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RF fingerprinting is emerging as a physical layer security scheme to identify illegitimate and/or unauthorized emitters sharing the RF spectrum. However, due to the lack of publicly accessible real-world datasets, most research focuses on…

Networking and Internet Architecture · Computer Science 2023-08-21 Anu Jagannath , Zackary Kane , Jithin Jagannath

Current data-driven Wi-Fi-based indoor localization systems face three critical challenges: protecting user privacy, achieving accurate predictions in dynamic multipath environments, and generalizing across different deployments.…

Cryptography and Security · Computer Science 2025-12-23 Kanishka Roy , Tahsin Fuad Hasan , Chenfeng Wu , Eshwar Vangala , Roshan Ayyalasomayajula

The paper proposes a multi-modal sensor fusion algorithm that fuses WiFi, IMU, and floorplan information to infer an accurate and dense location history in indoor environments. The algorithm uses 1) an inertial navigation algorithm to…

Robotics · Computer Science 2021-05-20 Sachini Herath , Saghar Irandoust , Bowen Chen , Yiming Qian , Pyojin Kim , Yasutaka Furukawa

WiFi-based mobility monitoring in urban environments can provide valuable insights into pedestrian and vehicle movements. However, MAC address randomization introduces a significant obstacle in accurately estimating congestion levels and…

Signal Processing · Electrical Eng. & Systems 2025-03-05 Stepan Mazokha , Fanchen Bao , George Sklivanitis , Jason O. Hallstrom

Mobile robots have the capability to work in real-time autonomously. Autonomous behavior is strictly dependent on knowing the position of the mobile robot. The positioning of a mobile robot in an indoor area is a difficult task for only one…

Robotics · Computer Science 2020-12-11 Hikmet Yucel , Gulin Elibol , Ugur Yayan

Device-free (DF) localization in WLANs has been introduced as a value-added service that allows tracking indoor entities that do not carry any devices. Previous work in DF WLAN localization focused on the tracking of a single entity due to…

Networking and Internet Architecture · Computer Science 2012-07-19 Ibrahim Sabek , Moustafa Youssef

Radio Frequency (RF) fingerprinting is to identify a wireless device from its uniqueness of the analog circuitry or hardware imperfections. However, unlike the MAC address which can be modified, such hardware feature is inevitable for the…

Cryptography and Security · Computer Science 2024-06-13 Zhaoyi Lu , Wenchao Xu , Ming Tu , Xin Xie , Cunqing Hua , Nan Cheng

The growing number of smart devices supporting bandwidth-intensive and latency-sensitive applications, such as real-time video analytics, smart sensing, Extended Reality (XR), etc., necessitates reliable wireless connectivity in indoor…

Signal Processing · Electrical Eng. & Systems 2026-02-12 Ljupcho Milosheski , Kuon Akiyama , Blaž Bertalanič , Jernej Hribar , Ryoichi Shinkuma

Simultaneous localization and mapping (SLAM) is paramount for unmanned systems to achieve self-localization and navigation. It is challenging to perform SLAM in large environments, due to sensor limitations, complexity of the environment,…

Simultaneous localization and mapping (SLAM) has been richly researched in past years particularly with regard to range-based or visual-based sensors. Instead of deploying dedicated devices that use visual features, it is more pragmatic to…

With the unprecedented demand for location-based services in indoor scenarios, wireless indoor localization has become essential for mobile users. While GPS is not available at indoor spaces, WiFi RSS fingerprinting has become popular with…

Signal Processing · Electrical Eng. & Systems 2020-09-15 Qianwen Ye , Xiaochen Fan , Gengfa Fang , Hongxia Bie , Chaocan Xiang , Xudong Song , Xiangjian He

Fingerprinting techniques are widely used for localization because of their accuracy, especially in the presence of wireless channel noise. However, the fingerprinting techniques require significant storage and running time, which is a…

Quantum Physics · Physics 2024-07-23 Ahmed Shokry , Moustafa Youssef

Directly releasing those data raises privacy and liability (e.g., due to unauthorized distribution of such datasets) concerns since location data contain users' sensitive information, e.g., regular moving patterns and favorite spots. To…

Cryptography and Security · Computer Science 2023-04-25 Yuzhou Jiang , Emre Yilmaz , Erman Ayday

Wi-Fi fingerprinting has emerged as the most popular approach to indoor localization. The use of ML algorithms has greatly improved the localization performance of Wi-Fi fingerprinting, but its success depends on the availability of…

Machine Learning · Computer Science 2024-02-21 Zhe Tang , Ruocheng Gu , Sihao Li , Kyeong Soo Kim , Jeremy S. Smith

Inferring the location of a mobile device in an indoor setting is an open problem of utmost significance. A leading approach that does not require the deployment of expensive infrastructure is fingerprinting, where a classifier is trained…

Signal Processing · Electrical Eng. & Systems 2022-02-08 Erez Peterfreund , Ioannis G. Kevrekidis , Ariel Jaffe

Numerous indoor localization techniques have been proposed recently to meet the intensive demand for location based service, and Wi-Fi fingerprint-based approaches are the most popular and inexpensive solutions. Among them, one of the main…

Networking and Internet Architecture · Computer Science 2013-07-25 Zhiping Jiang , Jizhong Zhao , Xiang-Yang Li , Wei Xi , Kun Zhao , Shaojie Tang , Jinsong Han

In this paper, we introduce an uplink optical wireless positioning system for indoor applications. This technique uses fingerprints based on the indoor optical wireless channel impulse response for localization. Exploiting the line of sight…

Information Theory · Computer Science 2020-05-06 Hamid Hosseinianfar , Maite Brandt-Pearce

Precise indoor localization is one of the key requirements for fifth Generation (5G) and beyond, concerning various wireless communication systems, whose applications span different vertical sectors. Although many highly accurate methods…

Signal Processing · Electrical Eng. & Systems 2021-01-27 Chenlu Xiang , Shunqing Zhang , Shugong Xu , George C. Alexandropoulos

A "wireless fingerprint" which exploits hardware imperfections unique to each device is a potentially powerful tool for wireless security. Such a fingerprint should be able to distinguish between devices sending the same message, and should…

Signal Processing · Electrical Eng. & Systems 2019-08-27 Soorya Gopalakrishnan , Metehan Cekic , Upamanyu Madhow

The location fingerprinting method, which typically utilizes supervised learning, has been widely adopted as a viable solution for the indoor positioning problem. Many indoor positioning datasets are imbalanced. Models trained on imbalanced…

Signal Processing · Electrical Eng. & Systems 2021-09-01 Fahad Alhomayani , Mohammad H. Mahoor