Search Results for author: Victor C. M. Leung

Found 25 papers, 2 papers with code

Socialized Learning: A Survey of the Paradigm Shift for Edge Intelligence in Networked Systems

no code implementations20 Apr 2024 Xiaofei Wang, Yunfeng Zhao, Chao Qiu, QinGhua Hu, Victor C. M. Leung

In response to these issues, this paper introduces socialized learning (SL) as a promising solution, further propelling the advancement of EI.

Edge-computing

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.

Communication-Efficient Large-Scale Distributed Deep Learning: A Comprehensive Survey

no code implementations9 Apr 2024 Feng Liang, Zhen Zhang, Haifeng Lu, Victor C. M. Leung, Yanyi Guo, Xiping Hu

Due to intensive synchronization of models and sharing of data across GPUs and computing nodes during distributed training and inference processes, communication efficiency becomes the bottleneck for achieving high performance at a large scale.

Data Compression Scheduling

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

On Designing Multi-UAV aided Wireless Powered Dynamic Communication via Hierarchical Deep Reinforcement Learning

no code implementations13 Dec 2023 Ze Yu Zhao, Yue Ling Che, Sheng Luo, Gege Luo, Kaishun Wu, Victor C. M. Leung

We then propose a new multi-agent based hierarchical deep reinforcement learning (MAHDRL) framework with two tiers to solve the problem efficiently, where the soft actor critic (SAC) policy is designed in tier-1 to determine each UAV's continuous trajectory and binary WET decision over time slots, and the deep-Q learning (DQN) policy is designed in tier-2 to determine each UAV's binary WDC decisions over sub-slots under the given UAV trajectory from tier-1.

Q-Learning

A Survey of Adversarial CAPTCHAs on its History, Classification and Generation

no code implementations22 Nov 2023 Zisheng Xu, Qiao Yan, F. Richard Yu, Victor C. M. Leung

The discovery of adversarial examples provides an ideal solution to the security and usability trade-off by integrating adversarial examples and CAPTCHAs to generate adversarial CAPTCHAs that can fool the deep models.

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.

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

Terahertz Communications and Sensing for 6G and Beyond: A Comprehensive View

no code implementations19 Jul 2023 Wei Jiang, Qiuheng Zhou, Jiguang He, Mohammad Asif Habibi, Sergiy Melnyk, Mohammed El Absi, Bin Han, Marco Di Renzo, Hans Dieter Schotten, Fa-Long Luo, Tarek S. El-Bawab, Markku Juntti, Merouane Debbah, Victor C. M. Leung

Different from earlier surveys, this paper presents a comprehensive treatment and technology survey on THz communications and sensing in terms of the advantages, applications, propagation characterization, channel modeling, measurement campaigns, antennas, transceiver devices, beamforming, networking, the integration of communications and sensing, and experimental testbeds.

Accelerating Wireless Federated Learning via Nesterov's Momentum and Distributed Principle Component Analysis

no code implementations31 Mar 2023 Yanjie Dong, Luya Wang, Yuanfang Chi, Jia Wang, Haijun Zhang, Fei Richard Yu, Victor C. M. Leung, Xiping Hu

A wireless federated learning system is investigated by allowing a server and workers to exchange uncoded information via orthogonal wireless channels.

Federated Learning

DeepMA: End-to-end Deep Multiple Access for Wireless Image Transmission in Semantic Communication

no code implementations21 Mar 2023 Wenyu Zhang, Kaiyuan Bai, Sherali Zeadally, Haijun Zhang, Hua Shao, Hui Ma, Victor C. M. Leung

Semantic communication is a new paradigm that exploits deep learning models to enable end-to-end communications processes, and recent studies have shown that it can achieve better noise resiliency compared with traditional communication schemes in a low signal-to-noise (SNR) regime.

Privacy Preserving

When Quantum Information Technologies Meet Blockchain in Web 3.0

no code implementations29 Nov 2022 Minrui Xu, Xiaoxu Ren, Dusit Niyato, Jiawen Kang, Chao Qiu, Zehui Xiong, Xiaofei Wang, Victor C. M. Leung

Therefore, in this paper, we introduce a quantum blockchain-driven Web 3. 0 framework that provides information-theoretic security for decentralized data transferring and payment transactions.

Cloud Computing

AI-aided Traffic Control Scheme for M2M Communications in the Internet of Vehicles

no code implementations5 Mar 2022 Haijun Zhang, Minghui Jiang, Xiangnan Liu, Keping Long, Victor C. M. Leung

Due to the rapid growth of data transmissions in internet of vehicles (IoV), finding schemes that can effectively alleviate access congestion has become an important issue.

Power Line Communication and Sensing Using Time Series Forecasting

no code implementations19 Oct 2021 Yinjia Huo, Gautham Prasad, Lutz Lampe, Victor C. M. Leung

Power line communication (PLC) offers a cost-effective solution for joint communication and sensing for smart grids.

Time Series Time Series Forecasting

Blockchain-empowered Data-driven Networks: A Survey and Outlook

no code implementations29 Jan 2021 Xi Li, Zehua Wang, Victor C. M. Leung, Hong Ji, Yiming Liu, Heli Zhang

The paths leading to future networks are pointing towards a data-driven paradigm to better cater to the explosive growth of mobile services as well as the increasing heterogeneity of mobile devices, many of which generate and consume large volumes and variety of data.

Networking and Internet Architecture

Tailored Learning-Based Scheduling for Kubernetes-Oriented Edge-Cloud System

no code implementations17 Jan 2021 Yiwen Han, Shihao Shen, Xiaofei Wang, Shiqiang Wang, Victor C. M. Leung

In this paper, we introduce KaiS, a learning-based scheduling framework for such edge-cloud systems to improve the long-term throughput rate of request processing.

Scheduling

Energy-Efficient Resource Allocation for NOMA enabled MEC Networks with Imperfect CSI

no code implementations14 Sep 2020 Fang Fang, Kaidi Wang, Zhiguo Ding, Victor C. M. Leung

In this paper, we mainly focus on energy-efficient resource allocation for a multi-user, multi-BS NOMA assisted MEC network with imperfect channel state information (CSI), in which each user can upload its tasks to multiple base stations (BSs) for remote executions.

Edge-computing

Edge Network-Assisted Real-Time Object Detection Framework for Autonomous Driving

no code implementations17 Aug 2020 Seung Wook Kim, Keunsoo Ko, Haneul Ko, Victor C. M. Leung

In an EODF, AVs extract the region of interests~(RoIs) of the captured image when the channel quality is not sufficiently good for supporting real-time OD.

Autonomous Driving object-detection +1

Communication-Efficient Robust Federated Learning Over Heterogeneous Datasets

no code implementations17 Jun 2020 Yanjie Dong, Georgios B. Giannakis, Tianyi Chen, Julian Cheng, Md. Jahangir Hossain, Victor C. M. Leung

For strongly convex loss functions, FRPG and LFRPG have provably faster convergence rates than a benchmark robust stochastic aggregation algorithm.

Federated Learning

Energy Efficient User Clustering, Hybrid Precoding and Power Optimization in Terahertz MIMO-NOMA Systems

no code implementations3 May 2020 Haijun Zhang, Haisen Zhang, Wei Liu, Keping Long, Jiangbo Dong, Victor C. M. Leung

Considering the power consumption and implementation complexity, the hybrid precoding scheme based on the sub-connection structure is adopted.

Clustering

Emotion Recognition From Gait Analyses: Current Research and Future Directions

no code implementations13 Mar 2020 Shihao Xu, Jing Fang, Xiping Hu, Edith Ngai, Wei Wang, Yi Guo, Victor C. M. Leung

This article reviews current research on gait-based emotion detection, particularly on how gait parameters can be affected by different emotion states and how the emotion states can be recognized through distinct gait patterns.

Emotion Recognition

Convergence of Edge Computing and Deep Learning: A Comprehensive Survey

1 code implementation19 Jul 2019 Xiaofei Wang, Yiwen Han, Victor C. M. Leung, Dusit Niyato, Xueqiang Yan, Xu Chen

Ubiquitous sensors and smart devices from factories and communities are generating massive amounts of data, and ever-increasing computing power is driving the core of computation and services from the cloud to the edge of the network.

Cloud Computing Edge-computing +2

Secure Distributed On-Device Learning Networks With Byzantine Adversaries

no code implementations3 Jun 2019 Yanjie Dong, Julian Cheng, Md. Jahangir Hossain, Victor C. M. Leung

The worst-case malfunctioning terminals are the Byzantine adversaries, that can perform arbitrary harmful operations to compromise the learned model based on the full knowledge of the networks.

Federated Learning Privacy Preserving

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