English
Related papers

Related papers: Bridging the Modality Gap: Enhancing Channel Predi…

200 papers

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

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

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

Identifying wireless modulation schemes is essential for cognitive radio, but standard supervised models often degrade under distribution shift, and training domain-specific wireless foundation models from scratch is computationally…

Machine Learning · Computer Science 2026-03-30 Mohammad Rostami , Atik Faysal , Reihaneh Gh. Roshan , Huaxia Wang , Nikhil Muralidhar , Yu-Dong Yao

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coherence times, which makes conventional pilot-based channel state information (CSI) estimation approaches prone to outdated information or excessive pilot…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

Large language models (LLMs) have achieved remarkable success across a wide range of tasks, particularly in natural language processing and computer vision. This success naturally raises an intriguing yet unexplored question: Can LLMs be…

Information Theory · Computer Science 2025-01-22 Yiming Cui , Jiajia Guo , Chao-Kai Wen , Shi Jin , En Tong

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

Acquiring accurate channel state information (CSI) at an access point (AP) is challenging for wideband millimeter wave (mmWave) ultra-massive multiple-input and multiple-output (UMMIMO) systems, due to the high-dimensional channel matrices,…

Information Theory · Computer Science 2024-03-20 Kuiyu Wang , Zhen Gao , Sheng Chen , Boyu Ning , Gaojie Chen , Yu Su , Zhaocheng Wang , H. Vincent Poor

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

Despite the success of large language models (LLMs) across domains, their potential for efficient channel state information (CSI) compression and feedback in frequency division duplex (FDD) massive multiple-input multiple-output (mMIMO)…

Information Theory · Computer Science 2026-03-05 Jie Wu , Wei Xu , Le Liang , Xiaohu You , Mérouane Debbah

Large Language Models (LLMs) can be adapted to extend their text capabilities to speech inputs. However, these speech-adapted LLMs consistently underperform their text-based counterparts--and even cascaded pipelines--on language…

Computation and Language · Computer Science 2026-02-24 Santiago Cuervo , Skyler Seto , Maureen de Seyssel , Richard He Bai , Zijin Gu , Tatiana Likhomanenko , Navdeep Jaitly , Zakaria Aldeneh

Federated learning (FL) for large language models (LLMs) offers a privacy-preserving scheme, enabling clients to collaboratively fine-tune locally deployed LLMs or smaller language models (SLMs) without exchanging raw data. While…

Machine Learning · Computer Science 2025-10-02 Xinlu Zhang , Na Yan , Yang Su , Yansha Deng , Toktam Mahmoodi

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

Large Language Models (LLMs) have shown outstanding performance across wide range of downstream tasks. This competency is attributed to their substantial parameter size and pre-training on extensive corpus. Moreover, LLMs have exhibited…

Computation and Language · Computer Science 2023-08-10 Yuhan Ma , Haiqi Jiang , Chenyou Fan

Massive multiple-input multiple-output (MIMO) technology is a key enabler of modern wireless communication systems, which demand accurate downlink channel state information (CSI) for optimal performance. Although deep learning (DL) has…

Signal Processing · Electrical Eng. & Systems 2025-05-14 Ruonan Ren , Jianhua Mo , Meixia Tao

Sequential recommender systems have achieved significant success in modeling temporal user behavior but remain limited in capturing rich user semantics beyond interaction patterns. Large Language Models (LLMs) present opportunities to…

Transformer-based large language models (LLMs) rely on contextual embeddings which generate different (continuous) representations for the same token depending on its surrounding context. Nonetheless, words and tokens typically have a…

Computation and Language · Computer Science 2025-07-10 Qitong Wang , Mohammed J. Zaki , Georgios Kollias , Vasileios Kalantzis

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

Large-scale models (LSMs) can be an effective framework for semantic representation and understanding, thereby providing a suitable tool for designing semantic communication (SC) systems. However, their direct deployment is often hindered…

Machine Learning · Computer Science 2025-08-26 Kuiyuan Ding , Caili Guo , Yang Yang , Zhongtian Du , Walid Saad

As the real propagation environment becomes in creasingly complex and dynamic, millimeter wave beam prediction faces huge challenges. However, the powerful cross modal representation capability of vision-language model (VLM) provides a…

Signal Processing · Electrical Eng. & Systems 2025-08-18 Ji Wang , Bin Tang , Jian Xiao , Qimei Cui , Xingwang Li , Tony Q. S. Quek
‹ Prev 1 2 3 10 Next ›