Search Results for author: Dusit Niyato

Found 236 papers, 21 papers with code

Empowering Large Language Models in Wireless Communication: A Novel Dataset and Fine-Tuning Framework

no code implementations16 Jan 2025 Yushen Lin, Ruichen Zhang, Wenqi Huang, Kaidi Wang, Zhiguo Ding, Daniel K. C. So, Dusit Niyato

In this work, we develop a specialized dataset aimed at enhancing the evaluation and fine-tuning of large language models (LLMs) specifically for wireless communication applications.

Multiple-choice Question Generation +1

Generative AI Enabled Robust Sensor Placement in Cyber-Physical Power Systems: A Graph Diffusion Approach

no code implementations12 Jan 2025 Changyuan Zhao, Guangyuan Liu, Bin Xiang, Dusit Niyato, Benoit Delinchant, Hongyang Du, Dong In Kim

This integration, however, introduces complex challenges in designing coherent CPPS, particularly as few studies concurrently address the deployment of physical layers and communication connections in the cyber layer.

Anomaly Detection Denoising

Task Delay and Energy Consumption Minimization for Low-altitude MEC via Evolutionary Multi-objective Deep Reinforcement Learning

no code implementations11 Jan 2025 Geng Sun, Weilong Ma, Jiahui Li, Zemin Sun, Jiacheng Wang, Dusit Niyato, Shiwen Mao

The low-altitude economy (LAE), driven by unmanned aerial vehicles (UAVs) and other aircraft, has revolutionized fields such as transportation, agriculture, and environmental monitoring.

Deep Reinforcement Learning Edge-computing

Movable Antenna-Assisted Integrated Sensing and Communication Systems

no code implementations2 Jan 2025 Chengjun Jiang, Chensi Zhang, Chongwen Huang, Jianhua Ge, Dusit Niyato, Chau Yuen

Then, we develop an optimization framework aimed at maximizing the sensing signal-to-interference-plus-noise-ratio (SINR) by jointly optimizing the receive beamforming vector, the transmit beamforming matrix, and the positions of MAs while meeting the minimum SINR requirement for each user.

Position

Multi-Task Semantic Communication With Graph Attention-Based Feature Correlation Extraction

no code implementations2 Jan 2025 Xi Yu, Tiejun Lv, Weicai Li, Wei Ni, Dusit Niyato, Ekram Hossain

The key idea is that we interpret the outputs of the intermediate feature extraction blocks of the encoder as the nodes of a graph to capture the correlations of the intermediate features.

Feature Correlation Graph Attention +1

Energy-Efficient RIS-Aided Cell-Free Massive MIMO Systems: Application, Opportunities, and Challenges

no code implementations23 Dec 2024 Yu Lu, Jiayi Zhang, Enyu Shi, Peng Zhang, Derrick Wing Kwan Ng, Dusit Niyato, Bo Ai

Reconfigurable intelligent surfaces (RIS)-assisted cell-free massive multiple-input multiple-output (CF mMIMO) systems have emerged as a promising technology for sixth-generation communication systems.

Adaptive Pruning for Large Language Models with Structural Importance Awareness

no code implementations19 Dec 2024 Haotian Zheng, Jinke Ren, Yushan Sun, Ruichen Zhang, Wenbo Zhang, Zhen Li, Dusit Niyato, Shuguang Cui, Yatong Han

The recent advancements in large language models (LLMs) have significantly improved language understanding and generation capabilities.

Text Generation Zero-Shot Learning

Cluster-Based Multi-Agent Task Scheduling for Space-Air-Ground Integrated Networks

no code implementations14 Dec 2024 Zhiying Wang, Gang Sun, Yuhui Wang, Hongfang Yu, Dusit Niyato

The Space-Air-Ground Integrated Network (SAGIN) framework is a crucial foundation for future networks, where satellites and aerial nodes assist in computational task offloading.

Clustering Multi-agent Reinforcement Learning +1

Implicit Neural Compression of Point Clouds

no code implementations11 Dec 2024 Hongning Ruan, Yulin Shao, Qianqian Yang, Liang Zhao, Zhaoyang Zhang, Dusit Niyato

Our approach employs two coordinate-based neural networks to implicitly represent a voxelized point cloud: the first determines the occupancy status of a voxel, while the second predicts the attributes of occupied voxels.

Attribute

GDSG: Graph Diffusion-based Solution Generator for Optimization Problems in MEC Networks

1 code implementation11 Dec 2024 Ruihuai Liang, Bo Yang, PengYu Chen, Xuelin Cao, Zhiwen Yu, Mérouane Debbah, Dusit Niyato, H. Vincent Poor, Chau Yuen

We build GDSG as a multi-task diffusion model utilizing a Graph Neural Network (GNN) to acquire the distribution of high-quality solutions.

Graph Neural Network

UAV Virtual Antenna Array Deployment for Uplink Interference Mitigation in Data Collection Networks

no code implementations9 Dec 2024 Hongjuan Li, Hui Kang, Geng Sun, Jiahui Li, Jiacheng Wang, Xue Wang, Dusit Niyato, Victor C. M. Leung

Thus, by jointly optimizing the excitation current weights and hover position of UAVs as well as the sequence of data transmission to various BSs, we formulate an uplink interference mitigation multi-objective optimization problem (MOOP) to decrease interference affection, enhance transmission efficiency, and improve energy efficiency, simultaneously.

Hierarchical Learning for IRS-Assisted MEC Systems with Rate-Splitting Multiple Access

no code implementations5 Dec 2024 Yinyu Wu, Xuhui Zhang, Jinke Ren, Yanyan Shen, Bo Yang, Shuqiang Wang, Xinping Guan, Dusit Niyato

Intelligent reflecting surface (IRS)-assisted mobile edge computing (MEC) systems have shown notable improvements in efficiency, such as reduced latency, higher data rates, and better energy efficiency.

Deep Reinforcement Learning Edge-computing

Multi-Functional RIS Integrated Sensing and Communications for 6G Networks

no code implementations2 Dec 2024 Dongsheng Han, Peng Wang, Wanli Ni, Wen Wang, Ailing Zheng, Dusit Niyato, Naofal Al-Dhahir

We propose a MF-RIS-enabled multi-user and multi-target ISAC system, and formulate an optimization problem to maximize the signal-to-interference-plus-noise ratio (SINR) of sensing targets.

Space-Air-Ground Integrated MEC-Assisted Industrial Cyber-Physical Systems: An Online Decentralized Optimization Approach

no code implementations12 Nov 2024 Long He, Geng Sun, Zemin Sun, Jiacheng Wang, Hongyang Du, Dusit Niyato, Jiangchuan Liu, Victor C. M. Leung

Cloud computing and edge/fog computing are playing a pivotal role in driving the transformation of industrial cyber-physical systems (ICPS) towards greater intelligence and automation by providing high-quality computation offloading services to Internet of Things devices (IoTDs).

Cloud Computing Decision Making +1

Integrated Location Sensing and Communication for Ultra-Massive MIMO With Hybrid-Field Beam-Squint Effect

no code implementations8 Nov 2024 Zhen Gao, Xingyu Zhou, Boyu Ning, Yu Su, Tong Qin, Dusit Niyato

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 beam-squint (HFBS) effect.

Two-Timescale Model Caching and Resource Allocation for Edge-Enabled AI-Generated Content Services

no code implementations3 Nov 2024 Zhang Liu, Hongyang Du, Xiangwang Hou, Lianfen Huang, Seyyedali Hosseinalipour, Dusit Niyato, Khaled Ben Letaief

We subsequently introduce the formulation of joint model caching and resource allocation for AIGC services to balance a trade-off between AIGC quality and latency metrics.

Deep Reinforcement Learning

Supervised Score-Based Modeling by Gradient Boosting

no code implementations2 Nov 2024 Changyuan Zhao, Hongyang Du, Guangyuan Liu, Dusit Niyato

We provide a theoretical analysis of learning and sampling for SSM to balance inference time and prediction accuracy.

Denoising

Diffusion-based Auction Mechanism for Efficient Resource Management in 6G-enabled Vehicular Metaverses

no code implementations1 Nov 2024 Jiawen Kang, Yongju Tong, Yue Zhong, Junlong Chen, Minrui Xu, Dusit Niyato, Runrong Deng, Shiwen Mao

In 6G-enable Vehicular Metaverses, vehicles are represented by Vehicle Twins (VTs), which serve as digital replicas of physical vehicles to support real-time vehicular applications such as large Artificial Intelligence (AI) model-based Augmented Reality (AR) navigation, called VT tasks.

Management

Unauthorized UAV Countermeasure for Low-Altitude Economy: Joint Communications and Jamming based on MIMO Cellular Systems

no code implementations30 Oct 2024 Zhuoran Li, Zhen Gao, Kuiyu Wang, Yikun Mei, Chunli Zhu, Lei Chen, Xiaomei Wu, Dusit Niyato

We first formulate a joint communication and jamming (JCJ) problem, relaxing it through semi-definite relaxation (SDR) to obtain a tractable semi-definite programming (SDP) problem, with SDR providing an essential step toward simplifying the complex JCJ design.

Generative AI Enabled Matching for 6G Multiple Access

no code implementations29 Oct 2024 Xudong Wang, Hongyang Du, Dusit Niyato, Lijie Zhou, Lei Feng, Zhixiang Yang, Fanqin Zhou, Wenjing Li

Then, we propose a framework based on generative diffusion models (GDMs) that iteratively denoises toward reward maximization to generate a matching strategy that meets specific requirements.

KANsformer for Scalable Beamforming

no code implementations28 Oct 2024 Xinke Xie, Yang Lu, Chong-Yung Chi, Wei Chen, Bo Ai, Dusit Niyato

This paper proposes an unsupervised deep-learning (DL) approach by integrating transformer and Kolmogorov-Arnold networks (KAN) termed KANsformer to realize scalable beamforming for mobile communication systems.

Kolmogorov-Arnold Networks Transfer Learning

Deep Learning-Assisted Jamming Mitigation with Movable Antenna Array

no code implementations27 Oct 2024 Xiao Tang, Yudan Jiang, Jinxin Liu, Qinghe Du, Dusit Niyato, Zhu Han

This paper reveals the potential of movable antennas in enhancing anti-jamming communication.

Deep Learning

MetaTrading: An Immersion-Aware Model Trading Framework for Vehicular Metaverse Services

no code implementations25 Oct 2024 Hongjia Wu, Hui Zeng, Zehui Xiong, Jiawen Kang, Zhiping Cai, Tse-Tin Chan, Dusit Niyato, Zhu Han

To comprehensively evaluate the contribution of locally trained learning models provided by MUs to AR services, we design a new immersion metric that captures service immersion by considering the freshness and accuracy of learning models, as well as the amount and potential value of raw data used for training.

Deep Reinforcement Learning Federated Learning +2

STAR-RIS-Enabled Full-Duplex Integrated Sensing and Communication System

no code implementations24 Oct 2024 Yu Liu, Gaojie Chen, Yun Wen, Qu Luo, Chiya Zhang, Dusit Niyato

With the challenging limitations of traditional SIC approaches, this paper proposes a novel simultaneous transmitting and reflecting reconfigurable intelligent surface (STAR-RIS)-enabled FD ISAC system, where STAR-RIS enhances simultaneous communication and target sensing and reduces self-interference (SI) to a level comparable to traditional SIC approaches.

Dynamic Spectrum Access for Ambient Backscatter Communication-assisted D2D Systems with Quantum Reinforcement Learning

no code implementations23 Oct 2024 Nguyen Van Huynh, Bolun Zhang, Dinh-Hieu Tran, Dinh Thai Hoang, Diep N. Nguyen, Gan Zheng, Dusit Niyato, Quoc-Viet Pham

For that, we develop a novel quantum reinforcement learning (RL) algorithm that can achieve a faster convergence rate with fewer training parameters compared to DRL thanks to the quantum superposition and quantum entanglement principles.

Deep Reinforcement Learning Reinforcement Learning (RL)

DRL Optimization Trajectory Generation via Wireless Network Intent-Guided Diffusion Models for Optimizing Resource Allocation

no code implementations18 Oct 2024 Junjie Wu, Xuming Fang, Dusit Niyato, Jiacheng Wang, Jingyu Wang

This model can be generated and fine-tuned in real time to achieve the objective and meet the constraints of target intent networks, significantly reducing state information exposure during wireless communication.

Deep Reinforcement Learning

Wireless Human-Machine Collaboration in Industry 5.0

no code implementations18 Oct 2024 Gaoyang Pang, Wanchun Liu, Dusit Niyato, Daniel Quevedo, Branka Vucetic, Yonghui Li

Building on this model, we propose a stochastic cycle-cost-based approach to derive a stability condition for the WHMC system, expressed in terms of wireless channel statistics, human dynamics, and control parameters.

Human Dynamics

Communication-Control Codesign for Large-Scale Wireless Networked Control Systems

no code implementations15 Oct 2024 Gaoyang Pang, Wanchun Liu, Dusit Niyato, Branka Vucetic, Yonghui Li

Wireless Networked Control Systems (WNCSs) are essential to Industry 4. 0, enabling flexible control in applications, such as drone swarms and autonomous robots.

Deep Reinforcement Learning Scheduling +1

Two Birds With One Stone: Enhancing Communication and Sensing via Multi-Functional RIS

no code implementations9 Oct 2024 Wanli Ni, Wen Wang, Ailing Zheng, Peng Wang, Changsheng You, Yonina C. Eldar, Dusit Niyato, Robert Schober

Furthermore, we present two schemes that utilize MF-RISs to enhance the performance of integrated sensing and communication (ISAC).

GNN-Enabled Optimization of Placement and Transmission Design for UAV Communications

no code implementations3 Oct 2024 Qinyu Wang, Yang Lu, Wei Chen, Bo Ai, Zhangdui Zhong, Dusit Niyato

This paper applies graph neural networks (GNN) in UAV communications to optimize the placement and transmission design.

The Roles of Generative Artificial Intelligence in Internet of Electric Vehicles

no code implementations24 Sep 2024 Hanwen Zhang, Dusit Niyato, Wei zhang, Changyuan Zhao, Hongyang Du, Abbas Jamalipour, Sumei Sun, Yiyang Pei

With the advancements of generative artificial intelligence (GenAI) models, their capabilities are expanding significantly beyond content generation and the models are increasingly being used across diverse applications.

Survey

Robust Beamforming Design for Near-Field DMA-NOMA mmWave Communications With Imperfect Position Information

no code implementations24 Sep 2024 Yue Xiu, Yang Zhao, Songjie Yang, Yufeng Zhang, Dusit Niyato, Hongyang Du, Ning Wei

For millimeter-wave (mmWave) non-orthogonal multiple access (NOMA) communication systems, we propose an innovative near-field (NF) transmission framework based on dynamic metasurface antenna (DMA) technology.

Position

Large Model Based Agents: State-of-the-Art, Cooperation Paradigms, Security and Privacy, and Future Trends

no code implementations22 Sep 2024 Yuntao Wang, Yanghe Pan, Zhou Su, Yi Deng, Quan Zhao, Linkang Du, Tom H. Luan, Jiawen Kang, Dusit Niyato

We review the current state of LM agents, the key technologies enabling LM agent collaboration, and the security and privacy challenges they face during cooperative operations.

Mixed Reality

Signal Detection in Near-field Communication with Unknown Noise Characteristics: A Diffusion Model Method

no code implementations21 Sep 2024 Changyuan Zhao, Jiacheng Wang, Ruichen Zhang, Dusit Niyato, Dong In Kim, Hongyang Du

Then, we proposed a Maximum Likelihood Estimation Diffusion Detector (MLEDD) aiming at learning the distribution of unknown noise.

Transfer-based Adversarial Poisoning Attacks for Online (MIMO-)Deep Receviers

no code implementations4 Sep 2024 Kunze Wu, Weiheng Jiang, Dusit Niyato, Yinghuan Li, Chuang Luo

Without knowledge of the attack target, adversarial perturbations are injected to the pilots, poisoning the online deep receiver and impairing its ability to adapt to dynamic channels and nonlinear effects.

Meta-Learning

Hyperdimensional Computing Empowered Federated Foundation Model over Wireless Networks for Metaverse

no code implementations26 Aug 2024 Yahao Ding, Wen Shang, Minrui Xu, Zhaohui Yang, Ye Hu, Dusit Niyato, Mohammad Shikh-Bahaei

Federated learning (FL) has emerged as a promising technique for collaboratively training AI models while preserving data privacy.

Federated Learning

Generative AI based Secure Wireless Sensing for ISAC Networks

no code implementations21 Aug 2024 Jiacheng Wang, Hongyang Du, Yinqiu Liu, Geng Sun, Dusit Niyato, Shiwen Mao, Dong In Kim, Xuemin Shen

Specifically, we first propose a discrete conditional diffusion model to generate graphs with nodes and edges, guiding the ISAC system to appropriately activate wireless links and nodes, which ensures the sensing performance while minimizing the operation cost.

Activity Recognition

Optimal Bilinear Equalizer for Cell-Free Massive MIMO Systems over Correlated Rician Channels

no code implementations26 Jul 2024 Zhe Wang, Jiayi Zhang, Emil Björnson, Dusit Niyato, Bo Ai

Notably, we derive closed-form achievable SE expressions for centralized and distributed BE-structured combining schemes.

Multiobjective Vehicle Routing Optimization with Time Windows: A Hybrid Approach Using Deep Reinforcement Learning and NSGA-II

no code implementations18 Jul 2024 Rixin Wu, Ran Wang, Jie Hao, Qiang Wu, Ping Wang, Dusit Niyato

Notably, the weight-aware strategy significantly reduces the training time of DRL while achieving better results, enabling a single DRL model to solve the entire multiobjective optimization problem.

Deep Reinforcement Learning Multiobjective Optimization

S-RAN: Semantic-Aware Radio Access Networks

no code implementations15 Jul 2024 Yao Sun, Lan Zhang, Linke Guo, Jian Li, Dusit Niyato, Yuguang Fang

Semantic communication (SemCom) has been a transformative paradigm, emphasizing the precise exchange of meaningful information over traditional bit-level transmissions.

Management Semantic Communication

Spatial-Temporal Generative AI for Traffic Flow Estimation with Sparse Data of Connected Vehicles

no code implementations10 Jul 2024 Jianzhe Xue, Yunting Xu, Dongcheng Yuan, Caoyi Zha, Hongyang Du, Haibo Zhou, Dusit Niyato

In response, this paper introduces a novel and cost-effective TFE framework that leverages sparse PVD and improves accuracy by applying the spatial-temporal generative artificial intelligence (GAI) framework.

Decoder

Hybrid-Generative Diffusion Models for Attack-Oriented Twin Migration in Vehicular Metaverses

no code implementations5 Jul 2024 Yingkai Kang, Jinbo Wen, Jiawen Kang, Tao Zhang, Hongyang Du, Dusit Niyato, Rong Yu, Shengli Xie

The vehicular metaverse is envisioned as a blended immersive domain that promises to bring revolutionary changes to the automotive industry.

Deep Reinforcement Learning

Communication-Efficient Federated Knowledge Graph Embedding with Entity-Wise Top-K Sparsification

no code implementations19 Jun 2024 Xiaoxiong Zhang, Zhiwei Zeng, Xin Zhou, Dusit Niyato, Zhiqi Shen

Federated Knowledge Graphs Embedding learning (FKGE) encounters challenges in communication efficiency stemming from the considerable size of parameters and extensive communication rounds.

Entity Embeddings Knowledge Graph Embedding +1

Channel Twinning: An Enabler for Next-Generation Ubiquitous Wireless Connectivity

no code implementations18 Jun 2024 Yashuai Cao, Jingbo Tan, Jintao Wang, Wei Ni, Ekram Hossain, Dusit Niyato

The emerging concept of channel twinning (CT) has great potential to become a key enabler of ubiquitous connectivity in next-generation (xG) wireless systems.

Scene Recognition

QoE Maximization for Multiple-UAV-Assisted Multi-Access Edge Computing: An Online Joint Optimization Approach

no code implementations17 Jun 2024 Long He, Geng Sun, Zemin Sun, Qingqing Wu, Jiawen Kang, Dusit Niyato, Zhu Han, Victor C. M. Leung

Then, we formulate a joint task offloading, resource allocation, and UAV trajectory planning optimization problem (JTRTOP) to maximize the QoE of UDs while considering the energy consumption constraints of UAVs.

Edge-computing Trajectory Planning

Personalized Federated Knowledge Graph Embedding with Client-Wise Relation Graph

no code implementations17 Jun 2024 Xiaoxiong Zhang, Zhiwei Zeng, Xin Zhou, Dusit Niyato, Zhiqi Shen

To address this, we propose Personalized Federated knowledge graph Embedding with client-wise relation Graph (PFedEG), a novel approach that employs a client-wise relation graph to learn personalized embeddings by discerning the semantic relevance of embeddings from other clients.

Entity Embeddings Knowledge Graph Embedding +2

Efficient Prompting for LLM-based Generative Internet of Things

no code implementations14 Jun 2024 Bin Xiao, Burak Kantarci, Jiawen Kang, Dusit Niyato, Mohsen Guizani

Large language models (LLMs) have demonstrated remarkable capacities on various tasks, and integrating the capacities of LLMs into the Internet of Things (IoT) applications has drawn much research attention recently.

Prompt Engineering Question Answering +2

Predicting Cascading Failures with a Hyperparametric Diffusion Model

1 code implementation12 Jun 2024 Bin Xiang, Bogdan Cautis, Xiaokui Xiao, Olga Mula, Dusit Niyato, Laks V. S. Lakshmanan

In this paper, we study cascading failures in power grids through the lens of information diffusion models.

Revolutionizing Wireless Networks with Self-Supervised Learning: A Pathway to Intelligent Communications

no code implementations11 Jun 2024 Zhixiang Yang, Hongyang Du, Dusit Niyato, Xudong Wang, Yu Zhou, Lei Feng, Fanqin Zhou, Wenjing Li, Xuesong Qiu

With the rapid proliferation of mobile devices and data, next-generation wireless communication systems face stringent requirements for ultra-low latency, ultra-high reliability, and massive connectivity.

Self-Supervised Learning Semantic Communication

Optimizing 6G Integrated Sensing and Communications (ISAC) via Expert Networks

no code implementations1 Jun 2024 Jiacheng Wang, Hongyang Du, Geng Sun, Jiawen Kang, Haibo Zhou, Dusit Niyato, Jiming Chen

Integrated Sensing and Communications (ISAC) is one of the core technologies of 6G, which combines sensing and communication functions into a single system.

Deep Joint Semantic Coding and Beamforming for Near-Space Airship-Borne Massive MIMO Network

no code implementations30 May 2024 Minghui Wu, Zhen Gao, Zhaocheng Wang, Dusit Niyato, George K. Karagiannidis, Sheng Chen

Specifically, we propose a deep joint semantic coding and beamforming (JSCBF) scheme for airship-based massive MIMO image transmission network in space, in which semantics from both source and channel are fused to jointly design the semantic coding and physical layer beamforming.

Image Reconstruction Semantic Communication

From Single to Multi-Functional RIS: Architecture, Key Technologies, Challenges, and Applications

no code implementations25 May 2024 Wanli Ni, Ailing Zheng, Wen Wang, Dusit Niyato, Naofal Al-Dhahir, Merouane Debbah

Although reconfigurable intelligent surfaces (RISs) have demonstrated the potential to boost network capacity and expand coverage by adjusting their electromagnetic properties, existing RIS architectures have certain limitations, such as double-fading attenuation and restricted half-space coverage.

Multi-Objective Optimization-Based Waveform Design for Multi-User and Multi-Target MIMO-ISAC Systems

no code implementations22 May 2024 Peng Wang, Dongsheng Han, Yashuai Cao, Wanli Ni, Dusit Niyato

In this paper, we investigate the waveform design problem in a downlink multi-user and multi-target ISAC system under different C&S performance preferences.

Sparse Attention-driven Quality Prediction for Production Process Optimization in Digital Twins

no code implementations20 May 2024 Yanlei Yin, Lihua Wang, Dinh Thai Hoang, Wenbo Wang, Dusit Niyato

By iteratively mapping the real-world data reflecting equipment operation status and product quality indicators in the digital twin, we adopt a quality prediction model for production process based on self-attention-enabled temporal convolutional neural networks.

Point Cloud Compression with Implicit Neural Representations: A Unified Framework

no code implementations19 May 2024 Hongning Ruan, Yulin Shao, Qianqian Yang, Liang Zhao, Dusit Niyato

By feeding the coordinates of these voxels into the respective networks, we reconstruct the geometry and attribute components of the original point cloud.

Attribute

Cooperative Cognitive Dynamic System in UAV Swarms: Reconfigurable Mechanism and Framework

no code implementations18 May 2024 Ziye Jia, Jiahao You, Chao Dong, Qihui Wu, Fuhui Zhou, Dusit Niyato, Zhu Han

As the demands for immediate and effective responses increase in both civilian and military domains, the unmanned aerial vehicle (UAV) swarms emerge as effective solutions, in which multiple cooperative UAVs can work together to achieve specific goals.

Management

Cross-domain Learning Framework for Tracking Users in RIS-aided Multi-band ISAC Systems with Sparse Labeled Data

no code implementations10 May 2024 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).

Generative AI for Low-Carbon Artificial Intelligence of Things with Large Language Models

no code implementations28 Apr 2024 Jinbo Wen, Ruichen Zhang, Dusit Niyato, Jiawen Kang, Hongyang Du, Yang Zhang, Zhu Han

In this article, we explore the potential of GAI for carbon emissions reduction and propose a novel GAI-enabled solution for low-carbon AIoT.

Language Modelling RAG

Integration of Mixture of Experts and Multimodal Generative AI in Internet of Vehicles: A Survey

no code implementations25 Apr 2024 Minrui Xu, Dusit Niyato, Jiawen Kang, Zehui Xiong, Abbas Jamalipour, Yuguang Fang, Dong In Kim, Xuemin, Shen

Generative AI (GAI) can enhance the cognitive, reasoning, and planning capabilities of intelligent modules in the Internet of Vehicles (IoV) by synthesizing augmented datasets, completing sensor data, and making sequential decisions.

Autonomous Driving Decision Making +1

Generative Artificial Intelligence Assisted Wireless Sensing: Human Flow Detection in Practical Communication Environments

no code implementations22 Apr 2024 Jiacheng Wang, Hongyang Du, Dusit Niyato, Zehui Xiong, Jiawen Kang, Bo Ai, Zhu Han, Dong In Kim

Finally, through clustering, G-HFD determines the number of subflows and the number of targets in each subflow, i. e., the subflow size.

ICST-DNET: An Interpretable Causal Spatio-Temporal Diffusion Network for Traffic Speed Prediction

1 code implementation22 Apr 2024 Yi Rong, Yingchi Mao, Yinqiu Liu, Ling Chen, Xiaoming He, Dusit Niyato

However, making accurate predictions is challenging due to three factors: 1) traffic diffusion, i. e., the spatial and temporal causality existing between the traffic conditions of multiple neighboring roads, 2) the poor interpretability of traffic data with complicated spatio-temporal correlations, and 3) the latent pattern of traffic speed fluctuations over time, such as morning and evening rush.

Graph Generation

Secure Semantic Communication for Image Transmission in the Presence of Eavesdroppers

no code implementations18 Apr 2024 Shunpu Tang, Chen Liu, Qianqian Yang, Shibo He, Dusit Niyato

To address this issue, we propose a novel secure semantic communication (SemCom) approach for image transmission, which integrates steganography technology to conceal private information within non-private images (host images).

Semantic Communication

AI-Empowered RIS-Assisted Networks: CV-Enabled RIS Selection and DNN-Enabled Transmission

no code implementations18 Apr 2024 Conggang Hu, Yang Lu, Hongyang Du, Mi Yang, Bo Ai, Dusit Niyato

This paper investigates artificial intelligence (AI) empowered schemes for reconfigurable intelligent surface (RIS) assisted networks from the perspective of fast implementation.

Graph Neural Networks for Wireless Networks: Graph Representation, Architecture and Evaluation

no code implementations18 Apr 2024 Yang Lu, Yuhang Li, Ruichen Zhang, Wei Chen, Bo Ai, Dusit Niyato

Graph neural networks (GNNs) have been regarded as the basic model to facilitate deep learning (DL) to revolutionize resource allocation in wireless networks.

Collaborative Ground-Space Communications via Evolutionary Multi-objective Deep Reinforcement Learning

no code implementations11 Apr 2024 Jiahui Li, Geng Sun, Qingqing Wu, Dusit Niyato, Jiawen Kang, Abbas Jamalipour, Victor C. M. Leung

Specifically, it is found that DCB enables terminals that cannot reach the uplink achievable threshold to achieve efficient direct uplink transmission, which thus reveals that DCB is an effective solution for enabling direct ground-space communications.

Deep Reinforcement Learning

UAV-enabled Collaborative Beamforming via Multi-Agent Deep Reinforcement Learning

no code implementations11 Apr 2024 Saichao Liu, Geng Sun, Jiahui Li, Shuang Liang, Qingqing Wu, Pengfei Wang, Dusit Niyato

To improve the work efficiency of the UVAA, we formulate a UAV-enabled collaborative beamforming multi-objective optimization problem (UCBMOP) to simultaneously maximize the transmission rate of the UVAA and minimize the energy consumption of all UAVs by optimizing the positions and excitation current weights of all UAVs.

Deep Reinforcement Learning reinforcement-learning

A Learning-based Incentive Mechanism for Mobile AIGC Service in Decentralized Internet of Vehicles

no code implementations29 Mar 2024 Jiani Fan, Minrui Xu, Ziyao Liu, Huanyi Ye, Chaojie Gu, Dusit Niyato, Kwok-Yan Lam

Artificial Intelligence-Generated Content (AIGC) refers to the paradigm of automated content generation utilizing AI models.

Deep Reinforcement Learning

The Frontier of Data Erasure: Machine Unlearning for Large Language Models

no code implementations23 Mar 2024 Youyang Qu, Ming Ding, Nan Sun, Kanchana Thilakarathna, Tianqing Zhu, Dusit Niyato

Large Language Models (LLMs) are foundational to AI advancements, facilitating applications like predictive text generation.

Machine Unlearning Text Generation

TJCCT: A Two-timescale Approach for UAV-assisted Mobile Edge Computing

no code implementations23 Mar 2024 Zemin Sun, Geng Sun, Qingqing Wu, Long He, Shuang Liang, Hongyang Pan, Dusit Niyato, Chau Yuen, Victor C. M. Leung

Since the problem is a non-convex and NP-hard mixed integer nonlinear programming (MINLP), we propose a two-timescale joint computing resource allocation, computation offloading, and trajectory control (TJCCT) approach for solving the problem.

Edge-computing

Blockchain-based Pseudonym Management for Vehicle Twin Migrations in Vehicular Edge Metaverse

no code implementations22 Mar 2024 Jiawen Kang, Xiaofeng Luo, Jiangtian Nie, Tianhao Wu, Haibo Zhou, Yonghua Wang, Dusit Niyato, Shiwen Mao, Shengli Xie

As highly computerized avatars of Vehicular Metaverse Users (VMUs), the Vehicle Twins (VTs) deployed in edge servers can provide valuable metaverse services to improve driving safety and on-board satisfaction for their VMUs throughout journeys.

Deep Reinforcement Learning Edge-computing +1

Generative AI for Unmanned Vehicle Swarms: Challenges, Applications and Opportunities

no code implementations28 Feb 2024 Guangyuan Liu, Nguyen Van Huynh, Hongyang Du, Dinh Thai Hoang, Dusit Niyato, Kun Zhu, Jiawen Kang, Zehui Xiong, Abbas Jamalipour, Dong In Kim

For that, this paper aims to provide a comprehensive survey on applications, challenges, and opportunities of GAI in unmanned vehicle swarms.

Random Aggregate Beamforming for Over-the-Air Federated Learning in Large-Scale Networks

no code implementations20 Feb 2024 Chunmei Xu, Shengheng Liu, Yongming Huang, Bjorn Ottersten, Dusit Niyato

Extensive simulation results are presented to demonstrate the effectiveness of the proposed random aggregate beamforming-based scheme as well as the refined method.

Federated Learning

Compressing Deep Reinforcement Learning Networks with a Dynamic Structured Pruning Method for Autonomous Driving

no code implementations7 Feb 2024 Wensheng Su, Zhenni Li, Minrui Xu, Jiawen Kang, Dusit Niyato, Shengli Xie

Our method consists of two steps, i. e. training DRL models with a group sparse regularizer and removing unimportant neurons with a dynamic pruning threshold.

Autonomous Driving Deep Reinforcement Learning

Collaborative Computing in Non-Terrestrial Networks: A Multi-Time-Scale Deep Reinforcement Learning Approach

no code implementations7 Feb 2024 Yang Cao, Shao-Yu Lien, Ying-Chang Liang, Dusit Niyato, Xuemin, Shen

To address the above challenges, in this paper, a multi-time-scale deep reinforcement learning (DRL) scheme is developed for achieving the radio resource optimization in NTNs, in which the LEO satellite and user equipment (UE) collaborate with each other to perform individual decision-making tasks with different control cycles.

Decision Making Deep Reinforcement Learning

Collaborative Deep Reinforcement Learning for Resource Optimization in Non-Terrestrial Networks

no code implementations6 Feb 2024 Yang Cao, Shao-Yu Lien, Ying-Chang Liang, Dusit Niyato, Xuemin, Shen

Non-terrestrial networks (NTNs) with low-earth orbit (LEO) satellites have been regarded as promising remedies to support global ubiquitous wireless services.

Decision Making Deep Reinforcement Learning

Federated Learning with New Knowledge: Fundamentals, Advances, and Futures

1 code implementation3 Feb 2024 Lixu Wang, Yang Zhao, Jiahua Dong, Ating Yin, Qinbin Li, Xiao Wang, Dusit Niyato, Qi Zhu

Federated Learning (FL) is a privacy-preserving distributed learning approach that is rapidly developing in an era where privacy protection is increasingly valued.

Federated Learning Privacy Preserving

Scalable Federated Unlearning via Isolated and Coded Sharding

no code implementations29 Jan 2024 Yijing Lin, Zhipeng Gao, Hongyang Du, Dusit Niyato, Gui Gui, Shuguang Cui, Jinke Ren

Federated unlearning has emerged as a promising paradigm to erase the client-level data effect without affecting the performance of collaborative learning models.

Blockchain-enabled Trustworthy Federated Unlearning

no code implementations29 Jan 2024 Yijing Lin, Zhipeng Gao, Hongyang Du, Jinke Ren, Zhiqiang Xie, Dusit Niyato

However, existing works require central servers to retain the historical model parameters from distributed clients, such that allows the central server to utilize these parameters for further training even, after the clients exit the training process.

Federated Learning

Generative AI-enabled Blockchain Networks: Fundamentals, Applications, and Case Study

no code implementations28 Jan 2024 Cong T. Nguyen, Yinqiu Liu, Hongyang Du, Dinh Thai Hoang, Dusit Niyato, Diep N. Nguyen, Shiwen Mao

Generative Artificial Intelligence (GAI) has recently emerged as a promising solution to address critical challenges of blockchain technology, including scalability, security, privacy, and interoperability.

Generative AI-Driven Human Digital Twin in IoT-Healthcare: A Comprehensive Survey

no code implementations22 Jan 2024 Jiayuan Chen, You Shi, Changyan Yi, Hongyang Du, Jiawen Kang, Dusit Niyato

The Internet of things (IoT) can significantly enhance the quality of human life, specifically in healthcare, attracting extensive attentions to IoT-healthcare services.

Deep Reinforcement Learning Empowered Activity-Aware Dynamic Health Monitoring Systems

no code implementations19 Jan 2024 Ziqiaing Ye, Yulan Gao, Yue Xiao, Zehui Xiong, Dusit Niyato

In this context, we propose Dynamic Activity-Aware Health Monitoring strategy (DActAHM) for striking a balance between optimal monitoring performance and cost efficiency, a novel framework based on Deep Reinforcement Learning (DRL) and SlowFast Model to ensure precise monitoring based on users' activities.

Deep Reinforcement Learning reinforcement-learning

Distributed Task-Oriented Communication Networks with Multimodal Semantic Relay and Edge Intelligence

no code implementations18 Jan 2024 Jie Guo, Hao Chen, Bin Song, Yuhao Chi, Chau Yuen, Fei Richard Yu, Geoffrey Ye Li, Dusit Niyato

In this article, we present a novel framework, named distributed task-oriented communication networks (DTCN), based on recent advances in multimodal semantic transmission and edge intelligence.

Tiny Multi-Agent DRL for Twins Migration in UAV Metaverses: A Multi-Leader Multi-Follower Stackelberg Game Approach

no code implementations18 Jan 2024 Jiawen Kang, Yue Zhong, Minrui Xu, Jiangtian Nie, Jinbo Wen, Hongyang Du, Dongdong Ye, Xumin Huang, Dusit Niyato, Shengli Xie

To address the challenges, we propose a tiny machine learning-based Stackelberg game framework based on pruning techniques for efficient UT migration in UAV metaverses.

Deep Reinforcement Learning

When Large Language Model Agents Meet 6G Networks: Perception, Grounding, and Alignment

no code implementations15 Jan 2024 Minrui Xu, Dusit Niyato, Jiawen Kang, Zehui Xiong, Shiwen Mao, Zhu Han, Dong In Kim, Khaled B. Letaief

AI agents based on multimodal large language models (LLMs) are expected to revolutionize human-computer interaction and offer more personalized assistant services across various domains like healthcare, education, manufacturing, and entertainment.

Language Modeling Language Modelling +1

Acceleration Estimation of Signal Propagation Path Length Changes for Wireless Sensing

no code implementations30 Dec 2023 Jiacheng Wang, Hongyang Du, Dusit Niyato, Mu Zhou, Jiawen Kang, H. Vincent Poor

Furthermore, in multi-target scenarios, the fall detection achieves an average true positive rate of 89. 56% and a false positive rate of 11. 78%, demonstrating its importance in enhancing indoor wireless sensing capabilities.

Activity Recognition

Large Language Model Enhanced Multi-Agent Systems for 6G Communications

no code implementations13 Dec 2023 Feibo Jiang, Li Dong, Yubo Peng, Kezhi Wang, Kun Yang, Cunhua Pan, Dusit Niyato, Octavia A. Dobre

The rapid development of the Large Language Model (LLM) presents huge opportunities for 6G communications, e. g., network optimization and management by allowing users to input task requirements to LLMs by nature language.

Language Modeling Language Modelling +4

Generative AI for Physical Layer Communications: A Survey

no code implementations9 Dec 2023 Nguyen Van Huynh, Jiacheng Wang, Hongyang Du, Dinh Thai Hoang, Dusit Niyato, Diep N. Nguyen, Dong In Kim, Khaled B. Letaief

The recent evolution of generative artificial intelligence (GAI) leads to the emergence of groundbreaking applications such as ChatGPT, which not only enhances the efficiency of digital content production, such as text, audio, video, or even network traffic data, but also enriches its diversity.

Diversity Survey

Few-Shot Recognition and Classification Framework for Jamming Signal: A CGAN-Based Fusion CNN Approach

no code implementations9 Nov 2023 Xuhui Ding, Yue Zhang, Gaoyang Li, Xiaozheng Gao, Neng Ye, Dusit Niyato, Kai Yang

Subject to intricate environmental variables, the precise classification of jamming signals holds paramount significance in the effective implementation of anti-jamming strategies within communication systems.

Generative Adversarial Network

GNN-Based Beamforming for Sum-Rate Maximization in MU-MISO Networks

no code implementations7 Nov 2023 Yuhang Li, Yang Lu, Bo Ai, Octavia A. Dobre, Zhiguo Ding, Dusit Niyato

This paper studies the GNN-based learning approach for the sum-rate maximization in multiple-user multiple-input single-output (MU-MISO) networks subject to the users' individual data rate requirements and the power budget of the base station.

Exploring Federated Unlearning: Analysis, Comparison, and Insights

1 code implementation30 Oct 2023 Yang Zhao, Jiaxi Yang, Yiling Tao, Lixu Wang, Xiaoxiao Li, Dusit Niyato, H. Vincent Poor

The increasing demand for privacy-preserving machine learning has spurred interest in federated unlearning, which enables the selective removal of data from models trained in federated systems.

Federated Learning Privacy Preserving +1

From Generative AI to Generative Internet of Things: Fundamentals, Framework, and Outlooks

no code implementations27 Oct 2023 Jinbo Wen, Jiangtian Nie, Jiawen Kang, Dusit Niyato, Hongyang Du, Yang Zhang, Mohsen Guizani

Generative Artificial Intelligence (GAI) possesses the capabilities of generating realistic data and facilitating advanced decision-making.

Decision Making Management

A Wireless AI-Generated Content (AIGC) Provisioning Framework Empowered by Semantic Communication

no code implementations26 Oct 2023 Runze Cheng, Yao Sun, Dusit Niyato, Lan Zhang, Lei Zhang, Muhammad Ali Imran

With the significant advances in AI-generated content (AIGC) and the proliferation of mobile devices, providing high-quality AIGC services via wireless networks is becoming the future direction.

Decoder Semantic Communication

Filling the Missing: Exploring Generative AI for Enhanced Federated Learning over Heterogeneous Mobile Edge Devices

no code implementations21 Oct 2023 Peichun Li, Hanwen Zhang, Yuan Wu, LiPing Qian, Rong Yu, Dusit Niyato, Xuemin Shen

Distributed Artificial Intelligence (AI) model training over mobile edge networks encounters significant challenges due to the data and resource heterogeneity of edge devices.

Data Augmentation Federated Learning

Adversarial Machine Learning for Social Good: Reframing the Adversary as an Ally

no code implementations5 Oct 2023 Shawqi Al-Maliki, Adnan Qayyum, Hassan Ali, Mohamed Abdallah, Junaid Qadir, Dinh Thai Hoang, Dusit Niyato, Ala Al-Fuqaha

This paper encompasses a taxonomy that highlights the emergence of AdvML4G, a discussion of the differences and similarities between AdvML4G and AdvML, a taxonomy covering social good-related concepts and aspects, an exploration of the motivations behind the emergence of AdvML4G at the intersection of ML4G and AdvML, and an extensive summary of the works that utilize AdvML4G as an auxiliary tool for innovating pro-social applications.

UAV Swarm-enabled Collaborative Secure Relay Communications with Time-domain Colluding Eavesdropper

no code implementations3 Oct 2023 Chuang Zhang, Geng Sun, Qingqing Wu, Jiahui Li, Shuang Liang, Dusit Niyato, Victor C. M. Leung

Unmanned aerial vehicles (UAVs) as aerial relays are practically appealing for assisting Internet of Things (IoT) network.

Generative AI for Integrated Sensing and Communication: Insights from the Physical Layer Perspective

no code implementations2 Oct 2023 Jiacheng Wang, Hongyang Du, Dusit Niyato, Jiawen Kang, Shuguang Cui, Xuemin Shen, Ping Zhang

In this article, we investigate applications of GAI in the physical layer and analyze its support for integrated sensing and communications (ISAC) systems.

Knowledge Base Aware Semantic Communication in Vehicular Networks

no code implementations21 Sep 2023 Le Xia, Yao Sun, Dusit Niyato, Kairong Ma, Jiawen Kang, Muhammad Ali Imran

Semantic communication (SemCom) has recently been considered a promising solution for the inevitable crisis of scarce communication resources.

Knowledge Base Construction Semantic Communication

Multiagent Reinforcement Learning with an Attention Mechanism for Improving Energy Efficiency in LoRa Networks

no code implementations16 Sep 2023 Xu Zhang, Ziqi Lin, Shimin Gong, Bo Gu, Dusit Niyato

Long Range (LoRa) wireless technology, characterized by low power consumption and a long communication range, is regarded as one of the enabling technologies for the Industrial Internet of Things (IIoT).

Generative AI-aided Joint Training-free Secure Semantic Communications via Multi-modal Prompts

no code implementations5 Sep 2023 Hongyang Du, Guangyuan Liu, Dusit Niyato, Jiayi Zhang, Jiawen Kang, Zehui Xiong, Bo Ai, Dong In Kim

The system jointly optimizes the diffusion step, jamming, and transmitting power with the aid of the generative diffusion models, enabling successful and secure transmission of the source messages.

Semantic Communication

Joint Task Offloading and Resource Allocation in Aerial-Terrestrial UAV Networks with Edge and Fog Computing for Post-Disaster Rescue

no code implementations17 Aug 2023 Geng Sun, Long He, Zemin Sun, Qingqing Wu, Shuang Liang, Jiahui Li, Dusit Niyato, Victor C. M. Leung

Unmanned aerial vehicles (UAVs) play an increasingly important role in assisting fast-response post-disaster rescue due to their fast deployment, flexible mobility, and low cost.

Edge-computing

Artificial Intelligence for Web 3.0: A Comprehensive Survey

no code implementations17 Aug 2023 Meng Shen, Zhehui Tan, Dusit Niyato, Yuzhi Liu, Jiawen Kang, Zehui Xiong, Liehuang Zhu, Wei Wang, Xuemin, Shen

Then, we thoroughly analyze the current state of AI technology applications in the four layers of Web 3. 0 and offer some insights into its potential future development direction.

Management Survey

Vision-based Semantic Communications for Metaverse Services: A Contest Theoretic Approach

no code implementations15 Aug 2023 Guangyuan Liu, Hongyang Du, Dusit Niyato, Jiawen Kang, Zehui Xiong, Boon Hee Soong

The framework provides a novel solution to resource allocation for avatar association in VR environments, ensuring a smooth and immersive experience for all users.

Semantic Communication

Blockchain-empowered Federated Learning for Healthcare Metaverses: User-centric Incentive Mechanism with Optimal Data Freshness

no code implementations29 Jul 2023 Jiawen Kang, Jinbo Wen, Dongdong Ye, Bingkun Lai, Tianhao Wu, Zehui Xiong, Jiangtian Nie, Dusit Niyato, Yang Zhang, Shengli Xie

Given the revolutionary role of metaverses, healthcare metaverses are emerging as a transformative force, creating intelligent healthcare systems that offer immersive and personalized services.

Decision Making Federated Learning +1

Beyond Reality: The Pivotal Role of Generative AI in the Metaverse

no code implementations28 Jul 2023 Vinay Chamola, Gaurang Bansal, Tridib Kumar Das, Vikas Hassija, Naga Siva Sai Reddy, Jiacheng Wang, Sherali Zeadally, Amir Hussain, F. Richard Yu, Mohsen Guizani, Dusit Niyato

This paper offers a comprehensive exploration of how generative AI technologies are shaping the Metaverse, transforming it into a dynamic, immersive, and interactive virtual world.

Image Generation Text Generation

A Revolution of Personalized Healthcare: Enabling Human Digital Twin with Mobile AIGC

no code implementations22 Jul 2023 Jiayuan Chen, Changyan Yi, Hongyang Du, Dusit Niyato, Jiawen Kang, Jun Cai, Xuemin, Shen

To promote the development of this new breed of paradigm, in this article, we propose a system architecture of mobile AIGC-driven HDT and highlight the corresponding design requirements and challenges.

Federated Learning-Empowered AI-Generated Content in Wireless Networks

no code implementations14 Jul 2023 Xumin Huang, Peichun Li, Hongyang Du, Jiawen Kang, Dusit Niyato, Dong In Kim, Yuan Wu

Artificial intelligence generated content (AIGC) has emerged as a promising technology to improve the efficiency, quality, diversity and flexibility of the content creation process by adopting a variety of generative AI models.

Federated Learning

Cost-Effective Task Offloading Scheduling for Hybrid Mobile Edge-Quantum Computing

no code implementations26 Jun 2023 Ziqiang Ye, Yulan Gao, Yue Xiao, Minrui Xu, Han Yu, Dusit Niyato

We develop cost-effective designs for both task offloading mode selection and resource allocation, subject to the individual link latency constraint guarantees for mobile devices, while satisfying the required success ratio for their computation tasks.

Decision Making Deep Reinforcement Learning +1