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In this paper, the problem of joint transmission and computation resource allocation for a multi-user probabilistic semantic communication (PSC) network is investigated. In the considered model, users employ semantic information extraction…

Information Theory · Computer Science 2025-04-09 Zhouxiang Zhao , Zhaohui Yang , Mingzhe Chen , Zhaoyang Zhang , H. Vincent Poor

In this work, we investigate a multistatic MIMO-OFDM joint sensing and communication (JSC) system that leverages cooperation among spatially distributed base stations (BSs) to detect and localize multiple targets through soft fusion of…

Signal Processing · Electrical Eng. & Systems 2025-03-31 Elisabetta Matricardi , Lorenzo Pucci , Elia Favarelli , Enrico Paolini , Andrea Giorgetti

With recent advances in Large Language Models (LLMs), Agentic AI has become phenomenal in real-world applications, moving toward multiple LLM-based agents to perceive, learn, reason, and act collaboratively. These LLM-based Multi-Agent…

Artificial Intelligence · Computer Science 2025-01-14 Khanh-Tung Tran , Dung Dao , Minh-Duong Nguyen , Quoc-Viet Pham , Barry O'Sullivan , Hoang D. Nguyen

This work is concerned with robust distributed multi-view image transmission over a severe fading channel with imperfect channel state information (CSI), wherein the sources are slightly correlated. Since the signals are further distorted…

Signal Processing · Electrical Eng. & Systems 2026-04-15 Biao Dong , Bin Cao , Guan Gui , Qinyu Zhang

The design of zero-delay Joint Source-Channel Coding (JSCC) schemes for the transmission of correlated information over fading Multiple Access Channels (MACs) is an interesting problem for many communication scenarios like Wireless Sensor…

Information Theory · Computer Science 2024-01-31 O. Fresnedo , P. Suárez-Casal , L. Castedo

Multi-agent systems (MAS) utilizing multiple Large Language Model agents with Retrieval Augmented Generation and that can execute code locally may become beneficial in cosmological data analysis. Here, we illustrate a first small step…

Instrumentation and Methods for Astrophysics · Physics 2024-12-04 Andrew Laverick , Kristen Surrao , Inigo Zubeldia , Boris Bolliet , Miles Cranmer , Antony Lewis , Blake Sherwin , Julien Lesgourgues

We propose a hybrid joint source-channel coding (JSCC) scheme, in which the conventional digital communication scheme is complemented with a generative refinement component to improve the perceptual quality of the reconstruction. The input…

Information Theory · Computer Science 2023-08-17 Xueyan Niu , Xu Wang , Deniz Gündüz , Bo Bai , Weichao Chen , Guohua Zhou

In conventional joint communications and sensing (JCAS) designs for multi-carrier multiple-input multiple-output (MIMO) systems, the dual-functional waveforms are often optimized for the whole frequency band, resulting in limited…

Information Theory · Computer Science 2023-06-27 Nhan Thanh Nguyen , Nir Shlezinger , Khac-Hoang Ngo , Van-Dinh Nguyen , Markku Juntti

In this paper, we investigate a joint source-channel encoding (JSCE) scheme in an intelligent reflecting surface (IRS)-assisted multi-user semantic communication system. Semantic encoding not only compresses redundant information, but also…

Signal Processing · Electrical Eng. & Systems 2025-04-11 Haidong Wang , Songhan Zhao , Lanhua Li , Bo Gu , Jing Xu , Shimin Gong , Jiawen Kang

This paper addresses the unsourced/uncoordinated random access problem in an integrated sensing and communications (ISAC) system, with a focus on uplink multiple access code design. Recent theoretical advancements highlight that an ISAC…

Information Theory · Computer Science 2025-04-25 Zhentian Zhang , Jian Dang , Kai-Kit Wong , Zaichen Zhang , Christos Masouros

The growing demand for efficient semantic communication systems capable of managing diverse tasks and adapting to fluctuating channel conditions has driven the development of robust, resource-efficient frameworks. This article introduces a…

Computer Vision and Pattern Recognition · Computer Science 2025-02-13 Xiang Chen , Shuying Gan , Chenyuan Feng , Xijun Wang , Tony Q. S. Quek

Recent advances in deep learning (DL)-based joint source-channel coding (JSCC) have enabled efficient semantic communication in dynamic wireless environments. Among these approaches, vector quantization (VQ)-based JSCC effectively maps…

Signal Processing · Electrical Eng. & Systems 2026-02-17 Eunsoo Kim , Yoon Huh , Wan Choi

In multi-agent systems, agents possess only local observations of the environment. Communication between teammates becomes crucial for enhancing coordination. Past research has primarily focused on encoding local information into embedding…

Multiagent Systems · Computer Science 2023-11-09 Peihong Yu , Bhoram Lee , Aswin Raghavan , Supun Samarasekara , Pratap Tokekar , James Zachary Hare

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

In Earth observation (EO) missions with Low Earth orbit (LEO) satellites, high-resolution image acquisition generates a massive data volume that poses a significant challenge for transmission under the limited satellite power budget, while…

Signal Processing · Electrical Eng. & Systems 2026-03-13 Hung Nguyen-Kha , Ti Ti Nguyen , Vu Nguyen Ha , Eva Lagunas , Symeon Chatzinotas , Bjorn Ottersten

Edge-device co-inference refers to deploying well-trained artificial intelligent (AI) models at the network edge under the cooperation of devices and edge servers for providing ambient intelligent services. For enhancing the utilization of…

Information Theory · Computer Science 2023-08-15 Zeming Zhuang , Dingzhu Wen , Yuanming Shi , Guangxu Zhu , Sheng Wu , Dusit Niyato

Semantic communication is emerging as the next pillar in wireless communication technology due to its transformative capabilities in reducing communication overhead, enhancing robustness, and enabling intelligent information exchange. The…

Information Theory · Computer Science 2025-10-08 Loc X. Nguyen , Avi Deb Raha , Pyae Sone Aung , Dusit Niyato , Zhu Han , Choong Seon Hong

Metaverse over wireless networks is an emerging use case of the sixth generation (6G) wireless systems, posing unprecedented challenges in terms of its multi-modal data transmissions with stringent latency and reliability requirements.…

Networking and Internet Architecture · Computer Science 2022-12-15 Jihong Park , Jinho Choi , Seong-Lyun Kim , Mehdi Bennis

Reliable detection of surrounding objects is critical for the safe operation of connected automated vehicles (CAVs). However, inherent limitations such as the restricted perception range and occlusion effects compromise the reliability of…

Signal Processing · Electrical Eng. & Systems 2025-07-02 Jipeng Gan , Yucheng Sheng , Hua Zhang , Le Liang , Hao Ye , Chongtao Guo , Shi Jin

We propose a novel joint decoding technique for distributed source-channel (DSC) coded systems for transmission of correlated binary Markov sources over additive white Gaussian noise (AWGN) channels. In the proposed scheme, relatively…

Information Theory · Computer Science 2013-08-02 Reza Asvadi , Tad Matsumoto , Markku Juntti
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