NDLI: Automatic radio map creation in a fingerprinting-based BLE/UWB localisation system

Content Provider	IET Digital Library
Author	Kolakowski, Marcin
Abstract	One of the most popular localisation algorithms used in radio localisation systems is fingerprinting. The method has significant advantages: its implementation is easy and since it does not require any information on system infrastructure placement, it can be implemented in already deployed networks. However, it has a significant drawback, which is a high effort needed to create the radio map used for localisation. This study describes a low-effort method for automatic radio map creation intended for use in hybrid Bluetooth low energy/ultra-wideband (BLE/UWB) positioning systems. The proposed method adopts fingerprint crowdsourcing and radio map interpolation approaches. It consists in collecting signatures comprising user location calculated using an UWB subsystem and measured BLE signal levels. The recorded data is used to identify parameters of a log-distance path loss model and a Gaussian process regressor and interpolate a complete radio map. The presented concept was experimentally tested. The results have shown that the method allows for more accurate localisation than conventional received signal strength ranging based solution.
Starting Page	1758
Ending Page	1765
Page Count	8
ISSN	17518725
Volume Number	14
e-ISSN	17518733
Issue Number	Issue 14, Nov (2020)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-map/14/14
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-map.2019.0953
Journal	IET Microwaves, Antennas & Propagation
Publisher Date	2020-08-21
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Automatic Radio Map Creation BLE Signal Levels BLE-UWB Localisation System Bluetooth Fingerprint Crowdsourcing Gaussian Process Regressor Gaussian Processes Hybrid Bluetooth Low Energy Interpolation Interpolation And Function Approximation Localisation Algorithm Log-distance Path Loss Model Low-effort Method Numerical Analysis Radio Link And Equipment Radio Localisation System Radio Map Interpolation Regression Analysis Signal Processing Signal Processing And Detection Statistics System Infrastructure Placement Ultra Wideband Communication Ultra-wideband Positioning System UWB Subsystem
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
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9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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