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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

Accurate and effective channel state information (CSI) feedback is a key technology for massive multiple-input and multiple-output (MIMO) systems. Recently, deep learning (DL) has been introduced to enhance CSI feedback in massive MIMO…

Signal Processing · Electrical Eng. & Systems 2023-02-01 Han Xiao , Wenqiang Tian , Wendong Liu , Zhi Zhang , Zhihua Shi , Li Guo , Jia Shen

Wireless digital twins require repeated synchronization between a time-evolving physical scene and its digital counterpart under limited and time-varying communication resources. For perception-centric twins, pixel-domain transmission or…

Image and Video Processing · Electrical Eng. & Systems 2026-05-27 Sige Liu , Kezhi Wang

Massive MIMO basestations, operating with frequency-division duplexing (FDD), require the users to feedback their channel state information (CSI) in order to design the precoding matrices. Given the powerful capabilities of deep neural…

Information Theory · Computer Science 2024-01-17 Yu Zhang , Ahmed Alkhateeb

This paper introduces a novel dynamic optimization framework for video streaming that leverages Network Digital Twin (NDT) technology to address the challenges posed by fluctuating wireless network conditions. Traditional adaptive streaming…

Networking and Internet Architecture · Computer Science 2025-08-05 Zurh Farus , Betty Searcy , Tina Nassisid , Kevin Muhammad

In four-dimensional scanning transmission electron microscopy (4D STEM) a focused beam is scanned over a specimen and a diffraction pattern is recorded at each position using a pixelated detector. During the experiment, it must be ensured…

Digital Twins promise to deliver a step-change in distribution system operations and planning, but there are few real-world examples that explore the challenges of combining imperfect model and measurement data, and then use these as the…

Systems and Control · Electrical Eng. & Systems 2023-11-21 Matthew Deakin , Marta Vanin , Zhong Fan , Dirk Van Hertem

This work examines the use of two-way training to efficiently discriminate the channel estimation performances at a legitimate receiver (LR) and an unauthorized receiver (UR) in a multiple-input multiple-output (MIMO) wireless system. This…

Information Theory · Computer Science 2015-06-12 Chao-Wei Huang , Tsung-Hui Chang , Xiangyun Zhou , Y. -W. Peter Hong

Recent technological developments and advances in Artificial Intelligence (AI) have enabled sophisticated capabilities to be a part of Digital Twin (DT), virtually making it possible to introduce automation into all aspects of work…

Software Engineering · Computer Science 2022-01-19 Ashwin Agrawal , Martin Fischer , Vishal Singh

A digital twin is a surrogate model that has the main feature to mirror the original process behavior. Associating the dynamical process with a digital twin model of reduced complexity has the significant advantage to map the dynamics with…

Numerical Analysis · Mathematics 2024-03-19 Diana Alina Bistrian , Omer San , Ionel Michael Navon

In frequency division duplex (FDD) systems, acquiring channel state information (CSI) at the base station (BS) traditionally relies on limited feedback from mobile terminals (MTs). However, the accuracy of channel reconstruction from…

Information Theory · Computer Science 2025-03-10 Yunseo Nam , Jiwook Choi

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

To ensure the availability and reduce the downtime of complex cyber-physical systems across different domains, e.g., agriculture and manufacturing, fault tolerance mechanisms are implemented which are complex in both their development and…

Robotics · Computer Science 2025-05-08 Irina Muntean , Mirgita Frasheri , Tiziano Munaro

Digital twin channel (DTC) is the real-time mapping of a wireless channel from the physical world to the digital world, which is expected to provide significant performance enhancements for the sixth-generation (6G) air-interface design. In…

Signal Processing · Electrical Eng. & Systems 2024-08-13 Heng Wang , Jianhua Zhang , Gaofeng Nie , Li Yu , Zhiqiang Yuan , Tongjie Li , Jialin Wang , Guangyi Liu

In this paper, we introduce a decentralized digital twin (DDT) framework for dynamical systems and discuss the prospects of the DDT modeling paradigm in computational science and engineering applications. The DDT approach is built on a…

Machine Learning · Computer Science 2022-07-26 Omer San , Suraj Pawar , Adil Rasheed

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 Twins (DTs), optimize operations and monitor performance in Smart Critical Systems (SCS) domains like smart grids and manufacturing. DT-based cybersecurity solutions are in their infancy, lacking a unified strategy to overcome…

Cryptography and Security · Computer Science 2023-09-26 Ahmad Mohsin , Helge Janicke , Surya Nepal , David Holmes

A digital twin (DT) leverages a virtual representation of the physical world, along with communication (e.g., 6G), computing (e.g., edge computing), and artificial intelligence (AI) technologies to enable many connected intelligence…

Machine Learning · Computer Science 2023-04-26 Christo Kurisummoottil Thomas , Walid Saad , Yong Xiao

Knowledge of information about the propagation channel in which a wireless system operates enables better, more efficient approaches for signal transmissions. Therefore, channel state information (CSI) plays a pivotal role in the system…

Information Theory · Computer Science 2018-12-04 Zhiyuan Jiang , Sheng Chen , Andreas F. Molisch , Rath Vannithamby , Sheng Zhou , Zhisheng Niu

Copy detection patterns (CDP) present an efficient technique for product protection against counterfeiting. However, the complexity of studying CDP production variability often results in time-consuming and costly procedures, limiting CDP…

Computer Vision and Pattern Recognition · Computer Science 2023-10-02 Yury Belousov , Olga Taran , Vitaliy Kinakh , Slava Voloshynovskiy
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