Journal ArticleDOI
Understanding GPS. Principles and Applications
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This article is published in Journal of Atmospheric and Solar-Terrestrial Physics.The article was published on 1997-03-01. It has received 1368 citations till now. The article focuses on the topics: Global Positioning System.read more
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Human Behavior Cognition Using Smartphone Sensors
Ling Pei,Robert Guinness,Ruizhi Chen,Jingbin Liu,Heidi Kuusniemi,Yuwei Chen,Liang Chen,Jyrki Kaistinen +7 more
TL;DR: Preliminary tests indicate that the LoMoCo (Location-Motion-Context) model, which combines the latest positioning technologies and phone sensors to capture human movements in natural environments and use the movements to study human behavior, has successfully achieved the Activity-Level Descriptors level.
Journal ArticleDOI
Relative Positioning Enhancement in VANETs: A Tight Integration Approach
TL;DR: A CP method is presented to improve the relative positioning between two vehicles within a VANET, fusing the available low-level Global Positioning System (GPS) data.
Proceedings ArticleDOI
Faster GPS via the sparse fourier transform
TL;DR: This paper presents the fastest GPS locking algorithm to date, which exploits the sparse nature of the synchronization problem, where only the correct alignment between the received GPS signal and the satellite code causes their cross-correlation to spike.
Journal ArticleDOI
A Survey and Analysis of the GNSS Spoofing Threat and Countermeasures
TL;DR: This survey aims to assess in detail the exact nature of threat scenarios posed by spoofing against the most commonly cited targets, and to survey and assess the effectiveness of a wide range of proposed defences against GNSS spoofing.
Journal ArticleDOI
Randomized initialization protocols for ad hoc networks
Koji Nakano,Stephan Olariu +1 more
TL;DR: This work proposes efficient randomized initialization protocols for ad hoc networks (AHN) and shows that if the number n of stations is known beforehand, an n-station, single-channel AHN can be initialized with probability exceeding 1-(1/n), in en+O(/spl radic/(nlogn)) time slots, regardless of whether the AHN has collision detection capability.