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Related papers: SCA-LLM: Spectral-Attentive LLM-Based Wireless Wor…

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This letter studies the sensing-assisted channel prediction for a multi-antenna orthogonal frequency division multiplexing (OFDM) system operating in realistic and complex wireless environments. In this system,an integrated sensing and…

Signal Processing · Electrical Eng. & Systems 2025-05-15 Junjie He , Zixiang Ren , Jianping Yao , Han Hu , Tony Xiao Han , Jie Xu

Accurate channel prediction and effective beamforming are essential for low Earth orbit (LEO) satellite communications to enhance system capacity and enable high-speed connectivity. Most existing channel prediction and predictive…

Signal Processing · Electrical Eng. & Systems 2025-10-14 Zhixiong Chen , Hyundong Shin , Arumugam Nallanathan , Jonathon Chambers

In high-mobility 6G scenarios, rapidly time-varying channels lead to very short coherence times, which makes conventional pilot-based channel state information (CSI) estimation approaches prone to outdated information or excessive pilot…

Signal Processing · Electrical Eng. & Systems 2026-04-07 Mohsen Kazemian , Jürgen Jasperneite

Downlink channel temporal prediction is a critical technology in massive multiple-input multiple-output (MIMO) systems. However, existing methods that rely on fixed-step historical sequences significantly limit the accuracy, practicality,…

Information Theory · Computer Science 2024-09-04 Shilong Fan , Zhenyu Liu , Xinyu Gu , Haozhen Li

There is growing interest in enabling wireless sensing systems to interpret human motion from unsegmented wireless signals; however, existing CSI-based applications rely heavily on accurate signal segmentation and predefined action labels,…

Networking and Internet Architecture · Computer Science 2026-05-15 Mahmuda Keya , Sneh Pillai , Jiawei Yuan , Kai Zeng , Long Jiao

Recent works have demonstrated that attention-based transformer and large language model (LLM) architectures can achieve strong channel state prediction (CSP) performance by capturing long-range temporal dependencies across channel state…

Information Theory · Computer Science 2026-04-27 Aladin Djuhera , Haris Gacanin , Holger Boche

Accurate channel prediction is essential in massive multiple-input multiple-output (m-MIMO) systems to improve precoding effectiveness and reduce the overhead of channel state information (CSI) feedback. However, existing methods often…

Signal Processing · Electrical Eng. & Systems 2025-11-18 Zhaoyang Li , Qianqian Yang , Zehui Xiong , Zhiguo Shi , Tony Q. S. Quek

Adaptive modulation and coding (AMC) is a key technology in 5G new radio (NR), enabling dynamic link adaptation by balancing transmission efficiency and reliability based on channel conditions. However, traditional methods often suffer from…

Signal Processing · Electrical Eng. & Systems 2025-11-25 Xinyu Pan , Boxun Liu , Xiang Cheng , Chen Chen

Artificial intelligence (AI) has emerged as a promising tool for channel state information (CSI) feedback. While recent research primarily focuses on improving feedback accuracy on a specific dataset through novel architectures, the…

Information Theory · Computer Science 2025-04-10 Jiajia Guo , Yiming Cui , Chao-Kai Wen , Shi Jin

Channel state information (CSI) is a fundamental component in both wireless communication and sensing systems, enabling critical functions such as radio resource optimization and environmental perception. In wireless sensing, data scarcity…

Machine Learning · Computer Science 2025-12-09 Zijian Zhao , Fanyi Meng , Zhonghao Lyu , Hang Li , Xiaoyang Li , Guangxu Zhu

The efficient operation of modern cellular networks hinges on the accurate analysis of spatio-temporal traffic data. Mastering these patterns is essential for core network functions, chiefly forecasting future load to pre-empt congestion…

Machine Learning · Computer Science 2026-05-13 Yichen Zhang , Jun Li

Channel prediction is an effective approach for reducing the feedback or estimation overhead in massive multi-input multi-output (m-MIMO) systems. However, existing channel prediction methods lack precision due to model mismatch errors or…

Signal Processing · Electrical Eng. & Systems 2024-06-21 Boxun Liu , Xuanyu Liu , Shijian Gao , Xiang Cheng , Liuqing Yang

Segmented pinching antenna assisted integrated sensing and communication (ISAC) systems enable flexible spatial resource utilization by allowing different waveguide segments to be dynamically configured for transmission and reception.…

Signal Processing · Electrical Eng. & Systems 2026-04-14 Qian Gao , Ruikang Zhong , Yuanwei Liu

Accurate and efficient channel state information (CSI) feedback is crucial for unlocking the substantial spectral efficiency gains of extremely large-scale MIMO (XL-MIMO) systems in future 6G networks. However, the combination of near-field…

Information Theory · Computer Science 2025-08-04 Zhenyu Liu , Yi Ma , Rahim Tafazolli

Accurate channel state information (CSI) is critical to the performance of wireless communication systems, especially with the increasing scale and complexity introduced by 5G and future 6G technologies. While artificial intelligence (AI)…

Information Theory · Computer Science 2025-07-08 Jiajia Guo , Peiwen Jiang , Chao-Kai Wen , Shi Jin , Jun Zhang

Accurate beam prediction is a key enabler for next-generation wireless communication systems. In this paper, we propose a multimodal large language model (LLM)-based beam prediction framework that effectively utilizes contextual…

Signal Processing · Electrical Eng. & Systems 2026-03-24 Tianhao Mao , Le Liang , Jie Yang , Xiao Li , Shi Jin , Geoffrey Ye Li

Large artificial intelligence models (LAMs) have shown strong capability in wireless communications, yet existing works mainly rely on their generalized knowledge across environments while overlooking the potential gains of…

Information Theory · Computer Science 2025-12-16 Yiming Cui , Jiajia Guo , Xiao Li , Chao-Kai Wen , Shi Jin

The advance of Artificial Intelligence (AI) is continuously reshaping the future 6G wireless communications. Particularly, the development of Large Language Models (LLMs) offers a promising approach to effectively improve the performance…

Information Theory · Computer Science 2025-03-10 Tianyue Zheng , Linglong Dai

Integrating AI into the physical layer is a cornerstone of 6G networks. However, current data-driven approaches struggle to generalize across dynamic environments because they lack an intrinsic understanding of electromagnetic wave…

Networking and Internet Architecture · Computer Science 2026-03-27 Ziqi Chen , Yi Ren , Yixuan Huang , Qi Sun , Nan Li , Yuhong Huang , Chih-Lin I , Yifan Li , Liang Xia

This paper proposes FAS-LLM, a novel large language model (LLM)-based architecture for predicting future channel states in Orthogonal Time Frequency Space (OTFS)-enabled satellite downlinks equipped with fluid antenna systems (FAS). The…

Signal Processing · Electrical Eng. & Systems 2025-05-16 Halvin Yang , Sangarapillai Lambotharan , Mahsa Derakhshani
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