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Related papers: SemHARQ: Semantic-Aware Hybrid Automatic Repeat Re…

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Semantic communication (SemCom) aims to achieve high fidelity information delivery under low communication consumption by only guaranteeing semantic accuracy. Nevertheless, semantic communication still suffers from unexpected channel…

Systems and Control · Electrical Eng. & Systems 2024-03-26 Fei Ni , Rongpeng Li , Zhifeng Zhao , Honggang Zhang

The surge of data traffic in Intelligent Transportation Systems (ITS) places a significant challenge on limited wireless resources. Semantic communication, which transmits essential semantics of the raw data, offers a promising solution by…

Information Theory · Computer Science 2025-04-22 Yongkang Li , Xu Wang , Zheng Shi , Yaru Fu

Recently, semantic communication has been brought to the forefront because of its great success in deep learning (DL), especially Transformer. Even if semantic communication has been successfully applied in the sentence transmission to…

Signal Processing · Electrical Eng. & Systems 2022-06-10 Peiwen Jiang , Chao-Kai Wen , Shi Jin , Geoffrey Ye Li

Semantic communications are expected to be an innovative solution to the emerging intelligent applications in the era of connected intelligence. In this paper, a novel scalable multitask semantic communication system with feature importance…

Signal Processing · Electrical Eng. & Systems 2023-04-13 Jiangjing Hu , Fengyu Wang , Wenjun Xu , Hui Gao , Ping Zhang

Semantic communication conveys meaning rather than raw bits, but reliability at the semantic level remains an open challenge. We propose a semantic-level hybrid automatic repeat request (HARQ) framework for text communication, in which a…

Signal Processing · Electrical Eng. & Systems 2026-03-17 Bin Han , Yulin Hu , Hans D. Schotten

Semantic communication has emerged as a promising paradigm for improving transmission efficiency and task-level reliability, yet most existing reliability-enhancement approaches rely on retransmission strategies driven by semantic fidelity…

Image and Video Processing · Electrical Eng. & Systems 2026-03-26 Boyuan Li , Shuoyao Wang , Suzhi Bi , Liping Qian , Yunlong Cai

Traditional single-modality sensing faces limitations in accuracy and capability, and its decoupled implementation with communication systems increases latency in bandwidth-constrained environments. Additionally, single-task-oriented…

Machine Learning · Computer Science 2025-03-13 Yubo Peng , Luping Xiang , Kun Yang , Feibo Jiang , Kezhi Wang , Dapeng Oliver Wu

Task-oriented semantic communications have achieved significant performance gains. However, the employed deep neural networks in semantic communications have to be updated when the task is changed or multiple models need to be stored for…

Signal Processing · Electrical Eng. & Systems 2024-06-11 Guangyi Zhang , Qiyu Hu , Zhijin Qin , Yunlong Cai , Guanding Yu , Xiaoming Tao

Although existing semantic communication systems have achieved great success, they have not considered that the channel is time-varying wherein deep fading occurs occasionally. Moreover, the importance of each semantic feature differs from…

Signal Processing · Electrical Eng. & Systems 2023-05-08 Kequan Zhou , Guangyi Zhang , Yunlong Cai , Qiyu Hu , Guanding Yu

Semantic communication has witnessed a great progress with the development of natural language processing (NLP) and deep learning (DL). Although existing semantic communication technologies can effectively reduce errors in semantic…

Systems and Control · Electrical Eng. & Systems 2022-07-06 Qingyang Zhou , Rongpeng Li , Zhifeng Zhao , Yong Xiao , Honggang Zhang

Digital and analog semantic communications (SemCom) face inherent limitations such as data security concerns in analog SemCom, as well as leveling-off and cliff-edge effects in digital SemCom. In order to overcome these challenges, we…

Signal Processing · Electrical Eng. & Systems 2024-05-29 Huiqiang Xie , Zhijin Qin , Zhu Han , Khaled B. Letaief

Semantic communication (SemCom) is accelerating its momentum to catch up with the massive increase in users' demands in both quantity and quality, with the assistance of advanced deep learning (DL) techniques. Specifically, SemCom can…

Information Theory · Computer Science 2026-05-11 Loc X. Nguyen , Phuong-Nam Tran , Trung Thanh Pham , Avi Deb Raha , Eui-Nam Huh , Zhu Han , Choong Seon Hong

Semantic communication (SemCom) with learned encoder-decoder architectures enables end-to-end learning of compact task-oriented representations optimized for the wireless channel, reducing channel resources needed to convey task-relevant…

Information Theory · Computer Science 2026-05-08 Yalin E. Sagduyu , Tugba Erpek

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

Semantic communication (SemCom) significantly reduces redundant data and improves transmission efficiency by extracting the latent features of information. However, most of the conventional deep learning-based SemCom systems focus on analog…

Signal Processing · Electrical Eng. & Systems 2025-12-30 Ming Lyu , Hao Chen , Dan Wang , Chen Qiu , Guangyin Feng , Nan Ma , Xiaodong Xu

Recent advancements in semantic communication have primarily focused on image transmission, where neural network-based joint source-channel coding modules play a central role. However, such systems often experience semantic communication…

Signal Processing · Electrical Eng. & Systems 2026-02-20 Yoon Huh , Bumjun Kim , Wan Choi

Semantic communications focus on the transmission of semantic features. In this letter, we consider a task-oriented multi-user semantic communication system for multimodal data transmission. Particularly, partial users transmit images while…

Signal Processing · Electrical Eng. & Systems 2021-12-15 Huiqiang Xie , Zhijin Qin , Geoffrey Ye Li

The growing demand for efficient semantic communication systems capable of managing diverse tasks and adapting to fluctuating channel conditions has driven the development of robust, resource-efficient frameworks. This article introduces a…

Computer Vision and Pattern Recognition · Computer Science 2025-02-13 Xiang Chen , Shuying Gan , Chenyuan Feng , Xijun Wang , Tony Q. S. Quek

In this paper, we explore a multi-task semantic communication (SemCom) system for distributed sources, extending the existing focus on collaborative single-task execution. We build on the cooperative multi-task processing introduced in [1],…

Signal Processing · Electrical Eng. & Systems 2025-06-11 Ahmad Halimi Razlighi , Maximilian H. V. Tillmann , Edgar Beck , Carsten Bockelmann , Armin Dekorsy

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
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