Results 11 to 20 of about 1,544,815 (380)
Positioning with the Global Positioning System [PDF]
AbstractThis year (1980) the U. S. Department of Defense has scheduled to have in operation six satellites of the Global Positioning System (GPS), which will provide timing and three dimensional position recovery potential to North America during certain segments of a day.
openaire +2 more sources
Mode Inference using enhanced Segmentation and Pre-processing on raw Global Positioning System data
Many applications use the Global Positioning System data that provide rich context information for multiple purposes. Easier availability and access of Global Positioning System data can facilitate various mobile applications, and one of such ...
Asif Nawaz+6 more
doaj +1 more source
GeoNotes: A Location-based Information System for Public Spaces [PDF]
The basic idea behind location-based information systems is to connect information pieces to positions in outdoor or indoor space. Through position technologies such as Global Positioning System (GPS), GSM positioning, Wireless LAN positioning ...
Cöster, Rickard+4 more
core +2 more sources
Single-Frequency Precise Point Positioning Using Regional Dual-Frequency Observations
High-precision and low-cost single-frequency precise point positioning (SF-PPP) has been attracting more and more attention in numerous global navigation satellite system (GNSS) applications.
Junping Zou, Ahao Wang, Jiexian Wang
doaj +1 more source
Global Positioning System and Inertial Navigation System can be used to determine position and velocity. A Global Positioning System module is able to accurately determine position without sensor drift, but its usage is limited in heavily urbanized ...
Yong-Jin Yoon+3 more
doaj +1 more source
Research on Multi-sensor Fusion Localization for Autonomous-rail Rapid Tram
Traditional positioning methods, such as GNSS (global navigation satellite system) and location base service, have large positioning error when applied in complex traffic scenarios such as like tunnels buildings and viaducts.
PAN Wenbo+5 more
doaj +1 more source
Research on a mixed prediction method to vehicle integrated navigation systems
Aiming to improve the positioning accuracy of vehicle integrated navigation system (strapdown inertial navigation system/Global Positioning System) when Global Positioning System signal is blocked, a mixed prediction method combined with radial basis ...
Di Zhao, Huaming Qian, Dingjie Xu
doaj +1 more source
Iterative least squares method for global positioning system [PDF]
The efficient implementation of positioning algorithms is investigated for Global Positioning System (GPS). In order to do the positioning, the pseudoranges between the receiver and the satellites are required.
Y. He, A. Bilgic
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Research Article. Improved Dual Frequency PPP Model Using GPS and BeiDou Observations
This paper introduces a new dual-frequency precise point positioning (PPP) model, which combines GPS and BeiDou observations. Combining GPS and BeiDou observations in a PPP model offers more visible satellites to the user, which is expected to enhance ...
Afifi A., El-Rabbany A.
doaj +1 more source
A Novel Deep Learning Approach to 5G CSI/Geomagnetism/VIO Fused Indoor Localization
For positioning tasks of mobile robots in indoor environments, the emerging positioning technique based on visual inertial odometry (VIO) is heavily influenced by light and suffers from cumulative errors, which cannot meet the requirements of long-term ...
Chaoyong Yang+5 more
doaj +1 more source