Search Results for author: Mingzhe Chen

Found 54 papers, 4 papers with code

Multi-modal Data based Semi-Supervised Learning for Vehicle Positioning

no code implementations15 Oct 2024 Ouwen Huan, Yang Yang, Tao Luo, Mingzhe Chen

To exploit unlabeled CSI data and images, a SSL framework that consists of a pretraining stage and a downstream training stage is proposed.

Outdoor Positioning

Multi-modal Image and Radio Frequency Fusion for Optimizing Vehicle Positioning

no code implementations15 Oct 2024 Ouwen Huan, Tao Luo, Mingzhe Chen

To reduce the impact of label noises caused by incorrect matching between unlabeled CSI and vehicle locations obtained from images and achieve better convergence, we introduce a weighted loss function on the unlabeled datasets, and study the use of a meta-learning algorithm for computing the weighted loss.

Meta-Learning Position

Joint Vehicle Connection and Beamforming Optimization in Digital Twin Assisted Integrated Sensing and Communication Vehicular Networks

no code implementations1 Aug 2024 Weihang Ding, Zhaohui Yang, Mingzhe Chen, Yuchen Liu, Mohammad Shikh-Bahaei

To solve the simplified problem, this paper introduces both greedy and heuristic algorithms through optimizing both vehicle assignments and predictive beamforming.

Joint Beamforming and Antenna Design for Near-Field Fluid Antenna System

no code implementations8 Jul 2024 Yixuan Chen, Mingzhe Chen, Hao Xu, Zhaohui Yang, Kai-Kit Wong, Zhaoyang Zhang

In this letter, we study the energy efficiency maximization problem for a fluid antenna system (FAS) in near field communications.

Position

Digital Twin-Assisted Data-Driven Optimization for Reliable Edge Caching in Wireless Networks

no code implementations29 Jun 2024 Zifan Zhang, Yuchen Liu, Zhiyuan Peng, Mingzhe Chen, Dongkuan Xu, Shuguang Cui

To bridge this gap, we introduce a novel digital twin-assisted optimization framework, called D-REC, which integrates reinforcement learning (RL) with diverse intervention modules to ensure reliable caching in nextG wireless networks.

Reinforcement Learning (RL)

Mapping Wireless Networks into Digital Reality through Joint Vertical and Horizontal Learning

no code implementations22 Apr 2024 Zifan Zhang, Mingzhe Chen, Zhaohui Yang, Yuchen Liu

In recent years, the complexity of 5G and beyond wireless networks has escalated, prompting a need for innovative frameworks to facilitate flexible management and efficient deployment.

Decision Making

Positioning Using Wireless Networks: Applications, Recent Progress and Future Challenges

no code implementations18 Mar 2024 Yang Yang, Mingzhe Chen, Yufei Blankenship, Jemin Lee, Zabih Ghassemlooy, Julian Cheng, Shiwen Mao

The purpose of this paper is to provide a comprehensive overview of existing works and new trends in the field of positioning techniques from both the academic and industrial perspectives.

Collaborative Reinforcement Learning Based Unmanned Aerial Vehicle (UAV) Trajectory Design for 3D UAV Tracking

no code implementations22 Jan 2024 Yujiao Zhu, Mingzhe Chen, Sihua Wang, Ye Hu, Yuchen Liu, Changchuan Yin

Meanwhile, since the accuracy of the distance estimation depends on the signal-to-noise ratio of the transmission signals, the active UAV must optimize its transmit power.

A Joint Gradient and Loss Based Clustered Federated Learning Design

no code implementations22 Nov 2023 Licheng Lin, Mingzhe Chen, Zhaohui Yang, Yusen Wu, Yuchen Liu

In particular, our designed clustered FL algorithm must overcome two challenges associated with FL training.

Clustering Federated Learning

Multiuser Resource Allocation for Semantic-Relay-Aided Text Transmissions

no code implementations12 Nov 2023 Zeyang Hu, Tianyu Liu, Changsheng You, Zhaohui Yang, Mingzhe Chen

Thus, it has the great potential to improve the spectrum efficiency of conventional wireless systems with bit transmissions, especially in low signal-to-noise ratio (SNR) and small bandwidth regions.

Decoder Semantic Communication

Digital Over-the-Air Federated Learning in Multi-Antenna Systems

no code implementations4 Feb 2023 Sihua Wang, Mingzhe Chen, Cong Shen, Changchuan Yin, Christopher G. Brinton

The PS, acting as a central controller, generates a global FL model using the received local FL models and broadcasts it back to all devices.

Federated Learning

Performance Optimization for Variable Bitwidth Federated Learning in Wireless Networks

no code implementations21 Sep 2022 Sihua Wang, Mingzhe Chen, Christopher G. Brinton, Changchuan Yin, Walid Saad, Shuguang Cui

Compared to model-free RL, this model-based RL approach leverages the derived mathematical characterization of the FL training process to discover an effective device selection and quantization scheme without imposing additional device communication overhead.

Federated Learning Model-based Reinforcement Learning +2

Beamforming Design for the Performance Optimization of Intelligent Reflecting Surface Assisted Multicast MIMO Networks

no code implementations15 Aug 2022 Songling Zhang, Zhaohui Yang, Mingzhe Chen, Danpu Liu, Kai-Kit Wong, H. Vincent Poor

Then, substituting the expressions of the beamforming matrices of the BS and the users, the original sum-rate maximization problem can be transformed into a problem that only needs to optimize the phase shifts of the IRS.

Positioning Using Visible Light Communications: A Perspective Arcs Approach

no code implementations18 Apr 2022 Zhiyu Zhu, Caili Guo, Rongzhen Bao, Mingzhe Chen, Walid Saad, Yang Yang

In this paper, the arc feature of the circular luminaire and the coordinate information obtained via visible light communication (VLC) are jointly used for VLC-enabled indoor positioning, and a novel perspective arcs approach is proposed.

ARC

Adaptive Information Bottleneck Guided Joint Source and Channel Coding for Image Transmission

no code implementations12 Mar 2022 Lunan Sun, Yang Yang, Mingzhe Chen, Caili Guo, Walid Saad, H. Vincent Poor

In particular, a new IB objective for image transmission is proposed so as to minimize the distortion and the transmission rate.

Image Reconstruction

Neural Architecture Searching for Facial Attributes-based Depression Recognition

no code implementations24 Jan 2022 Mingzhe Chen, Xi Xiao, Bin Zhang, Xinyu Liu, Runiu Lu

In this paper, we propose to extend Neural Architecture Search (NAS) technique for designing an optimal model for multiple facial attributes-based depression recognition, which can be efficiently and robustly implemented in a small dataset.

Attribute Neural Architecture Search +1

Joint LED Selection and Precoding Optimization for Multiple-User Multiple-Cell VLC Systems

no code implementations29 Aug 2021 Yang Yang, Yujie Yang, Mingzhe Chen, Chunyan Feng, Hailun Xia, Shuguang Cui, H. Vincent Poor

First, a MU-MC-VLC system model is established, and then a sum-rate maximization problem under dimming level and illumination uniformity constraints is formulated.

MBDP: A Model-based Approach to Achieve both Robustness and Sample Efficiency via Double Dropout Planning

no code implementations3 Aug 2021 Wanpeng Zhang, Xi Xiao, Yao Yao, Mingzhe Chen, Dijun Luo

MBDP consists of two kinds of dropout mechanisms, where the rollout-dropout aims to improve the robustness with a small cost of sample efficiency, while the model-dropout is designed to compensate for the lost efficiency at a slight expense of robustness.

Model-based Reinforcement Learning

Distributed Reinforcement Learning for Age of Information Minimization in Real-Time IoT Systems

no code implementations4 Apr 2021 Sihua Wang, Mingzhe Chen, Zhaohui Yang, Changchuan Yin, Walid Saad, Shuguang Cui, H. Vincent Poor

In this paper, the problem of minimizing the weighted sum of age of information (AoI) and total energy consumption of Internet of Things (IoT) devices is studied.

reinforcement-learning Reinforcement Learning (RL)

Optimization of User Selection and Bandwidth Allocation for Federated Learning in VLC/RF Systems

no code implementations5 Mar 2021 Chuanhong Liu, Caili Guo, Yang Yang, Mingzhe Chen, H. Vincent Poor, Shuguang Cui

Then, the problem of user selection and bandwidth allocation is studied for FL implemented over a hybrid VLC/RF system aiming to optimize the FL performance.

Federated Learning

Provably Improved Context-Based Offline Meta-RL with Attention and Contrastive Learning

no code implementations22 Feb 2021 Lanqing Li, Yuanhao Huang, Mingzhe Chen, Siteng Luo, Dijun Luo, Junzhou Huang

Meta-learning for offline reinforcement learning (OMRL) is an understudied problem with tremendous potential impact by enabling RL algorithms in many real-world applications.

Contrastive Learning Meta-Learning +3

Federated Learning on the Road: Autonomous Controller Design for Connected and Autonomous Vehicles

no code implementations5 Feb 2021 Tengchan Zeng, Omid Semiari, Mingzhe Chen, Walid Saad, Mehdi Bennis

The results also validate the feasibility of the contract-theoretic incentive mechanism and show that the proposed mechanism can improve the convergence speed of the DFP algorithm by 40% compared to the baselines.

Autonomous Vehicles Federated Learning

A Comprehensive Survey on 6G Networks:Applications, Core Services, Enabling Technologies, and Future Challenges

no code implementations29 Jan 2021 Amin Shahraki, Mahmoud Abbasi, Md. Jalil Piran, Mingzhe Chen, Shuguang Cui

Cellular Internet of Things (IoT) is considered as de facto paradigm to improve the communication and computation systems.

Networking and Internet Architecture

Meta-Reinforcement Learning for Reliable Communication in THz/VLC Wireless VR Networks

1 code implementation29 Jan 2021 Yining Wang, Mingzhe Chen, Zhaohui Yang, Walid Saad, Tao Luo, Shuguang Cui, H. Vincent Poor

The problem is formulated as an optimization problem whose goal is to maximize the reliability of the VR network by selecting the appropriate VAPs to be turned on and controlling the user association with SBSs.

Meta-Learning Meta Reinforcement Learning +2

Optimal Resource Allocation for Multi-UAV Assisted Visible Light Communication

no code implementations24 Dec 2020 Yihan Cang, Ming Chen, Zhaohui Yang, Mingzhe Chen, Chongwen Huang

To meet the traffic and illumination demands of the ground users while minimizing the energy consumption of the UAVs, one must optimize UAV deployment, phase shift of RISs, user association and RIS association.

Information Theory Information Theory

Distributed Multi-agent Meta Learning for Trajectory Design in Wireless Drone Networks

no code implementations6 Dec 2020 Ye Hu, Mingzhe Chen, Walid Saad, H. Vincent Poor, Shuguang Cui

Analytical results show that, the proposed VD-RL algorithm is guaranteed to converge to a local optimal solution of the non-convex optimization problem.

Meta-Learning Navigate

Wireless for Machine Learning

no code implementations31 Aug 2020 Henrik Hellström, José Mairton B. da Silva Jr, Mohammad Mohammadi Amiri, Mingzhe Chen, Viktoria Fodor, H. Vincent Poor, Carlo Fischione

As data generation increasingly takes place on devices without a wired connection, machine learning (ML) related traffic will be ubiquitous in wireless networks.

Active Learning BIG-bench Machine Learning +2

A Machine Learning Approach for Task and Resource Allocation in Mobile Edge Computing Based Networks

no code implementations20 Jul 2020 Sihua Wang, Mingzhe Chen, Xuanlin Liu, Changchuan Yin, Shuguang Cui, H. Vincent Poor

Since the data size of each computational task is different, as the requested computational task varies, the BSs must adjust their resource (subcarrier and transmit power) and task allocation schemes to effectively serve the users.

BIG-bench Machine Learning Edge-computing +2

Delay Minimization for Federated Learning Over Wireless Communication Networks

no code implementations5 Jul 2020 Zhaohui Yang, Mingzhe Chen, Walid Saad, Choong Seon Hong, Mohammad Shikh-Bahaei, H. Vincent Poor, Shuguang Cui

In this paper, the problem of delay minimization for federated learning (FL) over wireless communication networks is investigated.

Federated Learning

UVeQFed: Universal Vector Quantization for Federated Learning

1 code implementation5 Jun 2020 Nir Shlezinger, Mingzhe Chen, Yonina C. Eldar, H. Vincent Poor, Shuguang Cui

We show that combining universal vector quantization methods with FL yields a decentralized training system in which the compression of the trained models induces only a minimum distortion.

Federated Learning Quantization

Wireless Communications for Collaborative Federated Learning

no code implementations3 Jun 2020 Mingzhe Chen, H. Vincent Poor, Walid Saad, Shuguang Cui

However, due to resource constraints and privacy challenges, edge IoT devices may not be able to transmit their collected data to a central controller for training machine learning models.

BIG-bench Machine Learning Federated Learning +2

Meta-Reinforcement Learning for Trajectory Design in Wireless UAV Networks

no code implementations25 May 2020 Ye Hu, Mingzhe Chen, Walid Saad, H. Vincent Poor, Shuguang Cui

Meanwhile, the probability that the DBS serves over 50% of user requests increases about 27%, compared to the baseline policy gradient algorithm.

Meta-Learning Meta Reinforcement Learning +3

Energy-Efficient Wireless Communications with Distributed Reconfigurable Intelligent Surfaces

no code implementations1 May 2020 Zhaohui Yang, Mingzhe Chen, Walid Saad, Wei Xu, Mohammad Shikh-Bahaei, H. Vincent Poor, Shuguang Cui

In this network, multiple RISs are spatially distributed to serve wireless users and the energy efficiency of the network is maximized by dynamically controlling the on-off status of each RIS as well as optimizing the reflection coefficients matrix of the RISs.

Federated Learning for Task and Resource Allocation in Wireless High Altitude Balloon Networks

no code implementations19 Mar 2020 Sihua Wang, Mingzhe Chen, Changchuan Yin, Walid Saad, Choong Seon Hong, Shuguang Cui, H. Vincent Poor

This problem is posed as an optimization problem whose goal is to minimize the energy and time consumption for task computing and transmission by adjusting the user association, service sequence, and task allocation scheme.

Edge-computing Federated Learning

Distributed and Democratized Learning: Philosophy and Research Challenges

1 code implementation18 Mar 2020 Minh N. H. Nguyen, Shashi Raj Pandey, Kyi Thar, Nguyen H. Tran, Mingzhe Chen, Walid Saad, Choong Seon Hong

Consequently, many emerging cross-device AI applications will require a transition from traditional centralized learning systems towards large-scale distributed AI systems that can collaboratively perform multiple complex learning tasks.

Philosophy

Federated Learning in the Sky: Joint Power Allocation and Scheduling with UAV Swarms

no code implementations19 Feb 2020 Tengchan Zeng, Omid Semiari, Mohammad Mozaffari, Mingzhe Chen, Walid Saad, Mehdi Bennis

Unmanned aerial vehicle (UAV) swarms must exploit machine learning (ML) in order to execute various tasks ranging from coordinated trajectory planning to cooperative target recognition.

Federated Learning Scheduling +1

Artificial Intelligence Aided Next-Generation Networks Relying on UAVs

no code implementations28 Jan 2020 Xiao Liu, Mingzhe Chen, Yuanwei Liu, Yue Chen, Shuguang Cui, Lajos Hanzo

Artificial intelligence (AI) assisted unmanned aerial vehicle (UAV) aided next-generation networking is proposed for dynamic environments.

Position

Convergence Time Optimization for Federated Learning over Wireless Networks

no code implementations22 Jan 2020 Mingzhe Chen, H. Vincent Poor, Walid Saad, Shuguang Cui

Due to the limited number of resource blocks (RBs) in a wireless network, only a subset of users can be selected to transmit their local FL model parameters to the BS at each learning step.

Federated Learning

Deep Learning for Optimal Deployment of UAVs with Visible Light Communications

no code implementations28 Nov 2019 Yining Wang, Mingzhe Chen, Zhaohui Yang, Tao Luo, Walid Saad

Using GRUs and CNNs, the UAVs can model the long-term historical illumination distribution and predict the future illumination distribution.

Energy Efficient Federated Learning Over Wireless Communication Networks

no code implementations6 Nov 2019 Zhaohui Yang, Mingzhe Chen, Walid Saad, Choong Seon Hong, Mohammad Shikh-Bahaei

To solve this problem, an iterative algorithm is proposed where, at every step, closed-form solutions for time allocation, bandwidth allocation, power control, computation frequency, and learning accuracy are derived.

Federated Learning

Gated Recurrent Units Learning for Optimal Deployment of Visible Light Communications Enabled UAVs

no code implementations17 Sep 2019 Yining Wang, Mingzhe Chen, Zhaohui Yang, Xue Hao, Tao Luo, Walid Saad

This problem is formulated as an optimization problem whose goal is to minimize the total transmit power while meeting the illumination and communication requirements of users.

A Joint Learning and Communications Framework for Federated Learning over Wireless Networks

1 code implementation17 Sep 2019 Mingzhe Chen, Zhaohui Yang, Walid Saad, Changchuan Yin, H. Vincent Poor, Shuguang Cui

This joint learning, wireless resource allocation, and user selection problem is formulated as an optimization problem whose goal is to minimize an FL loss function that captures the performance of the FL algorithm.

Federated Learning

Analysis of Memory Capacity for Deep Echo State Networks

no code implementations11 Jun 2019 Xuanlin Liu, Mingzhe Chen, Changchuan Yin, Walid Saad

Then, a series architecture ESN is proposed in which ESN reservoirs are placed in cascade that the output of each ESN is the input of the next ESN in the series.

Federated Echo State Learning for Minimizing Breaks in Presence in Wireless Virtual Reality Networks

no code implementations4 Dec 2018 Mingzhe Chen, Omid Semiari, Walid Saad, Xuanlin Liu, Changchuan Yin

The proposed algorithm uses concept from federated learning to enable multiple BSs to locally train their deep ESNs using their collected data and cooperatively build a learning model to predict the entire users' locations and orientations.

Information Theory Information Theory

Machine Learning for Wireless Connectivity and Security of Cellular-Connected UAVs

no code implementations15 Apr 2018 Ursula Challita, Aidin Ferdowsi, Mingzhe Chen, Walid Saad

Cellular-connected unmanned aerial vehicles (UAVs) will inevitably be integrated into future cellular networks as new aerial mobile users.

BIG-bench Machine Learning Management

Artificial Neural Networks-Based Machine Learning for Wireless Networks: A Tutorial

no code implementations9 Oct 2017 Mingzhe Chen, Ursula Challita, Walid Saad, Changchuan Yin, Mérouane Debbah

Next-generation wireless networks must support ultra-reliable, low-latency communication and intelligently manage a massive number of Internet of Things (IoT) devices in real-time, within a highly dynamic environment.

BIG-bench Machine Learning

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