Results 41 to 50 of about 138,872 (154)

Analysis of Multipath Changes in the Polish Permanent GNSS Stations Network

open access: yesRemote Sensing
This study examines the influence of multipath errors on Global Navigation Satellite System (GNSS) measurements collected at ASG-EUPOS reference stations between 2010 and 2021.
Jacek Rapiński   +2 more
doaj   +1 more source

Vehicle location measurement method for radio-shadow area through iBeacon message

open access: yesInternational Journal of Distributed Sensor Networks, 2018
Information communication technology related vehicle services need to support location and the transmission of communication and traffic information between vehicles, or between vehicles and infrastructure.
ChoonSung Nam, Dong-Ryeol Shin
doaj   +1 more source

CNVPS: Cooperative Neighboring Vehicle Positioning System Based on Vehicle-to-Vehicle Communication

open access: yesIEEE Access, 2019
One of the key components of the intelligent transport system is to provide a safe driving environment. The ability to quickly and accurately recognize the surrounding environments and neighboring vehicles is essential for the development of safety ...
Sanghyuck Nam   +3 more
doaj   +1 more source

OL-SLAM: A Robust and Versatile System of Object Localization and SLAM

open access: yesSensors, 2023
This paper proposes a real-time, versatile Simultaneous Localization and Mapping (SLAM) and object localization system, which fuses measurements from LiDAR, camera, Inertial Measurement Unit (IMU), and Global Positioning System (GPS).
Chao Chen   +6 more
doaj   +1 more source

Study of The Most Important Applications of Local Positioning System (LPS) In Iran [PDF]

open access: yesفصلنامه علوم و فناوری فضایی, 2018
Demand for positioning services with proper coverage and high accuracy has been increased rapidly in recent years. A global positioning system solves many users’ requirements and presents positioning services with global coverage and proper accuracy ...
Mohammad Rezaei   +2 more
doaj  

PENERAPAN SISTEM PRESENSI MOBILE DENGAN MENGGUNAKAN SENSOR GPS (KLINIK PRATAMA X DI JEMBER)

open access: yesJurnal Nasional Pendidikan Teknik Informatika (JANAPATI), 2020
Perangkat dengan sensor sidik jari yang digunakan sebagai perangkat khusus untuk menangani presensi sangat rentan mengalami kerusakan dan susah untuk dikonfigurasikan di saat awal penggunaannya. Dengan penelitian ini, harapannya diperoleh suatu perangkat
Ely Mulyadi   +2 more
doaj   +1 more source

Dynamic tracking performance of indoor global positioning system: An experimental and theoretical study

open access: yesAdvances in Mechanical Engineering, 2015
The automation level has been improved rapidly with the introduction of large-scale measurement technologies, such as indoor global positioning system, into the production process among the fields of car, ship, and aerospace due to their excellent ...
Gang Zhao   +5 more
doaj   +1 more source

Error Model for Autonomous Global Positioning Method Using Polarized Sky Light and True North Measurement Instrument

open access: yesApplied Sciences
Long-distance navigation requires global positioning methods to have complete autonomy, particularly when the Global Positioning System is unavailable.
Yinlong Wang   +3 more
doaj   +1 more source

Ionospheric biases correction for coordinates derived from GPS single point positioning

open access: yesAnnals of Geophysics, 2005
Most GPS users employ low cost receivers. These receivers do not allow users to record the pseudorange that they observe, but the computed coordinates. This work presents an original and simple method to correct ionospheric biases introduced in
M. Herraiz   +4 more
doaj   +1 more source

The Global Positioning System

open access: yes, 2013
The Global Positioning System or GPS is the oldest and most widely used GNSS system, and as such will be extensively discussed in this and the next chapter. The development of GPS satellites dates from the 1960s.
Awange, J. L., Kyalo Kiema, J. B.
openaire   +2 more sources

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