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Precisely modeling radio propagation in dynamic wireless environments is fundamental to the realization of wireless digital twins. Traditional ray tracing methods rely on accurate 3D models with detailed environment parameters, while recent…

Networking and Internet Architecture · Computer Science 2026-04-28 Yuru Zhang , Ming Zhao , Qiang Liu , Ahmed Alkhateeb , Abhishek K. Agrawal , Qi Qu

LoRaWAN deployments rely on rough range estimates or simplified propagation models to decide where to place/mount gateways. As a result, operators have limited visibility into how rooftop choice, streets, and building shadowing jointly…

Systems and Control · Electrical Eng. & Systems 2026-01-13 Abdikarim Mohamed Ibrahim , Rosdiadee Nordin

In wireless sensor networks (WSNs), simulation practices, system models, algorithms, and protocols have been published worldwide based on the assumption of randomness. The applied statistics used for randomness in WSNs are broad in nature,…

Networking and Internet Architecture · Computer Science 2023-11-14 Dinesh Kumar Sah , Praveen Kumar Donta , Tarachand Amgoth

Urban Digital Twins (UDTs) have become essential for managing cities and integrating complex, heterogeneous data from diverse sources. Creating UDTs involves challenges at multiple process stages, including acquiring accurate 3D source…

This paper introduces a task-specific, model-agnostic framework for evaluating dataset similarity, providing a means to assess and compare dataset realism and quality. Such a framework is crucial for augmenting real-world data, improving…

Signal Processing · Electrical Eng. & Systems 2024-12-10 Joao Morais , Sadjad Alikhani , Akshay Malhotra , Shahab Hamidi-Rad , Ahmed Alkhateeb

Complex IoT ecosystems often require the usage of Digital Twins (DTs) of their physical assets in order to perform predictive analytics and simulate what-if scenarios. DTs are able to replicate IoT devices and adapt over time to their…

Networking and Internet Architecture · Computer Science 2024-01-02 Luca Sciullo , Alberto De Marchi , Angelo Trotta , Federico Montori , Luciano Bononi , Marco Di Felice

Ensuring reliable and predictable communications is one of the main goals in modern industrial systems that rely on Wi-Fi networks, especially in scenarios where continuity of operation and low latency are required. In these contexts, the…

Networking and Internet Architecture · Computer Science 2025-12-02 Gabriele Formis , Amanda Ericson , Stefan Forsstrom , Kyi Thar , Gianluca Cena , Stefano Scanzio

Finetuning wireless receivers to a specific deployment scenario can yield significant error-rate performance improvements without increasing processing complexity. However, site-specific finetuning has so far only been demonstrated on…

Signal Processing · Electrical Eng. & Systems 2026-03-11 Nuri Berke Baytekin , Reinhard Wiesmayr , Sebastian Cammerer , Chris Dick , Christoph Studer

We present NeWRF, a deep learning framework for predicting wireless channels. Wireless channel prediction is a long-standing problem in the wireless community and is a key technology for improving the coverage of wireless network…

Networking and Internet Architecture · Computer Science 2024-06-18 Haofan Lu , Christopher Vattheuer , Baharan Mirzasoleiman , Omid Abari

Federated Learning (FL) allows devices to train a global machine learning model without sharing data. In the context of wireless networks, the inherently unreliable nature of the transmission channel introduces delays and errors that…

Networking and Internet Architecture · Computer Science 2024-08-05 Renan R. de Oliveira , Kleber V. Cardoso , Antonio Oliveira-Jr

Digital twins require continuous maintenance to meet the increasing demand for high-precision geospatial data. However, traditional coarse CityGML building models, typically derived from Airborne Laser Scanning (ALS), often exhibit…

Computer Vision and Pattern Recognition · Computer Science 2026-04-07 Xiaoyu Huang

Digital twin (DT) offers significant opportunities for enhancing facility management (FM) in campus environments. However, existing research often focuses narrowly on isolated domains, such as point-cloud geometry or energy analytics,…

Systems and Control · Electrical Eng. & Systems 2025-12-16 Thyda Siv

In wireless Internet of things (IoT), the sensors usually have limited bandwidth and power resources. Therefore, in a distributed setup, each sensor should compress and quantize the sensed observations before transmitting them to a fusion…

Signal Processing · Electrical Eng. & Systems 2022-03-21 Mostafa Hussien , Kim Khoa Nguyen , Mohamed Cheriet

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

Digital twins (DTs) constitute a critical link between the real-world and the metaverse. To guarantee a robust connection between these two worlds, DTs should maintain accurate representations of the physical applications, while preserving…

Machine Learning · Computer Science 2022-04-12 Omar Hashash , Christina Chaccour , Walid Saad

Digital Twin (DT) is a transformative technology poised to revolutionize a wide range of applications. This advancement has led to the emergence of digital twin as a service (DTaaS), enabling users to interact with DT models that accurately…

Networking and Internet Architecture · Computer Science 2025-05-23 Yuxiang Li , Jiayuan Chen , Changyan Yi

Real-world image super-resolution (RWSR) is a long-standing problem as low-quality (LQ) images often have complex and unidentified degradations. Existing methods such as Generative Adversarial Networks (GANs) or continuous diffusion models…

Computer Vision and Pattern Recognition · Computer Science 2023-12-12 Chaofeng Chen , Shangchen Zhou , Liang Liao , Haoning Wu , Wenxiu Sun , Qiong Yan , Weisi Lin

Selecting the optimal radio access technology (RAT) during vertical handovers (VHO) in heterogeneous wireless networks (HWNs) is critical. Multi-attribute decision-making (MADM) is the most common approach used for network selection (NS) in…

Networking and Internet Architecture · Computer Science 2025-04-03 Brahim Mefgouda , Hanen Idoudi , Mohammad Al-Quraan , Ismail Lotfi , Omar Alhussein , Lina Mohjazi , Sami Muhaidat

Achieving reliable and quantifiable performance in large-area surface-enhanced Raman spectroscopy (SERS) substrates has long been a formidable challenge. It requires substantial signal enhancement while maintaining a reproducible and…

Underwater acoustic sensor networks (UASNs) drive toward strong environmental adaptability, intelligence, and multifunctionality. However, due to unique UASN characteristics, such as long propagation delay, dynamic channel quality, and high…

Networking and Internet Architecture · Computer Science 2024-10-29 Shanshan Song , Bingwen Huangfu , Jiani Guo , Jun Liu , Junhong Cui , Xuemin , Shen