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Digital Twin (DT) technology is expected to play a pivotal role in NextG wireless systems. However, a key challenge remains in the evaluation of data-driven algorithms within DTs, particularly the transfer of learning from simulations to…

Signal Processing · Electrical Eng. & Systems 2024-08-29 Maxwell McManus , Yuqing Cui , Zhaoxi Zhang , Elizabeth Serena Bentley , Michael Medley , Nicholas Mastronarde , Zhangyu Guan

A digital twin (DT) leverages a virtual representation of the physical world, along with communication (e.g., 6G), computing (e.g., edge computing), and artificial intelligence (AI) technologies to enable many connected intelligence…

Machine Learning · Computer Science 2023-04-26 Christo Kurisummoottil Thomas , Walid Saad , Yong Xiao

Traditional channel acquisition faces significant limitations due to ideal model assumptions and scalability challenges. A novel environment-aware paradigm, known as channel twinning, tackles these issues by constructing radio propagation…

Signal Processing · Electrical Eng. & Systems 2025-05-06 Yashuai Cao , Jintao Wang , Xu Shi , Wei Ni

Strong generative models can accurately learn channel distributions. This could save recurring costs for physical measurements of the channel. Moreover, the resulting differentiable channel model supports training neural encoders by…

Information Theory · Computer Science 2024-06-12 Muah Kim , Rick Fritschek , Rafael F. Schaefer

This paper proposes a novel paradigm centered on Artificial Intelligence (AI)-empowered propagation channel prediction to address the limitations of traditional channel modeling. We present a comprehensive framework that deeply integrates…

Signal Processing · Electrical Eng. & Systems 2026-01-15 Ruisi He , Mi Yang , Zhengyu Zhang , Bo Ai , Zhangdui Zhong

This letter proposes a novel distributed compressed estimation scheme for sparse signals and systems based on compressive sensing techniques. The proposed scheme consists of compression and decompression modules inspired by compressive…

Information Theory · Computer Science 2015-02-05 S. Xu , R. C. de Lamare , H. V. Poor

Future wireless services must be focused on improving the quality of life by enabling various applications, such as extended reality, brain-computer interaction, and healthcare. These applications have diverse performance requirements…

Networking and Internet Architecture · Computer Science 2022-02-08 Latif U. Khan , Zhu Han , Walid Saad , Ekram Hossain , Mohsen Guizani , Choong Seon Hong

Radio frequency (RF) wireless power transfer (WPT) is a promising technology for 6G use cases. It enables a massive, yet sustainable deployment of batteryless energy neutral (EN) devices at unprecedented scale. Recent research on 6G is…

Signal Processing · Electrical Eng. & Systems 2024-10-28 Benjamin J. B. Deutschmann , Thomas Wilding , Erik G. Larsson , Klaus Witrisal

Wireless power transfer (WPT) prolongs the lifetime of wireless sensor network by providing sustainable power supply to the distributed sensor nodes (SNs) via electromagnetic waves. To improve the energy transfer efficiency in a large WPT…

Information Theory · Computer Science 2016-11-15 Zhe Wang , Lingjie Duan , Rui Zhang

This paper presents the development and evaluation of WiThRay, a new wireless three-dimensional ray-tracing (RT) simulator. RT-based simulators are widely used for generating realistic channel data by combining RT methodology to get signal…

Information Theory · Computer Science 2023-04-25 Hyuckjin Choi , Jaehoon Chung , Jaeky Oh , George C. Alexandropoulos , Junil Choi

Network planning seeks to determine base station parameters that maximize coverage and capacity in cellular networks. However, achieving optimal planning remains challenging due to the diversity of deployment scenarios and the significant…

Networking and Internet Architecture · Computer Science 2026-02-24 Xiaomeng Li , Yuru Zhang , Qiang Liu , Mehmet Can Vuran , Nathan Huynh , Li Zhao , Mizan Rahman , Eren Erman Ozguven

Wireless channel propagation parameter estimation forms the foundation of channel sounding, estimation, modeling, and sensing. This paper introduces a Deep Learning approach for joint delay- and Doppler estimation from frequency and time…

Signal Processing · Electrical Eng. & Systems 2025-10-22 Steffen Schieler , Sebastian Semper , Reiner Thomä

Far-field Wireless Power Transfer (WPT) has emerged as a potential power source for the Internet of Things (IoT) and Wireless Sensor Network (WSN).The expansion of the power transfer range is one of the key challenges to make the technology…

Information Theory · Computer Science 2021-03-12 Junghoon Kim , Bruno Clerckx

A digital twin framework for rapid predictions of atmospheric contaminant dispersion is developed to support informed decision making in emergency situations. In an offline preparation phase, the geometry of a built environment is…

Computational Engineering, Finance, and Science · Computer Science 2026-02-03 Max von Danwitz , Jacopo Bonari , Philip Franz , Lisa Kühn , Marco Mattuschka , Alexander Popp

In this paper, we propose a novel federated framework for constructing the digital twin (DT) model, referring to a living and self-evolving visualization model empowered by artificial intelligence, enabled by distributed sensing under…

Emerging Technologies · Computer Science 2025-12-03 Ruoyang Chen , Changyan Yi , Fuhui Zhou , Jiawen Kang , Yuan Wu , Dusit Niyato

Maritime channel modeling is crucial for designing robust nearshore communication systems, yet reliable models that account for the dynamic marine environment with varying sea waves, wind conditions, and vessel motions remain scarce. This…

Signal Processing · Electrical Eng. & Systems 2025-12-18 Shu Sun , Yulu Guo , Meixia Tao , Wei Feng , Jun Chen , Ruifeng Gao , Ye Li , Jue Wang , Theodore S. Rappaport

The vast bandwidth available at sub-THz frequencies holds great promise for high-speed wireless access, precise localization, and advanced sensing applications. However, fundamental physical constraints and technological limitations make…

Digital twins are becoming an important tool for designing, developing, testing, and optimizing next-generation wireless communication systems. Over the past decade, system softwarization has become a reality, and wireless communication…

Signal Processing · Electrical Eng. & Systems 2026-04-07 Anil Gurses , Mihail L. Sichitiu

With 5G deployment and the evolution toward 6G, mobile networks must make decisions in highly dynamic environments under strict latency, energy, and spectrum constraints. Achieving this goal, however, depends on prior knowledge of…

Information Theory · Computer Science 2026-01-19 Lei Li , Yanqing Xu , Ye Xue , Feng Yin , Chao Shen , Rui Zhang , Tsung-Hui Chang

Digital Twin (DT) is a promising technology for the new immersive digital life with a variety of applications in areas such as Industry 4.0, aviation, and healthcare. Proliferation of this technology requires higher data rates, reliability,…

Networking and Internet Architecture · Computer Science 2021-08-13 Hamed Ahmadi , Avishek Nag , Zaheer Khan , Kamran Sayrafian , Susanto Rahadrja