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Semantic communication (SemCom) improves transmission efficiency by focusing on task-relevant information. However, transmitting semantic-rich data over insecure channels introduces privacy risks. This paper proposes a novel SemCom…

Cryptography and Security · Computer Science 2025-05-07 Weixuan Chen , Shunpu Tang , Qianqian Yang , Zhiguo Shi , Dusit Niyato

Semantic communication (SemCom) enhances transmission efficiency by sending only task-relevant information compared to traditional methods. However, transmitting semantic-rich data over insecure or public channels poses security and privacy…

Image and Video Processing · Electrical Eng. & Systems 2024-05-16 Weixuan Chen , Shunpu Tang , Qianqian Yang

Semantic communication has emerged as a promising paradigm for enhancing communication efficiency in sixth-generation (6G) networks. However, the broadcast nature of wireless channels makes SemCom systems vulnerable to eavesdropping, which…

Information Theory · Computer Science 2025-04-01 Shunpu Tang , Yuhao Chen , Qianqian Yang , Ruichen Zhang , Dusit Niyato , Zhiguo Shi

Semantic communication (SemCom) has emerged as a key technology for the forthcoming sixth-generation (6G) network, attributed to its enhanced communication efficiency and robustness against channel noise. However, the open nature of…

Signal Processing · Electrical Eng. & Systems 2024-04-19 Shunpu Tang , Chen Liu , Qianqian Yang , Shibo He , Dusit Niyato

Semantic communication (SemCom) has emerged as a promising paradigm for next-generation networks. However, its typical end-to-end joint source--channel coding (JSCC) architecture also raises serious privacy concerns. To guide future secure…

Signal Processing · Electrical Eng. & Systems 2026-05-11 Shunpu Tang , Qianqian Yang , Zhiguo Shi , Jiming Chen , Xuemin Shen

Semantic communication (SemCom) improves communication efficiency by transmitting task-relevant information instead of raw bits and is expected to be a key technology for 6G networks. Recent advances in generative AI (GenAI) further enhance…

Signal Processing · Electrical Eng. & Systems 2026-01-07 Shunpu Tang , Yuanyuan Jia , Zijiu Yang , Qianqian Yang , Ruichen Zhang , Jun Du , Jihong Park , Zhiguo Shi , Jiming Chen

Semantic communications conveys task-relevant meaning rather than focusing solely on message reconstruction, improving bandwidth efficiency and robustness for next-generation wireless systems. However, learned semantic representations can…

Networking and Internet Architecture · Computer Science 2026-01-01 Yalin E. Sagduyu , Tugba Erpek , Aylin Yener , Sennur Ulukus

Semantic communication (SemCom) aims to transmit only task-relevant information, thereby improving communication efficiency but also exposing semantic information to potential eavesdropping. In this paper, we propose a deep reinforcement…

Cryptography and Security · Computer Science 2026-01-21 Weixuan Chen , Qianqian Yang

As semantic communication (SemCom) attracts growing attention as a novel communication paradigm, ensuring the security of transmitted semantic information over open wireless channels has become a critical issue. However, traditional…

Information Theory · Computer Science 2025-11-25 Weixuan Chen , Qianqian Yang , Shuo Shao , Zhiguo Shi , Jiming Chen , Xuemin , Shen

Semantic communication (SemCom), as a novel paradigm for future communication systems, has recently attracted much attention due to its superiority in communication efficiency. However, similar to traditional communication, it also suffers…

Signal Processing · Electrical Eng. & Systems 2026-03-26 Song Gao , Rui Meng , Xiaodong Xu , Haixiao Gao , Yiming Liu , Chenyuan Feng , Ping Zhang , Tony Q. S. Quek , Dusit Niyato

Semantic communication has emerged as a promising paradigm for next-generation wireless systems, improving the communication efficiency by transmitting high-level semantic features. However, reliance on unimodal representations can degrade…

Signal Processing · Electrical Eng. & Systems 2025-09-11 Haoran Chang , Mingzhe Chen , Huaxia Wang , Qianqian Zhang

This paper addresses the challenge of achieving security in semantic communication (SemCom) over a wiretap channel, where a legitimate receiver coexists with an eavesdropper experiencing a poorer channel condition. Despite previous efforts…

Information Theory · Computer Science 2025-09-05 Weixuan Chen , Shuo Shao , Qianqian Yang , Zhaoyang Zhang , Ping Zhang

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

Semantic communication (SemCom) has emerged as a promising paradigm for future wireless networks by prioritizing task-relevant meaning over raw data delivery, thereby reducing communication overhead and improving efficiency. However,…

Cryptography and Security · Computer Science 2026-04-24 Weixuan Chen , Qianqian Yang , Yuanyuan Jia , Junyu Pan , Shuo Shao , Jincheng Dai , Meixia Tao , Ping Zhang

Semantic Communication (SemCom), leveraging its significant advantages in transmission efficiency and reliability, has emerged as a core technology for constructing future intellicise (intelligent and concise) wireless networks. However,…

Cryptography and Security · Computer Science 2026-05-08 Rui Meng , Song Gao , Bingxuan Xu , Xiaodong Xu , Jianqiao Chen , Nan Ma , Pei Xiao , Ping Zhang , Rahim Tafazolli

Recently proliferated deep learning-based semantic communications (DLSC) focus on how transmitted symbols efficiently convey a desired meaning to the destination. However, the sensitivity of neural models and the openness of wireless…

Cryptography and Security · Computer Science 2024-12-02 Yankai Rong , Guoshun Nan , Minwei Zhang , Sihan Chen , Songtao Wang , Xuefei Zhang , Nan Ma , Shixun Gong , Zhaohui Yang , Qimei Cui , Xiaofeng Tao , Tony Q. S. Quek

Deep learning draws heavily on the latest progress in semantic communications. The present paper aims to examine the security aspect of this cutting-edge technique from a novel shuffling perspective. Our goal is to improve upon the…

Cryptography and Security · Computer Science 2025-07-11 Fupei Chen , Liyao Xiang , Haoxiang Sun , Hei Victor Cheng , Kaiming Shen

Semantic communications have been envisioned as a potential technique that goes beyond Shannon paradigm. Unlike modern communications that provide bit-level security, the eaves-dropping of semantic communications poses a significant risk of…

Information Theory · Computer Science 2024-08-06 Yongkang Li , Zheng Shi , Han Hu , Yaru Fu , Hong Wang , Hongjiang Lei

Semantic communication (SemCom) is regarded as a promising and revolutionary technology in 6G, aiming to transcend the constraints of ``Shannon's trap" by filtering out redundant information and extracting the core of effective data.…

Cryptography and Security · Computer Science 2025-03-27 Rui Meng , Song Gao , Dayu Fan , Haixiao Gao , Yining Wang , Xiaodong Xu , Bizhu Wang , Suyu Lv , Zhidi Zhang , Mengying Sun , Shujun Han , Chen Dong , Xiaofeng Tao , Ping Zhang

As one of the most promising technologies for intellicise (intelligent and consice) wireless networks, Semantic Communication (SemCom) significantly improves communication efficiency by extracting, transmitting, and recovering semantic…

Signal Processing · Electrical Eng. & Systems 2026-01-28 Rui Meng , Song Gao , Haixiao Gao , Yinqiu Liu , Ruichen Zhang , Mengying Sun , Xiaodong Xu , Ping Zhang , Dusit Niyato
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