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Dynamic Mode Decomposition (DMD) is a powerful data-driven method used to extract spatio-temporal coherent structures that dictate a given dynamical system. The method consists of stacking collected temporal snapshots into a matrix and…

Machine Learning · Computer Science 2021-05-11 Gabriel F. Barros , Malú Grave , Alex Viguerie , Alessandro Reali , Alvaro L. G. A. Coutinho

Dynamic metasurface antennas (DMAs) are a promising hybrid analog/digital beamforming technology to realize next-generation wireless systems with low cost, footprint, and power consumption. The research on DMA-empowered wireless systems is…

Signal Processing · Electrical Eng. & Systems 2025-06-12 François Yven , Jean Tapie , Jérôme Sol , Philipp del Hougne

We present a data-driven method for separating complex, multiscale systems into their constituent time-scale components using a recursive implementation of dynamic mode decomposition (DMD). Local linear models are built from windowed…

Systems and Control · Computer Science 2019-06-26 Daniel Dylewsky , Molei Tao , J. Nathan Kutz

Identification of the type of communication technology and/or modulation scheme based on detected radio signal are challenging problems encountered in a variety of applications including spectrum allocation and radio interference…

Signal Processing · Electrical Eng. & Systems 2020-11-18 Ziqi Ke , Haris Vikalo

Deep neural network (DNN)-based receivers offer a powerful alternative to classical model-based designs for wireless communication, especially in complex and nonlinear propagation environments. However, their adoption is challenged by the…

Signal Processing · Electrical Eng. & Systems 2026-05-26 Yakov Gusakov , Osvaldo Simeone , Tirza Routtenberg , Nir Shlezinger

There has been a growing interest in developing data-driven, and in particular deep neural network (DNN) based methods for modern communication tasks. For a few popular tasks such as power control, beamforming, and MIMO detection, these…

Signal Processing · Electrical Eng. & Systems 2022-05-11 Haoran Sun , Wenqiang Pu , Xiao Fu , Tsung-Hui Chang , Mingyi Hong

We consider a dynamic multichannel access problem, where multiple correlated channels follow an unknown joint Markov model. A user at each time slot selects a channel to transmit data and receives a reward based on the success or failure of…

Networking and Internet Architecture · Computer Science 2018-02-21 Shangxing Wang , Hanpeng Liu , Pedro Henrique Gomes , Bhaskar Krishnamachari

Channel modelling is essential to designing modern wireless communication systems. The increasing complexity of channel modelling and the cost of collecting high-quality wireless channel data have become major challenges. In this paper, we…

Artificial Intelligence · Computer Science 2023-08-11 Ushnish Sengupta , Chinkuo Jao , Alberto Bernacchia , Sattar Vakili , Da-shan Shiu

Joint base station (BS) association and beam selection in multi-UAV aerial corridors constitutes a challenging radio resource management (RRM) problem. It is driven by high-dimensional action spaces, need for substantial overhead to acquire…

Signal Processing · Electrical Eng. & Systems 2026-02-04 Pulok Tarafder , Zoheb Hassan , Imtiaz Ahmed , Danda B. Rawat , Kamrul Hasan , Cong Pu

Foundation model-based semantic transmission has recently shown great potential in wireless image communication. However, existing methods exhibit two major limitations: (i) they overlook the varying importance of semantic components for…

Image and Video Processing · Electrical Eng. & Systems 2025-09-30 Fangyu Liu , Peiwen Jiang , Wenjin Wang , Chao-Kai Wen , Shi Jin , Jun Zhang

Predicting the dynamics of complex systems is crucial for various scientific and engineering applications. The accuracy of predictions depends on the model's ability to capture the intrinsic dynamics. While existing methods capture key…

Computational Engineering, Finance, and Science · Computer Science 2025-06-10 Ruikun Li , Jingwen Cheng , Huandong Wang , Qingmin Liao , Yong Li

Embodied perception systems face severe challenges of dynamic environment distribution drift when they continuously interact in open physical spaces. However, the existing domain incremental awareness methods often rely on the domain id…

Computer Vision and Pattern Recognition · Computer Science 2026-04-03 Juncen Guo , Xiaoguang Zhu , Jingyi Wu , Jingyu Zhang , Jingnan Cai , Zhenghao Niu , Liang Song

The integration of digital twinning technologies is driving next-generation networks toward new capabilities, allowing operators to thoroughly understand network conditions, efficiently analyze valuable radio data, and innovate applications…

Networking and Internet Architecture · Computer Science 2025-09-03 Zifan Zhang , Minghong Fang , Mingzhe Chen , Yuchen Liu

As a virtual, synchronized replica of physical network, the digital twin network (DTN) is envisioned to sense, predict, optimize and manage the intricate wireless technologies and architectures brought by 6G. Given that the properties of…

Signal Processing · Electrical Eng. & Systems 2025-02-21 Li Yu , Yinghe Miao , Jianhua Zhang , Shaoyi Liu , Yuxiang Zhang , Guangyi Liu

This work proposes a novel channel estimator based on diffusion models (DMs), one of the currently top-rated generative models. Contrary to related works utilizing generative priors, a lightweight convolutional neural network (CNN) with…

Signal Processing · Electrical Eng. & Systems 2024-03-07 Benedikt Fesl , Michael Baur , Florian Strasser , Michael Joham , Wolfgang Utschick

The design of wireless communication receivers to enhance signal processing in complex and dynamic environments is going through a transformation by leveraging deep neural networks (DNNs). Traditional wireless receivers depend on…

Information Theory · Computer Science 2025-01-30 Shadman Rahman Doha , Ahmed Abdelhadi

Accurate channel estimation is crucial for the improvement of signal processing performance in wireless communications. However, traditional model-based methods frequently experience difficulties in dynamic environments. Similarly,…

Signal Processing · Electrical Eng. & Systems 2025-07-15 Thien Hieu Hoang , Tri Nhu Do , Georges Kaddoum

This paper addresses the challenges of mobile user requirements in shadowing and multi-fading environments, focusing on the Downlink (DL) radio node selection based on Uplink (UL) channel estimation. One of the key issues tackled in this…

Networking and Internet Architecture · Computer Science 2024-12-02 Mervat Zarour , Qiuheng Zhou , Sergiy Melnyk , Hans D. Schotten

Channel estimation is a critical task in digital communications that greatly impacts end-to-end system performance. In this work, we introduce a novel approach for multiple-input multiple-output (MIMO) channel estimation using score-based…

Signal Processing · Electrical Eng. & Systems 2022-02-16 Marius Arvinte , Jonathan I Tamir

Along with the prosperity of generative artificial intelligence (AI), its potential for solving conventional challenges in wireless communications has also surfaced. Inspired by this trend, we investigate the application of the advanced…

Information Theory · Computer Science 2026-03-10 Xingyu Zhou , Le Liang , Jing Zhang , Peiwen Jiang , Yong Li , Shi Jin