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Related papers: A Multi-Modal Simulation Framework to Enable Digit…

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We live in a world of exploding complexity driven by technical evolution as well as highly volatile socio-economic environments. Managing complexity is a key issue in everyday decision making such as providing safe, sustainable, and…

Computers and Society · Computer Science 2023-11-28 Dirk Hartmann

A Digital Twin (DT) is a virtual replica of a physical object or system, created to monitor, analyze, and optimize its behavior and characteristics. A Spatial Digital Twin (SDT) is a specific type of digital twin that emphasizes the…

Computers and Society · Computer Science 2023-06-13 Mohammed Eunus Ali , Muhammad Aamir Cheema , Tanzima Hashem , Anwaar Ulhaq , Muhammad Ali Babar

In this paper, a novel multi-modal intelligent channel model for sixth-generation (6G) multiple-unmanned aerial vehicle (multi-UAV)-to-multi-vehicle communications is proposed. To thoroughly explore the mapping relationship between the…

Signal Processing · Electrical Eng. & Systems 2025-01-16 Lu Bai , Mengyuan Lu , Ziwei Huang , Xiang Cheng

Autonomous driving systems continue to face safety-critical failures, often triggered by rare and unpredictable corner cases that evade conventional testing. We present the Autonomous Driving Digital Twin (ADDT) framework, a high-fidelity…

Robotics · Computer Science 2025-04-15 Bo Yu , Chaoran Yuan , Zishen Wan , Jie Tang , Fadi Kurdahi , Shaoshan Liu

Precise and timely simulation of a structure's dynamic behavior is crucial for evaluating its performance and assessing its health status. Traditional numerical methods are often limited by high computational costs and low efficiency, while…

Computational Engineering, Finance, and Science · Computer Science 2025-06-24 Jun Zhang , Tong Zhang , Ying Wang

Digital twin networks (DTNs) are real-time replicas of physical networks. They are emerging as a powerful technology for design, diagnosis, simulation, what-if-analysis, and artificial intelligence (AI)/machine learning (ML) driven…

Networking and Internet Architecture · Computer Science 2022-12-06 Xingqin Lin , Lopamudra Kundu , Chris Dick , Emeka Obiodu , Todd Mostak

Digital twins, virtual simulated replicas of physical scenes, are transforming system design across industries. However, their potential in radio frequency (RF) systems has been limited by the non-differentiable nature of conventional RF…

Signal Processing · Electrical Eng. & Systems 2026-03-20 Xingyu Chen , Xinyu Zhang , Kai Zheng , Xinmin Fang , Tzu-Mao Li , Chris Xiaoxuan Lu , Zhengxiong Li

Sensor data and Vehicle-to-Everything (V2X) communication can greatly assist Connected and Autonomous Vehicles (CAVs) in situational awareness and provide a safer driving experience. While sensor data recorded from devices such as radar and…

Networking and Internet Architecture · Computer Science 2022-07-27 Ghayoor Shah , Shahriar Shahram , Yaser Fallah , Danyang Tian , Ehsan Moradi-Pari

The damage and the impact of natural disasters are becoming more destructive with the increase of urbanization. Today's metropolitan cities are not sufficiently prepared for the pre and post-disaster situations. Digital Twin technology can…

Artificial Intelligence · Computer Science 2021-04-01 Özgür Dogan , Oguzhan Sahin , Enis Karaarslan

In non-terrestrial networks (NTN), high-speed satellite orbital motion, limited pilot signaling resources, and spatiotemporally heterogeneous traffic make accurate channel and traffic state characterization particularly challenging. In this…

Signal Processing · Electrical Eng. & Systems 2026-05-25 Xinyu Huang , Yixiao Zhang , Xue Qin , Mingcheng He , Junling Li , Weihua Zhuang , Xuemin Shen

Ever faster computers are enabling us to extend our standard land use transportation interaction (LUTI) models to systems of cities within which individual cities compete for resources within the wider environment in which they interact.As…

Physics and Society · Physics 2023-12-07 Michael Batty , Richard Milton

Recent advances in sensing technologies, wireless communications, and computing paradigms drive the evolution of vehicles in becoming an intelligent and electronic consumer products. This paper investigates enabling digital twins in…

Networking and Internet Architecture · Computer Science 2023-01-30 Kai Liu , Xincao Xu , Penglin Dai , Biwen Chen

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

Simulators are useful tools for testing automated driving controllers. Vehicle-in-the-loop (ViL) tests and digital twins (DTs) are widely used simulation technologies to facilitate the smooth deployment of controllers to physical vehicles.…

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

In this paper, a practical model for non-stationary Vehicle-to-Vehicle (V2V) multiple-input multiple-output (MIMO) channels is proposed. The new model considers more accurate output phase of Doppler frequency and is simplified by the Taylor…

Signal Processing · Electrical Eng. & Systems 2020-02-04 Weidong Li , Qiuming Zhu , Cheng-Xiang Wang , Fei Bai , Xiaomin Chen , Dazhuan Xu

Simulation is a prospective method for generating diverse and realistic traffic scenarios to aid in the development of driving decision-making systems. However, existing simulators often fall short in diverse scenarios or interactive…

Machine Learning · Computer Science 2024-05-21 Yueyuan Li , Songan Zhang , Mingyang Jiang , Xingyuan Chen , Yeqiang Qian , Chunxiang Wang , Ming Yang

Ray tracing (RT) simulation is a widely used approach to enable modeling wireless channels in applications such as network digital twins. However, the computational cost to execute ray tracing (RT) is proportional to factors such as the…

Networking and Internet Architecture · Computer Science 2025-07-24 Cláudio Modesto , Lucas Mozart , Pedro Batista , André Cavalcante , Aldebaro Klautau

The vehicular metaverse is envisioned as a blended immersive domain that promises to bring revolutionary changes to the automotive industry. As a core component of vehicular metaverses, Vehicle Twins (VTs) are digital twins that cover the…

Artificial Intelligence · Computer Science 2025-05-06 Yingkai Kang , Jinbo Wen , Jiawen Kang , Tao Zhang , Hongyang Du , Dusit Niyato , Rong Yu , Shengli Xie

The emerging data-driven methods based on artificial intelligence (AI) have paved the way for intelligent, flexible, and adaptive network management in vehicular applications. To enhance network management towards network automation, this…

Networking and Internet Architecture · Computer Science 2024-03-26 Kaige Qu , Weihua Zhuang