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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

Semantic communication has emerged as new paradigm shifts in 6G from the conventional syntax-oriented communications. Recently, the wireless broadcast technology has been introduced to support semantic communication system toward higher…

Signal Processing · Electrical Eng. & Systems 2024-02-01 Mingze Gong , Shuoyao Wang , Fangwei Ye , Suzhi Bi

The core challenge in numerous real-world applications is to match an inquiry to the best document from a mutable and finite set of candidates. Existing industry solutions, especially latency-constrained services, often rely on similarity…

Information Retrieval · Computer Science 2024-11-13 Xiaofeng Zhu , Thomas Lin , Vishal Anand , Matthew Calderwood , Eric Clausen-Brown , Gord Lueck , Wen-wai Yim , Cheng Wu

Semantic communications (SemCom) is a promising task-oriented paradigm in which semantic features exhibit non-uniform importance. Consequently, unequal error protection (UEP), which allocates resources based on semantic importance, plays a…

Signal Processing · Electrical Eng. & Systems 2026-04-02 Xunyang Zhan , Jie Cao , Xu Zhu , Nikolaos Pappas , Zhijin Qin , Shaohan Feng

Space-Air-Ground Integrated Networks (SAGINs) are pivotal for enabling ubiquitous connectivity in 6G systems, yet they face significant challenges due to severe satellite-to-ground link impairments. Although Unmanned Aerial Vehicles (UAVs)…

Information Theory · Computer Science 2025-11-25 Yanbo Yin , Dingzhu Wen , Changsheng You , XiaoWen Cao , Tat-Ming Lok , Dusit Niyato

The integration of machine learning (ML) has significantly enhanced the capabilities of Earth Observation (EO) systems by enabling the extraction of actionable insights from complex datasets. However, the performance of data-driven EO…

As a paradigm shift towards pervasive intelligence, semantic communication (SemCom) has shown great potentials to improve communication efficiency and provide user-centric services by delivering task-oriented semantic meanings. However, the…

Signal Processing · Electrical Eng. & Systems 2025-05-02 Hao Wei , Wen Wang , Wanli Ni , Wenjun Xu , Yongming Huang , Dusit Niyato , Ping Zhang

Semantic communication (SemCom) is an emerging paradigm that leverages semantic-level understanding to improve communication efficiency, particularly in resource-constrained scenarios. However, existing SemCom systems often overlook diverse…

Networking and Internet Architecture · Computer Science 2025-06-25 Xinyi Lin , Peizheng Li , Adnan Aijaz

Traditional communication systems focus on the transmission process, and the context-dependent meaning has been ignored. The fact that 5G system has approached Shannon limit and the increasing amount of data will cause communication…

Signal Processing · Electrical Eng. & Systems 2022-02-22 Chen Dong , Haotai Liang , Xiaodong Xu , Shujun Han , Bizhu Wang , Ping Zhang

Semantic communication (SemCom) has emerged as a promising paradigm that leverages Deep Neural Networks (DNNs) to extract task-relevant information, thereby substantially reducing the volume of transmitted data. In existing implementations,…

Networking and Internet Architecture · Computer Science 2026-03-10 Xingqiu He , Chaoqun You , Zihan Chen , Yao Sun , Dongzhu Liu , Tony Q. S. Quek , Yue Gao

The Space-Air-Ground-Sea integrated network calls for more robust and secure transmission techniques against jamming. In this paper, we propose a textual semantic transmission framework for robust transmission, which utilizes the advanced…

Computation and Language · Computer Science 2023-07-25 Shicong Liu , Zhen Gao , Gaojie Chen , Yu Su , Lu Peng

The sixth-generation mobile communication system proposes the vision of smart interconnection of everything, which requires accomplishing communication tasks while ensuring the performance of intelligent tasks. A joint source-channel coding…

Image and Video Processing · Electrical Eng. & Systems 2023-02-07 Qizheng Sun , Caili Guo , Yang Yang , Jiujiu Chen , Rui Tang , Chuanhong Liu

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

Recent advances in semantic correspondence have been largely driven by the use of pre-trained large-scale models. However, a limitation of these approaches is their dependence on high-resolution input images to achieve optimal performance,…

Computer Vision and Pattern Recognition · Computer Science 2026-02-16 Hailing Jin , Huiying Li

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

Rapid technological advancements have tremendously increased the data acquisition capabilities of remote sensing satellites. However, the data utilization efficiency in satellite missions is very low. This growing data also escalates the…

Image and Video Processing · Electrical Eng. & Systems 2021-10-20 Atal Tewari , Chennuri Prateek , Nitin Khanna

With the advancement of Artificial Intelligence (AI) technology, next-generation wireless communication network is facing unprecedented challenge. Semantic communication has become a novel solution to address such challenges, with enhancing…

Signal Processing · Electrical Eng. & Systems 2024-05-17 Zihe Zhao , Chunyue Wang

Modern communications are usually designed to pursue a higher bit-level precision and fewer bits while transmitting a message. This article rethinks these two major features and introduces the concept and advantage of semantics that…

Signal Processing · Electrical Eng. & Systems 2022-06-09 Kun Lu , Qingyang Zhou , Rongpeng Li , Zhifeng Zhao , Xianfu Chen , Jianjun Wu , Honggang Zhang

Space-air-ground integrated networks (SAGINs) are emerging as a pivotal element in the evolution of future wireless networks. Despite their potential, the joint design of communication and computation within SAGINs remains a formidable…

Information Theory · Computer Science 2024-07-08 Zhouxiang Zhao , Zhaohui Yang , Mingzhe Chen , Zhaoyang Zhang , Wei Xu , Kaibin Huang

In the realm of semantic communication, the significance of encoded features can vary, while wireless channels are known to exhibit fluctuations across multiple subchannels in different domains. Consequently, critical features may traverse…

Signal Processing · Electrical Eng. & Systems 2024-01-29 Kequan Zhou , Guangyi Zhang , Yunlong Cai , Qiyu Hu , Guanding Yu , A. Lee Swindlehurst
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