New Advances in Indoor Navigation

A special issue of Geomatics (ISSN 2673-7418).

Deadline for manuscript submissions: closed (20 September 2022) | Viewed by 4199

Special Issue Editors


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Guest Editor
Engineering Geodesy, Institute of Geodesy and Geophysics, Vienna University of Technology, 1040 Vienna, Austria
Interests: positioning and navigation with GNSS; location-based services (LBS); indoor and pedestrian navigation; applications of multi-sensor systems
Special Issues, Collections and Topics in MDPI journals
Geoinformatics Laboratory, Department of Civil Engineering, Indian Institute of Technology Kanpur, Kanpur, Uttar Pradesh 208016, India
Interests: sensor fusion; cooperative positioning of different sensor platforms; unmanned aerial vehicle applications in mapping; navigation and tracking; LiDAR and deep learning for object detection; tracking and feature extraction

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Guest Editor
Unit of Spatial Planning and Regional Development – SPReD, School of Rural and Surveying Engineering, Natonionla Technical University of Athens NTUA., Zographou Campus, 15780 Zografou, Greece
Interests: sensor fusion and Kalman filtering for navigation, engineering surveying and structural deformation monitoring
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Contrary to outdoor environments, there is no overall solution based on a single technology for indoor navigation. Challenges include the complexity of the environments, low probability for line-of-sight (LOS) availability, blockage of signals and severe multipaths, and autonomous sensor deficiencies, but also the accuracy, availability, and reliability requirements of the chosen application. Thus, it is not easy to model radio propagation indoors, and therefore, alternative technologies are needed. A large variety of techniques and devices are used to provide indoor navigation, ranging from already deployed reconfigured devices to the use of smartphones. Lights, radio waves, magnetic fields, acoustic signals, and behavioral analytics can be used. For absolute positioning, usually either purpose-built installations with strategically placed relays and beacons throughout a defined space or so-called signal-of-opportunity are employed. Common systems include Wi-Fi (wireless fidelity), UWB (ultra-wide band), Bluetooth, etc. However, digital cameras and LiDAR (light detection and ranging) are being increasingly utilized, as they are nowadays found in mobile devices. Moreover, inertial sensors for relative positioning and navigation using the commonly employed dead reckoning technique are used. To obtain optimal indoor navigation solutions, sensor fusion techniques are also of high importance. The application of indoor navigation ranges from the navigation of persons and objects, such as to help visitors to find their destination in real time without deviations, to finding objects in complex building structures. Furthermore, systems must be able to define and adapt routes for different user groups, such as in the navigation of people with reduced mobility or visual impairment. This Special Issue aims to address these developments and provide insight into the related challenges and strategies for mitigation.

Dr. Guenther Retscher
Dr. Andrea Masiero
Dr. Salil Goel
Dr. Vassilis Gikas
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

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Keywords

  • user localization
  • absolute and relative positioning
  • pre-installed positioning systems
  • signal-of-opportunity
  • vision-based positioning
  • LiDAR
  • inertial navigation
  • mobile device

Published Papers (1 paper)

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Review

46 pages, 2047 KiB  
Review
Indoor Navigation—User Requirements, State-of-the-Art and Developments for Smartphone Localization
by Günther Retscher
Geomatics 2023, 3(1), 1-46; https://doi.org/10.3390/geomatics3010001 - 27 Dec 2022
Cited by 5 | Viewed by 3607
Abstract
A variety of positioning systems have emerged for indoor localization which are based on several system strategies, location methods, and technologies while using different signals, such as radio frequency (RF) signals. Demands regarding positioning in terms of performance, robustness, availability and positioning accuracies [...] Read more.
A variety of positioning systems have emerged for indoor localization which are based on several system strategies, location methods, and technologies while using different signals, such as radio frequency (RF) signals. Demands regarding positioning in terms of performance, robustness, availability and positioning accuracies are increasing. The overall goal of indoor positioning is to provide GNSS-like functionality in places where GNSS signals are not available. Analysis of the state-of-the-art indicates that although a lot of work is being done to combine both the outdoor and indoor positioning systems, there are still many problems and challenges to be solved. Most people moving on the city streets and interiors of public facilities have a smartphone, and most professionals working in public facilities or construction sites are equipped with tablets or smartphone devices. If users already have the necessary equipment, they should be provided with further functionalities that will help them in day-to-day life and work. In this review study, user requirements and the state-of-the-art in system development for smartphone localization are discussed. In particular, localization with current and upcoming ‘signals-of-opportunity’ (SoP) for use in mobile devices is the main focus of this paper. Full article
(This article belongs to the Special Issue New Advances in Indoor Navigation)
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