Bo Yang, Zhiwen Yu +5
Generative diffusion models, famous for their performance in image generation, are popular in various cross-domain applications. However, their use in the communication community h…
Performance Analysis of Two-Step Bi-Directional Relaying with Multiple Antennas
Mahshad Eslamifar, Woon Hau Chin, Chau Yuen +1
In this paper we study decode-and-forward multi-antenna relay systems that achieve bi-directional communication in two time slots. We investigate different downlink broadcast schem…
Edge Intelligence for Autonomous Driving in 6G Wireless System: Design Challenges and Solutions
Bo Yang, Xuelin Cao, Kai Xiong +5
In a level-5 autonomous driving system, the autonomous driving vehicles (AVs) are expected to sense the surroundings via analyzing a large amount of data captured by a variety of o…
WirelessMathLM: Teaching Mathematical Reasoning for LLMs in Wireless Communications with Reinforcement Learning
Xin Li, Mengbing Liu, Yiyang Zhu +4
Large language models (LLMs) excel at general mathematical reasoning but fail catastrophically on specialized technical mathematics. In wireless communications, where problems requ…
Target Sensing With Off-grid Sparse Bayesian Learning for AFDM-ISAC System
Yirui Luo, Yong Liang Guan, Yao Ge +1
The recently proposed multi-chirp waveform, affine frequency division multiplexing (AFDM), is regarded as a prospective candidate for integrated sensing and communication (ISAC) du…
Guaranteeing QoS using Unlicensed TV White Spaces for Smart Grid Applications
Naveed Ul Hassan, Wayes Tushar, Chau Yuen +2
In this paper, we consider the utilization of TV White Spaces (TVWS) by small Cognitive Radio (CR) network operators to support the communication needs of various smart grid applic…
Doppler Invariant Demodulation for Shallow Water Acoustic Communications Using Deep Belief Networks
Abigail Lee-Leon, Chau Yuen, Dorien Herremans
Shallow water environments create a challenging channel for communications. In this paper, we focus on the challenges posed by the frequency-selective signal distortion called the…
Outage Probability of Dual-Hop Multiple Antenna AF Systems with Linear Processing in the Presence of Co-Channel Interference
Guangxu Zhu, Caijun Zhong, Himal A. Suraweera +2
This paper considers a dual-hop amplify-and-forward (AF) relaying system where the relay is equipped with multiple antennas, while the source and the destination are equipped with…
Joint Unicast and Multi-group Multicast Transmission in Massive MIMO Systems
Meysam Sadeghi, Emil Björnson, Erik G. Larsson +2
We study the joint unicast and multi-group multicast transmission in massive multiple-input-multiple-output (MIMO) systems. We consider a system model that accounts for channel est…
UWB Radar SLAM: an Anchorless Approach in Vision Denied Indoor Environments
H. A. G. C. Premachandra, Ran Liu, Chau Yuen +1
LiDAR and cameras are frequently used as sensors for simultaneous localization and mapping (SLAM). However, these sensors are prone to failure under low visibility (e.g. smoke) or…
Low-complexity End-to-End Performance Optimization in MIMO Full-Duplex Relay Systems
Himal A. Suraweera, Ioannis Krikidis, Gan Zheng +2
In this paper, we deal with the deployment of full-duplex relaying in amplify-and-forward (AF) cooperative networks with multiple-antenna terminals. In contrast to previous studies…
Binary Locally Repairable Codes ---Sequential Repair for Multiple Erasures
Wentu Song, Chau Yuen
Locally repairable codes (LRC) for distribute storage allow two approaches to locally repair multiple failed nodes: 1) parallel approach, by which each newcomer access a set of …
AI-Empowered Channel Generation for IoV Semantic Communications in Dynamic Conditions
Hao Liu, Bo Yang, Zhiwen Yu +4
The Internet of Vehicles (IoV) transforms the transportation ecosystem promising pervasive connectivity and data-driven approaches. Deep learning and generative Artificial Intellig…
A Scalable Hybrid MAC Protocol for Massive M2M Networks
Yi Liu, Chau Yuen, Jiming Chen +1
In Machine to Machine (M2M) networks, a robust Medium Access Control (MAC) protocol is crucial to enable numerous machine-type devices to concurrently access the channel. Most lite…
Reconfigurable Intelligent Surface Assisted Multiuser MISO Systems Exploiting Deep Reinforcement Learning
Chongwen Huang, Ronghong Mo, Chau Yuen
Recently, the reconfigurable intelligent surface (RIS), benefited from the breakthrough on the fabrication of programmable meta-material, has been speculated as one of the key enab…
Time-Series Regeneration with Convolutional Recurrent Generative Adversarial Network for Remaining Useful Life Estimation
Xuewen Zhang, Yan Qin, Chau Yuen +2
For health prognostic task, ever-increasing efforts have been focused on machine learning-based methods, which are capable of yielding accurate remaining useful life (RUL) estimati…
Stacked Intelligent Metasurface-Based Transceiver Design for Near-Field Wideband Systems
Qingchao Li, Mohammed El-Hajjar, Chao Xu +3
Intelligent metasurfaces may be harnessed for realizing efficient holographic multiple-input and multiple-output (MIMO) systems, at a low hardware-cost and high energy-efficiency.…
Dense Small Satellite Networks for Modern Terrestrial Communication Systems: Benefits, Infrastructure, and Technologies
Naveed UL Hassan, Chongwen Huang, Chau Yuen +2
Dense small satellite networks (DSSN) in low earth orbits (LEO) can benefit several mobile terrestrial communication systems (MTCS). However, the potential benefits can only be ach…
Resource Allocation in Mobility-Aware Federated Learning Networks: A Deep Reinforcement Learning Approach
Huy T. Nguyen, Nguyen Cong Luong, Jun Zhao +2
Federated learning allows mobile devices, i.e., workers, to use their local data to collaboratively train a global model required by the model owner. Federated learning thus addres…
Deep Learning for UL/DL Channel Calibration in Generic Massive MIMO Systems
Chongwen Huang, George C. Alexandropoulos, Alessio Zappone +2
One of the fundamental challenges to realize massive Multiple-Input Multiple-Output (MIMO) communications is the accurate acquisition of channel state information for a plurality o…
Near-Optimal Signal Detector Based on Structured Compressive Sensing for Massive SM-MIMO
Zhen Gao, Linglong Dai, Chenhao Qi +2
Massive spatial modulation (SM)-MIMO, which employs massive low-cost antennas but few power-hungry transmit radio frequency (RF) chains at the transmitter, is recently proposed to…
Iterative Channel Estimation Using LSE and Sparse Message Passing for MmWave MIMO Systems
Chongwen Huang, Lei Liu, Chau Yuen +1
We propose an iterative channel estimation algorithm based on the Least Square Estimation (LSE) and Sparse Message Passing (SMP) algorithm for the Millimeter Wave (mmWave) MIMO sys…
Performance Analysis and Optimization for Interference Alignment over MIMO Interference Channels with Limited Feedback
Xiaoming Chen, Chau Yuen
In this paper, we address the problem of interference alignment (IA) over MIMO interference channels with limited channel state information (CSI) feedback based on quantization cod…
Harnessing Rydberg Atomic Receivers: From Quantum Physics to Wireless Communications
Yuanbin Chen, Xufeng Guo, Chau Yuen +5
The intrinsic integration of Rydberg atomic receivers into wireless communication systems is proposed, by harnessing the principles of quantum physics in wireless communications. M…
Large Language Models and Artificial Intelligence Generated Content Technologies Meet Communication Networks
Jie Guo, Meiting Wang, Hang Yin +4
Artificial intelligence generated content (AIGC) technologies, with a predominance of large language models (LLMs), have demonstrated remarkable performance improvements in various…
Holographic MIMO Communications with Arbitrary Surface Placements: Near-Field LoS Channel Model and Capacity Limit
Tierui Gong, Li Wei, Chongwen Huang +4
Envisioned as one of the most promising technologies, holographic multiple-input multiple-output (H-MIMO) recently attracts notable research interests for its great potential in ex…
RobustMAD: Evaluating Real-World Robustness of Multimodal Small Language Models for Deployable Anomaly Detection Assistants
Anushiya Arunan, Xin Li, Yan Qin +4
Multimodal industrial anomaly inspection assistants are a critical component of next-generation smart factories, enabling interactive vision-language-based querying. However, multi…
Non-homogeneous distributed storage systems
Vo Tam Van, Chau Yuen, Jing Li
This paper describes a non-homogeneous distributed storage systems (DSS), where there is one super node which has a larger storage size and higher reliability and availability than…
Relative Localization of Mobile Robots with Multiple Ultra-WideBand Ranging Measurements
Zhiqiang Cao, Ran Liu, Chau Yuen +4
Relative localization between autonomous robots without infrastructure is crucial to achieve their navigation, path planning, and formation in many applications, such as emergency…
Polarization-Aware DoA Detection Relying on a Single Rydberg Atomic Receiver
Yuanbin Chen, Chau Yuen, Darmindra Arumugam +3
A polarization-aware direction-of-arrival (DoA) detection scheme is conceived that leverages the intrinsic vector sensitivity of a single Rydberg atomic vapor cell to achieve quant…
A Novel Angle-Delay-Doppler Estimation Scheme for AFDM-ISAC System in Mixed Near-field and Far-field Scenarios
Yirui Luo, Yong Liang Guan, Yao Ge +2
The recently proposed multi-chirp waveform, affine frequency division multiplexing (AFDM), is considered as a potential candidate for integrated sensing and communication (ISAC). H…
Joint Power and 3D Trajectory Optimization for UAV-enabled Wireless Powered Communication Networks with Obstacles
Hongyang Pan, Yanheng Liu, Geng Sun +3
Unmanned aerial vehicle (UAV)-enabled wireless powered communication networks (WPCNs) are promising technologies in 5G/6G wireless communications, while there are several challenge…
Energy-Efficient Data Offloading for Earth Observation Satellite Networks
Lijun He, Ziye Jia, Juncheng Wang +3
In Earth Observation Satellite Networks (EOSNs) with a large number of battery-carrying satellites, proper power allocation and task scheduling are crucial to improving the data of…
Fluid Antenna-Assisted Simultaneous Wireless Information and Power Transfer Systems
Liaoshi Zhou, Junteng Yao, Tuo Wu +3
This paper examines a fluid antenna (FA)-assisted simultaneous wireless information and power transfer (SWIPT) system. Unlike traditional SWIPT systems with fixed-position antennas…
Efficient Nonnegative Tensor Factorization via Saturating Coordinate Descent
Thirunavukarasu Balasubramaniam, Richi Nayak, Chau Yuen
With the advancements in computing technology and web-based applications, data is increasingly generated in multi-dimensional form. This data is usually sparse due to the presence…
Joint AP-UE Association and Precoding for SIM-Aided Cell-Free Massive MIMO Systems
Enyu Shi, Jiayi Zhang, Jiancheng An +4
Cell-free (CF) massive multiple-input multiple-output (mMIMO) systems are emerging as promising alternatives to cellular networks, especially in ultra-dense environments. However,…
Movable Antenna Enabled Integrated Sensing and Communication
Wanting Lyu, Songjie Yang, Yue Xiu +3
In this paper, we investigate a novel integrated sensing and communication (ISAC) system aided by movable antennas (MAs). A bistatic radar system, in which the base station (BS) is…
SafeSpace MFNet: Precise and Efficient MultiFeature Drone Detection Network
Misha Urooj Khan, Mahnoor Dil, Muhammad Zeshan Alam +4
The increasing prevalence of unmanned aerial vehicles (UAVs), commonly known as drones, has generated a demand for reliable detection systems. The inappropriate use of drones prese…
Energy Efficient Downlink Transmission for Multi-cell Massive DAS with Pilot Contamination
Jun Zuo, Jun Zhang, Chau Yuen +2
In this paper, we study the energy efficiency (EE) of a downlink multi-cell massive distributed antenna system (DAS) in the presence of pilot contamination (PC), where the antennas…
Ergodic Capacity Comparison of Different Relay Precoding Schemes in Dual-Hop AF Systems with Co-Channel Interference
Guangxu Zhu, Caijun Zhong, Himal A. Suraweera +3
In this paper, we analyze the ergodic capacity of a dual-hop amplify-and-forward relaying system where the relay is equipped with multiple antennas and subject to co-channel interf…
Exploring Channel Estimation and Signal Detection for ODDM-based ISAC Systems
Dezhi Wang, Chongwen Huang, Lei Liu +5
Inspired by providing reliable communications for high-mobility scenarios, in this letter, we investigate the channel estimation and signal detection in integrated sensing and comm…
Understanding Urban Human Mobility through Crowdsensed Data
Yuren Zhou, Billy Pik Lik Lau, Chau Yuen +2
Understanding how people move in the urban area is important for solving urbanization issues, such as traffic management, urban planning, epidemic control, and communication networ…
BuildingGym: An open-source toolbox for AI-based building energy management using reinforcement learning
Xilei Dai, Ruotian Chen, Songze Guan +2
Reinforcement learning (RL) has proven effective for AI-based building energy management. However, there is a lack of flexible framework to implement RL across various control prob…
STAR-RIS Aided Dynamic Scatterers Tracking for Integrated Sensing and Communications
Muye Li, Shun Zhang, Yao Ge +1
Integrated sensing and communication (ISAC) has become an attractive technology for future wireless networks. In this paper, we propose a simultaneous transmission and reflection r…
HAP-Reserved Communications in Space-Air-Ground Integrated Networks
Xuelin Cao, Bo Yang, Chau Yuen +1
Terrestrial communication networks have experienced significant development in recent years by providing emerging services for ground users. However, one critical challenge raised…
Downlink Multiuser Communications Relying on Flexible Intelligent Metasurfaces
Jiancheng An, Chau Yuen, Marco Di Renzo +3
A flexible intelligent metasurface (FIM) is composed of an array of low-cost radiating elements, each of which can independently radiate electromagnetic signals and flexibly adjust…
Radio Generation Using Generative Adversarial Networks with An Unrolled Design
Weidong Wang, Jiancheng An, Hongshu Liao +2
As a revolutionary generative paradigm of deep learning, generative adversarial networks (GANs) have been widely applied in various fields to synthesize realistic data. However, it…
Flexible Cylindrical Arrays with Movable Antennas for MISO System: Beamforming and Position Optimization
Jiahe Guo, Songjie Yang, Xiangyu Dong +4
As wireless communication advances toward the 6G era, the demand for ultra-reliable, high-speed, and ubiquitous connectivity is driving the exploration of new degrees-of-freedom (D…
Exploiting Radio Fingerprints for Simultaneous Localization and Mapping
Ran Liu, Billy Pik Lik Lau, Khairuldanial Ismail +6
Simultaneous localization and mapping (SLAM) is paramount for unmanned systems to achieve self-localization and navigation. It is challenging to perform SLAM in large environments,…
Error Correction for Cooperative Data Exchange
Wentu Song, Xiumin Wang, Chau Yuen +2
This paper considers the problem of error correction for a cooperative data exchange (CDE) system, where some clients are compromised or failed and send false messages. Assuming ea…
Resource Allocation for STAR-RIS-enhanced Metaverse Systems with Augmented Reality
Sun Mao, Lei Liu, Kun Yang +3
Augmented reality (AR)-enabled Metaverse is a promising technique to provide immersive service experience for mobile users. However, the limited network resources and unpredictable…
Cramér-Rao Bound Minimization for Flexible Intelligent Metasurface-Enabled ISAC Systems
Qian Zhang, Yufei Zhao, Jiancheng An +4
Integrated sensing and communication (ISAC) have been widely recognized as a key enabler for future wireless networks, where the Cramér-Rao bound (CRB) plays a central role in qua…
Joint Transceiver Design for Wireless Sensor Networks through Block Coordinate Descent Optimization
Yang Liu, Jing Li, Xuanxuan Lu +1
This paper considers the joint transceiver design in a wireless sensor network where multiple sensors observe the same physical event and transmit their contaminated observations t…
Low-Altitude Wireless Networks: A Comprehensive Survey
Jun Wu, Yaoqi Yang, Weijie Yuan +25
The rapid development of the low-altitude economy has imposed unprecedented demands on wireless infrastructure to accommodate large-scale drone deployments and facilitate intellige…
Large Language Models for Next-Generation Wireless Network Management: A Survey and Tutorial
Bisheng Wei, Ruihong Jiang, Ruichen Zhang +9
The rapid advancement toward sixth-generation (6G) wireless networks has significantly intensified the complexity and scale of optimization problems, including resource allocation…
Large-Scale MIMO Relaying Techniques for Physical Layer Security: AF or DF?
Xiaoming Chen, Lei Lei, Huazi Zhang +1
In this paper, we consider a large scale multiple input multiple output (LS-MIMO) relaying system, where an information source sends the message to its intended destination aided b…
Rydberg Atomic Quantum Receivers for Classical Wireless Communications and Sensing: Their Models and Performance
Tierui Gong, Jiaming Sun, Chau Yuen +6
The significant progress of quantum sensing technologies offer numerous radical solutions for measuring a multitude of physical quantities at an unprecedented precision. Among them…
Three-Party Energy Management With Distributed Energy Resources in Smart Grid
Wayes Tushar, Bo Chai, Chau Yuen +4
In this paper, the benefits of distributed energy resources (DERs) are considered in an energy management scheme for a smart community consisting of a large number of residential u…
WirelessMathBench: A Mathematical Modeling Benchmark for LLMs in Wireless Communications
Xin Li, Mengbing Liu, Li Wei +3
Large Language Models (LLMs) have achieved impressive results across a broad array of tasks, yet their capacity for complex, domain-specific mathematical reasoning-particularly in…
Stacked Intelligent Metasurface-Aided MIMO Transceiver Design
Jiancheng An, Chau Yuen, Chao Xu +5
Next-generation wireless networks are expected to utilize the limited radio frequency (RF) resources more efficiently with the aid of intelligent transceivers. To this end, we prop…
Quantum-Channel Matrix Optimization for Holevo Bound Enhancement
Hong Niu, Chau Yuen, Alexei Ashikhmin +1
Quantum communication holds the potential to revolutionize information transmission by enabling secure data exchange that exceeds the limits of classical systems. One of the key pe…