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We present an AI-based framework for semantic transmission of multimedia data over band-limited, time-varying channels. The method targets scenarios where large content is split into multiple packets, with an unknown number potentially…

Multimedia · Computer Science 2026-01-29 Homa Esfahanizadeh , Nargis Fayaz , Jinfeng Du , Harish Viswanathan

End-to-end image transmission has recently become a crucial trend in intelligent wireless communications, driven by the increasing demand for high bandwidth efficiency. However, existing methods primarily optimize the trade-off between…

Image and Video Processing · Electrical Eng. & Systems 2024-08-27 Kailin Tan , Jincheng Dai , Zhenyu Liu , Sixian Wang , Xiaoqi Qin , Wenjun Xu , Kai Niu , Ping Zhang

Deep learning based joint source-channel coding (JSCC) has demonstrated significant advancements in data reconstruction compared to separate source-channel coding (SSCC). This superiority arises from the suboptimality of SSCC when dealing…

Machine Learning · Computer Science 2023-08-23 Matin Mortaheb , Mohammad A. Amir Khojastepour , Srimat T. Chakradhar , Sennur Ulukus

Recent advances in deep learning-based joint source-channel coding (deepJSCC) have substantially improved communication performance, but their high computational cost hinders practical deployment. Moreover, certain applications require the…

Information Theory · Computer Science 2026-04-07 Hansung Choi , Daewon Seo

Despite significant advancements in deep learning based CSI compression, some key limitations remain unaddressed. Current approaches predominantly treat CSI compression as a source-coding problem, thereby neglecting transmission errors.…

Information Theory · Computer Science 2026-02-19 Sravan Kumar Ankireddy , Heasung Kim , Joonyoung Cho , Hyeji Kim

Adaptive rate control for deep joint source and channel coding (JSCC) is considered as an effective approach to transmit sufficient information in scenarios with limited communication resources. We propose a deep JSCC scheme for wireless…

Image and Video Processing · Electrical Eng. & Systems 2023-08-15 Weixuan Chen , Yuhao Chen , Qianqian Yang , Chongwen Huang , Qian Wang , Zhaoyang Zhang

This paper introduces Implicit-JSCC, a novel overfitted joint source-channel coding paradigm that directly optimizes channel symbols and a lightweight neural decoder for each source. This instance-specific strategy eliminates the need for…

Image and Video Processing · Electrical Eng. & Systems 2025-12-25 Haotian Wu , Gen Li , Pier Luigi Dragotti , Deniz Gündüz

Recently, deep learning-enabled joint-source channel coding (JSCC) has received increasing attention due to its great success in image transmission. However, most existing JSCC studies only focus on single-input single-output (SISO)…

Signal Processing · Electrical Eng. & Systems 2023-02-28 Guangyi Zhang , Qiyu Hu , Yunlong Cai , Guanding Yu

From the perspective of joint source-channel coding (JSCC), there has been significant research on utilizing semantic communication, which inherently possesses analog characteristics, within digital device environments. However, a…

Signal Processing · Electrical Eng. & Systems 2025-02-04 Yoon Huh , Hyowoon Seo , Wan Choi

Joint source-channel coding systems based on deep neural networks (DeepJSCC) have recently demonstrated remarkable performance in wireless image transmission. Existing methods primarily focus on minimizing distortion between the transmitted…

Image and Video Processing · Electrical Eng. & Systems 2025-03-18 Jiakang Chen , Selim F. Yilmaz , Di You , Pier Luigi Dragotti , Deniz Gündüz

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

In this paper, the analysis of excess distortion exponent for joint source-channel coding (JSCC) in semantic-aware communication systems is presented. By introducing an unobservable semantic source, we extend the classical results by…

Information Theory · Computer Science 2023-01-16 Yuxuan Shi , Shuo Shao , Yongpeng Wu , Wenjun Zhang , Xiang-Gen Xia , Chengshan Xiao

We propose a joint source-channel-network coding scheme, based on compressive sensing principles, for wireless networks with AWGN channels (that may include multiple access and broadcast), with sources exhibiting temporal and spatial…

Information Theory · Computer Science 2011-10-04 Soheil Feizi , Muriel Medard

We consider the image transmission problem over a noisy wireless channel via deep learning-based joint source-channel coding (DeepJSCC) along with a denoising diffusion probabilistic model (DDPM) at the receiver. Specifically, we are…

Image and Video Processing · Electrical Eng. & Systems 2024-09-23 Selim F. Yilmaz , Xueyan Niu , Bo Bai , Wei Han , Lei Deng , Deniz Gunduz

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

In the current era, DeoxyriboNucleic Acid (DNA) based data storage emerges as an intriguing approach, garnering substantial academic interest and investigation. This paper introduces a novel deep joint source-channel coding (DJSCC) scheme…

Emerging Technologies · Computer Science 2023-11-03 Wenfeng Wu , Luping Xiang , Qiang Liu , Kun Yang

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

This paper presents an adaptive framework for edge inference based on a dynamically configurable transformer-powered deep joint source channel coding (DJSCC) architecture. Motivated by a practical scenario where a resource constrained edge…

Machine Learning · Computer Science 2025-05-26 Alessio Devoto , Jary Pomponi , Mattia Merluzzi , Paolo Di Lorenzo , Simone Scardapane

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

We consider transmitting a source across a pair of independent, non-ergodic channels with random states (e.g., slow fading channels) so as to minimize the average distortion. The general problem is unsolved. Hence, we focus on comparing two…

Information Theory · Computer Science 2009-09-29 J. Nicholas Laneman , Emin Martinian , Gregory W. Wornell , John G. Apostolopoulos
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