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Semantic communication (SemCom) aims to convey the intended meaning of messages rather than merely transmitting bits, thereby offering greater efficiency and robustness, particularly in resource-constrained or noisy environments. In this…

Information Theory · Computer Science 2025-07-08 Chengyang Liang , Dong Li

Semantic Communication (SemCom) systems, empowered by deep learning (DL), represent a paradigm shift in data transmission. These systems prioritize the significance of content over sheer data volume. However, existing SemCom designs face…

Networking and Internet Architecture · Computer Science 2024-01-19 Abdullatif Albaseer , Mohamed Abdallah

Generative joint source-channel coding (GJSCC) has emerged as a new Deep JSCC paradigm for achieving high-fidelity and robust image transmission under extreme wireless channel conditions, such as ultra-low bandwidth and low signal-to-noise…

Image and Video Processing · Electrical Eng. & Systems 2026-01-07 Kailin Tan , Jincheng Dai , Sixian Wang , Guo Lu , Shuo Shao , Kai Niu , Wenjun Zhang , Ping Zhang

Task-oriented semantic communications (TSC) enhance radio resource efficiency by transmitting task-relevant semantic information. However, current research often overlooks the inherent semantic distinctions among encoded features. Due to…

Information Theory · Computer Science 2024-05-02 Shuai Lyu , Yao Sun , Linke Guo , Xiaoyong Yuan , Fang Fang , Lan Zhang , Xianbin Wang

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

This paper investigates distributed source-channel coding for correlated image semantic transmission over wireless channels. In this setup, correlated images at different transmitters are separately encoded and transmitted through dedicated…

Information Theory · Computer Science 2025-06-10 Yufei Bo , Meixia Tao , Kai Niu

Recent advances in deep learning-based joint source-channel coding (DJSCC) have shown promise for end-to-end semantic image transmission. However, most existing schemes primarily focus on optimizing pixel-wise metrics, which often fail to…

Signal Processing · Electrical Eng. & Systems 2024-12-24 Pujing Yang , Guangyi Zhang , Yunlong Cai

In this paper, we propose a novel semantic-aided image communication framework for supporting the compatibility with practical separation-based coding architectures. Particularly, the deep learning (DL)-based joint source-channel coding…

Information Theory · Computer Science 2025-05-01 Mingkai Xu , Yongpeng Wu , Yuxuan Shi , Xiang-Gen Xia , Merouane Debbah , Wenjun Zhang , Ping Zhang

Task-oriented communication presents a promising approach to improve the communication efficiency of edge inference systems by optimizing learning-based modules to extract and transmit relevant task information. However, real-time…

Computer Vision and Pattern Recognition · Computer Science 2024-12-03 Songjie Xie , Hengtao He , Shenghui Song , Jun Zhang , Khaled B. Letaief

We propose deep learning based communication methods for adaptive-bandwidth transmission of images over wireless channels. We consider the scenario in which images are transmitted progressively in layers over time or frequency, and such…

Information Theory · Computer Science 2021-06-15 David Burth Kurka , Deniz Gündüz

As one of the key techniques to realize semantic communications, end-to-end optimized neural joint source-channel coding (JSCC) has made great progress over the past few years. A general trend in many recent works pushing the model…

Signal Processing · Electrical Eng. & Systems 2024-07-08 Ke Yang , Sixian Wang , Jincheng Dai , Xiaoqi Qin , Kai Niu , Ping Zhang

We present a novel adaptive deep joint source-channel coding (JSCC) scheme for wireless image transmission. The proposed scheme supports multiple rates using a single deep neural network (DNN) model and learns to dynamically control the…

Signal Processing · Electrical Eng. & Systems 2021-10-12 Mingyu Yang , Hun-Seok Kim

To address the challenges of robust data transmission over complex time-varying channels, this paper introduces channel learning and enhanced adaptive reconstruction (CLEAR) strategy for semantic communications. CLEAR integrates deep joint…

Networking and Internet Architecture · Computer Science 2024-12-13 Hongzhi Pan , Shengliang Wu , Lingyun Wang , Yujun Zhu , Weiwei Jiang , Xin He

In recent developments, deep learning (DL)-based joint source-channel coding (JSCC) for wireless image transmission has made significant strides in performance enhancement. Nonetheless, the majority of existing DL-based JSCC methods are…

Image and Video Processing · Electrical Eng. & Systems 2023-11-28 Junyu Pan , Hanlei Li , Guangyi Zhang , Yunlong Cai , Guanding Yu

Diffusion models have been extensively utilized in AI-generated content (AIGC) in recent years, thanks to the superior generation capabilities. Combining with semantic communications, diffusion models are used for tasks such as denoising,…

Machine Learning · Computer Science 2025-07-10 Lei Guo , Wei Chen , Yuxuan Sun , Bo Ai , Nikolaos Pappas , Tony Q. S. Quek

Semantic communication enhances transmission efficiency by conveying semantic information rather than raw input symbol sequences. Task-oriented semantic communication is a variant that tries to retains only task-specific information, thus…

Cryptography and Security · Computer Science 2025-10-06 Xuesong Wang , Mo Li , Xingyan Shi , Zhaoqian Liu , Shenghao Yang

Semantic communication and edge-cloud collaborative intelligence are increasingly recognized as foundational enablers for next-generation intelligent services operating under stringent bandwidth, latency, and resource constraints. By…

Networking and Internet Architecture · Computer Science 2025-12-23 Murdadha Nasif , Ahmed Refaey Hussein

Edge machine learning can deliver low-latency and private artificial intelligent (AI) services for mobile devices by leveraging computation and storage resources at the network edge. This paper presents an energy-efficient edge processing…

Information Theory · Computer Science 2020-03-03 Kai Yang , Yuanming Shi , Wei Yu , Zhi Ding

Joint source-channel coding (JSCC) is an effective approach for semantic communication. However, current JSCC methods are difficult to integrate with existing communication network architectures, where application and network providers are…

Information Theory · Computer Science 2025-07-18 Wenzheng Kong , Wenyi Zhang

The massive growth in the utilization of edge AI has made the applications of machine learning models ubiquitous in different domains. Despite the computation and communication efficiency of these systems, due to limited computation…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-11-18 Mohammad Mahdi Kamani , Zhongwei Cheng , Lin Chen