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Related papers: MapiFi: Using Wi-Fi Signals to Map Home Devices

200 papers

This paper presents a mobile crowdsensing approach to identify the indoor points of interest (POI) by exploiting Wi-Fi similarity measurements. Since indoor environments are lacking the GPS positioning accuracy when compared to outdoors, we…

Computers and Society · Computer Science 2019-08-26 Sumudu Hasala Marakkalage , Ran Liu , Sanjana Kadaba Viswanath , Chau Yuen

Indoor localization systems have become increasingly important in a wide range of applications, including industry, security, logistics, and emergency services. However, the growing demand for accurate localization has heightened concerns…

Artificial Intelligence · Computer Science 2023-06-06 Mohamed Mohsen , Hamada Rizk , Moustafa Youssef

WiFi and security pose both an issue and act as a growing presence in everyday life. Today's motions detection implementations are severely lacking in the areas of secrecy, scope, and cost. To combat this problem, we aim to develop a motion…

Signal Processing · Electrical Eng. & Systems 2019-08-23 Sadhana Lolla , Amy Zhao

Knowledge of Wi-Fi networks helps to guide future engineering and spectrum policy decisions. However, due to its unlicensed nature, the deployment of Wi-Fi Access Points is undocumented meaning researchers are left making educated guesses…

Networking and Internet Architecture · Computer Science 2021-01-20 Edward J Oughton , Julius Kusuma , Thibault Peyronel , Jon Crowcroft

Wi-Fi sensing has emerged as a powerful technology, leveraging channel state information (CSI) extracted from wireless data packets to enable diverse applications, ranging from human presence detection to gesture recognition and health…

Signal Processing · Electrical Eng. & Systems 2025-06-23 Zisheng Wang , Feng Li , Hangbin Zhao , Zihuan Mao , Yaodong Zhang , Qisheng Huang , Bo Cao , Mingming Cao , Baolin He , Qilin Hou

Smartphones have been shipped with multiple wireless network interfaces in order to meet their diverse communication and networking demands. However, as smartphones increasingly rely on wireless network connections to realize more…

Networking and Internet Architecture · Computer Science 2013-12-25 Feng Xia , Ching-Hsien Hsu , Xiaojing Liu , Fangwei Ding , Wei Zhang

Different technologies have been proposed to provide indoor localisation: magnetic field, bluetooth , WiFi, etc. Among them, WiFi is the one with the highest availability and highest accuracy. This fact allows for an ubiquitous accurate…

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

Wi-Fi signals-based person identification attracts increasing attention in the booming Internet-of-Things era mainly due to its pervasiveness and passiveness. Most previous work applies gaits extracted from WiFi distortions caused by the…

Signal Processing · Electrical Eng. & Systems 2019-07-22 Fei Wang , Jinsong Han , Feng Lin , Kui Ren

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

The usage of technologically advanced devices has seen a boom in many domains, including education, automation, and healthcare; with most of the services requiring Internet connectivity. To secure a network, device identification plays key…

Machine Learning · Computer Science 2023-01-25 Rajarshi Roy Chowdhury , Azam Che Idris , Pg Emeroylariffion Abas

In this paper, we present an unsupervised learning approach to identify the user points of interest (POI) by exploiting WiFi measurements from smartphone application data. Due to the lack of GPS positioning accuracy in indoor, sheltered,…

Machine Learning · Computer Science 2021-05-11 Sumudu HasalaMarakkalage , Billy Pik Lik Lau , Yuren Zhou , Ran Liu , Chau Yuen , Wei Quin Yow , Keng Hua Chong

In this paper, estimation of mobility using received signal strength is presented. In contrast to standard methods, speed can be inferred without the use of any additional hardware like accelerometer, gyroscope or position estimator. The…

Networking and Internet Architecture · Computer Science 2016-11-22 Pavan Kumar Pedapolu , Pradeep Kumar , Vaidya Harish , Satvik Venturi , Sushil Kumar Bharti , Vinay Kumar , Sudhir Kumar

Internet of Things (IoT) is one of the technological advancements of the twenty-first century which can improve living standards. However, it also imposes new types of security challenges, including device authentication, traffic types…

Networking and Internet Architecture · Computer Science 2024-02-27 Rajarshi Roy Chowdhury , Debashish Roy , Pg Emeroylariffion Abas

Wi-Fi-based Positioning Systems (WPSes) are used by modern mobile devices to learn their position using nearby Wi-Fi access points as landmarks. In this work, we show that Apple's WPS can be abused to create a privacy threat on a global…

Cryptography and Security · Computer Science 2024-05-27 Erik Rye , Dave Levin

Wireless device pairing is a critical security mechanism to bootstrap the secure communication between two devices without a pre-shared secret. It has been widely used in many Internet of Things (IoT) applications, such as smart-home and…

Cryptography and Security · Computer Science 2024-05-07 Yaqi He , Kai Zeng , Long Jiao , Brian L. Mark , Khaled N. Khasawneh

The proliferation of surveillance cameras has greatly improved the physical security of many security-critical properties including buildings, stores, and homes. However, recent surveillance camera looping attacks demonstrate new security…

Cryptography and Security · Computer Science 2019-04-03 Nitya Lakshmanan , Inkyu Bang , Min Suk Kang , Jun Han , Jong Taek Lee

Human localization is gaining momentum in security, healthcare, logistics, and smart spaces applications. While global navigation systems are unreliable indoor, device-free (a.k.a. passive) localization methods that exploit human-induced…

Signal Processing · Electrical Eng. & Systems 2026-05-07 Federica Fieramosca , Anastasia Maiolli , Alexander H. Paulus , Stefano Savazzi , Michele D'Amico

Today's societies are enveloped in an ever-growing telecommunication infrastructure. This infrastructure offers important opportunities for sensing and recording a multitude of human behaviors. Human mobility patterns are a prominent…

Computers and Society · Computer Science 2016-10-18 Piotr Sapiezynski , Arkadiusz Stopczynski , David Kofoed Wind , Jure Leskovec , Sune Lehmann

Gi-Fi stands for Gigabit Wireless. Gi-Fi is a wireless transmission system which is ten times faster than other technology and its chip delivers short-range multigigabit data transfer in a local environment. Gi-Fi is a wireless technology…

Networking and Internet Architecture · Computer Science 2013-07-03 Jyoti Tewari , Swati Arya