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Semantic communication is expected to be one of the cores of next-generation AI-based communications. One of the possibilities offered by semantic communication is the capability to regenerate, at the destination side, images or videos…

人工智能 · 计算机科学 2026-05-18 Eleonora Grassucci , Sergio Barbarossa , Danilo Comminiello

Semantic communications (SCs) aim to transmit only the essential information required to perform given tasks, thereby improving communication efficiency. Deep learning-based joint source-channel coding (deep JSCC) has emerged as a promising…

信号处理 · 电气工程与系统科学 2026-04-07 Eunhye Hong , Taewoo Park , Yongjune Kim

Achieving reliable communication has long been a fundamental challenge in networked systems. Semantic Error Correction (SEC) leverages the semantic understanding capabilities of language models (LMs) to perform application-layer error…

信息论 · 计算机科学 2026-03-30 Yirun Wang , Yuyang Du , Soung Chang Liew , Yuchen Pan , Feifan Zhang , Lihao Zhang

Packet loss during video conferencing often results in poor quality and video freezing. Retransmitting lost packets is often impractical due to the need for real-time playback, and using Forward Error Correction (FEC) for packet recovery is…

网络与互联网体系结构 · 计算机科学 2024-10-08 Tianhong Li , Vibhaalakshmi Sivaraman , Pantea Karimi , Lijie Fan , Mohammad Alizadeh , Dina Katabi

As deep speech enhancement algorithms have recently demonstrated capabilities greatly surpassing their traditional counterparts for suppressing noise, reverberation and echo, attention is turning to the problem of packet loss concealment…

音频与语音处理 · 电气工程与系统科学 2022-05-13 Jean-Marc Valin , Ahmed Mustafa , Christopher Montgomery , Timothy B. Terriberry , Michael Klingbeil , Paris Smaragdis , Arvindh Krishnaswamy

Enhancing speech signal quality in adverse acoustic environments is a persistent challenge in speech processing. Existing deep learning based enhancement methods often struggle to effectively remove background noise and reverberation in…

音频与语音处理 · 电气工程与系统科学 2023-09-19 Heming Wang , Meng Yu , Hao Zhang , Chunlei Zhang , Zhongweiyang Xu , Muqiao Yang , Yixuan Zhang , Dong Yu

Semantic Communication (SC) is an emerging technology aiming to surpass the Shannon limit. Traditional SC strategies often minimize signal distortion between the original and reconstructed data, neglecting perceptual quality, especially in…

机器学习 · 计算机科学 2024-08-12 Kexin Zhang , Lixin Li , Wensheng Lin , Yuna Yan , Rui Li , Wenchi Cheng , Zhu Han

Semantic communication (SemCom) has emerged as a promising paradigm for 6G wireless systems by transmitting task-relevant information rather than raw bits, yet existing approaches remain vulnerable to dual sources of uncertainty: semantic…

网络与互联网体系结构 · 计算机科学 2026-01-26 Long Tan Le , Senura Hansaja Wanasekara , Zerun Niu , Nguyen H. Tran , Phuong Vo , Walid Saad , Dusit Niyato , Zhu Han , Choong Seon Hong , H. Vincent Poor

Semantic- and task-oriented communication has emerged as a promising approach to reducing the latency and bandwidth requirements of next-generation mobile networks by transmitting only the most relevant information needed to complete a…

信息论 · 计算机科学 2024-09-27 Deniz Gündüz , Michèle A. Wigger , Tze-Yang Tung , Ping Zhang , Yong Xiao

Real-time communications in packet-switched networks have become widely used in daily communication, while they inevitably suffer from network delays and data losses in constrained real-time conditions. To solve these problems, audio packet…

声音 · 计算机科学 2022-07-05 Yuansheng Guan , Guochen Yu , Andong Li , Chengshi Zheng , Jie Wang

Semantic communications will play a critical role in enabling goal-oriented services over next-generation wireless systems. However, most prior art in this domain is restricted to specific applications (e.g., text or image), and it does not…

网络与互联网体系结构 · 计算机科学 2022-02-16 Mohammad Karimzadeh Farshbafan , Walid Saad , Merouane Debbah

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…

信息论 · 计算机科学 2026-05-08 Yalin E. Sagduyu , Tugba Erpek

This paper investigates an information-theoretic model of secure semantic-aware communication. For this purpose, we consider the lossy joint source-channel coding (JSCC) of a memoryless semantic source transmitted over a memoryless wiretap…

信息论 · 计算机科学 2026-05-26 Denis Kozlov , Mahtab Mirmohseni , Rahim Tafazolli

Modern communications are usually designed to pursue a higher bit-level precision and fewer bits while transmitting a message. This article rethinks these two major features and introduces the concept and advantage of semantics that…

信号处理 · 电气工程与系统科学 2022-06-09 Kun Lu , Qingyang Zhou , Rongpeng Li , Zhifeng Zhao , Xianfu Chen , Jianjun Wu , Honggang Zhang

Semantic communications conveys task-relevant meaning rather than focusing solely on message reconstruction, improving bandwidth efficiency and robustness for next-generation wireless systems. However, learned semantic representations can…

网络与互联网体系结构 · 计算机科学 2026-01-01 Yalin E. Sagduyu , Tugba Erpek , Aylin Yener , Sennur Ulukus

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…

信息论 · 计算机科学 2022-12-02 Maojun Zhang , Yang Li , Zezhong Zhang , Guangxu Zhu , Caijun Zhong

End-to-end semantic communications (ESC) rely on deep neural networks (DNN) to boost communication efficiency by only transmitting the semantics of data, showing great potential for high-demand mobile applications. We argue that central to…

信号处理 · 电气工程与系统科学 2023-05-15 Guoshun Nan , Zhichun Li , Jinli Zhai , Qimei Cui , Gong Chen , Xin Du , Xuefei Zhang , Xiaofeng Tao , Zhu Han , Tony Q. S. Quek

The increasing prevalence of Large Language Models (LMs) in critical applications highlights the need for controlled language generation strategies that are not only computationally efficient but that also enjoy performance guarantees. To…

计算与语言 · 计算机科学 2026-03-16 Emily Cheng , Carmen Amo Alonso

Semantic communication can improve transmission efficiency by focusing on task-relevant information. However, under packet-based communication protocols, any error typically results in the loss of an entire packet, making semantic…

系统与控制 · 电气工程与系统科学 2025-11-24 Xiao Yang , Shuai Ma , Yong Liang , Guangming Shi

Although the semantic communication with joint semantic-channel coding design has shown promising performance in transmitting data of different modalities over physical layer channels, the synchronization and packet-level forward error…

图像与视频处理 · 电气工程与系统科学 2024-08-13 Yun Tian , Jingkai Ying , Zhijin Qin , Ye Jin , Xiaoming Tao