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Semantic communication is an increasingly popular framework for wireless image transmission due to its high communication efficiency. With the aid of the joint-source-and-channel (JSC) encoder implemented by neural network, semantic…

Information Theory · Computer Science 2022-12-02 Maojun Zhang , Yang Li , Zezhong Zhang , Guangxu Zhu , Caijun Zhong

Learning-based semantic communication (SemCom) has recently emerged as a promising paradigm for improving the transmission efficiency of wireless networks. However, existing methods typically rely on extensive end-to-end training, which is…

Information Theory · Computer Science 2026-03-19 Shunpu Tang , Qianqian Yang , Jihong Park , Zhaoyang Zhang , Kaibin Huang , Deniz Gunduz

Semantic communications have gained significant attention as a promising approach to address the transmission bottleneck, especially with the continuous development of 6G techniques. Distinct from the well investigated physical channel…

Signal Processing · Electrical Eng. & Systems 2024-03-15 Xiang Peng , Zhijin Qin , Xiaoming Tao , Jianhua Lu , Khaled B. Letaief

Recent developments in machine learning (ML) techniques enable users to extract, transmit, and reproduce information semantics via ML-based semantic communication (SemCom). This significantly increases network spectral efficiency and…

Signal Processing · Electrical Eng. & Systems 2025-12-17 Guhan Zheng , Qiang Ni , Aryan Kaushik , Lixia Yang , Yushi Wang , Charilaos Zarakovitis

Semantic communication (SemCom) has been deemed as a promising communication paradigm to break through the bottleneck of traditional communications. Nonetheless, most of the existing works focus more on point-to-point communication…

Signal Processing · Electrical Eng. & Systems 2023-12-05 Zhilin Lu , Rongpeng Li , Ming Lei , Chan Wang , Zhifeng Zhao , Honggang Zhang

Error detection and correction are essential for ensuring robust and reliable operation in modern communication systems, particularly in complex transmission environments. However, discussions on these topics have largely been overlooked in…

Networking and Internet Architecture · Computer Science 2025-09-18 Peizheng Li , Xinyi Lin , Adnan Aijaz

Token communications (TokCom) is an emerging generative semantic communication concept that reduces transmission rates by using context and multimodal large language model (MLLM)-based token processing, with tokens serving as universal…

Information Theory · Computer Science 2025-09-11 Li Qiao , Mahdi Boloursaz Mashhadi , Zhen Gao , Robert Schober , Deniz Gündüz

Vehicle count prediction is an important aspect of smart city traffic management. Most major roads are monitored by cameras with computing and transmitting capabilities. These cameras provide data to the central traffic controller (CTC),…

Networking and Internet Architecture · Computer Science 2024-01-03 Sachin Kadam , Dong In Kim

Semantic communication (SemComm) has emerged as new paradigm shifts.Most existing SemComm systems transmit continuously distributed signals in analog fashion.However, the analog paradigm is not compatible with current digital communication…

Signal Processing · Electrical Eng. & Systems 2024-08-12 Mingze Gong , Shuoyao Wang , Suzhi Bi , Yuan Wu , Liping Qian

Topological data analysis (TDA) is a tool from data science and mathematics that is beginning to make waves in environmental science. In this work, we seek to provide an intuitive and understandable introduction to a tool from TDA that is…

Machine Learning · Computer Science 2025-07-15 Lander Ver Hoef , Henry Adams , Emily J. King , Imme Ebert-Uphoff

Task-Oriented Semantic Communication (TOSC) has been considered as a new communication paradigm to serve various samrt devices that depend on Artificial Intelligence (AI) tasks in future wireless networks. The existing TOSC frameworks rely…

Signal Processing · Electrical Eng. & Systems 2024-07-17 Yuzhou Fu , Wenchi Cheng , Wei Zhang , Wei Zhang

Semantic communication (SC) offers promising advancements in data transmission efficiency and reliability by focusing on delivering true meaning rather than solely binary bits of messages. However, privacy concerns in SC might become…

Cryptography and Security · Computer Science 2024-11-26 Xuesong Liu , Yao Sun , Runze Cheng , Le Xia , Hanaa Abumarshoud , Lei Zhang , Muhammad Ali Imran

In this paper, we demonstrate that the concept of Semantic Consistency and the ensuing method of Knowledge-Aware Re-Optimization can be adapted for the problem of object detection in intricate traffic scenes. Furthermore, we introduce a…

Computer Vision and Pattern Recognition · Computer Science 2023-08-21 Jean-Francois Nies

In existing semantic communication systems for image transmission, some images are generally reconstructed with considerably low quality. As a result, the reliable transmission of each image cannot be guaranteed, bringing significant…

Signal Processing · Electrical Eng. & Systems 2023-06-28 Guangyi Zhang , Qiyu Hu , Yunlong Cai , Guanding Yu

Semantic context surrounding a triplet $(h, r, t)$ is crucial for Knowledge Graph Completion (KGC), providing vital cues for prediction. However, traditional node-based message passing mechanisms, when applied to knowledge graphs, often…

Artificial Intelligence · Computer Science 2025-09-11 Siyuan Li , Yan Wen , Ruitong Liu , Te Sun , Ruihao Zhou , Jingyi Kang , Yunjia Wu

The ability to efficiently search for images is essential for improving the user experiences across various products. Incorporating user feedback, via multi-modal inputs, to navigate visual search can help tailor retrieved results to…

Computer Vision and Pattern Recognition · Computer Science 2021-10-22 Surgan Jandial , Pinkesh Badjatiya , Pranit Chawla , Ayush Chopra , Mausoom Sarkar , Balaji Krishnamurthy

Semantic communication emphasizes the transmission of meaning rather than raw symbols. It offers a promising solution to alleviate network congestion and improve transmission efficiency. In this paper, we propose a wireless image…

Signal Processing · Electrical Eng. & Systems 2025-07-17 Chen Zhu , Siyun Liang , Zhouxiang Zhao , Jianrong Bao , Zhaohui Yang , Zhaoyang Zhang , Dusit Niyato

Nowadays, the need for high-quality image reconstruction and restoration is more and more urgent. However, most image transmission systems may suffer from image quality degradation or transmission interruption in the face of interference…

Computer Vision and Pattern Recognition · Computer Science 2023-11-20 Wannian An , Zhicheng Bao , Haotai Liang , Chen Dong , Xiaodong

Semantic communication enables intelligent agents to extract meaning (or semantics) of information via interaction, to carry out collaborative tasks. In this paper, we study semantic communication from a topological space perspective, in…

Signal Processing · Electrical Eng. & Systems 2022-11-01 Qiyang Zhao , Mehdi Bennis , Merouane Debbah , Daniel Benevides da Costa

Terahertz (THz) communications are envisioned to be a promising technology for 6G thanks to its broad bandwidth. However, the large path loss, antenna misalignment, and atmospheric influence of THz communications severely deteriorate its…

Information Theory · Computer Science 2023-04-25 Ziyang Song , Zheng Shi , Jiaji Su , Qingping Dou , Guanghua Yang , Haichuan Ding , Shaodan Ma