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Related papers: DNN-based Localization from Channel Estimates: Fea…

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In this article, we develop an end-to-end wireless communication system using deep neural networks (DNNs), in which DNNs are employed to perform several key functions, including encoding, decoding, modulation, and demodulation. However, an…

Information Theory · Computer Science 2019-03-08 Hao Ye , Le Liang , Geoffrey Ye Li , Biing-Hwang Fred Juang

While deep neural networks (DNN) have become an effective computational tool, the prediction results are often criticized by the lack of interpretability, which is essential in many real-world applications such as health informatics.…

Computer Vision and Pattern Recognition · Computer Science 2018-05-29 Mengnan Du , Ninghao Liu , Qingquan Song , Xia Hu

Channel state information (CSI) is of pivotal importance as it enables wireless systems to adapt transmission parameters more accurately, thus improving the system's overall performance. However, it becomes challenging to acquire accurate…

Signal Processing · Electrical Eng. & Systems 2022-08-12 Muhammad Karam Shehzad , Luca Rose , Muhammad Furqan Azam , Mohamad Assaad

In this article, the use of channel state information (CSI) for indoor positioning is studied. In the considered model, a server equipped with several antennas sends pilot signals to users, while each user uses the received pilot signals to…

Information Theory · Computer Science 2024-03-20 Hanzhi Yu , Yuchen Liu , Mingzhe Chen

In multiple-input multiple-output (MIMO) systems, it is crucial of utilizing the available channel state information (CSI) at the transmitter for precoding to improve the performance of frequency division duplex (FDD) networks. One of the…

Signal Processing · Electrical Eng. & Systems 2022-04-28 Xiangyi Li , Huaming Wu

Deep learning has been widely adopted for channel state information (CSI)-fingerprinting indoor localization systems. These systems usually consist of two main parts, i.e., a positioning network that learns the mapping from high-dimensional…

Signal Processing · Electrical Eng. & Systems 2023-10-11 Bowen Zhang , Houssem Sifaou , Geoffrey Ye Li

Massive Multiple-Input Multiple-Output (massive MIMO) technology stands as a cornerstone in 5G and beyonds. Despite the remarkable advancements offered by massive MIMO technology, the extreme number of antennas introduces challenges during…

Signal Processing · Electrical Eng. & Systems 2024-10-29 Do Hai Son , Vu Tung Lam , Tran Thi Thuy Quynh

The anatomical location of imaging features is of crucial importance for accurate diagnosis in many medical tasks. Convolutional neural networks (CNN) have had huge successes in computer vision, but they lack the natural ability to…

Computer Vision and Pattern Recognition · Computer Science 2016-11-01 Mohsen Ghafoorian , Nico Karssemeijer , Tom Heskes , Inge van Uden , Clara Sanchez , Geert Litjens , Frank-Erik de Leeuw , Bram van Ginneken , Elena Marchiori , Bram Platel

Channel state information (CSI)-based fingerprinting via neural networks (NNs) is a promising approach to enable accurate indoor and outdoor positioning of user equipments (UEs), even under challenging propagation conditions. In this paper,…

Signal Processing · Electrical Eng. & Systems 2021-09-01 Emre Gönültaş , Eric Lei , Jack Langerman , Howard Huang , Christoph Studer

In this letter, we consider the problem of signal detection in generalized spatial modulation (GSM) using deep neural networks (DNN). We propose a novel modularized DNN architecture that uses small sub-DNNs to detect the active antennas and…

Information Theory · Computer Science 2020-08-25 Bharath Shamasundar , A. Chockalingam

With the fast growing demand of location-based services in indoor environments, indoor positioning based on fingerprinting has attracted a lot of interest due to its high accuracy. In this paper, we present a novel deep learning based…

Networking and Internet Architecture · Computer Science 2016-03-24 Xuyu Wang , Lingjun Gao , Shiwen Mao , Santosh Pandey

Ensuring smooth mobility management while employing directional beamformed transmissions in 5G millimeter-wave networks calls for robust and accurate user equipment (UE) localization and tracking. In this article, we develop neural…

Signal Processing · Electrical Eng. & Systems 2024-06-25 Roman Klus , Jukka Talvitie , Julia Vinogradova , Gabor Fodor , Johan Torsner , Mikko Valkama

This paper investigates a learning solution for robust beamforming optimization in downlink multi-user systems. A base station (BS) identifies efficient multi-antenna transmission strategies only with imperfect channel state information…

Information Theory · Computer Science 2021-03-03 Junbeom Kim , Hoon Lee , Seok-Hwan Park

One of key technologies for future large-scale location-aware services in access is a scalable indoor localization technique. In this paper, we report preliminary results from our investigation on the use of deep neural networks (DNNs) for…

Networking and Internet Architecture · Computer Science 2018-06-26 Kyeong Soo Kim , Ruihao Wang , Zhenghang Zhong , Zikun Tan , Haowei Song , Jaehoon Cha , Sanghyuk Lee

From the viewpoint of physical-layer authentication, spoofing attacks can be foiled by checking channel state information (CSI). Existing CSI-based authentication algorithms mostly require a deep knowledge of the channel to deliver decent…

Machine Learning · Computer Science 2018-07-26 Qian Wang , Hang Li , Zhi Chen , Dou Zhao , Shuang Ye , Jiansheng Cai

This paper presents a novel channel estimation technique for the multi-user massive multiple-input multiple-output (MU-mMIMO) systems using angular-based hybrid precoding (AB-HP). The proposed channel estimation technique generates…

Information Theory · Computer Science 2022-02-01 Xiaoyi Zhu , Asil Koc , Robert Morawski , Tho Le-Ngoc

This paper presents a novel machine-hearing system that exploits deep neural networks (DNNs) and head movements for robust binaural localisation of multiple sources in reverberant environments. DNNs are used to learn the relationship…

Audio and Speech Processing · Electrical Eng. & Systems 2019-04-08 Ning Ma , Tobias May , Guy J. Brown

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

The advent of Artificial Intelligence (AI) has impacted all aspects of human life. One of the concrete examples of AI impact is visible in radio positioning. In this article, for the first time we utilize the power of AI by training a…

Signal Processing · Electrical Eng. & Systems 2022-06-29 Ghazaleh Kia , Laura Ruotsalainen , Jukka Talvitie

Channel-state information (CSI)-based sensing will play a key role in future cellular systems. However, no CSI dataset has been published from a real-world 5G NR system that facilitates the development and validation of suitable sensing…

Signal Processing · Electrical Eng. & Systems 2025-12-12 Reinhard Wiesmayr , Frederik Zumegen , Sueda Taner , Chris Dick , Christoph Studer