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Semantic communication is a new paradigm that aims at providing more efficient communication for the next-generation wireless network. It focuses on transmitting extracted, meaningful information instead of the raw data. However, deep…

Social and Information Networks · Computer Science 2025-01-09 Yang Li , Xinyu Zhou , Jun Zhao

The surge in connected devices in 6G with typical complex tasks requiring multi-user cooperation, such as smart agriculture and smart cities, poses significant challenges to unsustainable traditional communication. Fortunately, the booming…

Networking and Internet Architecture · Computer Science 2025-02-24 Wanting Yang , Zehui Xiong , Shiwen Mao , Tony Q. S. Quek , Ping Zhang , Merouane Debbah , Rahim Tafazolli

Stacked intelligent metasurface (SIM) is a promising enabler for next-generation high-capacity networks that exhibit better performance compared to its single-layer counterpart by means of just wave propagation. However, the study of…

Information Theory · Computer Science 2025-10-24 Anastasios Papazafeiropoulos , Pandelis Kourtessis , Dimitra I. Kaklamani , Iakovos S. Venieris

In the evolving landscape of wireless communications, semantic communication (SemCom) has recently emerged as a 6G enabler that prioritizes the transmission of meaning and contextual relevance over conventional bit-centric metrics. However,…

Networking and Internet Architecture · Computer Science 2025-01-23 Hazem Barka , Georges Kaddoum , Mehdi Bennis , Md Sahabul Alam , Minh Au

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

Generative foundation models can revolutionize the design of semantic communication (SemCom) systems allowing high fidelity exchange of semantic information at ultra low rates. In this work, a generative SemCom framework with pretrained…

Signal Processing · Electrical Eng. & Systems 2025-01-15 Chunmei Xu , Mahdi Boloursaz Mashhadi , Yi Ma , Rahim Tafazolli , Jiangzhou Wang

The primary challenge in autonomous lunar landing missions lies in the unreliable local control system, which has limited capacity to handle high-dynamic conditions, severely affecting landing precision and safety. Recent advancements in…

Networking and Internet Architecture · Computer Science 2025-10-22 Fangzhou Zhao , Yao Sun , Jianglin Lan , Muhammad Ali Imran

We investigate the achievable rate (AR) of a stacked intelligent metasurface (SIM)-aided holographic multiple-input multiple-output (HMIMO) system by jointly optimizing the SIM phase shifts and power allocation. Contrary to earlier studies…

Signal Processing · Electrical Eng. & Systems 2025-08-14 Eduard E. Bahingayi , Nemanja Stefan Perović , Le-Nam Tran

The recent emergence of 6G raises the challenge of increasing the transmission data rate even further in order to break the barrier set by the Shannon limit. Traditional communication methods fall short of the 6G goals, paving the way for…

Networking and Internet Architecture · Computer Science 2024-01-02 Sachin Kadam , Dong In Kim

Integrated sensing and communication (ISAC) is a promising paradigm to provide both sensing and communication (S&C) services in vehicular networks. However, the power of echo signals reflected from vehicles may be too weak to be used for…

Information Theory · Computer Science 2023-05-23 Kaitao Meng , Qingqing Wu , Wen Chen , Enrico Paolini , Elisabetta Matricardi

Semantic Edge Computing (SEC) and Semantic Communications (SemComs) have been proposed as viable approaches to achieve real-time edge-enabled intelligence in sixth-generation (6G) wireless networks. On one hand, SemCom leverages the…

Machine Learning · Computer Science 2025-07-24 Milin Zhang , Mohammad Abdi , Venkat R. Dasari , Francesco Restuccia

Satellite communications face severe bottlenecks in supporting high-fidelity synchronized audiovisual services, as conventional schemes struggle with cross-modal coherence under fluctuating channel conditions, limited bandwidth, and long…

Image and Video Processing · Electrical Eng. & Systems 2026-03-12 Fangyu Liu , Peiwen Jiang , Wenjin Wang , Chao-Kai Wen , Xiao Li , Shi Jin

Compared with the current Shannon's Classical Information Theory (CIT) paradigm, semantic communication (SemCom) has recently attracted more attention, since it aims to transmit the meaning of information rather than bit-by-bit…

Image and Video Processing · Electrical Eng. & Systems 2023-04-20 Bingxuan Xu , Rui Meng , Yue Chen , Xiaodong Xu , Chen Dong , Hao Sun

This paper develops an edge-device collaborative Generative Semantic Communications (Gen SemCom) framework leveraging pre-trained Multi-modal/Vision Language Models (M/VLMs) for ultra-low-rate semantic communication via textual prompts. The…

Information Theory · Computer Science 2025-05-05 Mengmeng Ren , Li Qiao , Long Yang , Zhen Gao , Jian Chen , Mahdi Boloursaz Mashhadi , Pei Xiao , Rahim Tafazolli , Mehdi Bennis

As three-dimensional acquisition technologies like LiDAR cameras advance, the need for efficient transmission of 3D point clouds is becoming increasingly important. In this paper, we present a novel semantic communication (SemCom) approach…

Emerging Technologies · Computer Science 2025-05-13 Shangzhuo Xie , Qianqian Yang , Yuyi Sun , Tianxiao Han , Zhaohui Yang , Zhiguo Shi

Semantic communication emphasizes the transmission of meaning rather than raw symbols. It offers a promising solution to alleviate network congestion and improve transmission efficiency. In this paper, we propose a wireless image…

Signal Processing · Electrical Eng. & Systems 2025-07-17 Chen Zhu , Siyun Liang , Zhouxiang Zhao , Jianrong Bao , Zhaohui Yang , Zhaoyang Zhang , Dusit Niyato

Wireless networks are undergoing a transformative shift, driven by the crucial factors of cost effectiveness and sustainability. Digital coding metasurfaces (DCMs) might play a key role in realizing cost-effective digital modulators by…

Signal Processing · Electrical Eng. & Systems 2024-06-18 Francesco Verde , Vincenzo Galdi , Lei Zhang , Tie Jun Cui

As one of the most promising technologies for intellicise (intelligent and consice) wireless networks, Semantic Communication (SemCom) significantly improves communication efficiency by extracting, transmitting, and recovering semantic…

Signal Processing · Electrical Eng. & Systems 2026-01-28 Rui Meng , Song Gao , Haixiao Gao , Yinqiu Liu , Ruichen Zhang , Mengying Sun , Xiaodong Xu , Ping Zhang , Dusit Niyato

Advancements in text-to-image generative AI with large multimodal models are spreading into the field of image compression, creating high-quality representation of images at extremely low bit rates. This work introduces novel components to…

Image and Video Processing · Electrical Eng. & Systems 2025-06-02 Cheng-Lin Wu , Hyomin Choi , Ivan V. Bajić

Flexible Intelligent Metasurfaces (FIMs) enable wireless systems to adapt their three-dimensional geometry through morphing, thereby providing new spatial degrees of freedom. However, continuous deformation complicates the accurate…

Signal Processing · Electrical Eng. & Systems 2026-05-29 Vinícius L. Romano , André L. F. de Almeida , Daniel C. Araújo