English
Related papers

Related papers: Attention Aided CSI Wireless Localization

200 papers

Localization services for wireless devices play an increasingly important role in our daily lives and a plethora of emerging services and applications already rely on precise position information. Widely used on-device positioning methods,…

Signal Processing · Electrical Eng. & Systems 2024-01-17 Pengzhi Huang , Emre Gönültaş , Maximilian Arnold , K. Pavan Srinath , Jakob Hoydis , Christoph Studer

In the realm of reconfigurable intelligent surface (RIS)-assisted wireless communications, efficient channel state information (CSI) feedback is paramount. This paper introduces RIS-CoCsiNet, a novel deep learning-based framework designed…

Information Theory · Computer Science 2024-10-30 Jiajia Guo , Xi Yang , Chao-Kai Wen , Shi Jin , Geoffrey Ye Li

Taking advantage of the rich information provided by Wi-Fi measurement setups, Wi-Fi-based human behavior sensing leveraging Channel State Information (CSI) measurements has received a lot of research attention in recent years. The…

Human-Computer Interaction · Computer Science 2021-08-03 Lingchao Guo , Zhaoming Lu , Xiangming Wen , Liming Wang , David Gesbert , Zijun Han

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

Accurate and efficient estimation of Channel State Information (CSI) is critical for next-generation wireless systems operating under non-stationary conditions, where user mobility, Doppler spread, and multipath dynamics rapidly alter…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-11-04 Muhammad Ahmed Mohsin , Muhammad Umer , Ahsan Bilal , Hassan Rizwan , Sagnik Bhattacharya , Muhammad Ali Jamshed , John M. Cioffi

Traditional localization algorithms based on features such as time difference of arrival are impaired by non-line of sight propagation, which negatively affects the consistency that they expect among distance estimates. Instead,…

Optimization and Control · Mathematics 2022-04-25 Pham Q. Viet , Daniel Romero

This work introduces DeepCRF, a deep learning framework designed for channel state information-based radio frequency fingerprinting (CSI-RFF). The considered CSI-RFF is built on micro-CSI, a recently discovered radio-frequency (RF)…

Signal Processing · Electrical Eng. & Systems 2024-03-26 Ruiqi Kong , He Chen

Wi-Fi gesture recognition based on Channel State Information (CSI) is challenged by high-dimensional noise and resource constraints on edge devices. Prevailing end-to-end models tightly couple feature extraction with classification,…

Networking and Internet Architecture · Computer Science 2026-01-21 N. Zhang

Indoor localization is of particular interest due to its immense practical applications. However, the rich multipath and high penetration loss of indoor wireless signal propagation make this task arduous. Though recently studied…

Signal Processing · Electrical Eng. & Systems 2019-08-07 Guojun Xiong , Taejoon Kim , Erik Perrins

Reconfigurable Intelligent Surfaces (RISs) comprised of tunable unit elements have been recently considered in indoor communication environments for focusing signal reflections to intended user locations. However, the current proofs of…

Information Theory · Computer Science 2019-05-21 Chongwen Huang , George C. Alexandropoulos , Chau Yuen , Mérouane Debbah

Time division duplexing (TDD) has become the dominant duplexing mode in 5G and beyond due to its ability to exploit channel reciprocity for efficient downlink channel state information (CSI) acquisition. However, channel aging caused by…

Signal Processing · Electrical Eng. & Systems 2025-10-29 Francisco Díaz-Ruiz , Francisco J. Martín-Vega , José Antonio Cortés , Gerardo Gómez , Mari Carmen Aguayo-Torres

In a multiple-input multiple-output (MIMO) system, the availability of channel state information (CSI) at the transmitter is essential for performance improvement. Recent convolutional neural network (NN) based techniques show competitive…

Information Theory · Computer Science 2018-11-20 Chao Lu , Wei Xu , Hong Shen , Jun Zhu , Kezhi Wang

This paper shows that deep neural network (DNN) can be used for efficient and distributed channel estimation, quantization, feedback, and downlink multiuser precoding for a frequency-division duplex massive multiple-input multiple-output…

Information Theory · Computer Science 2021-01-27 Foad Sohrabi , Kareem M. Attiah , Wei Yu

Movable antenna (MA) has attracted increasing attention in wireless communications due to its capability of wireless channel reconfiguration through local antenna movement within a confined region at the transmitter/receiver. However, to…

Signal Processing · Electrical Eng. & Systems 2025-05-28 Yitai Huang , Weidong Mei , Xin Wei , Zhi Chen , Boyu Ning

Deep Neural Networks (DNNs) are getting increasing attention to deal with Land Cover Classification (LCC) relying on Satellite Image Time Series (SITS). Though high performances can be achieved, the rationale of a prediction yielded by a…

Computer Vision and Pattern Recognition · Computer Science 2021-04-01 Hermann Courteille , A. Benoît , N Méger , A Atto , D. Ienco

Reducing feedback overhead in beyond 5G networks is a critical challenge, as the growing number of antennas in modern massive MIMO systems substantially increases the channel state information (CSI) feedback demand in frequency division…

Systems and Control · Electrical Eng. & Systems 2026-02-24 Sehyun Ryu , Hyun Jong Yang

Achieving ubiquitous high-accuracy localization is crucial for next-generation wireless systems, yet remains challenging in multipath-rich urban environments. By exploiting the fine-grained multipath characteristics embedded in channel…

Signal Processing · Electrical Eng. & Systems 2026-02-03 Tong An , Huan Lu , Jiayang Shi , Kai Yu , Rongrong Zhu , Bin Zheng , Jiwei Zhao , Haibo Zhou

Most recent gains in visual recognition have originated from the inclusion of attention mechanisms in deep convolutional networks (DCNs). Because these networks are optimized for object recognition, they learn where to attend using only a…

Computer Vision and Pattern Recognition · Computer Science 2019-06-12 Drew Linsley , Dan Shiebler , Sven Eberhardt , Thomas Serre

The increasing demand for sensing, collecting, transmitting, and processing vast amounts of data poses significant challenges for resource-constrained mobile users, thereby impacting the performance of wireless networks. In this regard,…

Networking and Internet Architecture · Computer Science 2024-07-23 Yaoqi Yang , Hongyang Du , Zehui Xiong , Dusit Niyato , Abbas Jamalipour , Zhu Han

Most prior works on deep learning-based wireless device classification using radio frequency (RF) data apply off-the-shelf deep neural network (DNN) models, which were matured mainly for domains like vision and language. However, wireless…

Signal Processing · Electrical Eng. & Systems 2021-05-07 Bechir Hamdaoui , Abdurrahman Elmaghbub , Seifeddine Mejri
‹ Prev 1 3 4 5 6 7 10 Next ›