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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. The concept of digital twins (DTs) has emerged as a…

Networking and Internet Architecture · Computer Science 2024-04-24 Zifan Zhang , Mingzhe Chen , Zhaohui Yang , Yuchen Liu

Channel estimation is crucial in wireless communications. However, in many papers neural networks are frequently tested by training and testing on one example channel or similar channels. This is because data-driven methods often degrade on…

Signal Processing · Electrical Eng. & Systems 2025-07-22 Dianxin Luan , John Thompson

Indoor pathloss prediction is a fundamental task in wireless network planning, yet it remains challenging due to environmental complexity and data scarcity. In this work, we propose a deep learning-based approach utilizing a vision…

Computer Vision and Pattern Recognition · Computer Science 2025-05-09 Rafayel Mkrtchyan , Edvard Ghukasyan , Khoren Petrosyan , Hrant Khachatrian , Theofanis P. Raptis

Reconfigurable Intelligent Surface (RIS) has emerged as one of the key technologies for 6G in recent years, which comprise a large number of low-cost passive elements that can smartly interact with the impinging electromagnetic waves for…

Networking and Internet Architecture · Computer Science 2020-09-02 Baoling Sheen , Jin Yang , Xianglong Feng , Md Moin Uddin Chowdhury

Incorporating artificial intelligence and machine learning (AI/ML) methods within the 5G wireless standard promises autonomous network behavior and ultra-low-latency reconfiguration. However, the effort so far has purely focused on learning…

Neural Radiance Fields (NeRFs) have emerged as a groundbreaking paradigm for representing 3D objects and scenes by encoding shape and appearance information into the weights of a neural network. Recent studies have demonstrated that these…

Computer Vision and Pattern Recognition · Computer Science 2026-03-27 Francesco Ballerini , Pierluigi Zama Ramirez , Luigi Di Stefano , Samuele Salti

The upper 6 GHz (U6G) band with XL-MIMO is a key enabler for sixth-generation wireless systems, yet intelligent radiomap prediction for such systems remains challenging. Existing datasets support only small-scale arrays (up to 8x8) with…

Signal Processing · Electrical Eng. & Systems 2026-03-09 Xiaojie Li , Yu Han , Zhizheng Lu , Shi Jin , Chao-Kai Wen

Achieving consistent color reproduction across multiple cameras is essential for seamless image fusion and Image Processing Pipeline (ISP) compatibility in modern devices, but it is a challenging task due to variations in sensors and…

Computer Vision and Pattern Recognition · Computer Science 2025-06-12 Peter Grönquist , Stepan Tulyakov , Dengxin Dai

Future communication networks must address the scarce spectrum to accommodate extensive growth of heterogeneous wireless devices. Wireless signal recognition is becoming increasingly more significant for spectrum monitoring, spectrum…

Signal Processing · Electrical Eng. & Systems 2022-06-22 Anu Jagannath , Jithin Jagannath

Radio maps reflect the spatial distribution of signal strength and are essential for applications like smart cities, IoT, and wireless network planning. However, reconstructing accurate radio maps from sparse measurements remains…

Computer Vision and Pattern Recognition · Computer Science 2025-07-09 Chuyun Deng , Na Liu , Wei Xie , Lianming Xu , Li Wang

This thesis develops data-driven machine learning algorithms to managing and optimizing the next-generation highly complex cyberphysical systems, which desperately need ground-breaking control, monitoring, and decision making schemes that…

Machine Learning · Computer Science 2022-02-14 Alireza Sadeghi

In this chapter, we investigate the mathematical foundation of the modeling and design of reconfigurable intelligent surfaces (RIS) in both the far- and near-field regimes. More specifically, we first present RIS-assisted wireless channel…

Signal Processing · Electrical Eng. & Systems 2025-10-16 Mohamadreza Delbari , George C. Alexandropoulos , Robert Schober , Vahid Jamali

Modern edge devices increasingly rely on neural networks for intelligent applications. However, conventional digital computing-based edge inference requires substantial memory and energy consumption. In analog radio frequency (RF)…

Signal Processing · Electrical Eng. & Systems 2026-05-15 Wentao Yu , Vincent W. S. Wong

Robust classification of the operational environment of wireless devices is becoming increasingly important for wireless network optimization, particularly in a shared spectrum environment. Distinguishing between indoor and outdoor devices…

Networking and Internet Architecture · Computer Science 2025-01-14 Hossein Nasiri , Seda Dogan-Tusha , Muhammad Iqbal Rochman , Monisha Ghosh

With the rapid increase in mobile subscribers, there is a drive towards achieving higher data rates, prompting the use of higher frequencies in future wireless communication technologies. Wave propagation channel modeling for these…

Signal Processing · Electrical Eng. & Systems 2024-06-13 Xueyun Long , Amina Fellan , Mario Pauli , Hans D. Schotten , Thomas Zwick

Many applications, especially in physics and other sciences, call for easily interpretable and robust machine learning techniques. We propose a fully gradient-based technique for training radial basis function networks with an efficient and…

Machine Learning · Computer Science 2022-09-30 Jussi Määttä , Viacheslav Bazaliy , Jyri Kimari , Flyura Djurabekova , Kai Nordlund , Teemu Roos

Communication is fundamental for multi-robot collaboration, with accurate radio mapping playing a crucial role in predicting signal strength between robots. However, modeling radio signal propagation in large and occluded environments is…

Robotics · Computer Science 2025-04-22 Yiming Luo , Yunfei Wang , Hongming Chen , Chengkai Wu , Ximin Lyu , Jinni Zhou , Jun Ma , Fu Zhang , Boyu Zhou

Integrating efficient connectivity, positioning and sensing functionalities into 5G New Radio (NR) and beyond mobile cellular systems is one timely research paradigm, especially at mm-wave and sub-THz bands. In this article, we address the…

Ray tracing (RT) simulation is a widely used approach to enable modeling wireless channels in applications such as network digital twins. However, the computational cost to execute ray tracing (RT) is proportional to factors such as the…

Networking and Internet Architecture · Computer Science 2025-07-24 Cláudio Modesto , Lucas Mozart , Pedro Batista , André Cavalcante , Aldebaro Klautau

The construction of brain graphs from functional Magnetic Resonance Imaging (fMRI) data plays a crucial role in enabling graph machine learning for neuroimaging. However, current practices often rely on rigid pipelines that overlook…

Machine Learning · Computer Science 2025-08-19 Qinwen Ge , Roza G. Bayrak , Anwar Said , Catie Chang , Xenofon Koutsoukos , Tyler Derr