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Deep learning-based implicit channel state information (CSI) feedback has been introduced to enhance spectral efficiency in massive MIMO systems. Existing methods often show performance degradation in ultra-low-rate scenarios and…

Signal Processing · Electrical Eng. & Systems 2025-07-17 Zhenyu Liu , Yi Ma , Rahim Tafazolli , Zhi Ding

Digital twins promise to revolutionize engineering by offering new avenues for optimization, control, and predictive maintenance. We propose a novel framework for simultaneously training the digital twin of an engineering system and an…

Systems and Control · Electrical Eng. & Systems 2024-07-12 Lorenzo Schena , Pedro Marques , Romain Poletti , Samuel Ahizi , Jan Van den Berghe , Miguel A. Mendez

In frequency division duplex mode of massive multiple-input multiple-output systems, the downlink channel state information (CSI) must be sent to the base station (BS) through a feedback link. However, transmitting CSI to the BS is costly…

Information Theory · Computer Science 2020-05-04 Zheng Cao , Wan-Ting Shih , Jiajia Guo , Chao-Kai Wen , Shi Jin

Although the emergence of 6G IoT networks has accelerated the deployment of enhanced smart city services, the resource limitations of IoT devices remain as a significant problem. Given this limitation, meeting the low-latency service…

Networking and Internet Architecture · Computer Science 2025-08-27 Kubra Duran , Lal Verda Cakir , Sana Ullah Jan , Kerem Gursu , Berk Canberk

This paper aims to provide a comprehensive critical overview on how entities and their interactions in Complex Networked Systems (CNS) are modelled across disciplines as they approach their ultimate goal of creating a Digital Twin (DT) that…

Systems and Control · Electrical Eng. & Systems 2022-02-22 Jiaqi Wen , Bogdan Gabrys , Katarzyna Musial

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

As collaborative robot (Cobot) adoption in many sectors grows, so does the interest in integrating digital twins in human-robot collaboration (HRC). Virtual representations of physical systems (PT) and assets, known as digital twins, can…

Robotics · Computer Science 2023-11-07 Mohamad Shaaban , Alessandro Carfì , Fulvio Mastrogiovanni

Control Co-Design (CCD) integrates physical and control system design to improve the performance of dynamic and autonomous systems. Despite advances in uncertainty-aware CCD methods, real-world uncertainties remain highly unpredictable.…

Machine Learning · Computer Science 2025-10-14 Ying-Kuan Tsai , Vispi Karkaria , Yi-Ping Chen , Wei Chen

Synchronization is fundamental for mirroring real-world entities in real-time and supporting effective operations of Digital Twins (DTs). Such synchronization is enabled by the communication between the physical and virtual realms, and it…

Networking and Internet Architecture · Computer Science 2024-04-23 Lal Verda Cakir , Sarah Al-Shareeda , Sema F. Oktug , Mehmet Özdem , Matthew Broadbent , Berk Canberk

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

Metaverse and Digital Twin (DT) have attracted much academic and industrial attraction to approach the future digital world. This paper introduces the advantages of deep reinforcement learning (DRL) in assisting Metaverse system-based…

Information Theory · Computer Science 2025-06-04 Tam Ninh Thi-Thanh , Trinh Van Chien , Hung Tran , Nguyen Hoai Son , Van Nhan Vo

Digital twins (DTs) are promising for wireless deployment, optimization, and data generation, but building a propagation-faithful twin from sparse real measurements remains difficult. This paper proposes a wireless environment digital twin…

Signal Processing · Electrical Eng. & Systems 2026-05-22 Junjie Ai , Shurui Xu , Yanqing Ren , Zhuoyu Liu , Weicong Chen , Wankai Tang , Xiao Li , Chao-Kai Wen , Shi Jin

Digital Twin has emerged as a promising paradigm for accurately representing wireless communication electromagnetic environments. The resulting virtual representation of reality facilitates comprehensive insights into the propagation…

Signal Processing · Electrical Eng. & Systems 2024-10-03 Michele Zhu , Lorenzo Cazzella , Francesco Linsalata , Maurizio Magarini , Matteo Matteucci , Umberto Spagnolini

In this paper, we consider an reconfigurable intelligent surface (RIS)-aided frequency division duplex (FDD) massive multiple-input multiple-output (MIMO) downlink system.In the FDD systems, the downlink channel state information (CSI)…

Signal Processing · Electrical Eng. & Systems 2024-03-20 Zhangjie Peng , Zhaotian Li , Ruijing Liu , Cunhua Pan , Feiniu Yuan , Jiangzhou Wang

Digital twins (DT) of industrial processes have become increasingly important. They aim to digitally represent the physical world to help evaluate, optimize, and predict physical processes and behaviors. Therefore, DT is a vital tool to…

Software Engineering · Computer Science 2023-02-28 Yunpeng Ma , Khalil Younis , Bestoun S. Ahmed , Andreas Kassler , Pavel Krakhmalev , Andreas Thore , Hans Lindback

Deep learning-based massive MIMO CSI feedback has received a lot of attention in recent years. Now, there exists a plethora of CSI feedback models mostly based on auto-encoders (AE) architecture with an encoder network at the user equipment…

Information Theory · Computer Science 2022-12-02 Sharan Mourya , SaiDhiraj Amuru , Kiran Kumar Kuchi

In recent years, the complexity of 5G and beyond wireless networks has escalated, prompting a need for innovative frameworks to facilitate flexible management and efficient deployment. The concept of digital twins (DTs) has emerged as a…

Networking and Internet Architecture · Computer Science 2024-04-24 Zifan Zhang , Mingzhe Chen , Zhaohui Yang , Yuchen Liu

A new wave of wireless services, including virtual reality, autonomous driving and internet of things, is driving the design of new generations of wireless systems to deliver ultra-high data rates, massive number of connected devices and…

Information Theory · Computer Science 2019-12-24 Zhenyu Liu , Lin Zhang , Zhi Ding

Hybrid beamformer design plays very crucial role in the next generation millimeter-wave (mm-Wave) massive MIMO (multiple-input multiple-output) systems. Previous works assume the perfect channel state information (CSI) which results heavy…

Signal Processing · Electrical Eng. & Systems 2020-08-18 Ahmet M. Elbir

Digital twins (DTs) are an emerging capability in additive manufacturing (AM), set to revolutionize design optimization, inspection, in situ monitoring, and root cause analysis. AM DTs typically incorporate multimodal data streams, ranging…

Human-Computer Interaction · Computer Science 2024-05-22 Vuthea Chheang , Saurabh Narain , Garrett Hooten , Robert Cerda , Brian Au , Brian Weston , Brian Giera , Peer-Timo Bremer , Haichao Miao
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