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Related papers: CSI-based Positioning in Massive MIMO systems usin…

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In massive multiple-input multiple-output (MIMO) system, channel state information (CSI) is essential for the base station to achieve high performance gain. Recently, deep learning is widely used in CSI compression to fight against the…

Information Theory · Computer Science 2020-11-06 Zhilin Lu , Jintao Wang , Jian Song

Because each indoor site has its own radio propagation characteristics, a site survey process is essential to optimize a Wi-Fi ranging strategy for range-based positioning solutions. This paper studies an unsupervised learning technique…

Networking and Internet Architecture · Computer Science 2020-07-14 Jeongsik Choi

To promote the practicality of deep learning-based localization, existing studies aim to address the issue of scenario dependence through meta-learning. However, these studies primarily focus on variations in environmental layouts while…

Machine Learning · Computer Science 2025-11-19 Qiqi Xiao , Ziqi Ye , Yinghui He , Jianwei Liu , Guanding Yu

Many performance gains achieved by massive multiple-input and multiple-output depend on the accuracy of the downlink channel state information (CSI) at the transmitter (base station), which is usually obtained by estimating at the receiver…

Signal Processing · Electrical Eng. & Systems 2024-10-28 Jiajia Guo , Chao-Kai Wen , Shi Jin , Geoffrey Ye Li

Deep learning has been used to tackle problems in wireless communication including signal detection, channel estimation, traffic prediction, and demapping. Achieving reasonable results with deep learning typically requires large datasets…

Signal Processing · Electrical Eng. & Systems 2024-08-30 Uyoata E. Uyoata , Ramoni O. Adeogun

Multi-frequency massive multi-input multi-output (MIMO) communication is a promising strategy for both 5G and future 6G systems, ensuring reliable transmission while enhancing frequency resource utilization. Statistical channel state…

Signal Processing · Electrical Eng. & Systems 2025-11-25 Jinke Tang , Li You , Xinrui Gong , Chenjie Xie , Xiqi Gao , Xiang-Gen Xia , Xueyuan Shi

A critical bottleneck of massive multiple-input multiple-output (MIMO) system is the huge training overhead caused by downlink transmission, like channel estimation, downlink beamforming and covariance observation. In this paper, we propose…

Signal Processing · Electrical Eng. & Systems 2021-01-19 Bo Lin , Feifei Gao , Shun Zhang , Ting Zhou , Ahmed Alkhateeb

In this work we present a system identification procedure based on Convolutional Neural Networks (CNN) for human posture control models. A usual approach to the study of human posture control consists in the identification of parameters for…

Robotics · Computer Science 2020-06-09 Vittorio Lippi , Thomas Mergner , Christoph Maurer

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

Recent localization frameworks exploit spatial information of complex channel measurements (CMs) to estimate accurate positions even in multipath propagation scenarios. State-of-the art CM fingerprinting(FP)-based methods employ…

Signal Processing · Electrical Eng. & Systems 2022-03-25 Sebastian Kram , Christopher Kraus , Tobias Feigl , Maximilian Stahlke , Jörg Robert , Christopher Mutschler

To reduce channel acquisition overhead, spatial, time, and frequency-domain channel extrapolation techniques have been widely studied. In this paper, we propose a novel deep learning-based Position-domain Channel Extrapolation framework…

Information Theory · Computer Science 2025-07-25 Jiajia Guo , Chao-Kai Wen , Xiao Li , Shi Jin

Localization is one of the most important problems in various fields such as robotics and wireless communications. For instance, Unmanned Aerial Vehicles (UAVs) require the information of the position precisely for an adequate control…

Signal Processing · Electrical Eng. & Systems 2021-09-28 Kutay Bölat

Establishing and maintaining 5G mmWave vehicular connectivity poses a significant challenge due to high user mobility that necessitates frequent triggering of beam switching procedures. Departing from reactive beam switching based on the…

Signal Processing · Electrical Eng. & Systems 2024-10-04 Abidemi Orimogunje , Vukan Ninkovic , Evariste Twahirwa , Gaspard Gashema , Dejan Vukobratovic

Electroencephalogram-based motor imagery (MI) classification is an important paradigm of non-invasive brain-computer interfaces. Common spatial pattern (CSP), which exploits different energy distributions on the scalp while performing…

Signal Processing · Electrical Eng. & Systems 2024-11-20 Xue Jiang , Lubin Meng , Xinru Chen , Yifan Xu , Dongrui Wu

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

Massive multiple-input multiple-output (MIMO) with frequency division duplex (FDD) mode is a promising approach to increasing system capacity and link robustness for the fifth generation (5G) wireless cellular systems. The premise of these…

Networking and Internet Architecture · Computer Science 2019-07-30 Chaojin Qing , Bin Cai , Qingyao Yang , Jiafan Wang , Chuan Huang

For millimeter wave (mmWave) massive multiple-input multiple-output (MIMO) systems, hybrid processing architecture is usually used to reduce the complexity and cost, which poses a very challenging issue in channel estimation. In this paper,…

Information Theory · Computer Science 2021-04-26 Peihao Dong , Hua Zhang , Geoffrey Ye Li , Ivan Simoes Gaspar , Navid NaderiAlizadeh

This paper studies a WiFi indoor localisation technique based on using a deep learning model and its transfer strategies. We take CSI packets collected via the WiFi standard channel sounding as the training dataset and verify the CNN model…

Machine Learning · Computer Science 2021-03-10 Peizheng Li , Han Cui , Aftab Khan , Usman Raza , Robert Piechocki , Angela Doufexi , Tim Farnham

Massive multiple-input multiple-output (MIMO) is a promising approach for cellular communication due to its energy efficiency and high achievable data rate. These advantages, however, can be realized only when channel state information…

Information Theory · Computer Science 2015-04-01 Min Soo Sim , Jeonghun Park , Chan-Byoung Chae , Robert W. Heath

We examine the usability of deep neural networks for multiple-input multiple-output (MIMO) user positioning solely based on the orthogonal frequency division multiplex (OFDM) complex channel coefficients. In contrast to other indoor…

Signal Processing · Electrical Eng. & Systems 2018-04-16 Maximilian Arnold , Sebastian Dörner , Sebastian Cammerer , Stephan ten Brink
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