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Domain-specific datasets are the foundation for unleashing artificial intelligence (AI)-driven wireless innovation. Yet existing wireless AI corpora are slow to produce, offer limited modeling fidelity, and cover only narrow scenario types.…

General Purpose computing on Graphical Processing Units (GPGPU) has resulted in unprecedented levels of speedup over its CPU counterparts, allowing programmers to harness the computational power of GPU shader cores to accelerate other…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-03-20 Vani Nagarajan , Milind Kulkarni

Many studies utilize dual-pixel (DP) sensor phase characteristics for various applications, such as depth estimation and deblurring. However, since the DP image features are entirely determined by the camera hardware, DP-depth paired…

Computer Vision and Pattern Recognition · Computer Science 2026-01-23 Fengchen He , Dayang Zhao , Hao Xu , Tingwei Quan , Shaoqun Zeng

In wireless networking R&D we typically depend on simulation and experimentation to evaluate and validate new networking solutions. While simulations allow full control over the scenario conditions, real-world experiments are influenced by…

Networking and Internet Architecture · Computer Science 2020-03-12 Renato Cruz , Helder Fontes , José Ruela , Manuel Ricardo , Rui Campos

Reinforcement Learning (RL) has gained significant momentum in the development of network protocols. However, RL-based protocols are still in their infancy, and substantial research is required to build deployable solutions. Developing a…

Networking and Internet Architecture · Computer Science 2023-10-05 Luca Giacomoni , Basil Benny , George Parisis

Wireless channel modeling plays a pivotal role in designing, analyzing, and optimizing wireless communication systems. Nevertheless, developing an effective channel modeling approach has been a long-standing challenge. This issue has been…

Networking and Internet Architecture · Computer Science 2025-03-25 Chaozheng Wen , Jingwen Tong , Yingdong Hu , Zehong Lin , Jun Zhang

The desired outcome for urban digital twins is an automatically generated detailed 3D model of a building from aerial imagery, footprints, LiDAR, or a fusion of these. Such 3D models have applications in architecture, civil engineering,…

To properly validate wireless networking solutions we depend on experimentation. Simulation very often produces less accurate results due to the use of models that are simplifications of the real phenomena they try to model. Networking…

Networking and Internet Architecture · Computer Science 2019-04-01 Vitor Lamela , Helder Fontes , Tiago Oliveira , Jose Ruela , Manuel Ricardo , Rui Campos

A wide variety of sensor technologies are recently being adopted for traffic monitoring applications. Since most of these technologies rely on wired infrastructure, the installation and maintenance costs limit the deployment of the traffic…

Networking and Internet Architecture · Computer Science 2023-03-17 Halit Bugra Tulay , Can Emre Koksal

As an emerging approach, deep learning plays an increasingly influential role in channel modeling. Traditional ray tracing (RT) methods of channel modeling tend to be inefficient and expensive. In this paper, we present a super-resolution…

Signal Processing · Electrical Eng. & Systems 2023-01-24 Haoyang Zhang , Danping He , Xiping Wang , Wenbin Wang , Yunhao Cheng , Ke Guan

Ray tracing is widely employed to model the propagation of radio-frequency (RF) signal in complex environment. The modelling performance greatly depends on how accurately the target scene can be depicted, including the scene geometry and…

Computer Vision and Pattern Recognition · Computer Science 2025-01-07 Haifeng Jia , Xinyi Chen , Yichen Wei , Yifei Sun , Yibo Pi

Real-time applications (RTA) tend to play a crucial role in people's everyday life. Such applications are among the key use cases for the next generations of wireless technologies. RTA applications are characterized by strict guaranteed…

Networking and Internet Architecture · Computer Science 2024-02-27 Andrey Belogaev , Xiaoman Shen , Chun Pan , Xingfeng Jiang , Chris Blondia , Jeroen Famaey

While ray tracing has become increasingly common and path tracing is well understood by now, a major challenge lies in crafting an easy-to-use and efficient system implementing these technologies. Following a purely physically-based…

Research on differentiable scene representations is consistently moving towards more efficient, real-time models. Recently, this has led to the popularization of splatting methods, which eschew the traditional ray-based rendering of…

Computer Vision and Pattern Recognition · Computer Science 2025-02-04 Shrisudhan Govindarajan , Daniel Rebain , Kwang Moo Yi , Andrea Tagliasacchi

Different from traditional offline channel modeling, digital twin online channel modeling can sense and accurately characterize dynamic wireless channels in real time, and can therefore greatly assist 6G network optimization. This article…

Systems and Control · Electrical Eng. & Systems 2025-01-16 Junling Li , Cheng-Xiang Wang , Chen Huang , Tianrun Qi , Tong Wu

Ray tracing is a widely used deterministic method for radio propagation simulations, capable of producing physically accurate multipath components. The accuracy depends on the quality of the environment model and its electromagnetic…

Signal Processing · Electrical Eng. & Systems 2025-07-08 Niklas Vaara , Pekka Sangi , Miguel Bordallo López , Janne Heikkilä

Evaluating cellular systems, from 5G New Radio (NR) and 5G-Advanced to 6G, is challenging because the performance emerges from the tight coupling of propagation, beam management, scheduling, and higher-layer interactions. System-level…

Networking and Internet Architecture · Computer Science 2025-08-07 Tanguy Ropitault , Matteo Bordin , Paolo Testolina , Michele Polese , Pedram Johari , Nada Golmie , Tommaso Melodia

Digital twins (DTs), virtual simulated replicas of physical scenes, are transforming various industries. However, their potential in radio frequency (RF) sensing applications has been limited by the unidirectional nature of conventional RF…

Signal Processing · Electrical Eng. & Systems 2025-08-21 Xingyu Chen , Jianrong Ding , Kai Zheng , Xinmin Fang , Xinyu Zhang , Chris Xiaoxuan Lu , Zhengxiong Li

Terahertz (THz) wireless communication has emerged as a promising solution for future data center interconnects; however, accurate channel characterization and system-level performance evaluation in complex indoor environments remain…

Information Theory · Computer Science 2026-03-26 Mingjie Zhu , Yejian Lyu , Ziming Yu , Chong Han

Digital network twin (DNT) is a promising paradigm to replicate real-world cellular networks toward continual assessment, proactive management, and what-if analysis. Existing discussions have been focusing on using only deep learning…

Networking and Internet Architecture · Computer Science 2023-11-22 Yuru Zhang , Ming Zhao , Qiang Liu
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