Results 11 to 20 of about 128,330 (300)
Research on Multi-sensor Fusion Localization for Autonomous-rail Rapid Tram
Kongzhi Yu Xinxi Jishu, 2022 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 +3 more sources
Mode Inference using enhanced Segmentation and Pre-processing on raw Global Positioning System data
Measurement + Control, 2020 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
A commentary of Hyper-accurate position in MIT Technology Review 2021
Fundamental Research, 2021 The positioning accuracy improvement of satellite navigation system support the development of industries related to high accuracy positioning. The BeiDou global satellite navigation system (BDS-3) started providing full-scale global services in 2020 ...
Xia Ren, Yuanxi Yang
doaj +1 more source
Advances in Mechanical Engineering, 2015 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
Iterative least squares method for global positioning system [PDF]
Advances in Radio Science, 2011 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
doaj +1 more source
Single-Frequency Precise Point Positioning Using Regional Dual-Frequency Observations
Sensors, 2021 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
Research on a mixed prediction method to vehicle integrated navigation systems
International Journal of Advanced Robotic Systems, 2019 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
Research Article. Improved Dual Frequency PPP Model Using GPS and BeiDou Observations
Journal of Geodetic Science, 2017 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
International Journal of Distributed Sensor Networks, 2019 People have to move between indoor and outdoor frequently in city scenarios. The global navigation satellite system signal cannot provide reliable indoor positioning services.
Deyue Zou +7 more
doaj +1 more source
A Novel Deep Learning Approach to 5G CSI/Geomagnetism/VIO Fused Indoor Localization
Sensors, 2023 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