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

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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

Data-driven Wi-Fi localization and tracking have shown great promise due to their lower reliance on specialized hardware compared to model-based methods. However, most existing data collection techniques provide only coarse-grained ground…

Computer Vision and Pattern Recognition · Computer Science 2025-09-15 Zijian Zhao , Tingwei Chen , Fanyi Meng , Zhijie Cai , Hang Li , Xiaoyang Li , Guangxu Zhu

WiFi sensing technology has shown superiority in smart homes among various sensors for its cost-effective and privacy-preserving merits. It is empowered by Channel State Information (CSI) extracted from WiFi signals and advanced machine…

Networking and Internet Architecture · Computer Science 2022-12-13 Jianfei Yang , Xinyan Chen , Han Zou , Dazhuo Wang , Lihua Xie

Recent advancements in LiDAR technology have significantly lowered costs and improved both its precision and resolution, thereby solidifying its role as a critical component in autonomous vehicle localization. Using sophisticated 3D…

Robotics · Computer Science 2024-07-12 Yuze Jiang , Ehsan Javanmardi , Manabu Tsukada , Hiroshi Esaki

Passenger counting is crucial for public transport vehicle scheduling and traffic capacity evaluation. However, most existing methods are either costly or with low counting accuracy, leading to the recent use of Wi-Fi signals for this…

Signal Processing · Electrical Eng. & Systems 2024-10-16 Jingtao Guo , Wenhao Zhuang , Yuyi Mao , Ivan Wang-Hei Ho

Heatstroke and life threatening incidents resulting from the retention of children and animals in vehicles pose a critical global safety issue. Current presence detection solutions often require specialized hardware or suffer from detection…

Signal Processing · Electrical Eng. & Systems 2025-04-02 Hancheng Guo , Zhen Chen , Mo Huang , Xiu Yin Zhang

Imagine a map of your home with all of your connected devices (computers, TVs, voice control devices, printers, security cameras, etc.), in their location. You could then easily group devices into user-profiles, monitor Wi-Fi quality and…

Networking and Internet Architecture · Computer Science 2022-02-10 Yonatan Vaizman , Hongcheng Wang

A traffic monitoring system (TMS) is an integral part of Intelligent Transportation Systems (ITS). It is an essential tool for traffic analysis and planning. One of the biggest challenges is, however, the high cost especially in covering…

Computers and Society · Computer Science 2020-04-28 Myounggyu Won , Sayan Sahu , Kyung-Joon Park

Time-of-flight, i.e., the time incurred by a signal to travel from transmitter to receiver, is perhaps the most intuitive way to measure distances using wireless signals. It is used in major positioning systems such as GPS, RADAR, and…

Networking and Internet Architecture · Computer Science 2015-05-14 Deepak Vasisht , Swarun Kumar , Dina Katabi

We introduce KaRRi, an improved algorithm for scheduling a fleet of shared vehicles as it is used by services like UberXShare and Lyft Shared. We speed up the basic online algorithm that looks for all possible insertions of a new customer…

Data Structures and Algorithms · Computer Science 2023-05-10 Moritz Laupichler , Peter Sanders

In this paper we focus on the problem of human activity recognition without identification of the individuals in a scene. We consider using Wi-Fi signals to detect certain human mobility behaviors such as stationary, walking, or running.…

Networking and Internet Architecture · Computer Science 2018-08-06 Fang-Jing Wu , Gürkan Solmaz

As vehicle maneuver data becomes abundant for assisted or autonomous driving, their implication of privacy invasion/leakage has become an increasing concern. In particular, the surface for fingerprinting a driver will expand significantly…

Cryptography and Security · Computer Science 2017-10-13 Dongyao Chen , Kyong-Tak Cho , Kang G. Shin

Ride-sharing on the daily home-work-home commute can help individuals save on gasoline and other car-related costs, while at the same time it can reduce traffic and pollution. This paper assesses the potential of ride-sharing for reducing…

Computers and Society · Computer Science 2014-03-24 Blerim Cici , Athina Markopoulou , Enrique Frías-Martínez , Nikolaos Laoutaris

Both assistant driving and self-driving have attracted a great amount of attention in the last few years. However, the majority of research efforts focus on safe driving; few research has been conducted on in-vehicle climate control, or…

Machine Learning · Computer Science 2020-06-17 Feng Hu

This paper presents SAFEBIKE, a novel route recommendation system for bike-sharing service that utilizes station information to infer the number of available bikes in dock and recommend bike routes according to multiple factors such as…

Computers and Society · Computer Science 2017-12-06 Weisheng Zhong , Fanglan Chen , Kaiqun Fu , Chang-Tien Lu

The idea of exploiting the Wi-Fi bursts as the medium for sensing purposes, particularly for the human targets in the indoor environment, was cultivated in both radar and computer science communities and it has became a noticeable research…

Signal Processing · Electrical Eng. & Systems 2022-01-11 Bo Tan , Bo Sun

Identification of the vehicles passing over the roads is a very important component of an Intelligent Transportation System. However, due to the presence of multiple vehicles together and their velocity, it gets hard to accurately identify…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-07-19 Chandra Shekhar , Sudipta Saha

Ridesourcing platforms like Uber and Didi are getting more and more popular around the world. However, unauthorized ridesourcing activities taking advantages of the sharing economy can greatly impair the healthy development of this emerging…

Machine Learning · Computer Science 2017-05-24 Leye Wang , Xu Geng , Jintao Ke , Chen Peng , Xiaojuan Ma , Daqing Zhang , Qiang Yang

Autonomous driving systems are broadly used equipment in the industries and in our daily lives, they assist in production, but are majorly used for exploration in dangerous or unfamiliar locations. Thus, for a successful exploration,…

Computer Vision and Pattern Recognition · Computer Science 2018-09-18 Y. O. Agunbiade , J. O. Dehinbo , T. Zuva , A. K. Akanbi

Wi-Fi-based positioning promises a scalable and privacy-preserving solution for location-based services in indoor environments such as malls, airports, and campuses. RSS-based methods are widely deployable as RSS data is available on all…

Signal Processing · Electrical Eng. & Systems 2025-09-30 Abdulkadir Bilge , Erdem Ergen , Burak Soner , Sinem Coleri
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