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This paper considers a multi-user semantic and data communication (MU-SemDaCom) system, where a base station (BS) simultaneously serves users with different semantic and data tasks through a downlink multi-user multiple-input single-output…

Image and Video Processing · Electrical Eng. & Systems 2025-09-30 Kai Yuan , Dongxu Li , Jianhao Huang , Han Zhang , Chuan Huang

Cross-technology communication (CTC) is a promising technique that enables direct communications among incompatible wireless technologies without needing hardware modification. However, it has not been widely adopted in real-world…

Information Theory · Computer Science 2024-02-16 Shumin Yao , Xiaodong Xu , Hao Chen , Yaping Sun , Qinglin Zhao

In this paper, we propose an iterative source error correction (ISEC) decoding scheme for deep-learning-based joint source-channel coding (Deep JSCC). Given a noisy codeword received through the channel, we use a Deep JSCC encoder and…

Machine Learning · Computer Science 2023-02-21 Changwoo Lee , Xiao Hu , Hun-Seok Kim

The fundamental limit of Semantic Communications (joint source-channel coding) is established when the transmission needs to be kept covert from an external warden. We derive information-theoretic achievability and matching converse results…

Information Theory · Computer Science 2024-06-21 Abdelaziz Bounhar , Mireille Sarkiss , Michèle Wigger

In this paper, a generalization of deep learning-aided joint source channel coding (Deep-JSCC) approach to secure communications is studied. We propose an end-to-end (E2E) learning-based approach for secure communication against multiple…

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

Deep joint source-channel coding (DeepJSCC) has shown promise in wireless transmission of text, speech, and images within the realm of semantic communication. However, wireless video transmission presents greater challenges due to the…

Image and Video Processing · Electrical Eng. & Systems 2024-11-18 Xinyi Zhou , Danlan Huang , Zhixin Qi , Liang Zhang , Ting Jiang

This paper introduces rateless joint source-channel coding (rateless JSCC). The code is rateless in that it is designed and optimized for a continuum of coding rates such that it achieves a desired distortion for any rate in that continuum.…

Information Theory · Computer Science 2025-02-11 Saeed R. Khosravirad

To enable critical applications such as remote diagnostics, image classification must be guaranteed under bandwidth constraints and unreliable wireless channels through joint source and channel coding (JSCC) design. However, most existing…

Image and Video Processing · Electrical Eng. & Systems 2026-03-03 Wenchao Wu , Min Qiu , Yansha Deng , Jinhong Yuan

Recent works have shown that modern machine learning techniques can provide an alternative approach to the long-standing joint source-channel coding (JSCC) problem. Very promising initial results, superior to popular digital schemes that…

Image and Video Processing · Electrical Eng. & Systems 2022-06-17 Tze-Yang Tung , David Burth Kurka , Mikolaj Jankowski , Deniz Gunduz

Recently, learning-based semantic communication (SemCom) has emerged as a promising approach in the upcoming 6G network and researchers have made remarkable efforts in this field. However, existing works have yet to fully explore the…

Signal Processing · Electrical Eng. & Systems 2024-04-01 Shunpu Tang , Qianqian Yang , Deniz Gündüz , Zhaoyang Zhang

In this paper, we propose a high-efficiency deep joint source-channel coding (JSCC) method for video transmission based on conditional coding with asymmetric context. The conditional coding-based neural video compression requires to predict…

Image and Video Processing · Electrical Eng. & Systems 2026-01-13 Xuechen Chen , Junting Li , Chuang Chen , Hairong Lin , Yishen Li

Semantic knowledge bases are regarded as a promising technology for upcoming 6G communications. However, existing studies mainly focus on source-side semantic modeling while overlooking the structural impact of propagation environments on…

Information Theory · Computer Science 2026-04-08 Xudong Long , Hao Chen , Dan Wang , Chen Qiu , Nan Ma , Xiaodong Xu , Yubin Zhao

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

In recent years, numerous data-intensive broadcasting applications have emerged at the wireless edge, calling for a flexible tradeoff between distortion, transmission rate, and processing complexity. While deep learning-based joint…

Information Theory · Computer Science 2026-03-24 Zijun Qin , Jingxuan Huang , Zesong Fei , Haichuan Ding , Yulin Shao , Xianhao Chen

We study joint source-channel coding (JSCC) of compressed sensing (CS) measurements using vector quantizer (VQ). We develop a framework for realizing optimum JSCC schemes that enable encoding and transmitting CS measurements of a sparse…

Information Theory · Computer Science 2014-06-03 Amirpasha Shirazinia , Saikat Chatterjee , Mikael Skoglund

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

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

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

Task-oriented communications, mostly using learning-based joint source-channel coding (JSCC), aim to design a communication-efficient edge inference system by transmitting task-relevant information to the receiver. However, only…

Information Theory · Computer Science 2023-05-10 Songjie Xie , Shuai Ma , Ming Ding , Yuanming Shi , Mingjian Tang , Youlong Wu