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相关论文: RIS-Based On-the-Air Semantic Communications -- a …

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In this paper, we propose a robust semantic communication system for speech transmission, named Ross-S2T, by delivering the essential semantic information. Specifically, we consider the speech-to-text translation (S2TT) as the transmission…

音频与语音处理 · 电气工程与系统科学 2025-07-08 Zhenzi Weng , Zhijin Qin , Geoffrey Ye Li

The rapid development of deep learning (DL) and widespread applications of Internet-of-Things (IoT) have made the devices smarter than before, and enabled them to perform more intelligent tasks. However, it is challenging for any IoT device…

信号处理 · 电气工程与系统科学 2020-11-26 Huiqiang Xie , Zhijin Qin

As a new communication paradigm, semantic communication has received widespread attention in communication fields. However, since the decoding of semantic signals relies on contextual knowledge, misalignment between the starting position of…

信号处理 · 电气工程与系统科学 2023-12-19 Xiaoyi Liu , Haotai Liang , Chen Dong , Xiaodong Xu

Reconfigurable intelligent surface (RIS) has been envisioned as a promising technique to enable and enhance future wireless communications due to its potential to engineer the wireless channels in a cost-effective manner. Extensive research…

信号处理 · 电气工程与系统科学 2023-10-11 Hongyu Li , Shanpu Shen , Matteo Nerini , Bruno Clerckx

Federated edge learning (FEEL) has emerged as a revolutionary paradigm to develop AI services at the edge of 6G wireless networks as it supports collaborative model training at a massive number of mobile devices. However, model…

信息论 · 计算机科学 2024-10-28 Hang Liu , Zehong Lin , Xiaojun Yuan , Ying-Jun Angela Zhang

With the rapid growth of intelligent services, communication targets are shifting from humans to artificial intelligent (AI) agents, which require new paradigms to enable real-time perception, decision-making, and collaboration. Semantic…

人工智能 · 计算机科学 2025-10-02 Kaiwen Yu , Mengying Sun , Zhijin Qin , Xiaodong Xu , Ping Yang , Yue Xiao , Gang Wu

Aerial communication is gradually taking an assertive role within common societal behaviors by means of unmanned aerial vehicles (UAVs), high-altitude platforms (HAPs), and fixed-wing aircrafts (FWAs). Such devices can assist general…

信息论 · 计算机科学 2022-05-19 Francesco Devoti , Placido Mursia , Vincenzo Sciancalepore , Xavier Costa-Perez

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,…

机器学习 · 计算机科学 2025-07-10 Lei Guo , Wei Chen , Yuxuan Sun , Bo Ai , Nikolaos Pappas , Tony Q. S. Quek

The reconfigurable intelligent surface (RIS) technology shows great potential in sixth-generation (6G) terrestrial and non-terrestrial networks (NTNs) since it can effectively change wireless settings to improve connectivity. Extensive…

信号处理 · 电气工程与系统科学 2025-02-25 Wali Ullah Khan , Eva Lagunas , Asad Mahmood , Muhammad Asif , Manzoor Ahmed , Symeon Chatzinotas

Reconfigurable intelligent surfaces (RISs) bring great potential to the advancement of 6G and beyond wireless communication technologies. RISs introduce a great degree of flexibility, allowing some sort of virtual control over the wireless…

信号处理 · 电气工程与系统科学 2024-01-10 Ali Tugberk Dogukan , Emre Arslan , Ertugrul Basar

Semantic communication has gained significant attention from researchers as a promising technique to replace conventional communication in the next generation of communication systems, primarily due to its ability to reduce communication…

信息论 · 计算机科学 2025-02-07 Loc X. Nguyen , Ye Lin Tun , Yan Kyaw Tun , Minh N. H. Nguyen , Chaoning Zhang , Zhu Han , Choong Seon Hong

Goal-oriented communications offer an attractive alternative to the Shannon-based communication paradigm, where the data is never reconstructed at the Receiver (RX) side. Rather, focusing on the case of edge inference, the Transmitter (TX)…

信号处理 · 电气工程与系统科学 2025-12-24 Kyriakos Stylianopoulos , Paolo Di Lorenzo , George C. Alexandropoulos

Recent advances in the fabrication and experimentation of Reconfigurable Intelligent Surfaces (RISs) have motivated the concept of the smart radio environment, according to which the propagation of information-bearing waveforms in the…

信息论 · 计算机科学 2021-07-27 George C. Alexandropoulos , Nir Shlezinger , Philipp del Hougne

In the past as well as present wireless communication systems, the wireless propagation environment is regarded as an uncontrollable black box that impairs the received signal quality, and its negative impacts are compensated for by relying…

信号处理 · 电气工程与系统科学 2022-09-14 Cunhua Pan , Gui Zhou , Kangda Zhi , Sheng Hong , Tuo Wu , Yijin Pan , Hong Ren , Marco Di Renzo , A. Lee Swindlehurst , Rui Zhang , Angela Yingjun Zhang

Reconfigurable Intelligent Surfaces (RIS) emerge as promising technologies in future radar and wireless communication domains. This letter addresses the passive sensing issue utilizing wireless communication signals and RIS amidst…

信号处理 · 电气工程与系统科学 2024-02-22 Peng Chen , Zhimin Chen , Pu Miao , Yun Chen

Semantic communications (SemCom) is a promising paradigm that prioritizes the transmission of task-relevant information, thereby enabling superior communication efficiency over traditional bit-centric systems. However, most existing SemCom…

信息论 · 计算机科学 2026-04-28 Jinbao Li , Jiancheng An , Hao Liu , Lu Gan , Victor C. M. Leung , Mehdi Bennis , Mérouane Debbah

Reconfigurable intelligent surfaces (RISs), which can deliberately adjust the phase of incident waves, have shown enormous potentials to reconfigure the signal propagation for performance enhancement. In this paper, we investigate the…

信号处理 · 电气工程与系统科学 2020-11-02 Zhengyi Zhou , Ning Ge , Wendong Liu , Zhaocheng Wang

With the evolution of the 5G, 6G and beyond, device-to-device (D2D) communication has been developed as an energy-, and spectrum-efficient solution. In cellular network, D2D links need to share the same spectrum resources with the cellular…

信息论 · 计算机科学 2020-07-03 Yali Chen , Bo Ai , Hongliang Zhang , Yong Niu , Lingyang Song , Zhu Han , H. Vincent Poor

Radio Access Network (RAN) is a bridge between user devices and the core network in mobile communication systems, responsible for the transmission and reception of wireless signals and air interface management. In recent years, Semantic…

信号处理 · 电气工程与系统科学 2025-12-25 Rui Meng , Zixuan Huang , Jingshu Yan , Mengying Sun , Yiming Liu , Chenyuan Feng , Xiaodong Xu , Zhidi Zhang , Song Gao , Ping Zhang , Tony Q. S. Quek

Wireless connectivity has traditionally been regarded as an opaque data pipe carrying messages, whose context-dependent meaning and effectiveness have been ignored. Nevertheless, in emerging cyber-physical and autonomous networked systems,…

信息论 · 计算机科学 2021-03-11 Marios Kountouris , Nikolaos Pappas