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Related papers: AI-based CSI Feedback with Digital Twins: Real-Wor…

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Digital Twins (DTs) for physical wireless environments have been recently proposed as accurate virtual representations of the propagation environment that can enable multi-layer decisions at the physical communication equipment. At…

Signal Processing · Electrical Eng. & Systems 2024-07-18 Lorenzo Cazzella , Francesco Linsalata , Maurizio Magarini , Matteo Matteucci , Umberto Spagnolini

This article presents a digital twin (DT)-enhanced reinforcement learning (RL) framework aimed at optimizing performance and reliability in network resource management, since the traditional RL methods face several unified challenges when…

Systems and Control · Electrical Eng. & Systems 2024-06-18 Nan Cheng , Xiucheng Wang , Zan Li , Zhisheng Yin , Tom Luan , Xuemin Shen

Deep learning (DL)-based channel state information (CSI) feedback has shown promising potential to improve spectrum efficiency in massive MIMO systems. However, practical DL approaches require a sizeable CSI dataset for each scenario, and…

Information Theory · Computer Science 2023-11-07 Zhenyu Liu , Li Wang , Lianming Xu , Zhi Ding

Smart Digital twins (SDTs) are being increasingly used to virtually replicate and predict the behaviors of complex physical systems through continual data assimilation enabling the optimization of the performance of these systems by…

Computer Vision and Pattern Recognition · Computer Science 2024-01-08 Md Ruman Islam , Mahadevan Subramaniam , Pei-Chi Huang

The development of Digital Twins (DTs) represents a transformative advance for simulating and optimizing complex systems in a controlled digital space. Despite their potential, the challenge of constructing DTs that accurately replicate and…

Systems and Control · Electrical Eng. & Systems 2024-06-21 Longfei Ma , Nan Cheng , Xiucheng Wang , Jiong Chen , Yinjun Gao , Dongxiao Zhang , Jun-Jie Zhang

Digital twins (DTs) enable powerful predictive analytics, but persistent discrepancies between simulations and real systems--known as the reality gap--undermine their reliability. Coined in robotics, the term now applies to DTs, where…

Machine Learning · Computer Science 2026-01-29 Sizhe Ma , Katherine A. Flanigan , Mario Bergés

Digital Twin (DT) has gained great interest as an innovative technology in Industry 4.0 that enables advanced modeling, simulation, and optimization of service and manufacturing systems. This article provides an extensive review of the…

General Mathematics · Mathematics 2026-01-26 Sarow Saeedi

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

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

Digital twins are models of real-world systems that can simulate their dynamics in response to potential actions. In complex settings, the state and action variables, and available data and knowledge relevant to a system can constantly…

Computation and Language · Computer Science 2025-07-23 Harry Amad , Nicolás Astorga , Mihaela van der Schaar

Accurate channel state information (CSI) is critical for realizing the full potential of multiple-antenna wireless communication systems. While deep learning (DL)-based CSI feedback methods have shown promise in reducing feedback overhead,…

Information Theory · Computer Science 2025-04-16 Jiayi Liu , Jiajia Guo , Yiming Cui , Chao-Kai Wen , Shi Jin

Accurate downlink channel state information (CSI) is vital to achieving high spectrum efficiency in massive MIMO systems. Existing works on the deep learning (DL) model for CSI feedback have shown efficient compression and recovery in…

Information Theory · Computer Science 2022-05-10 Zhenyu Liu , Zhi Ding

The wireless spectrum's increasing complexity poses challenges and opportunities, highlighting the necessity for real-time solutions and robust data processing capabilities. Digital Twin (DT), virtual replicas of physical systems, integrate…

Networking and Internet Architecture · Computer Science 2024-11-11 Clifton Paul Robinson , Andrea Lacava , Pedram Johari , Francesca Cuomo , Tommaso Melodia

Deep Reinforcement Learning (DRL) is widely used to optimize the performance of multi-UAV networks. However, the training of DRL relies on the frequent interactions between the UAVs and the environment, which consumes lots of energy due to…

Machine Learning · Computer Science 2023-10-26 Xiucheng Wang , Nan Cheng , Longfei Ma , Zhisheng Yin , Tom. Luan , Ning Lu

Digital Twins (DTs) are set to become a key enabling technology in future wireless networks, with their use in network management increasing significantly. We developed a DT framework that leverages the heterogeneity of network access…

Networking and Internet Architecture · Computer Science 2024-08-07 Roberto Morabito , Bivek Pandey , Paulius Daubaris , Yasith R Wanigarathna , Sasu Tarkoma

Deep learning models have created great opportunities for data-driven fault diagnosis but they require large amount of labeled failure data for training. In this paper, we propose to use a digital twin to support developing data-driven…

Machine Learning · Computer Science 2024-11-05 Killian Mc Court , Xavier Mc Court , Shijia Du , Zhiguo Zeng

Digital Twins (DTs) are virtual representations of physical objects or processes that can collect information from the real environment to represent, validate, and replicate the physical twin's present and future behavior. The DTs are…

Networking and Internet Architecture · Computer Science 2023-05-26 S M Mostaq Hossain , Sohag Kumar Saha , Shampa Banik , Trapa Banik

Massive multiple-input multiple-output can obtain more performance gain by exploiting the downlink channel state information (CSI) at the base station (BS). Therefore, studying CSI feedback with limited communication resources in…

Signal Processing · Electrical Eng. & Systems 2024-10-28 Muhan Chen , Jiajia Guo , Chao-Kai Wen , Shi Jin , Geoffrey Ye Li , Ang Yang

With the fast evolving of cloud computing and artificial intelligence (AI), the concept of digital twin (DT) has recently been proposed and finds broad applications in industrial Internet, IoT, smart city, etc. The DT builds a mirror…

Networking and Internet Architecture · Computer Science 2021-05-18 Tom H. Luan , Ruhan Liu , Longxiang Gao , Rui Li , Haibo Zhou

Digital twin (DT) technologies have emerged as a solution for real-time data-driven modeling of cyber physical systems (CPS) using the vast amount of data available by Internet of Things (IoT) networks. In this position paper, we elucidate…

Networking and Internet Architecture · Computer Science 2022-04-12 Jithin Jagannath , Keyvan Ramezanpour , Anu Jagannath