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Related papers: RayLoc: Wireless Indoor Localization via Fully Dif…

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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

One of the major issues in Wireless Body Area Sensor Networks (WBASNs) is efficient localization. There are various techniques for indoor and outdoor environments to locate a person. This study evaluating and compares performance of…

Networking and Internet Architecture · Computer Science 2012-07-09 Obaid ur Rehman , Nadeem Javaid , Ayesha Bibi , Zahoor Ali Khan

Ray tracing is increasingly utilized in wireless system simulations to estimate channel paths. In large-scale simulations with complex environments, ray tracing at high resolution can be computationally demanding. To reduce the computation,…

Signal Processing · Electrical Eng. & Systems 2026-02-02 Ruibin Chen , Jayadev Joy , Yaqi Hu , Mingsheng Yin , Marco Mezzavilla , Sundeep Rangan

It has been shown that the channel state information (CSI) of a Wi-Fi system can be exploited to localize Wi-Fi devices or track trajectory of a moving target. In the existing literature, both sensing tasks are treated separately and some…

Signal Processing · Electrical Eng. & Systems 2026-03-19 Chunxi Chen , Jingwen Zhang , Chao Yu , Fan Liu , Rui Wang

In this paper, we propose a novel indoor localization scheme that exploits ubiquitous visible lights, which are necessarily and densely deployed in almost all indoor environments. We unveil two phenomena of lights available for positioning:…

Networking and Internet Architecture · Computer Science 2015-06-03 Yiqing Hu , Yan Xiong , Wenchao Huang , Xiang-Yang Li , Yanan Zhang , Xufei Mao , Panlong Yang , Caimei Wang

Modern indoor localization techniques are essential to overcome the weak GPS coverage in indoor environments. Recently, considerable progress has been made in Channel State Information (CSI) based indoor localization with signal…

Signal Processing · Electrical Eng. & Systems 2022-05-18 Liping Wang , Sudeep Pasricha

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

Recently, Differentiable Ray Tracing has been successfully applied in the field of wireless communications for learning radio materials or optimizing the transmitter orientation. However, in the frame of gradient based optimization,…

Signal Processing · Electrical Eng. & Systems 2024-04-30 Jerome Eertmans , Laurent Jacques , Claude Oestges

We propose a new approach towards RSS (Received Signal Strength) based wireless localisation for scenarios where, instead of absolute positioning of an object, only the information whether an object is inside or outside of a specific area…

Networking and Internet Architecture · Computer Science 2018-01-19 Cam Ly Nguyen , Aftab Khan

Fingerprinting-based localization often suffers from poor cross-environment generalization, especially when only a few labeled samples are available in the target environment. Existing methods mitigate distribution shifts through domain…

Signal Processing · Electrical Eng. & Systems 2026-05-20 Jun Gao , Zheng Xing , Wenliang Lin , Weibing Zhao , Xuhui Zhang , Junting Chen , Zhongliang Deng , Shuguang Cui

With the ongoing development of Indoor Location-Based Services, the location information of users in indoor environments has been a challenging issue in recent years. Due to the widespread use of WiFi networks, WiFi fingerprinting has…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-06-05 Amin Kargar-Barzi , Ebrahim Farahmand , Nooshin Taheri Chatrudi , Ali Mahani , Muhammad Shafique

Global localization is essential for robot navigation, of which the first step is to retrieve a query from the map database. This problem is called place recognition. In recent years, LiDAR scan based place recognition has drawn attention…

Robotics · Computer Science 2021-01-14 Xuecheng Xu , Huan Yin , Zexi Chen , Yue Wang , Rong Xiong

Radio frequency (RF)-based indoor localization offers significant promise for applications such as indoor navigation, augmented reality, and pervasive computing. While deep learning has greatly enhanced localization accuracy and robustness,…

Information Theory · Computer Science 2025-12-09 Guosheng Wang , Shen Wang , Lei Yang

Precise indoor localization is an increasingly demanding requirement for various emerging applications, like Virtual/Augmented reality and personalized advertising. Current indoor environments are equipped with pluralities of WiFi access…

Signal Processing · Electrical Eng. & Systems 2019-11-21 Chenlu Xiang , Shunqing Zhang , Shugong Xu , Xiaojing Chen , George C. Alexandropoulos , Vincent K. N. Lau

The ubiquitous presence of WiFi access points and mobile devices capable of measuring WiFi signal strengths allow for real-world applications in indoor localization and mapping. In particular, no additional infrastructure is required.…

Networking and Internet Architecture · Computer Science 2021-06-21 Bastian Schaefermeier , Gerd Stumme , Tom Hanika

Being able to accurately locate wireless devices, while guaranteeing high-level of security against spoofing attacks, benefits all participants in the localization chain (e.g., end users, network operators, and location service providers).…

Signal Processing · Electrical Eng. & Systems 2020-12-11 Marko Beko , Slavisa Tomic

With the development of the Internet of Things technology, indoor tracking has become a popular application nowadays, but most existing solutions can only work in line-of-sight scenarios, or require regular re-calibration. In this paper, we…

Signal Processing · Electrical Eng. & Systems 2018-07-10 Feng Zhang , Chen Chen , Beibei Wang , Yi Han , K. J. Ray Liu

Wireless Technology Recognition (WTR) and localization are essential in modern communication systems, enabling efficient spectrum management, seamless coexistence of diverse technologies, and accurate positioning in dynamic environments. In…

Signal Processing · Electrical Eng. & Systems 2025-09-22 Mohammad Cheraghinia , Eli De Poorter , Jaron Fontaine , Merouane Debbah , Adnan Shahid

The technology of Reconfigurable Intelligent Surfaces (RISs) is lately being considered as a boosting component for various indoor wireless applications, enabling wave propagation control and coverage extension. However, the incorporation…

Information Theory · Computer Science 2025-01-23 Fabio Cardoso , Sérgio Matos , Luís M. Pessoa , George C. Alexandropoulos

WiFi-based device localization is a key enabling technology for smart applications, which has attracted numerous research studies in the past decade. Most of the existing approaches rely on Line-of-Sight (LoS) signals to work, while a…

Emerging Technologies · Computer Science 2025-04-10 Yimiao Sun , Yuan He , Jiacheng Zhang , Xin Na , Yande Chen , Weiguo Wang , Xiuzhen Guo