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Generative artificial intelligence (GAI) and digital twin (DT) are advanced data processing and virtualization technologies to revolutionize communication networks. Thanks to the powerful data processing capabilities of GAI, integrating it…

Networking and Internet Architecture · Computer Science 2024-04-09 Xinyu Huang , Haojun Yang , Conghao Zhou , Mingcheng He , Xuemin Shen , Weihua Zhuang

Network slicing in 5G/6G Non-Terrestrial Network (NTN) is confronted with mobility and traffic variability. An artificial intelligence (AI)-based digital twin (DT) architecture with deep reinforcement learning (DRL) using Deep deterministic…

Networking and Internet Architecture · Computer Science 2025-05-14 Afan Ali , Huseyin Arslan

In multiple-input multiple-output (MIMO) systems, it is crucial of utilizing the available channel state information (CSI) at the transmitter for precoding to improve the performance of frequency division duplex (FDD) networks. One of the…

Signal Processing · Electrical Eng. & Systems 2022-04-28 Xiangyi Li , Huaming Wu

A Digital Twin (DT) is a simulation of a physical system that provides information to make decisions that add economic, social or commercial value. The behaviour of a physical system changes over time, a DT must therefore be continually…

Machine Learning · Computer Science 2023-01-04 Felipe Montana , Adam Hartwell , Will Jacobs , Visakan Kadirkamanathan , Andrew R Mills , Tom Clark

This paper investigates the transformative potential of digital twin (DT) technology for non-terrestrial networks (NTNs). NTNs, comprising airborne and space-borne elements, face unique challenges in network control, management, and…

Networking and Internet Architecture · Computer Science 2024-11-20 Hayder Al-Hraishawi , Madyan Alsenwi , Junaid ur Rehman , Eva Lagunas , Symeon Chatzinotas

In this paper, we investigate a resource allocation and model retraining problem for dynamic wireless networks by utilizing incremental learning, in which the digital twin (DT) scheme is employed for decision making. A two-timescale…

Signal Processing · Electrical Eng. & Systems 2024-11-28 Jiayi Cong , Guoliang Cheng , Changsheng You , Xinyu Huang , Wen Wu

Transportation Cyber-Physical Systems (T-CPS) enhance safety and mobility by integrating cyber and physical transportation systems. A key component of T-CPS is the Digital Twin (DT), a virtual representation that enables simulation,…

Robotics · Computer Science 2025-02-27 Keshu Wu , Pei Li , Yang Cheng , Steven T. Parker , Bin Ran , David A. Noyce , Xinyue Ye

The great potentials of massive Multiple-Input Multiple-Output (MIMO) in Frequency Division Duplex (FDD) mode can be fully exploited when the downlink Channel State Information (CSI) is available at base stations. However, the accurate CSI…

Information Theory · Computer Science 2024-10-30 Jiajia Guo , Tong Chen , Shi Jin , Geoffrey Ye Li , Xin Wang , Xiaolin Hou

The field of Offline Reinforcement Learning (RL) aims to derive effective policies from pre-collected datasets without active environment interaction. While traditional offline RL algorithms like Conservative Q-Learning (CQL) and Implicit…

Machine Learning · Computer Science 2025-11-21 Ali Murtaza Caunhye , Asad Jeewa

Task scheduling is a critical problem when one user offloads multiple different tasks to the edge server. When a user has multiple tasks to offload and only one task can be transmitted to server at a time, while server processes tasks…

Machine Learning · Computer Science 2022-08-05 Xiucheng Wang , Longfei Ma , Haocheng Li , Zhisheng Yin , Tom. Luan , Nan Cheng

Digital twins (DT) are often defined as a pairing of a physical entity and a corresponding virtual entity (VE), mimicking certain aspects of the former depending on the use-case. In recent years, this concept has facilitated numerous…

Offline reinforcement learning (RL) allows agents to learn effective, return-maximizing policies from a static dataset. Three popular algorithms for offline RL are Conservative Q-Learning (CQL), Behavior Cloning (BC), and Decision…

Machine Learning · Computer Science 2024-03-13 Prajjwal Bhargava , Rohan Chitnis , Alborz Geramifard , Shagun Sodhani , Amy Zhang

Safety and cost are two important concerns for the development of autonomous driving technologies. From the academic research to commercial applications of autonomous driving vehicles, sufficient simulation and real world testing are…

Robotics · Computer Science 2023-07-03 Xuemin Hu , Shen Li , Tingyu Huang , Bo Tang , Rouxing Huai , Long Chen

Recently, the concept of digital twins (DTs) has received significant attention within the realm of 5G/6G. This demonstration shows an innovative DT design and implementation framework tailored toward integration within the 5G…

Networking and Internet Architecture · Computer Science 2023-08-31 Peizheng Li , Adnan Aijaz , Tim Farnham , Sajida Gufran , Sita Chintalapati

Complex IoT ecosystems often require the usage of Digital Twins (DTs) of their physical assets in order to perform predictive analytics and simulate what-if scenarios. DTs are able to replicate IoT devices and adapt over time to their…

Networking and Internet Architecture · Computer Science 2024-01-02 Luca Sciullo , Alberto De Marchi , Angelo Trotta , Federico Montori , Luciano Bononi , Marco Di Felice

Machine learning (ML) has been widely applied to the upper layers of wireless communication systems for various purposes, such as deployment of cognitive radio and communication network. However, its application to the physical layer is…

Information Theory · Computer Science 2017-10-30 Tianqi Wang , Chao-Kai Wen , Hanqing Wang , Feifei Gao , Tao Jiang , Shi Jin

To achieve higher throughput in next-generation Wi-Fi systems, a station (STA) needs to efficiently compress channel state information (CSI) and feed it back to an access point (AP). In this paper, we propose a novel deep learning…

Signal Processing · Electrical Eng. & Systems 2025-07-16 Junyong Shin , Eunsung Jeon , Inhyoung Kim , Yo-Seb Jeon

In today's networked world, Digital Twin Networks (DTNs) are revolutionizing how we understand and optimize physical networks. These networks, also known as 'Digital Twin Networks (DTNs)' or 'Networks Digital Twins (NDTs),' encompass many…

Networking and Internet Architecture · Computer Science 2025-01-28 Sarah Al-Shareeda , Khayal Huseynov , Lal Verda Cakir , Craig Thomson , Mehmet Ozdem , Berk Canberk

In this paper, we developed innovative digital twins of cattle status that are powered by artificial intelligence (AI). The work was built on a farm IoT system that remotely monitors and tracks the state of cattle. A digital twin model of…

Artificial Intelligence · Computer Science 2022-05-10 Xue Han , Zihuai Lin

Pretraining reinforcement learning (RL) models on offline datasets is a promising way to improve their training efficiency in online tasks, but challenging due to the inherent mismatch in dynamics and behaviors across various tasks. We…

Machine Learning · Computer Science 2024-06-06 Minting Pan , Yitao Zheng , Yunbo Wang , Xiaokang Yang