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In this paper, we study a digital twin (DT)-empowered integrated sensing, communication, and computation network. Specifically, the users perform radar sensing and computation offloading on the same spectrum, while unmanned aerial vehicles…

Signal Processing · Electrical Eng. & Systems 2023-10-27 Bin Li , Wenshuai Liu , Wancheng Xie , Ning Zhang , Yan Zhang

Existing communication systems are mainly built based on Shannon's information theory which deliberately ignores the semantic aspects of communication. The recent iteration of wireless technology, the so-called 5G and beyond, promises to…

Networking and Internet Architecture · Computer Science 2021-06-24 Guangming Shi , Yong Xiao , Yingyu Li , Xuemei Xie

A visual metaphor constitutes a high-order form of human creativity, employing cross-domain semantic fusion to transform abstract concepts into impactful visual rhetoric. Despite the remarkable progress of generative AI, existing models…

Computer Vision and Pattern Recognition · Computer Science 2026-02-03 Yu Xu , Yuxin Zhang , Juan Cao , Lin Gao , Chunyu Wang , Oliver Deussen , Tong-Yee Lee , Fan Tang

Insufficient link budget has become a bottleneck problem for direct access in current satellite communications. In this paper, we develop a semantic transmission framework for direct satellite communications as an effective and viable…

Information Theory · Computer Science 2026-03-02 Chong Huang , Xuyang Chen , Jingjing Cui , Jingfu Li , Pei Xiao , Gaojie Chen , Rahim Tafazolli

Semantic communication has emerged as a promising technology for enhancing communication efficiency. However, most existing research emphasizes single-task reconstruction, neglecting model adaptability and generalization across multi-task…

Information Theory · Computer Science 2025-04-01 Weiwen Yuan , Jinke Ren , Chongjie Wang , Ruichen Zhang , Jun Wei , Dong In Kim , Shuguang Cui

Semantic communication is emerging as a key paradigm for 6G networks, where the goal is not to perfectly reconstruct bits but to preserve the meaning that matters for a given task. This shift can improve bandwidth efficiency, robustness,…

Networking and Internet Architecture · Computer Science 2026-03-16 Tuğçe Bilen , Ian F. Akyildiz

Achieving more powerful semantic representations and semantic understanding is one of the key problems in improving the performance of semantic communication systems. This work focuses on enhancing the semantic understanding of the text…

Signal Processing · Electrical Eng. & Systems 2025-04-03 Mengli Tao , Jiancun Fan , Jie Luo , Huiqiang Xie

Internet of Vehicles (IoV), as the core of intelligent transportation system, enables comprehensive interconnection between vehicles and their surroundings through multiple communication modes, which is significant for autonomous driving…

Networking and Internet Architecture · Computer Science 2025-06-19 Sha Ye , Qiong Wu , Pingyi Fan , Qiang Fan

Semantic Communication (SemCom) is envisaged as the next-generation paradigm to address challenges stemming from the conflicts between the increasing volume of transmission data and the scarcity of spectrum resources. However, existing…

Signal Processing · Electrical Eng. & Systems 2024-04-11 Yiru Wang , Wanting Yang , Zehui Xiong , Yuping Zhao , Tony Q. S. Quek , Zhu Han

Semantic communications are expected to become the core new paradigms of the sixth generation (6G) wireless networks. Most existing works implicitly utilize channel information for codecs training, which leads to poor communications when…

Information Theory · Computer Science 2023-12-07 Lan Lin , Wenjun Xu , Fengyu Wang , Yimeng Zhang , Wei Zhang , Ping Zhang

Point cloud, as a 3D representation, is widely used in autonomous driving, virtual reality (VR), and augmented reality (AR). However, traditional communication systems think that the point cloud's semantic information is irrelevant to…

Multimedia · Computer Science 2023-07-13 Xiaoyi Liu , Haotai Liang , Zhicheng Bao , Chen Dong , Xiaodong Xu

Human Digital Twins (HDTs) have traditionally been conceptualized as data-driven models designed to support decision-making across various domains. However, recent advancements in conversational AI open new possibilities for HDTs to…

Emerging Technologies · Computer Science 2025-07-01 Lluís C. Coll , Martin W. Lauer-Schmaltz , Philip Cash , John P. Hansen , Anja Maier

Semantic communication (SemCom) emerges as a transformative paradigm for traffic-intensive visual data transmission, shifting focus from raw data to meaningful content transmission and relieving the increasing pressure on communication…

Image and Video Processing · Electrical Eng. & Systems 2026-02-02 Runze Cheng , Yao Sun , Ahmad Taha , Xuesong Liu , David Flynn , Muhammad Ali Imran

Emerging networked systems such as industrial IoT and real-time cyber-physical infrastructures demand intelligent scheduling strategies capable of adapting to dynamic traffic, deadlines, and interference constraints. In this work, we…

Networking and Internet Architecture · Computer Science 2026-02-05 Hrishikesh Dutta , Roberto Minerva , Noel Crespi

Recently, semantic communications are envisioned as a key enabler of future 6G networks. Back to Shannon's information theory, the goal of communication has long been to guarantee the correct reception of transmitted messages irrespective…

Information Theory · Computer Science 2021-10-18 Mohamed Sana , Emilio Calvanese Strinati

Semantic communication transmits the extracted features of information rather than raw data, significantly reducing redundancy, which is crucial for addressing spectrum and energy challenges in 6G networks. In this paper, we introduce…

Machine Learning · Computer Science 2025-05-27 Wenjun Zhang , Qiong Wu , Pingyi Fan , Kezhi Wang , Nan Cheng , Wen Chen , Khaled B. Letaief

Generative foundation AI models have recently shown great success in synthesizing natural signals with high perceptual quality using only textual prompts and conditioning signals to guide the generation process. This enables semantic…

Information Theory · Computer Science 2024-08-20 Li Qiao , Mahdi Boloursaz Mashhadi , Zhen Gao , Chuan Heng Foh , Pei Xiao , Mehdi Bennis

With the development of Artificial Intelligence (AI) and Internet of Things (IoT) technologies, network communications based on the Shannon-Nyquist theorem gradually reveal their limitations due to the neglect of semantic information in the…

Information Theory · Computer Science 2025-04-10 Linhan Xia , Jiaxin Cai , Ricky Yuen-Tan Hou , Seon-Phil Jeong

Semantic communication focuses on transmitting task-relevant semantic information, aiming for intent-oriented communication. While existing systems improve efficiency by extracting key semantics, they still fail to deeply understand and…

Information Theory · Computer Science 2025-08-14 Peigen Ye , Jingpu Duan , Hongyang Du , Yulan Guo

Recent advancements in generative artificial intelligence have introduced groundbreaking approaches to innovating next-generation semantic communication, which prioritizes conveying the meaning of a message rather than merely transmitting…

Artificial Intelligence · Computer Science 2025-05-19 Achintha Wijesinghe , Weiwei Wang , Suchinthaka Wanninayaka , Songyang Zhang , Zhi Ding