English
Related papers

Related papers: Stacked Intelligent Metasurfaces for Task-Oriented…

200 papers

Semantic communication (SemCom) aims to convey the meaning behind a transmitted message by transmitting only semantically-relevant information. This semantic-centric design helps to minimize power usage, bandwidth consumption, and…

Signal Processing · Electrical Eng. & Systems 2023-04-26 Tilahun M. Getu , Georges Kaddoum , Mehdi Bennis

A large body of recent work targets semantically conditioned image generation. Most such methods focus on the narrower task of pose transfer and ignore the more challenging task of subject transfer that consists in not only transferring the…

Computer Vision and Pattern Recognition · Computer Science 2022-10-11 Nicolas Dufour , David Picard , Vicky Kalogeiton

In this paper, we develop a deep learning based semantic communication system for speech transmission, named DeepSC-ST. We take the speech recognition and speech synthesis as the transmission tasks of the communication system, respectively.…

Audio and Speech Processing · Electrical Eng. & Systems 2023-04-03 Zhenzi Weng , Zhijin Qin , Xiaoming Tao , Chengkang Pan , Guangyi Liu , Geoffrey Ye Li

In this paper, we investigate high-altitude platform station (HAPS) wireless networks for simultaneous non-orthogonal unicast and multicast transmissions. Specifically, stacked intelligent metasurface (SIM)-based wave-domain beamforming is…

Signal Processing · Electrical Eng. & Systems 2026-04-07 Ngoc Phuc Le , Mohamed-Slim Alouini

This work develops a physically consistent model for stacked intelligent metasurfaces (SIM) using multiport network theory and transfer scattering parameters (T-parameters). Unlike the scattering parameters (S-parameters) model, the…

Signal Processing · Electrical Eng. & Systems 2025-04-11 Hamad Yahya , Matteo Nerini , Bruno Clerckx , Merouane Debbah

Semantic communications have gained significant attention as a promising approach to address the transmission bottleneck, especially with the continuous development of 6G techniques. Distinct from the well investigated physical channel…

Signal Processing · Electrical Eng. & Systems 2024-03-15 Xiang Peng , Zhijin Qin , Xiaoming Tao , Jianhua Lu , Khaled B. Letaief

We address the fundamental question of how to optimally probe a scene with electromagnetic (EM) radiation to yield a maximum amount of information relevant to a particular task. Machine learning (ML) techniques have emerged as powerful…

In light of the diminishing returns of traditional methods for enhancing transmission rates, the domain of semantic communication presents promising new frontiers. Focusing on image transmission, this paper explores the application of…

Computer Vision and Pattern Recognition · Computer Science 2023-06-06 Shehbaz Tariq , Brian Estadimas Arfeto , Chaoning Zhang , Hyundong Shin

Existing deep learning-enabled semantic communication systems often rely on shared background knowledge between the transmitter and receiver that includes empirical data and their associated semantic information. In practice, the semantic…

Information Theory · Computer Science 2022-10-19 Hongwei Zhang , Shuo Shao , Meixia Tao , Xiaoyan Bi , Khaled B. Letaief

Stacked intelligent metasurfaces (SIMs) have recently emerged as a key enabler for realizing electromagnetic wave-domain signal processing in next-generation wireless networks. However, practical SIM implementations often suffer from…

Signal Processing · Electrical Eng. & Systems 2026-03-10 Xing Jia , Hao Liu , Haoxian Niu , Jinbao Li , Xiangyu Ding , Lu Gan

Semantic communication (SemCom), as a typical paradigm of deep integration between artificial intelligence (AI) and communication technology, significantly improves communication efficiency and resource utilization efficiency. However, the…

Signal Processing · Electrical Eng. & Systems 2025-09-08 Zhidi Zhang , Rui Meng , Song Gao , Haixiao Gao , Xiaodong Xu

The sixth-generation and beyond (B6G) networks are envisioned to support advanced applications that demand high-speed communication, high-precision sensing, and high-performance computing. To underpin this multi-functional evolution,…

Signal Processing · Electrical Eng. & Systems 2025-12-09 Xu Gan , Xidong Mu , Yuanwei Liu , Marco Di Renzo , Josep Miquel Jornet , Nuria González Prelcic , Arman Shojaeifard , Tie Jun Cui

Artificial intelligence (AI) promises to revolutionize the design, optimization and management of next-generation communication systems. In this article, we explore the integration of large AI models (LAMs) into semantic communications…

Artificial Intelligence · Computer Science 2025-03-31 Wanli Ni , Zhijin Qin , Haofeng Sun , Xiaoming Tao , Zhu Han

With the rapid advancement and deployment of intelligent agents and artificial general intelligence (AGI), a fundamental challenge for future networks is enabling efficient communications among agents. Unlike traditional human-centric,…

Networking and Internet Architecture · Computer Science 2024-12-03 Shaolong Guo , Yuntao Wang , Ning Zhang , Zhou Su , Tom H. Luan , Zhiyi Tian , Xuemin , Shen

In next-generation wireless networks, supporting real-time applications such as augmented reality, autonomous driving, and immersive Metaverse services demands stringent constraints on bandwidth, latency, and reliability. Existing semantic…

Networking and Internet Architecture · Computer Science 2025-05-30 Guangyuan Liu , Yinqiu Liu , Jiacheng Wang , Hongyang Du , Dusit Niyato , Jiawen Kang , Zehui Xiong , Abbas Jamalipour

Semantic communication (SemCom) emerges as a transformative paradigm for traffic-intensive visual data transmission, shifting focus from raw data to meaningful content transmission and relieving the increasing pressure on communication…

Image and Video Processing · Electrical Eng. & Systems 2026-02-02 Runze Cheng , Yao Sun , Ahmad Taha , Xuesong Liu , David Flynn , Muhammad Ali Imran

Diffractive neural networks, where signal processing is embedded into wave propagation, promise light-speed and energy-efficient computation. However, existing three-dimensional structures, such as stacked intelligent metasurfaces (SIMs),…

Signal Processing · Electrical Eng. & Systems 2025-12-02 Xiaokun Teng , Yanqing Ren , Weicong Chen , Wankai Tang , Xiao Li , Shi Jin

Semantic communication aims to transmit information most relevant to a task rather than raw data, offering significant gains in communication efficiency for applications such as telepresence, augmented reality, and remote sensing. Recent…

Machine Learning · Computer Science 2025-12-18 Matin Mortaheb , Erciyes Karakaya , Sennur Ulukus

Traditional single-modality sensing faces limitations in accuracy and capability, and its decoupled implementation with communication systems increases latency in bandwidth-constrained environments. Additionally, single-task-oriented…

Machine Learning · Computer Science 2025-03-13 Yubo Peng , Luping Xiang , Kun Yang , Feibo Jiang , Kezhi Wang , Dapeng Oliver Wu

The 6G mobile networks will feature the widespread deployment of AI algorithms at the network edge, which provides a platform for supporting robotic edge intelligence systems. In such a system, a large-scale knowledge graph (KG) is operated…

Information Theory · Computer Science 2024-09-23 Qunsong Zeng , Zhanwei Wang , You Zhou , Hai Wu , Lin Yang , Kaibin Huang