RePos : relative position estimation of UHF-RFID tags for item-level localization [PDF]
, 2019 Radio frequency identification (RFID) technology brings tremendous applications in location-based services. Specifically, ultra-high frequency (UHF) RFID tag positioning based on phase (difference) of arrival (PoA/PDoA) has won great attention, due to ...
De Poorter, Eli +6 more
core +2 more sources
SaferCross: Enhancing Pedestrian Safety Using Embedded Sensors of Smartphone [PDF]
, 2020 The number of pedestrian accidents continues to keep climbing. Distraction from smartphone is one of the biggest causes for pedestrian fatalities. In this paper, we develop SaferCross, a mobile system based on the embedded sensors of smartphone to ...
Eun, Yongsoon +3 more
core +2 more sources
High precision hybrid RF and ultrasonic chirp-based ranging for low-power IoT nodes [PDF]
, 2020 Hybrid acoustic-RF systems offer excellent ranging accuracy, yet they typically come at a power consumption that is too high to meet the energy constraints of mobile IoT nodes.
Cox, B +4 more
core +2 more sources
Performance Analysis of Relative Positioning using GPS and BDS signals [PDF]
E3S Web of Conferences, 2019 In general, the satellite signal received by GNSS receivers has errors such as satellite clock error, orbit error, ionospheric delay and tropospheric delay.
Noh Jae Hee +5 more
doaj +1 more source
Evaluating indoor positioning systems in a shopping mall : the lessons learned from the IPIN 2018 competition [PDF]
, 2019 The Indoor Positioning and Indoor Navigation (IPIN) conference holds an annual competition in which indoor localization systems from different research groups worldwide are evaluated empirically.
Ali, Muhammad Usman +60 more
core +2 more sources
Construction and Accuracy Analysis of a BDS/GPS-Integrated Positioning Algorithm for Forests
Croatian Journal of Forest Engineering, 2021 The objective of this study was to construct a BeiDou navigation satellite system (BDS)/ global positioning system (GPS)-integrated positioning algorithm that meets the accuracy requirement of forest surveys and to analyze its accuracy to provide ...
Fei Yan, Xueqi Hu, Lidan Xu, Yongrui Wu
doaj +1 more source
Non-Taylor series based positioning method for location based services [PDF]
, 2008 Location Based Services (LBS) has gained increasing popularity in major cities. Due to blocking from man-made structures, the existing Global Positioning System (GPS) could not satisfy LBS applications, especially in street canyon and indoor surroundings.
Reza, Ahmed Wasef +2 more
core +2 more sources
Development of Precise Point Positioning Method Using Global Positioning System Measurements [PDF]
Journal of Astronomy and Space Sciences, 2011 Precise point positioning (PPP) is increasingly used in several parts such as monitoring of crustal movement and maintaining an international terrestrial reference frame using global positioning system (GPS) measurements.
Byung-Kyu Choi +4 more
doaj +1 more source
Remote Sensing, 2022 The high-precision geometric positioning of optical remote sensing satellites is the prerequisite to determine the application capability of satellite image products.
Qingyang Li +5 more
doaj +1 more source
Use of optoelectronic tweezers in manufacturing – accurate solder bead positioning [PDF]
, 2016 In this work, we analyze the use of optoelectronic tweezers (OETs) to manipulate 45 μm diameter Sn62Pb36Ag2 solder beads with light-induced dielectrophoresis force and we demonstrate high positioning accuracy.
Cooper, Jonathan M. +6 more
core +1 more source