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This paper introduces a novel dynamic optimization framework for video streaming that leverages Network Digital Twin (NDT) technology to address the challenges posed by fluctuating wireless network conditions. Traditional adaptive streaming…

Networking and Internet Architecture · Computer Science 2025-08-05 Zurh Farus , Betty Searcy , Tina Nassisid , Kevin Muhammad

As 6G advances, ubiquitous connectivity and higher capacity requirements of the air interface pose substantial challenges for accurate and real-time wireless channel acquisition in diverse environments. Conventional statistical channel…

Signal Processing · Electrical Eng. & Systems 2026-04-21 Yichen Cai , Yuelong Qiu , Jianhua Zhang , Li Yu , Yuxiang Zhang , Zhen Zhang , Guangyi Liu

Rescue robotics sets high requirements to perception algorithms due to the unstructured and potentially vision-denied environments. Pivoting Frequency-Modulated Continuous Wave radars are an emerging sensing modality for SLAM in this kind…

Robotics · Computer Science 2024-08-22 Maximilian Hilger , Nils Mandischer , Burkhard Corves

We present the RAW domain diffusion model (RDDM), an end-to-end diffusion model that restores photo-realistic images directly from the sensor RAW data. While recent sRGB-domain diffusion methods achieve impressive results, they are caught…

Image and Video Processing · Electrical Eng. & Systems 2026-02-03 Yan Chen , Yi Wen , Wei Li , Junchao Liu , Yong Guo , Jie Hu , Xinghao Chen

Reconfigurable Intelligent Surfaces (RISs), comprising large numbers of low-cost and almost passive metamaterials with tunable reflection properties, have been recently proposed as an enabling technology for programmable wireless…

Information Theory · Computer Science 2022-08-23 Aris L. Moustakas , George C. Alexandropoulos , Mérouane Debbah

Accurate and safe robotic manipulation under dynamic and visually occluded conditions remains a core challenge in real-world deployment. We introduce SyncTwin, a novel digital twin framework that unifies fast 3D scene reconstruction and…

Robotics · Computer Science 2026-02-23 Ruopeng Huang , Boyu Yang , Wenlong Gui , Jeremy Morgan , Erdem Biyik , Jiachen Li

We present a novel machine-learning (ML) approach (EM-GANSim) for real-time electromagnetic (EM) propagation that is used for wireless communication simulation in 3D indoor environments. Our approach uses a modified conditional Generative…

Machine Learning · Computer Science 2025-04-29 Ruichen Wang , Dinesh Manocha

A novel channel representation for a two-hop decentralized wireless relay network (DWRN) is proposed, where the relays operate in a completely distributive fashion. The modeling paradigm applies an analogous approach to the description…

Information Theory · Computer Science 2010-04-08 Yifan Chen , Chau Yuen

This study presents an end-to-end wireless digital twin platform constructed using open-source software and open data to enhance the evaluation of mobile communication systems. The proposed open wireless digital twin (OWDT) integrates…

Networking and Internet Architecture · Computer Science 2025-10-17 Tetsuya Iye , Masaya Sakamoto , Shohei Takaya , Eisaku Sato , Yuki Susukida , Yu Nagaoka , Kazuki Maruta , Jin Nakazato

LiDAR-based perception in intelligent transportation systems (ITS) relies on deep neural networks trained with large-scale labeled datasets. However, creating such datasets is expensive, time-consuming, and labor-intensive, limiting the…

Computer Vision and Pattern Recognition · Computer Science 2025-10-15 Muhammad Shahbaz , Shaurya Agarwal

WLAN Device-free passive DfP indoor localization is an emerging technology enabling the localization of entities that do not carry any devices nor participate actively in the localization process using the already installed wireless…

Networking and Internet Architecture · Computer Science 2012-02-14 Ahmed E. Kosba , Ahmed Saeed , Moustafa Youssef

Digital twins (DT) have emerged as a transformative technology, enabling real-time monitoring, simulations, and predictive maintenance across various domains, though their Application in the networking domain remains underexplored. This…

Software Engineering · Computer Science 2025-12-01 D. Sree Yashaswinee , Gargie Tambe , Y. Raghu Reddy , Karthik Vaidhyanathan

In this paper, a digital twinning framework for indoor integrated sensing, communications, and robotics is proposed, designed, and implemented. Besides leveraging powerful robotics and ray-tracing technologies, the framework also enables…

Robotics · Computer Science 2024-02-26 Vlad C. Andrei , Xinyang Li , Maresa Fees , Andreas Feik , Ullrich J. Mönich , Holger Boche

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

This paper shows that, when considering outdoor scenarios and wireless communications using the IEEE 802.11 protocol with dipole antennas, the ground reflection is a significant propagation mechanism. This way, the Two-Ray model for this…

Networking and Internet Architecture · Computer Science 2022-11-22 Clara R. P. Baldansa , Roberto C. G. Porto , Bruno José Olivieri de Souza , Vítor G. Andrezo Carneiro , Markus Endler

In this paper, conditional denoising diffusion probabilistic models (DDPMs) are proposed to enhance the data transmission and reconstruction over wireless channels. The underlying mechanism of DDPM is to decompose the data generation…

Information Theory · Computer Science 2024-11-21 Mehdi Letafati , Samad Ali , Matti Latva-aho

Reconfigurable Intelligent Surfaces (RISs) have attracted major attention in the last few years, thanks to their useful characteristics. An RIS is a nearly passive thin surface that can dynamically change the reradiated field, and can…

Signal Processing · Electrical Eng. & Systems 2022-02-24 V. Degli-Esposti , E. M. Vitucci , M. Di Renzo , S. Tretyakov

We present a new type of wireless access infras-tructure consisting of a fabric of dispersed electronic circuitsand antennas that collectively function as a massive, distributed antenna array. We have chosen to name this new wireless…

Signal Processing · Electrical Eng. & Systems 2020-01-17 Liesbet Van der Perre , Erik G. Larsson , Fredrik Tufvesson , Lieven De Strycker , Emil Björnson , Ove Edfors

Dynamic resource allocation in mobile wireless networks involves complex, time-varying optimization problems, motivating the adoption of deep reinforcement learning (DRL). However, most existing works rely on pre-trained policies,…

Machine Learning · Computer Science 2025-02-12 Xinren Zhang , Jiadong Yu

We present a novel algorithm that enhances the accuracy of electromagnetic field simulations in indoor environments by incorporating the Uniform Geometrical Theory of Diffraction (UTD) for surface diffraction. This additional diffraction…

Signal Processing · Electrical Eng. & Systems 2023-10-17 Ruichen Wang , Samuel Audia , Dinesh Manocha