Results 21 to 30 of about 110,153 (296)

Research on Wi-Fi indoor positioning technology based on knowledge graph

open access: yes物联网学报, 2022
Among the common Wi-Fi indoor positioning methods, most of the research focuses on the positioning accuracy, a little is on the application system to organize and process the existing indoor data efficiently in order to realize the indoor location ...
Jiandong LI, Jingjing YANG, Ming HUANG
doaj   +2 more sources

Development of an Indoor Location Based Service Test Bed and Geographic Information System with a Wireless Sensor Network

open access: yesSensors, 2010
In order to provide the seamless navigation and positioning services for indoor environments, an indoor location based service (LBS) test bed is developed to integrate the indoor positioning system and the indoor three-dimensional (3D) geographic ...
Shau-Shiun Jan, Li-Ta Hsu, Wen-Ming Tsai
doaj   +1 more source

Research Status and Trends of Indoor Positioning and Navigation Technology in China [PDF]

open access: yesJournal of Geodesy and Geoinformation Science, 2023
As an essential component of future comprehensive Positioning, Navigation, and Timing (PNT) system, indoor positioning technology has extensive application demands, making it a focal point of attention in both academia and industry.
Baoguo YU, Lu HUANG, Yachuan BAO, Haonan JIA, Shuang LI, Chong CHEN
doaj   +1 more source

Experimental evaluation of UWB indoor positioning for indoor track cycling [PDF]

open access: yes, 2019
Accurate radio frequency (RF)-based indoor localization systems are more and more applied during sports. The most accurate RF-based localization systems use ultra-wideband (UWB) technology; this is why this technology is the most prevalent.
De Poorter, Eli   +6 more
core   +2 more sources

Efficient AoA-based wireless indoor localization for hospital outpatients using mobile devices [PDF]

open access: yes, 2018
The motivation of this work is to help outpatients find their corresponding departments or clinics, thus, it needs to provide indoor positioning services with a room-level accuracy.
Abbasi, Qammer H.   +2 more
core   +1 more source

Performance evaluation of mobile U-navigation based on GPS/WLAN hybridization [PDF]

open access: yes, 2012
This paper present our mobile u-navigation system. This approach utilizes hybridization of wireless local area network and Global Positioning System internal sensor which to receive signal strength from access point and the same time retrieve Global ...
Mohamad, Mohd. Murtadha   +3 more
core   +1 more source

Observation Model for Indoor Positioning [PDF]

open access: yesSensors, 2020
The IEEE 802.11mc WiFi standard provides a protocol for a cellphone to measure its distance from WiFi access points (APs). The position of the cellphone can then be estimated from the reported distances using known positions of the APs. There are several “multilateration” methods that work in relatively open environments.
openaire   +4 more sources

Research and implementation of high precision indoor positioning technology for GPS pseudo satellite

open access: yesDianzi Jishu Yingyong, 2018
In order to achieve high-precision indoor positioning and overcome the limitations of GPS navigation system indoor or other complex environments, a high-precision indoor positioning scheme based on pseudo satellite is proposed.
Lu Weijun   +4 more
doaj   +1 more source

Study on Indoor and Outdoor Seamless Positioning Based on GPS and Wi-Fi Location Fingerprint [PDF]

open access: yesJisuanji gongcheng, 2016
To compensate blind for GPS positioning in indoor environments,provide accurate and seamless positioning in indoor and outdoor environments,based on GPS satellite positioning technology and Wi-Fi location fingerprint positioning technology,an indoor and ...
HU Ke,LIAO Xingyu,YU Min,WANG Lunjie
doaj   +1 more source

Research on Integration of Indoor and Outdoor Positioning in Professional Athletic Training

open access: yesProceedings, 2018
GNSS is widely used in professional athletic training as an outdoor location based services, and the indoor positioning technology has gradually flourished in the gymnasium.
Yongqing Liu, Qi Chen
doaj   +1 more source

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