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Related papers: CarFi: Rider Localization Using Wi-Fi CSI

200 papers

In recent years, automated driving has become viable, and advanced driver assistance systems (ADAS) are now part of modern cars. These systems require highly precise positioning. In this paper, a cooperative approach to localization is…

Networking and Internet Architecture · Computer Science 2026-02-17 Christopher Schahn , Jorin Kouril , Bernd Schaeufele , Ilja Radusch

In this paper, we consider people counting and localization systems exploiting channel state information (CSI) measured from commodity WiFi network interface cards (NICs). While CSI has useful information of amplitude and phase to describe…

Information Theory · Computer Science 2026-05-01 Jihoon Cha , Hwanjin Kim , Junil Choi

WiFi sensing based on channel state information (CSI) collected from commodity WiFi devices has shown great potential across a wide range of applications, including vital sign monitoring and indoor localization. Existing WiFi sensing…

Signal Processing · Electrical Eng. & Systems 2025-10-14 Ruiqi Kong , He Chen

We propose a software-defined testbed for Wi-Fi channel-state information (CSI) acquisition. This testbed features distributed software-defined radios (SDRs) and a custom IEEE 802.11a software stack that enables the passive collection of…

Signal Processing · Electrical Eng. & Systems 2024-12-11 Frederik Zumegen , Christoph Studer

Over the last decade, there has been a spike in criminal activity all around the globe. According to the Indian police department, vehicle theft is one of the least solved offenses, and almost 19% of all recorded cases are related to motor…

Computer Vision and Pattern Recognition · Computer Science 2021-11-25 Shantha Kumar S , Vykunth P , Jayanthi D

Mitigating traffic congestion on urban roads, with paramount importance in urban development and reduction of energy consumption and air pollution, depends on our ability to foresee road usage and traffic conditions pertaining to the…

Physics and Society · Physics 2018-04-27 Jingyuan Wang , Yu Mao , Jing Li , Chao Li , Zhang Xiong , Wen-Xu Wang

Logging of incoming/outgoing vehicles serves as a piece of critical information for root-cause analysis to combat security breach incidents in various sensitive organizations. RFID tagging hampers the scalability of vehicle tracking…

Computer Vision and Pattern Recognition · Computer Science 2022-09-14 Pranav Kant Gaur , Abhilash Bhardwaj , Pritam Shete , Mohini Laghate , Dinesh M Sarode

A vehicle's fuel consumption depends on its type, the speed, the condition, and the gradients of the road on which it is moving. We developed a Routing Engine for finding an eco-route (one with low fuel consumption) between a source and a…

Networking and Internet Architecture · Computer Science 2020-11-30 R K Ghosh , Vinay R , Arnab Bhattacharyya

Road accidents are quite common in almost every part of the world, and, in majority, fatal accidents are attributed to over speeding of vehicles. The tendency to over speeding is usually tried to be controlled using check points at various…

Machine Learning · Computer Science 2024-08-09 Subhasis Dasgupta , Arshi Naaz , Jayeeta Choudhury , Nancy Lahiri

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…

Light-fidelity (LiFi) is a fully-networked bidirectional optical wireless communication (OWC) that is considered a promising solution for high-speed indoor connectivity. Unlike in conventional radio frequency wireless systems, the OWC…

Signal Processing · Electrical Eng. & Systems 2020-07-23 Mohamed Amine Arfaoui , Mohammad Dehghani Soltani , Iman Tavakkolnia , Ali Ghrayeb , Chadi Assi , Majid Safari , Harald Haas

WiFi technology has been applied to various places due to the increasing requirement of high-speed Internet access. Recently, besides network services, WiFi sensing is appealing in smart homes since it is device-free, cost-effective and…

Networking and Internet Architecture · Computer Science 2022-08-23 Jianfei Yang , Xinyan Chen , Han Zou , Dazhuo Wang , Qianwen Xu , Lihua Xie

For smart vehicles driving through signalised intersections, it is crucial to determine whether the vehicle has right of way given the state of the traffic lights. To address this issue, camera based sensors can be used to determine whether…

Computer Vision and Pattern Recognition · Computer Science 2023-07-17 Zhenxing Ming , Julie Stephany Berrio , Mao Shan , Eduardo Nebot , Stewart Worrall

Spatially and temporally dense street imagery (DSI) datasets have grown unbounded. In 2024, individual companies possessed around 3 trillion unique images of public streets. DSI data streams are only set to grow as companies like Lyft and…

Computers and Society · Computer Science 2025-05-13 Matt Franchi , Hauke Sandhaus , Madiha Zahrah Choksi , Severin Engelmann , Wendy Ju , Helen Nissenbaum

Vision-aided localization for low-cost mobile robots in diverse environments has attracted widespread attention recently. Although many current systems are applicable in daytime environments, nocturnal visual localization is still an open…

Robotics · Computer Science 2024-03-05 Tianxiao Gao , Mingle Zhao , Chengzhong Xu , Hui Kong

Accurate localization is critical for vehicle-to-infrastructure (V2I) communication systems, especially in urban areas where GPS signals are often obstructed by tall buildings, leading to significant positioning errors, necessitating…

Signal Processing · Electrical Eng. & Systems 2025-08-26 Can Zheng , Jiguang He , Chung G. Kang , Guofa Cai , Henk Wymeersch

Wi-Fi sensing is gaining momentum as a non-intrusive and privacy-preserving alternative to vision-based systems for human identification. However, person identification through wireless signals, particularly without user motion, remains…

License Plate recognition plays an important role on the traffic monitoring and parking management systems. In this paper, a fast and real time method has been proposed which has an appropriate application to find tilt and poor quality…

Computer Vision and Pattern Recognition · Computer Science 2014-07-25 Reza Azad , Hamid Reza Shayegh

Vehicle route prediction is one of the significant tasks in vehicles mobility. It is one of the means to reduce the accidents and increase comfort in human life. The task of route prediction becomes simpler with the development of certain…

Computers and Society · Computer Science 2021-04-13 Ali Nawaz , Attique Ur Rehman

There have been various navigation and tracking systems being developed with the help of technologies like GPS, GSM, Bluetooth, IR, Wi-Fi and Radar. Outdoor positioning systems have been deployed quite successfully using GPS but positioning…

Networking and Internet Architecture · Computer Science 2012-04-10 Rohit Agrawal , Ashesh Vasalya