Results 1 to 10 of about 170,252 (259)

Performance improvement of 5G positioning utilizing multi-antenna angle measurements

open access: yesSatellite Navigation, 2022
Time delay-based the 5th Generation Mobile Communication Technology (5G) positioning is a main method to perform high-precision positioning in Global Navigation Satellite System (GNSS) denied areas.
Wenfei Guo   +4 more
doaj   +1 more source

Multi-station positioning accuracy and enhancement method for 5G

open access: yes物联网学报, 2023
RAT-dependent is a satellite independent positioning technology of 5G.3GPP gives the Cramer-Rao lower bound (CRLB) of the positioning accuracy under the ideal condition of a single station and the simulation positioning accuracy of multi-station under ...
Feilong ZHAO, Lili WANG
doaj   +2 more sources

An improved received signal strength indicator positioning algorithm based on weighted centroid and adaptive threshold selection

open access: yesAlexandria Engineering Journal, 2021
Positioning is a widely used technology in wireless sensor network (WSN). For range-based positioning, the positioning accuracy is proportional to positioning accuracy. As a low-cost positioning method, the range-based received signal strength indicator (
Junchao Tang, Jianhui Han
doaj   +1 more source

Experimental Research of Triple Inertial Navigation System Shearer Positioning

open access: yesMicromachines, 2023
In order to improve the positioning accuracy of shearers, the overground experimental device based on the positioning model of TINS (Triple Inertial Navigation System) was built.
Cheng Lu   +4 more
doaj   +1 more source

Performance Analysis of Relative Positioning using GPS and BDS signals [PDF]

open access: yesE3S 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

Construction and Accuracy Analysis of a BDS/GPS-Integrated Positioning Algorithm for Forests

open access: yesCroatian 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

Development of Precise Point Positioning Method Using Global Positioning System Measurements [PDF]

open access: yesJournal 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

A Study on the Application of WSN Positioning Technology to Unattended Areas

open access: yesIEEE Access, 2019
Wireless sensor network (WSN) is a kind of self-organized network that plays a critical role in the rescue and relief work of some unattended areas in recent years.
Yanhui Lv, Yong Liu, Jiangfeng Hua
doaj   +1 more source

Geometric Quality Improvement Method of Optical Remote Sensing Satellite Images Based on Rational Function Model

open access: yesRemote 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

Landmark Attribute Analysis for a High-Precision Landmark-Based Local Positioning System

open access: yesIEEE Access, 2021
GPS signals are not reliable in urban canyons or inside tunnels. In those situations, accurate local positioning is possible through local landmarks. This paper presents the potential accuracy of such a landmark-based local positioning system and the ...
Juhui Gim, Changsun Ahn, Huie Peng
doaj   +1 more source

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