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In the diverse landscape of 6G networks, where wireless connectivity demands surge and spectrum resources remain limited, flexible spectrum access becomes paramount. The success of crafting such schemes hinges on our ability to accurately…

Systems and Control · Electrical Eng. & Systems 2026-03-11 Mohamad Alkadamani , Amir Ghasemi , Halim Yanikomeroglu

The task of radio map estimation aims to generate a dense representation of electromagnetic spectrum quantities, such as the received signal strength at each grid point within a geographic region, based on measurements from a subset of…

Computer Vision and Pattern Recognition · Computer Science 2025-04-30 Zheng Fang , Kangjun Liu , Ke Chen , Qingyu Liu , Jianguo Zhang , Lingyang Song , Yaowei Wang

In an era of unprecedented deluge of (mostly unstructured) data, graphs are proving more and more useful, across the sciences, as a flexible abstraction to capture complex relationships between complex objects. One of the main challenges…

Disordered Systems and Neural Networks · Physics 2016-10-17 Alaa Saade

Modern communication systems rely on accurate channel estimation to achieve efficient and reliable transmission of information. As the communication channel response is highly related to the user's location, one can use a neural network to…

Artificial Intelligence · Computer Science 2023-08-29 Baptiste Chatelier , Luc Le Magoarou , Vincent Corlay , Matthieu Crussière

Random feature maps are ubiquitous in modern statistical machine learning, where they generalize random projections by means of powerful, yet often difficult to analyze nonlinear operators. In this paper, we leverage the "concentration"…

Machine Learning · Statistics 2021-03-18 Zhenyu Liao , Romain Couillet

Channel charting builds a map of the radio environment in an unsupervised way. The obtained chart locations can be seen as low-dimensional compressed versions of channel state information that can be used for a wide variety of applications,…

Over the last years, several works have explored the application of deep learning algorithms to determine the large-scale signal fading (also referred to as ``path loss'') between transmitter and receiver pairs in urban communication…

Networking and Internet Architecture · Computer Science 2024-10-28 Fabian Jaensch , Giuseppe Caire , Begüm Demir

Radio map is an efficient demonstration for visually displaying the wireless signal coverage within a certain region. It has been considered to be increasingly helpful for the future sixth generation (6G) of wireless networks, as wireless…

Signal Processing · Electrical Eng. & Systems 2024-08-29 Shuhang Zhang , Shuai Jiang , Wanjie Lin , Zheng Fang , Kangjun Liu , Hongliang Zhang , Ke Chen

As electro-optical energy from the sun propagates through the atmosphere it is affected by radiative transfer effects including absorption, emission, and scattering. Modeling these affects is essential for scientific remote sensing…

Computational Physics · Physics 2022-07-22 Abigail Basener , Bill Basener

Several studies have explored deep learning algorithms to predict large-scale signal fading, or path loss, in urban communication networks. The goal is to replace costly measurement campaigns, inaccurate statistical models, or…

Signal Processing · Electrical Eng. & Systems 2025-06-24 Fabian Jaensch , Giuseppe Caire , Begüm Demir

Given the explosive growth of Internet of Things (IoT) devices ranging from the two-dimensional (2D) ground to the three-dimensional (3D) space, it is a necessity to establish a 3D spectrum map to comprehensively present and effectively…

Signal Processing · Electrical Eng. & Systems 2020-08-07 Qihui Wu , Feng Shen , Zheng Wang , Guoru Ding

Machine learning (ML) facilitates rapid channel modeling for 5G and beyond wireless communication systems. Many existing ML techniques utilize a city map to construct the radio map; however, an updated city map may not always be available.…

Signal Processing · Electrical Eng. & Systems 2024-03-04 Wangqian Chen , Junting Chen

Grid mapping is a fundamental approach to modeling the environment of intelligent vehicles or robots. Compared with object-based environment modeling, grid maps offer the distinct advantage of representing the environment without requiring…

Robotics · Computer Science 2026-04-03 Robin Dehler , Dominik Authaler , Aryan Thakur , Thomas Wodtko , Michael Buchholz

One of the fundamental problems within the field of machine learning is dimensionality reduction. Dimensionality reduction methods make it possible to combat the so-called curse of dimensionality, visualize high-dimensional data and, in…

Machine Learning · Computer Science 2025-05-12 Sergio García-Heredia , Ángela Fernández , Carlos M. Alaíz

Autonomous Driving is now the promising future of transportation. As one basis for autonomous driving, High Definition Map (HD map) provides high-precision descriptions of the environment, therefore it enables more accurate perception and…

Robotics · Computer Science 2020-10-13 Jinliang Xie , Jie Tang , Shaoshan Liu

The radio map represents the spatial distribution of spectrum resources within a region, supporting efficient resource allocation and interference mitigation. However, it is difficult to construct a dense radio map as a limited number of…

Computer Vision and Pattern Recognition · Computer Science 2025-07-25 Taiqin Chen , Zikun Zhou , Zheng Fang , Wenzhen Zou , Kangjun Liu , Ke Chen , Yongbing Zhang , Yaowei Wang

Image deraining holds great potential for enhancing the vision of autonomous vehicles in rainy conditions, contributing to safer driving. Previous works have primarily focused on employing a single network architecture to generate derained…

Computer Vision and Pattern Recognition · Computer Science 2024-12-31 Ningning Xu , Jidong J. Yang

Masked graph autoencoders have emerged as a powerful graph self-supervised learning method that has yet to be fully explored. In this paper, we unveil that the existing discrete edge masking and binary link reconstruction strategies are…

Machine Learning · Computer Science 2024-02-07 Ziwen Zhao , Yuhua Li , Yixiong Zou , Jiliang Tang , Ruixuan Li

Radio map, or pathloss map prediction, is a crucial method for wireless network modeling and management. By leveraging deep learning to construct pathloss patterns from geographical maps, an accurate digital replica of the transmission…

Signal Processing · Electrical Eng. & Systems 2025-01-14 Yuxuan Li , Cheng Zhang , Wen Wang , Yongming Huang

Deep learning has been widely used for hyperspectral pixel classification due to its ability of generating deep feature representation. However, how to construct an efficient and powerful network suitable for hyperspectral data is still…

Computer Vision and Pattern Recognition · Computer Science 2019-04-17 Jingzhou Chen , Siyu Chen , Peilin Zhou , Yuntao Qian