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Semantic communication (SemCom) has emerged as a promising technique for the next-generation communication systems, in which the generation at the receiver side is allowed with semantic features' recovery. However, the majority of existing…

Image and Video Processing · Electrical Eng. & Systems 2025-07-08 Chengyang Liang , Dong Li

In the evolving landscape of 6G networks, semantic communications are poised to revolutionize data transmission by prioritizing the transmission of semantic meaning over raw data accuracy. This paper presents a Vision Transformer…

Image and Video Processing · Electrical Eng. & Systems 2025-03-24 Muhammad Ahmed Mohsin , Muhammad Jazib , Zeeshan Alam , Muhmmad Farhan Khan , Muhammad Saad , Muhammad Ali Jamshed

Semantic communications are expected to enable the more effective delivery of meaning rather than a precise transfer of symbols. In this paper, we propose an end-to-end deep neural network-based architecture for image transmission and…

Signal Processing · Electrical Eng. & Systems 2026-04-29 Hanju Yoo , Taehun Jung , Linglong Dai , Songkuk Kim , Chan-Byoung Chae

Semantic communication has emerged as a promising paradigm for enabling goal-oriented networking. However, most existing semantic communication solutions are tailored to one-shot tasks and optimize instantaneous performance. Hence, they…

Machine Learning · Computer Science 2026-05-19 Lingyi Wang , Tingyu Shui , Walid Saad , Pascal Adjakple

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

Semantic communications have shown its great potential to improve the transmission reliability, especially in the low signal-to-noise regime. However, resource allocation for semantic communications still remains unexplored, which is a…

Signal Processing · Electrical Eng. & Systems 2023-05-12 Lei Yan , Zhijin Qin , Rui Zhang , Yongzhao Li , Geoffrey Ye Li

Token Communication (TokenCom) is a new paradigm, motivated by the recent success of Large AI Models (LAMs) and Multimodal Large Language Models (MLLMs), where tokens serve as unified units of communication and computation, enabling…

Information Theory · Computer Science 2026-03-04 Jingxuan Men , Mahdi Boloursaz Mashhadi , Ning Wang , Yi Ma , Mike Nilsson , Rahim Tafazolli

In communication through asymmetric channels the capacity-achieving input distribution is not uniform in general. Homophonic coding is a framework to invertibly convert a (usually uniform) message into a sequence with some target…

Information Theory · Computer Science 2017-06-30 Junya Honda , Hirosuke Yamamoto

Transformer-based Large Language Models (LLMs) often impose limitations on the length of the text input to ensure the generation of fluent and relevant responses. This constraint restricts their applicability in scenarios involving long…

Computation and Language · Computer Science 2023-12-18 Weizhi Fei , Xueyan Niu , Pingyi Zhou , Lu Hou , Bo Bai , Lei Deng , Wei Han

Semantic communication is an emerging research area that has gained a wide range of attention recently. Despite this growing interest, there remains a notable absence of a comprehensive and widely-accepted framework for characterizing…

Information Theory · Computer Science 2025-09-03 Yulin Shao , Qi Cao , Deniz Gunduz

In this paper, we design a new class of high-efficiency deep joint source-channel coding methods to achieve end-to-end video transmission over wireless channels. The proposed methods exploit nonlinear transform and conditional coding…

Computer Vision and Pattern Recognition · Computer Science 2022-11-03 Sixian Wang , Jincheng Dai , Zijian Liang , Kai Niu , Zhongwei Si , Chao Dong , Xiaoqi Qin , Ping Zhang

Upon the advent of the emerging metaverse and its related applications in Augmented Reality (AR), the current bit-oriented network struggles to support real-time changes for the vast amount of associated information, creating a significant…

Systems and Control · Electrical Eng. & Systems 2024-08-02 Zhe Wang , Yansha Deng

Semantic communication (SC) is recognized as a promising approach for enabling reliable communication with minimal data transfer while maintaining seamless connectivity for a group of wireless users. Unlocking the advantages of SC for…

Information Theory · Computer Science 2024-06-24 Nitisha Singh , Christo Kurisummoottil Thomas , Walid Saad , Emilio Calvanese Strinati

Generative foundation models can revolutionize the design of semantic communication (SemCom) systems allowing high fidelity exchange of semantic information at ultra low rates. In this work, a generative SemCom framework with pretrained…

Signal Processing · Electrical Eng. & Systems 2025-01-15 Chunmei Xu , Mahdi Boloursaz Mashhadi , Yi Ma , Rahim Tafazolli , Jiangzhou Wang

Semantic communications (SCs) aim to transmit only the essential information required to perform given tasks, thereby improving communication efficiency. Deep learning-based joint source-channel coding (deep JSCC) has emerged as a promising…

Signal Processing · Electrical Eng. & Systems 2026-04-07 Eunhye Hong , Taewoo Park , Yongjune Kim

Upon the advent of the emerging metaverse and its related applications in Augmented Reality (AR), the current bit-oriented network struggles to support real-time changes for the vast amount of associated information, hindering its…

Information Theory · Computer Science 2024-06-19 Zhe Wang , Yansha Deng , A. Hamid Aghvami

With the exponential surge in traffic data and the pressing need for ultra-low latency in emerging intelligence applications, it is envisioned that 6G networks will demand disruptive communication technologies to foster ubiquitous…

Information Theory · Computer Science 2024-08-12 Youlong Wu , Yuanmin Shi , Shuai Ma , Chunxiao Jiang , Wei Zhang , Khaled B. Letaief

Underwater wireless communications face significant challenges due to propagation constraints, limiting the effectiveness of traditional radio and optical technologies. Long-range acoustic communications support distances up to a few…

Networking and Internet Architecture · Computer Science 2025-07-01 João Pedro Loureiro , Patrícia Delgado , Tomás Feliciano Ribeiro , Filipe B. Teixeira , Rui Campos

Video semantic communication, praised for its transmission efficiency, still faces critical challenges related to privacy leakage. Traditional security techniques like steganography and encryption are challenging to apply since they are not…

Image and Video Processing · Electrical Eng. & Systems 2025-12-30 Zhihan Cao , Xiao Yang , Gaolei Li , Jun Wu , Jianhua Li , Yuchen Liu

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