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In recent years, the Transformer architecture has achieved outstanding performance across a wide range of tasks and modalities. Token is the unified input and output representation in Transformer-based models, which has become a fundamental…

Signal Processing · Electrical Eng. & Systems 2025-11-20 Jingkai Ying , Zhijin Qin , Yulong Feng , Liejun Wang , Xiaoming Tao

Semantic communications represent a significant breakthrough with respect to the current communication paradigm, as they focus on recovering the meaning behind the transmitted sequence of symbols, rather than the symbols themselves. In…

Signal Processing · Electrical Eng. & Systems 2023-09-06 S. Barbarossa , D. Comminiello , E. Grassucci , F. Pezone , S. Sardellitti , P. Di Lorenzo

Semantic communication is deemed as a revolution of Shannon's paradigm in the six-generation (6G) wireless networks. It aims at transmitting the extracted information rather than the original data, which receivers will try to recover.…

Signal Processing · Electrical Eng. & Systems 2023-12-08 Yang Li , Xinyu Zhou , Jun Zhao

This paper introduces a deep learning approach to dynamic spectrum access, leveraging the synergy of multi-modal image and spectrum data for the identification of potential transmitters. We consider an edge device equipped with a camera…

Networking and Internet Architecture · Computer Science 2023-12-22 Yalin E. Sagduyu , Tugba Erpek , Aylin Yener , Sennur Ulukus

In the evolving landscape of wireless communications, semantic communication (SemCom) has recently emerged as a 6G enabler that prioritizes the transmission of meaning and contextual relevance over conventional bit-centric metrics. However,…

Networking and Internet Architecture · Computer Science 2025-01-23 Hazem Barka , Georges Kaddoum , Mehdi Bennis , Md Sahabul Alam , Minh Au

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

Wireless communication provides a wide coverage at the cost of exposing information to unintended users. As an information-theoretic paradigm, secrecy rate derives bounds for secure transmission when the channel to the eavesdropper is…

Information Theory · Computer Science 2016-11-17 Ashkan Kalantari , Mojtaba Soltanalian , Sina Maleki , Symeon Chatzinotas , Björn Ottersten

Emergency Wireless Communication (EWC) networks adopt the User Datagram Protocol (UDP) to transmit scene images in real time for quickly assessing the extent of the damage. However, existing UDP-based EWC exhibits suboptimal performance…

Signal Processing · Electrical Eng. & Systems 2025-01-06 Yuzhou Fu , Wenchi Cheng , Jingqing Wang , Liuguo Yin , Wei Zhang

In this paper, the problem of wireless resource allocation and semantic information extraction for energy efficient semantic communications over wireless networks with rate splitting is investigated. In the considered model, a base station…

Information Theory · Computer Science 2023-01-06 Zhaohui Yang , Mingzhe Chen , Zhaoyang Zhang , Chongwen Huang

This paper aims to design robust Edge Intelligence using semantic communication for time-critical IoT applications. We systematically analyze the effect of image DCT coefficients on inference accuracy and propose the channel-agnostic…

Computer Vision and Pattern Recognition · Computer Science 2022-11-29 Andrea Cavagna , Nan Li , Alexandros Iosifidis , Qi Zhang

This paper studies a secure cell-free integrated sensing and communication (ISAC) system, in which multiple ISAC transmitters collaboratively send confidential information to multiple communication users (CUs) and concurrently conduct…

Information Theory · Computer Science 2023-12-08 Zixiang Ren , Jie Xu , Ling Qiu , Derrick Wing Kwan Ng

A novel semantic communication (SC)-assisted secrecy transmission framework is proposed. In particular, the legitimate transmitter (Tx) sends the superimposed semantic and bit stream to the legitimate receiver (Rx), where the information…

Information Theory · Computer Science 2024-02-23 Xidong Mu , Yuanwei Liu

Discrete representation has emerged as a powerful tool in task-oriented semantic communication (ToSC), offering compact, interpretable, and efficient representations well-suited for low-power edge intelligence scenarios. Its inherent…

Signal Processing · Electrical Eng. & Systems 2025-08-07 Anbang Zhang , Shuaishuai Guo , Chenyuan Feng , Hongyang Du , Haojin Li , Chen Sun , Haijun Zhang

Recently, deep learning enabled semantic communications have been developed to understand transmission content from semantic level, which realize effective and accurate information transfer. Aiming to the vision of sixth generation (6G)…

Signal Processing · Electrical Eng. & Systems 2024-03-04 Zhengyu Zhang , Ruisi He , Mi Yang , Xuejian Zhang , Ziyi Qi , Yuan Yuan , Bo Ai

In response to the growing complexity and demands of future wireless communication networks, spectrum cognition has emerged as an essential technique for optimizing spectrum utilization in next-generation wireless networks. This article…

Signal Processing · Electrical Eng. & Systems 2025-09-03 Hao Zhang , Fuhui Zhou , Qihui Wuand Chau Yuen

Semantic communication (SemCom) demonstrates strong superiority over conventional bit-level accurate transmission, by only attempting to recover the essential semantic information of data. In this paper, in order to tackle the…

Information Theory · Computer Science 2023-10-02 Siyu Tong , Xiaoxue Yu , Rongpeng Li , Kun Lu , Zhifeng Zhao , Honggang Zhang

Task-oriented semantic communication (ToSC) emerges as an innovative approach in the 6G landscape, characterized by the transmission of only vital information that is directly pertinent to a specific task. While ToSC offers an efficient…

Signal Processing · Electrical Eng. & Systems 2025-04-03 Shuaishuai Guo , Anbang Zhang , Yanhu Wang , Chenyuan Feng , Tony Q. S. Quek

Semantic communications have been utilized to execute numerous intelligent tasks by transmitting task-related semantic information instead of bits. In this article, we propose a semantic-aware speech-to-text transmission system for the…

Audio and Speech Processing · Electrical Eng. & Systems 2024-10-08 Zhenzi Weng , Zhijin Qin , Huiqiang Xie , Xiaoming Tao , Khaled B. Letaief

Sensing and communication are fundamental enablers of next-generation networks. While communication technologies have advanced significantly, sensing remains limited to conventional parameter estimation and is far from fully explored.…

Signal Processing · Electrical Eng. & Systems 2026-04-01 Xiaoqi Zhang , J. Andrew Zhang , Chang Liu , Weijie Yuan , Geoffrey Ye Li , Moeness G. Amin

In this paper, we propose a high-efficiency deep joint source-channel coding (JSCC) method for video transmission based on conditional coding with asymmetric context. The conditional coding-based neural video compression requires to predict…

Image and Video Processing · Electrical Eng. & Systems 2026-01-13 Xuechen Chen , Junting Li , Chuang Chen , Hairong Lin , Yishen Li
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