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Deep learning based semantic communication (DeepSC) system has emerged as a promising paradigm for efficient wireless transmission. However, existing image DeepSC methods, frequently encounter challenges in balancing rate-distortion…

Image and Video Processing · Electrical Eng. & Systems 2025-12-08 Yinhuan Huang , Zhijin Qin

Joint source-channel coding (JSCC) has achieved great success due to the introduction of deep learning (DL). Compared to traditional separate source-channel coding (SSCC) schemes, the advantages of DL-based JSCC (DJSCC) include high…

Cryptography and Security · Computer Science 2023-11-21 Jialong Xu , Bo Ai , Wei Chen , Ning Wang , Miguel Rodrigues

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

Information Theory · Computer Science 2025-03-28 Yufei Bo , Meixia Tao

Learning-based semantic communication (SemCom) has recently emerged as a promising paradigm for improving the transmission efficiency of wireless networks. However, existing methods typically rely on extensive end-to-end training, which is…

Information Theory · Computer Science 2026-03-19 Shunpu Tang , Qianqian Yang , Jihong Park , Zhaoyang Zhang , Kaibin Huang , Deniz Gunduz

Deep learning-based joint source-channel coding (JSCC) is emerging as a promising technology for effective image transmission. However, most existing approaches focus on transmitting clear images, overlooking real-world challenges such as…

Image and Video Processing · Electrical Eng. & Systems 2025-01-17 Pujing Yang , Guangyi Zhang , Yunlong Cai , Lei Yu , Guanding Yu

We study the problem of deep joint source-channel coding (D-JSCC) for correlated image sources, where each source is transmitted through a noisy independent channel to the common receiver. In particular, we consider a pair of images…

Information Theory · Computer Science 2022-01-26 Sixian Wang , Ke Yang , Jincheng Dai , Kai Niu

In this paper, we address the problem of image semantic communication in a multi-user deployment scenario and propose a federated learning (FL) strategy for a Swin Transformer-based semantic communication system (FSSC). Firstly, we…

Artificial Intelligence · Computer Science 2024-08-01 Yuna Yan , Xin Zhang , Lixin Li , Wensheng Lin , Rui Li , Wenchi Cheng , Zhu Han

As communication systems transition from symbol transmission to conveying meaningful information, sixth-generation (6G) networks emphasize semantic communication. This approach prioritizes high-level semantic information, improving…

Signal Processing · Electrical Eng. & Systems 2025-01-27 Zhe Xiang , Fei Yu , Quan Deng , Yuandi Li , Zhiguo Wan

Modern Earth Observation (EO) systems increasingly rely on high-resolution imagery to support critical applications such as environmental monitoring, disaster response, and land-use analysis. Although these applications benefit from…

An adaptive joint source-channel coding (JSCC) scheme is presented for transmitting correlated sources over discrete-memoryless two-way channels subject to distortion constraints. The proposed JSCC scheme makes use of the previously…

Information Theory · Computer Science 2020-08-13 Jian-Jia Weng , Fady Alajaji , Tamás Linder

Deep learning-based joint source-channel coding (JSCC) is emerging as a potential technology to meet the demand for effective data transmission, particularly for image transmission. Nevertheless, most existing advancements only consider…

Signal Processing · Electrical Eng. & Systems 2024-06-18 Pujing Yang , Guangyi Zhang , Yunlong Cai

The increased throughput brought by MIMO technology relies on the knowledge of channel state information (CSI) acquired in the base station (BS). To make the CSI feedback overhead affordable for the evolution of MIMO technology (e.g.,…

Information Theory · Computer Science 2022-04-08 Jialong Xu , Bo Ai , Ning Wang , Wei Chen

We propose an adaptive lossy joint source-channel coding (JSCC) scheme for sending correlated sources over two-terminal discrete-memoryless two-way channels (DM-TWCs). The main idea is to couple the independent operations of the terminals…

Information Theory · Computer Science 2020-06-29 Jian-Jia Weng , Fady Alajaji , Tamás Linder

Reliable image transmission over wireless channels is particularly challenging at extremely low transmission rates, where conventional compression and channel coding schemes fail to preserve adequate visual quality. To address this issue,…

Information Theory · Computer Science 2025-10-27 Shengkang Chen , Tong Wu , Zhiyong Chen , Feng Yang , Meixia Tao , Wenjun Zhang

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

Multi-task learning (MTL) is an efficient way to improve the performance of related tasks by sharing knowledge. However, most existing MTL networks run on a single end and are not suitable for collaborative intelligence (CI) scenarios. In…

Computer Vision and Pattern Recognition · Computer Science 2021-11-03 Mengyang Wang , Zhicong Zhang , Jiahui Li , Mengyao Ma , Xiaopeng Fan

Deep learning-based joint source-channel coding (DeepJSCC) has emerged as a promising technique in 6G for enhancing the efficiency and reliability of data transmission across diverse modalities, particularly in low signal-to-noise ratio…

Signal Processing · Electrical Eng. & Systems 2025-09-09 Kaiyi Chi , Yinghui He , Qianqian Yang , Zhiping Jiang , Yuanchao Shu , Zhiqin Wang , Jun Luo , Jiming Chen

We propose a hybrid joint source-channel coding (JSCC) scheme, in which the conventional digital communication scheme is complemented with a generative refinement component to improve the perceptual quality of the reconstruction. The input…

Information Theory · Computer Science 2023-08-17 Xueyan Niu , Xu Wang , Deniz Gündüz , Bo Bai , Weichao Chen , Guohua Zhou

Analog joint source-channel coding (JSCC) has demonstrated superior performance for semantic communications through graceful degradation across channel conditions. However, a fundamental hardware-software mismatch prevents deployment on…

Information Theory · Computer Science 2026-03-11 Shumin Yao , Hao Chen , Yaping Sun , Nan Ma , Xiaodong Xu , Qinglin Zhao , Shuguang Cui

In this paper, we propose a class of high-efficiency deep joint source-channel coding methods that can closely adapt to the source distribution under the nonlinear transform, it can be collected under the name nonlinear transform…

Information Theory · Computer Science 2022-11-03 Jincheng Dai , Sixian Wang , Kailin Tan , Zhongwei Si , Xiaoqi Qin , Kai Niu , Ping Zhang