Results 41 to 50 of about 108,914 (194)

A Hybrid Indoor Positioning System Based on Visible Light Communication and Bluetooth RSS Trilateration

open access: yesSensors, 2023
Indoor positioning has become an attractive research topic because of the drawbacks of the global navigation satellite system (GNSS), which cannot detect accurate locations within indoor areas.
Lamya Albraheem, Sarah Alawad
doaj   +1 more source

Integrated WiFi/PDR/Smartphone using an unscented Kalman filter algorithm for 3D indoor localization [PDF]

open access: yes, 2015
Because of the high calculation cost and poor performance of a traditional planar map when dealing with complicated indoor geographic information, a WiFi fingerprint indoor positioning system cannot be widely employed on a smartphone platform.
Chen   +15 more
core   +2 more sources

Evaluating indoor positioning errors [PDF]

open access: yes2015 International Conference on Information and Communication Technology Convergence (ICTC), 2015
With the advent of the indoor positioning field there has been a plethora of different approaches to locating people and assets in indoor environments, each with their own strengths and weaknesses. Despite this, a lot of the metrics used for optimization may contain hidden biases (unintended or neglected) or end up measuring aspects of the solution ...
Teemu Pulkkinen, Johannes Verwijnen
openaire   +1 more source

Using of GSM and Wi-Fi signals for indoor positioning based on fingerprinting algorithms [PDF]

open access: yes, 2015
In the paper framework for indoor positioning utilizing Wi-Fi and GSM signals is introduced. Nowadays, indoor positioning is a very attractive topic for researchers, since accurate and reliable positioning system can unlock new market to service ...
Brída, Peter, Machaj, Juraj
core   +2 more sources

Determining design criteria for indoor positioning system projects in hospitals: A design science approach

open access: yesDigital Health
Objectives Indoor navigation systems (indoor positioning systems) can improve orientation for patients in hospitals and help employees to track assets. Many hospitals would like to implement indoor positioning systems but do not know how. To support them
Johannes Wichmann   +4 more
doaj   +1 more source

A Novel Three-Dimensional Algorithm Based on Practical Indoor Visible Light Positioning

open access: yesIEEE Photonics Journal, 2019
With the increased demand of multiple information, positioning technology raises lots of attention in many fields, including military, emergency assistance, and tracking for vehicles.
H.-X. Zhao, J.-T. Wang
doaj   +1 more source

Optical wireless communication based indoor positioning algorithms: performance optimisation and mathematical modelling [PDF]

open access: yes, 2018
In this paper, the performance of the optimal beam radius indoor positioning (OBRIP) and two-receiver indoor positioning (TRIP) algorithms are analysed by varying system parameters in the presence of an indoor optical wireless channel modelled in line of
Beer   +5 more
core   +1 more source

A High-Accuracy Indoor-Positioning Method with Automated RGB-D Image Database Construction

open access: yesRemote Sensing, 2019
High-accuracy indoor positioning is a prerequisite to satisfy the increasing demands of position-based services in complex indoor scenes. Current indoor visual-positioning methods mainly include image retrieval-based methods, visual landmarks-based ...
Runzhi Wang   +4 more
doaj   +1 more source

Visible light communications-based indoor positioning via compressed sensing [PDF]

open access: yes, 2018
This paper presents an approach for visible light communication-based indoor positioning using compressed sensing. We consider a large number of light emitting diodes (LEDs) simultaneously transmitting their positional information and a user device ...
Ajmani, Manisha   +3 more
core   +3 more sources

Low-Cost Indoor Positioning Application Based on Map Assistance and Mobile Phone Sensors

open access: yesSensors, 2018
Current mainstream navigation and positioning equipment, intended for providing accurate positioning signals, comprise global navigation satellite systems, maps, and geospatial databases.
Yi-Shan Li, Fang-Shii Ning
doaj   +1 more source

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