Search Results for author: Guangxu Zhu

Found 24 papers, 4 papers with code

Collaborative Edge AI Inference over Cloud-RAN

no code implementations9 Apr 2024 Pengfei Zhang, Dingzhu Wen, Guangxu Zhu, Qimei Chen, Kaifeng Han, Yuanming Shi

To realize efficient uplink feature aggregation, we allow each RRH receives local feature vectors from all devices over the same resource blocks simultaneously by leveraging an over-the-air computation (AirComp) technique.

Quantization

Rethinking Resource Management in Edge Learning: A Joint Pre-training and Fine-tuning Design Paradigm

no code implementations1 Apr 2024 Zhonghao Lyu, Yuchen Li, Guangxu Zhu, Jie Xu, H. Vincent Poor, Shuguang Cui

Based on our analytical results, we then propose a joint communication and computation resource management design to minimize an average squared gradient norm bound, subject to constraints on the transmit power, overall system energy consumption, and training delay.

Management

RadioGAT: A Joint Model-based and Data-driven Framework for Multi-band Radiomap Reconstruction via Graph Attention Networks

no code implementations25 Mar 2024 Xiaojie Li, Songyang Zhang, Hang Li, Xiaoyang Li, Lexi Xu, Haigao Xu, Hui Mei, Guangxu Zhu, Nan Qi, Ming Xiao

Multi-band radiomap reconstruction (MB-RMR) is a key component in wireless communications for tasks such as spectrum management and network planning.

Graph Attention

Finding the Missing Data: A BERT-inspired Approach Against Package Loss in Wireless Sensing

1 code implementation19 Mar 2024 Zijian Zhao, TingWei Chen, Fanyi Meng, Hang Li, Xiaoyang Li, Guangxu Zhu

Despite the development of various deep learning methods for Wi-Fi sensing, package loss often results in noncontinuous estimation of the Channel State Information (CSI), which negatively impacts the performance of the learning models.

Fast and Accurate Cooperative Radio Map Estimation Enabled by GAN

no code implementations5 Feb 2024 Zezhong Zhang, Guangxu Zhu, Junting Chen, Shuguang Cui

In the 6G era, real-time radio resource monitoring and management are urged to support diverse wireless-empowered applications.

Generative Adversarial Network Management

Successive Pose Estimation and Beam Tracking for mmWave Vehicular Communication Systems

1 code implementation30 Jul 2023 Cen Liu, Guangxu Zhu, Fan Liu, Yuanwei Liu, Kaibin Huang

Simulation results demonstrate that the proposed SPEBT scheme is capable of providing precise pose estimation information and accurate beam tracking output, while reducing the proportion of beam training overhead to less than 5% averagely.

Pose Estimation Radar odometry

Communication Resources Constrained Hierarchical Federated Learning for End-to-End Autonomous Driving

1 code implementation28 Jun 2023 Wei-Bin Kou, Shuai Wang, Guangxu Zhu, Bin Luo, Yingxian Chen, Derrick Wing Kwan Ng, Yik-Chung Wu

While federated learning (FL) improves the generalization of end-to-end autonomous driving by model aggregation, the conventional single-hop FL (SFL) suffers from slow convergence rate due to long-range communications among vehicles and cloud server.

Autonomous Driving Federated Learning

Integrated Sensing, Computation, and Communication for UAV-assisted Federated Edge Learning

no code implementations5 Jun 2023 Yao Tang, Guangxu Zhu, Wei Xu, Man Hon Cheung, Tat-Ming Lok, Shuguang Cui

Unmanned Aerial Vehicle (UAV)-mounted edge devices are particularly advantageous for FEEL due to their flexibility and mobility in efficient data collection.

Position Privacy Preserving

Bayesian Over-the-Air FedAvg via Channel Driven Stochastic Gradient Langevin Dynamics

no code implementations7 May 2023 Boning Zhang, Dongzhu Liu, Osvaldo Simeone, Guangxu Zhu

The recent development of scalable Bayesian inference methods has renewed interest in the adoption of Bayesian learning as an alternative to conventional frequentist learning that offers improved model calibration via uncertainty quantification.

Bayesian Inference Uncertainty Quantification

Task-Oriented Over-the-Air Computation for Multi-Device Edge AI

no code implementations2 Nov 2022 Dingzhu Wen, Xiang Jiao, Peixi Liu, Guangxu Zhu, Yuanming Shi, Kaibin Huang

To design inference-oriented AirComp, the transmit precoders at edge devices and receive beamforming at edge server are jointly optimized to rein in the aggregation error and maximize the inference accuracy.

Decision Making

Large-Scale Bandwidth and Power Optimization for Multi-Modal Edge Intelligence Autonomous Driving

no code implementations18 Oct 2022 Xinrao Li, Tong Zhang, Shuai Wang, Guangxu Zhu, Rui Wang, Tsung-Hui Chang

However, wireless channels between the edge server and the autonomous vehicles are time-varying due to the high-mobility of vehicles.

Autonomous Driving

Low-Latency Cooperative Spectrum Sensing via Truncated Vertical Federated Learning

no code implementations7 Aug 2022 Zezhong Zhang, Guangxu Zhu, Shuguang Cui

To accelerate the training process, we propose a truncated vertical federated learning (T-VFL) algorithm, where the training latency is highly reduced by integrating the standard VFL algorithm with a channel-aware user scheduling policy.

Scheduling Vertical Federated Learning

Task-Oriented Sensing, Computation, and Communication Integration for Multi-Device Edge AI

no code implementations3 Jul 2022 Dingzhu Wen, Peixi Liu, Guangxu Zhu, Yuanming Shi, Jie Xu, Yonina C. Eldar, Shuguang Cui

This paper studies a new multi-device edge artificial-intelligent (AI) system, which jointly exploits the AI model split inference and integrated sensing and communication (ISAC) to enable low-latency intelligent services at the network edge.

Management Quantization

Towards Tailored Models on Private AIoT Devices: Federated Direct Neural Architecture Search

no code implementations23 Feb 2022 Chunhui Zhang, Xiaoming Yuan, Qianyun Zhang, Guangxu Zhu, Lei Cheng, Ning Zhang

To further adapt to both various data distributions and different types of devices with heterogeneous embedded hardware platforms, inspired by meta-learning, a Cluster Federated Direct Neural Architecture Search (CFDNAS) framework is proposed to achieve device-aware NAS, in the sense that each device can learn a tailored deep learning model for its particular data distribution and hardware constraint.

Federated Learning Meta-Learning +1

Vertical Federated Edge Learning with Distributed Integrated Sensing and Communication

no code implementations21 Jan 2022 Peixi Liu, Guangxu Zhu, Wei Jiang, Wu Luo, Jie Xu, Shuguang Cui

This letter studies a vertical federated edge learning (FEEL) system for collaborative objects/human motion recognition by exploiting the distributed integrated sensing and communication (ISAC).

Accelerating Federated Edge Learning via Optimized Probabilistic Device Scheduling

no code implementations24 Jul 2021 Maojun Zhang, Guangxu Zhu, Shuai Wang, Jiamo Jiang, Caijun Zhong, Shuguang Cui

Building on the analytical result, an optimized probabilistic scheduling policy is derived in closed-form by solving the approximate communication time minimization problem.

Autonomous Driving Learning Theory +2

Accelerating Edge Intelligence via Integrated Sensing and Communication

no code implementations20 Jul 2021 Tong Zhang, Shuai Wang, Guoliang Li, Fan Liu, Guangxu Zhu, Rui Wang

Conventionally, the sensing and communication stages are executed sequentially, which results in excessive amount of dataset generation and uploading time.

Turning Channel Noise into an Accelerator for Over-the-Air Principal Component Analysis

no code implementations20 Apr 2021 Zezhong Zhang, Guangxu Zhu, Rui Wang, Vincent K. N. Lau, Kaibin Huang

The novelty of this design lies in exploiting channel noise to accelerate the descent in the region around each saddle point encountered by gradient descent, thereby increasing the convergence speed of over-the-air PCA.

Data Compression

One-Bit Over-the-Air Aggregation for Communication-Efficient Federated Edge Learning: Design and Convergence Analysis

no code implementations16 Jan 2020 Guangxu Zhu, Yuqing Du, Deniz Gunduz, Kaibin Huang

We provide a comprehensive analysis of the effects of wireless channel hostilities (channel noise, fading, and channel estimation errors) on the convergence rate of the proposed FEEL scheme.

Information Theory Distributed, Parallel, and Cluster Computing Networking and Internet Architecture Signal Processing Information Theory

Broadband Analog Aggregation for Low-Latency Federated Edge Learning (Extended Version)

no code implementations30 Dec 2018 Guangxu Zhu, Yong Wang, Kaibin Huang

To leverage the data and resources, a new machine learning paradigm, called edge learning, has emerged where learning algorithms are deployed at the edge for providing fast and intelligent services to mobile users.

Scheduling

Wireless Data Acquisition for Edge Learning: Data-Importance Aware Retransmission

no code implementations5 Dec 2018 Dongzhu Liu, Guangxu Zhu, Jun Zhang, Kaibin Huang

To solve the problem, a new retransmission protocol called data-importance aware automatic-repeat-request (importance ARQ) is proposed.

Towards an Intelligent Edge: Wireless Communication Meets Machine Learning

no code implementations2 Sep 2018 Guangxu Zhu, Dongzhu Liu, Yuqing Du, Changsheng You, Jun Zhang, Kaibin Huang

Accordingly, a new research area, called edge learning, emerges, which crosses and revolutionizes two disciplines: wireless communication and machine learning.

BIG-bench Machine Learning Edge-computing

Grassmannian Learning: Embedding Geometry Awareness in Shallow and Deep Learning

1 code implementation7 Aug 2018 Jiayao Zhang, Guangxu Zhu, Robert W. Heath Jr., Kaibin Huang

We hope to inspire practitioners in different fields to adopt the powerful tool of Grassmannian learning in their research.

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