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Related papers: A Deep Learning Approach in RIS-based Indoor Local…

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Indoor navigation remains a complex challenge due to the absence of reliable GPS signals and the architectural intricacies of large enclosed environments. This study presents an indoor localization and navigation approach that integrates…

Machine Learning · Computer Science 2025-08-12 Keyan Rahimi , Md. Wasiul Haque , Sagar Dasgupta , Mizanur Rahman

Reconfigurable intelligent surface (RIS) has recently gained popularity as a promising solution for improving the signal transmission quality of wireless communications with less hardware cost and energy consumption. This letter offers a…

Signal Processing · Electrical Eng. & Systems 2022-05-19 Wangyang Xu , Jiancheng An , Chongwen Huang , Lu Gan , Chau Yuen

This study presents an advanced wireless system that embeds target recognition within reconfigurable intelligent surface (RIS)-aided communication systems, powered by cuttingedge deep learning innovations. Such a system faces the challenge…

Information Theory · Computer Science 2025-05-06 Yixuan Huang , Jie Yang , Chao-Kai Wen , Shuqiang Xia , Xiao Li , Shi Jin

We showcase the practicability of an indoor positioning system (IPS) solely based on Neural Networks (NNs) and the channel state information (CSI) of a (Massive) multiple-input multiple-output (MIMO) communication system, i.e., only build…

Signal Processing · Electrical Eng. & Systems 2019-05-29 Mark Widmaier , Maximilian Arnold , Sebastian Dörner , Sebastian Cammerer , Stephan ten Brink

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

This study demonstrates a WiFi indoor positioning system using Deep Learning algorithms. A new method using fitting function in MATLAB will be utilized to compute the path loss coefficient and log-normal fading variance. To reduce the…

Signal Processing · Electrical Eng. & Systems 2023-07-06 Minxue Cai , Zihuai Lin

The received signal strength (RSS) based technique is extensively utilized for localization in the indoor environments. Since the RSS values of neighboring locations may be similar, the localization accuracy of the RSS based technique is…

Signal Processing · Electrical Eng. & Systems 2023-03-27 Haobo Zhang , Hongliang Zhang , Boya Di , Kaigui Bian , Zhu Han , Lingyang Song

Indoor position technology has become one of the research highlights in the Internet of Things (IoT), but there is still a lack of universal, low-cost, and high-precision solutions. This paper conducts research on indoor position technology…

Networking and Internet Architecture · Computer Science 2026-02-03 Chunyi Zhang , Zongwei Li , Xiaoqi Li

This paper addresses an uplink localization problem in which a base station (BS) aims to locate a remote user with the help of reconfigurable intelligent surfaces (RISs). We propose a strategy in which the user transmits pilots sequentially…

Information Theory · Computer Science 2023-12-19 Zhongze Zhang , Tao Jiang , Wei Yu

Accurate indoor positioning for wireless communication systems represents an important step towards enhanced reliability and security, which are crucial aspects for realizing Industry 4.0. In this context, this paper presents an…

Signal Processing · Electrical Eng. & Systems 2023-06-07 Ivo Bizon , Zhongju Li , Ahmad Nimr , Marwa Chafii , Gerhard P. Fettweis

Considered as a data-driven approach, Fingerprinting Localization Solutions (FPSs) enjoy huge popularity due to their good performance and minimal environment information requirement. This papers addresses applications of artificial…

Networking and Internet Architecture · Computer Science 2018-03-23 Linchen Xiao , Arash Behboodi , Rudolf Mathar

Accurate localization and perception are pivotal for enhancing the safety and reliability of vehicles. However, current localization methods suffer from reduced accuracy when the line-of-sight (LOS) path is obstructed, or a combination of…

Signal Processing · Electrical Eng. & Systems 2024-08-16 Yinuo Du , Hanying Zhao , Yang Liu , Xinlei Yu , Yuan Shen

A Reconfigurable Intelligent Surface (RIS) can significantly enhance network positioning and mapping, acting as an additional anchor point in the reference system and improving signal strength and measurement diversity through the…

Information Theory · Computer Science 2024-11-15 Dimitris Kompostiotis , Dimitris Vordonis , Vassilis Paliouras , George C. Alexandropoulos , Florin Grec

Deep learning, accounting for the use of an elaborate neural network, has recently been developed as an efficient and powerful tool to solve diverse problems in physics and other sciences. In the present work, we propose a novel learning…

Computational Physics · Physics 2021-11-02 Shurui Li , Jianqin Xu , Jing Qian , Weiping Zhang

Indoor human positioning has become increasingly important for applications such as health monitoring, breath monitoring, human identification, safety and rescue operations, and security surveillance. However, achieving robust indoor human…

Signal Processing · Electrical Eng. & Systems 2024-03-08 Amala Sonny , Abhinav Kumar , Linga Reddy Cenkeramaddi

Reconfigurable intelligent surface (RIS) has been recognized as a promising solution for enhancing localization accuracy. Traditional RIS-based localization methods typically rely on prior channel knowledge, beam scanning, and pilot-based…

Signal Processing · Electrical Eng. & Systems 2025-04-04 Jiawei Yao , Yijie Mao , Mingzhe Chen

This paper realizes the estimation of classroom occupancy by using the CO2 sensor and deep learning technique named Long-Short-Term Memory. As a case of connection with IoT and machine learning, I achieve the model to estimate the people…

Machine Learning · Computer Science 2022-12-06 Zheyu Zhang

High-precision localization and environmental sensing are essential for a new wave of applications, ranging from industrial automation and autonomous systems to augmented reality and remote healthcare. Conventional wireless methods,…

With the recent development in mobile computing devices and as the ubiquitous deployment of access points(APs) of Wireless Local Area Networks(WLANs), WLAN based indoor localization systems(WILSs) are of mounting concentration and are…

Machine Learning · Statistics 2017-04-13 Caifa Zhou , Lin Ma , Xuezhi Tan

Due to the growing area of ubiquitous mobile applications, indoor localization of smartphones has become an interesting research topic. Most of the current indoor localization systems rely on intensive site survey to achieve high accuracy.…

Networking and Internet Architecture · Computer Science 2018-04-12 Jose Luis V. Carrera , Zhongliang Zhao , Torsten Braun , Haiyong Luo , Fang Zhao