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This paper introduces WirelessGPT, a pioneering foundation model specifically designed for multi-task learning in wireless communication and sensing. Specifically, WirelessGPT leverages large-scale wireless channel datasets for unsupervised…

Machine Learning · Computer Science 2025-02-12 Tingting Yang , Ping Zhang , Mengfan Zheng , Yuxuan Shi , Liwen Jing , Jianbo Huang , Nan Li

Wireless sensor networks (WSN) acts as the backbone of Internet of Things (IoT) technology. In WSN, field sensing and fusion are the most commonly seen problems, which involve collecting and processing of a huge volume of spatial samples in…

Signal Processing · Electrical Eng. & Systems 2019-06-19 Hui Wu , Zhaoyang Zhang , Chunxu Jiao , Chunguang Li , Tony Q. S. Quek

The literature is abundant with methodologies focusing on using transformer architectures due to their prominence in wireless signal processing and their capability to capture long-range dependencies via attention mechanisms. In particular,…

Information Theory · Computer Science 2025-04-17 Cemil Vahapoglu , Timothy J. O'Shea , Wan Liu , Tamoghna Roy , Sennur Ulukus

Advanced interpretation of hyperspectral remote sensing images benefits many precise Earth observation tasks. Recently, visual foundation models have promoted the remote sensing interpretation but concentrating on RGB and multispectral…

Computer Vision and Pattern Recognition · Computer Science 2025-03-31 Jingtao Li , Yingyi Liu , Xinyu Wang , Yunning Peng , Chen Sun , Shaoyu Wang , Zhendong Sun , Tian Ke , Xiao Jiang , Tangwei Lu , Anran Zhao , Yanfei Zhong

Reconfigurable massive multiple-input multiple-output (RmMIMO), as an electronically-controlled fluid antenna system, offers increased flexibility for future communication systems by exploiting previously untapped degrees of freedom in the…

Information Theory · Computer Science 2024-11-07 Keke Ying , Zhen Gao , Yu Su , Tong Qin , Michail Matthaiou , Robert Schober

The most straightforward method to accelerate Stochastic Gradient Descent (SGD) computation is to distribute the randomly selected batch of inputs over multiple processors. To keep the distributed processors fully utilized requires…

Machine Learning · Computer Science 2020-01-06 Zhewei Yao , Amir Gholami , Daiyaan Arfeen , Richard Liaw , Joseph Gonzalez , Kurt Keutzer , Michael Mahoney

This paper proposes a deep learning-based beamforming design framework that directly maps a target beam pattern to optimal beamforming vectors across multiple antenna array architectures, including digital, analog, and hybrid beamforming.…

Signal Processing · Electrical Eng. & Systems 2025-10-14 Hongpu Zhang , Shu Sun , Hangsong Yan , Jianhua Mo

Deep learning (DL) based channel state information (CSI) feedback in multiple-input multiple-output (MIMO) systems recently has attracted lots of attention from both academia and industrial. From a practical point of views, it is huge…

Signal Processing · Electrical Eng. & Systems 2022-10-19 Liqiang Jin , Qiuping Huang , Qiubin Gao , Yongqiang Fei , Shaohui Sun

As a popular distributed learning paradigm, federated learning (FL) over mobile devices fosters numerous applications, while their practical deployment is hindered by participating devices' computing and communication heterogeneity. Some…

Machine Learning · Computer Science 2025-03-03 Huai-an Su , Jiaxiang Geng , Liang Li , Xiaoqi Qin , Yanzhao Hou , Hao Wang , Xin Fu , Miao Pan

Accurate yet low-latency channel state information (CSI) acquisition is essential for multiple-input multiple-output (MIMO) communication systems. While advanced deep generative models, such as score-based and diffusion models, enable…

Information Theory · Computer Science 2026-04-27 Junjie Zhao , Guangming Liang , Dongzhu Liu , Xiaonan Liu

Hyperspectral imaging (HSI) analysis faces computational bottlenecks due to massive data volumes that exceed available memory. While foundation models pre-trained on large remote sensing datasets show promise, their learned representations…

Computer Vision and Pattern Recognition · Computer Science 2026-01-01 Yu-Tang Chang , Pin-Wei Chen , Shih-Fang Chen

Complementary to the fine-grained channel state information (CSI) from the physical layer and coarse-grained received signal strength indicator (RSSI) measurements, the mid-grained spatial beam attributes (e.g., beam SNR) that are available…

Networking and Internet Architecture · Computer Science 2022-02-08 Jianyuan Yu , Pu , Wang , Toshiaki Koike-Akino , Ye Wang , Philip V. Orlik , R. Michael Buehrer

In this paper, we incorporate physical knowledge into learning-based high-precision target sensing using the multi-view channel state information (CSI) between multiple base stations (BSs) and user equipment (UEs). Such kind of multi-view…

Signal Processing · Electrical Eng. & Systems 2026-02-27 Ziqing Xing , Zhaoyang Zhang , Zirui Chen , Hongning Ruan , Zhaohui Yang , Zhiyong Feng

Large AI models have been widely adopted in wireless communications for channel modeling, beamforming, and resource optimization. However, most existing efforts remain limited to single-modality inputs and channel-specific objec- tives,…

Machine Learning · Computer Science 2025-11-18 Zhizhen Li , Xuanhao Luo , Xueren Ge , Longyu Zhou , Xingqin Lin , Yuchen Liu

Most existing training systems focus on a single region. In contrast, we envision that cross-region training offers more flexible GPU resource allocation and yields significant potential. However, the hierarchical cluster topology and…

Systems and Control · Electrical Eng. & Systems 2025-05-28 Jinquan Wang , Xiaojian Liao , Xuzhao Liu , Jiashun Suo , Zhisheng Huo , Chenhao Zhang , Xiangrong Xu , Runnan Shen , Xilong Xie , Limin Xiao

Hyperspectral image (HSI) fusion addresses the challenge of reconstructing High-Resolution HSIs (HR-HSIs) from High-Resolution Multispectral images (HR-MSIs) and Low-Resolution HSIs (LR-HSIs), a critical task given the high costs and…

Image and Video Processing · Electrical Eng. & Systems 2025-01-15 Chia-Ming Lee , Yu-Fan Lin , Yu-Hao Ho , Li-Wei Kang , Chih-Chung Hsu

We introduce a self-supervised framework for learning predictive and structured representations of wireless channels by modeling the temporal evolution of channel state information (CSI) in a compact latent space. Our method casts the…

Signal Processing · Electrical Eng. & Systems 2026-03-23 Salmane Naoumi , Mehdi Bennis , Marwa Chafii

Increasing the mini-batch size for stochastic gradient descent offers significant opportunities to reduce wall-clock training time, but there are a variety of theoretical and systems challenges that impede the widespread success of this…

With the rapid growth of hyperspectral data archives in remote sensing (RS), the need for efficient storage has become essential, driving significant attention toward learning-based hyperspectral image (HSI) compression. However, a…

Computer Vision and Pattern Recognition · Computer Science 2025-11-04 Martin Hermann Paul Fuchs , Behnood Rasti , Begüm Demir

Deep learning (DL)-based channel state information (CSI) feedback has shown promising potential to improve spectrum efficiency in massive MIMO systems. However, practical DL approaches require a sizeable CSI dataset for each scenario, and…

Information Theory · Computer Science 2023-11-07 Zhenyu Liu , Li Wang , Lianming Xu , Zhi Ding