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Optical communication is developing rapidly in the directions of hardware resource diversification, transmission system flexibility, and network function virtualization. Its proliferation poses a significant challenge to traditional optical…

Networking and Internet Architecture · Computer Science 2020-11-11 Danshi Wang , Zhiguo Zhang , Min Zhang , Meixia Fu , Jin Li , Shanyong Cai , Chunyu Zhang , Xue Chen

Graph neural networks (GNNs) model representations from networked data and allow for decentralized inference through localized communications. Existing GNN architectures often assume ideal communications and ignore potential channel…

Signal Processing · Electrical Eng. & Systems 2024-05-22 Zhan Gao , Deniz Gunduz

Accurate channel modeling in real-time faces remarkable challenge due to the complexities of traditional methods such as ray tracing and field measurements. AI-based techniques have emerged to address these limitations, offering rapid,…

Digital Twins (DT) have become crucial to achieve sustainable and effective smart urban solutions. However, current DT modelling techniques cannot support the dynamicity of these smart city environments. This is caused by the lack of…

Machine Learning · Computer Science 2024-08-30 Lal Verda Cakir , Kubra Duran , Craig Thomson , Matthew Broadbent , Berk Canberk

The increasing complexity of 6G systems demands innovative tools for network management, simulation, and optimization. This work introduces the integration of ns-3 with Sionna RT, establishing the foundation for the first open source…

Networking and Internet Architecture · Computer Science 2026-02-03 Roberto Pegurri , Francesco Linsalata , Eugenio Moro , Jakob Hoydis , Umberto Spagnolini

The next generation of Wi-Fi is meant to achieve ultra-high reliability for wireless communication. Several approaches are available to this extent, some of which are being considered for inclusion in standards specifications, including…

Networking and Internet Architecture · Computer Science 2024-11-19 Stefano Scanzio , Matteo Rosani , Gabriele Formis , Dave Cavalcanti , Valerio Frascolla , Guido Marchetto , Gianluca Cena

This study, we propose a novel Q-space Guided Collaborative Attention Translation Networks (Q-CATN) for multi-shell, high-angular resolution DWI (MS-HARDI) synthesis from flexible q-space sampling, leveraging the commonly acquired…

Image and Video Processing · Electrical Eng. & Systems 2025-05-15 Pengli Zhu , Yingji Fu , Nanguang Chen , Anqi Qiu

Digital twins (DTs), which are virtual environments that simulate, predict, and optimize the performance of their physical counterparts, hold great promise in revolutionizing next-generation wireless networks. While DTs have been…

Telecom networks scale with growing users and data-intensive applications, generating heavy traffic that causes congestion, reducing throughput, increasing delay, and raising computational costs. Traditional routing protocols act only after…

Networking and Internet Architecture · Computer Science 2026-05-26 Umer Iqbal , Ashiq Anjum , Anthony S Conway , Mathias Kern , Anasol Pena Rios

With Digital Twin (DT) construction and evolution occurring over time, stakeholders require tools to understand the current characteristics and conceptual architecture of the system at any time. We introduce DTInsight, a systematic and…

Software Engineering · Computer Science 2025-08-27 Kérian Fiter , Louis Malassigné-Onfroy , Bentley Oakes

Motivated by climate change, increasing industrialization and energy reliability concerns, the smart grid is set to revolutionize traditional power systems. Moreover, the exponential annual rise in number of grid-connected users and…

Networking and Internet Architecture · Computer Science 2023-08-03 Abdullah Othman , Georges Kaddoum , Joao V. C. Evangelista , Minh Au , Basile L. Agba

As 5G and future 6G mobile networks become increasingly more sophisticated, the requirements for agility, scalability, resilience, and precision in real-time service provisioning cannot be met using traditional and heuristic-based resource…

Networking and Internet Architecture · Computer Science 2026-01-08 John Sengendo , Fabrizio Granelli

Wide area networking infrastructures (WANs), particularly science and research WANs, are the backbone for moving large volumes of scientific data between experimental facilities and data centers. With demands growing at exponential rates,…

Machine Learning · Computer Science 2020-08-31 Tanwi Mallick , Mariam Kiran , Bashir Mohammed , Prasanna Balaprakash

Energy efficiency and memory footprint of a convolutional neural network (CNN) implemented on a CNN inference accelerator depend on many factors, including a weight quantization strategy (i.e., data types and bit-widths) and mapping (i.e.,…

Hardware Architecture · Computer Science 2025-07-23 Jan Klhufek , Miroslav Safar , Vojtech Mrazek , Zdenek Vasicek , Lukas Sekanina

Determining whether nodes can be localized, called localizability detection, is essential for wireless sensor networks (WSNs). This step is required for localizing nodes, achieving low-cost deployments, and identifying prerequisites in…

Signal Processing · Electrical Eng. & Systems 2018-12-31 Hejun Wu , Ao Ding , Lvzhou Li

Predicting the throughput of WLAN deployments is a classic problem that occurs in the design of robust and high performance WLAN systems. However, due to the increasingly complex communication protocols and the increase in interference…

Networking and Internet Architecture · Computer Science 2023-04-21 Hongkuan Zhou , Rajgopal Kannan , Ananthram Swami , Viktor Prasanna

In this paper, the problem of dynamic spectrum sensing and aggregation is investigated in a wireless network containing N correlated channels, where these channels are occupied or vacant following an unknown joint 2-state Markov model. At…

Signal Processing · Electrical Eng. & Systems 2020-07-29 Yunzeng Li , Wensheng Zhang , Cheng-Xiang Wang , Jian Sun , Yu Liu

This paper introduces the use of static electromagnetic skins (EMSs) to enable robust device localization via channel charting (CC) in realistic urban environments. We develop a rigorous optimization framework that leverages EMS to enhance…

Signal Processing · Electrical Eng. & Systems 2025-08-12 Mahdi Maleki , Reza Agahzadeh Ayoubi , Marouan Mizmizi , Umberto Spagnolini

The open radio access network (O-RAN), with its disaggregated and open architecture, is poised to meet the demands of the next generation of wireless communication. However, to unlock the full potentials of O-RAN, real-time network modeling…

Information Theory · Computer Science 2023-08-08 Javad Mirzaei , Ibrahim Abualhaol , Gwenael Poitau

We consider a distributed detection problem within a wireless sensor network (WSN), where a substantial number of sensors cooperate to detect the existence of sparse stochastic signals. To achieve a trade-off between detection performance…

Signal Processing · Electrical Eng. & Systems 2024-11-07 Linlin Mao , Shefeng Yan , Zeping Sui , Hongbin Li