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Analysis of RSSI Fingerprinting in LoRa Networks
2019
2019 15th International Wireless Communications & Mobile Computing Conference (IWCMC)
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Fingerprinting is a common technique for indoor positioning using short-range radio frequency (RF) technologies such as Bluetooth Low Energy (BLE). ...
We analyze the path loss exponent and the standard deviation of shadowing in each environment. ...
Fingerprinting based localization avoids hardware deployment cost and effort by relying on existing network infrastructure [6] . ...
doi:10.1109/iwcmc.2019.8766468
dblp:conf/iwcmc/AnjumKHMG19
fatcat:cgj3mdwayngdjprivi2jdcu3yi
Indoor Positioning System: A Review
2022
International Journal of Advanced Computer Science and Applications
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This paper introduces a review article on indoor positioning technologies, algorithms, and techniques. ...
As consequence, the indoor environment necessitates a different Indoor Positioning System (IPS) approach that is capable to locate the position within a structure. ...
We also want to thank the Government of Malaysia which provides the MyBrain15 program for sponsoring this work under the self-fund research grant and L0022 from the Ministry of Science, Technology, and ...
doi:10.14569/ijacsa.2022.0130659
fatcat:p55hqwumnrg73a65eng6w5gknq
Recent Advances in Indoor Localization: A Survey on Theoretical Approaches and Applications
2017
IEEE Communications Surveys and Tutorials
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In this paper, we survey different technologies and methodologies for indoor and outdoor localization with an emphasis on indoor methodologies and concepts. ...
In outdoor scenarios, the mobile terminal position is obtained with high accuracy thanks to the Global Positioning System (GPS) or to the standalone cellular systems. ...
RSS based Fingerprinting The RSS approach includes two main methods: the path loss lognormal shadowing model to deduce a trilateration, and the RSS fingerprinting [7] . ...
doi:10.1109/comst.2016.2632427
fatcat:zmfbflpv3jhvtpf62qshzivciq
Performance Evaluation of iBeacon Deployment for Location-Based Services in Physical Learning Spaces
2020
Applied Sciences
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This study performed a set of robustness and performance tests on BLE-based iBeacons in the teaching and learning environments to evaluate the performance of iBeacon signals for positioning. ...
to receive signals from iBeacons in both indoor and outdoor environments. ...
Conflicts of Interest: The authors declare no conflict of interest. ...
doi:10.3390/app10207126
fatcat:n6ovca5sl5dhriqowg2xth36mm
Online Indoor Localization Using DOA of Wireless Signals
[article]
2022
arXiv
pre-print
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fingerprint-based localization algorithms. ...
Localization of a wireless mobile device or a robot in indoor and GPS-denied environments is a difficult problem, particularly in dynamic scenarios where traditional cameras and LIDAR-based alternative ...
In indoor positioning and indoor navigation systems research, most of the existing work focuses on creating a fingerprinting database and using the fingerprinted data along with current real-time RSSI ...
arXiv:2201.05105v1
fatcat:bpjmo2jw6zedhpxwaiyu3guhom
An Infrastructure-Free Magnetic-Based Indoor Positioning System with Deep Learning
2020
Sensors
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Infrastructure-free Indoor Positioning Systems (IPS) are becoming popular due to their scalability and a wide range of applications. Such systems often rely on deployed Wi-Fi networks. ...
We believe that these results are competitive for an IPS based on a single sensing source. ...
Then, two postprocessing techniques, one based on a threshold and the other based on the highest probability pixels, we produce the most probable regions for the user position. ...
doi:10.3390/s20226664
pmid:33233815
fatcat:bk3uzjnf25byfdkwskibqvince
Mobile Positioning Techniques and Systems: A Comprehensive Review
2020
Mobile Information Systems
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This has quadrupled towards new advances on positioning techniques, enhancing the existing ones and brought more value to positioning-based systems. ...
Most of the survey papers have focussed on carrying out their review on conventional positioning techniques. ...
Conflicts of Interest e authors declare that there are no conflicts of interest regarding the publication of this paper. ...
doi:10.1155/2020/3708521
doaj:5d54bdc96d6e460c84fd50437f626809
fatcat:k5lujxfxoray3ltkcxffdbt6ri
Participatory location fingerprinting through stationary crowd in a public or commercial indoor environment
2019
Proceedings of the 16th EAI International Conference on Mobile and Ubiquitous Systems: Computing, Networking and Services
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The training phase of indoor location fingerprinting has been traditionally performed by dedicated surveyors in a manner that is time and labour intensive. ...
indoor map for correlating the traces, and the existence of landmarks throughout the area. ...
ACKNOWLEDGMENTS We would like to thank Malik Shams for the creation of the smartphone application, and the server-side program for data collection, and storage, and Sameet Sidhu for contributing to the ...
doi:10.1145/3360774.3360791
dblp:conf/mobiquitous/HossainL19
fatcat:rmsysmg455ck7k7bav6335dqlm
Indoor Localization Services for Hearing Aids using Bluetooth Low Energy
2019
EAI Endorsed Transactions on Pervasive Health and Technology
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METHODS: A research platform based on a single Oticon hearing aid and three embedded Raspberry Pi computers placed at three strategic locations in a home setting was developed. ...
OBJECTIVES: The aim of this study was to investigate the potential of using the BLE radio signal of hearing aids to provide indoor localization and positioning support when used in combination with fixed ...
The algorithm described in the paper was based on fingerprinting, and used a Multiple Neural Networks model for a determination of the user's position. ...
doi:10.4108/eai.15-5-2019.162799
fatcat:dp3mfgf6kjad5nw3xckvvwqxvm
A Multi-User Personal Indoor Localization System Employing Graph-Based Optimization
2019
Sensors
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Approaches based on filtration maintain only estimates of the current poses of the users, marginalizing the historical data. ...
These experiments demonstrate that graph-based optimization can be used as an efficient fusion mechanism to obtain accurate trajectory estimates both in the case of a single user and in a multi-user indoor ...
A single-user indoor positioning system based on this approach has been presented in our paper [11] . ...
doi:10.3390/s19010157
fatcat:bhcshipudrdztlc3wj7d6j4wtu
Multimodal Indoor Localization: Fusion Possibilities of Ultrasonic and Bluetooth Low-Energy Data
2022
IEEE Sensors Journal
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In this work, we present fusion possibilities of coarse Bluetooth Low Energy localization based on the received signal strength indicator and the finer ultrasound time difference of arrival (TDOA) technique ...
The resilience of indoor localization systems is a main concern of their industrial application. A combination of different techniques can enhance the overall robustness of such systems. ...
in [13] . b) NLOS Mitigation: However, the anticipated positioning accuracy of the mentioned systems and approaches for localization will be guaranteed only when the connections between the SMD and base ...
doi:10.1109/jsen.2022.3148529
fatcat:h6b65bsdbfaddnzpoyo4hc24eu
Factor Optimization for the Design of Indoor Positioning Systems Using a Probability-Based Algorithm
2021
Journal of Sensor and Actuator Networks
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Indoor Positioning Systems (IPSs) are designed to provide solutions for location-based services. ...
From the assumption that a log-distance path loss model can reasonably describe, on average, the distribution of RSS throughout the environment, we build a simulation framework to analyze the impact, on ...
The first ones are quite common in fingerprinting-based localization, which basically consists of two main steps: an offline phase, in which RSS measurements (fingerprints) are previously collected in ...
doi:10.3390/jsan10010016
fatcat:jjl5vkyb4vc5jpdsk47na3nmhe
One-Size-Fits-All Policies Are Unacceptable: A Sustainable Management and Decision-Making Model for Schools in the Post-COVID-19 Era
2022
International Journal of Environmental Research and Public Health
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An indoor–outdoor tracking system is established. Based on tracing data, we can assess people's infection risk, and allocate medical resources more effectively in case of emergency. ...
The term one-size-fits-all has two meanings: being blind to the pandemic, and conducting inflexible and harsh policies. ...
The war against COVID-19 is protracted, and it is difficult for us to anticipate the end of COVID-19 based on the status quo. ...
doi:10.3390/ijerph19105913
pmid:35627450
pmcid:PMC9140660
fatcat:zv7lwqwxgrc33ctm4tdy6lmjfa
Improvements for 802.11-Based Location Fingerprinting Systems
2009
2009 33rd Annual IEEE International Computer Software and Applications Conference
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Third, most systems that rely on a location fingerprinting approach need a time and effort consuming setup phase in which the training data has to be collected and processed. ...
Position estimation with 802.11 and location fingerprinting has been a topic in research for quite some time already. ...
Region-based Fingerprinting Region-based fingerprinting goes even one step further than quick fingerprinting. Measurements collected at different positions are combined into one fingerprint, too. ...
doi:10.1109/compsac.2009.13
dblp:conf/compsac/LemelsonKKE09
fatcat:thkw6p5qefgijptvbr2ftb223y
Indoor Localization Using Multiple Wireless Technologies
2007
2007 IEEE Internatonal Conference on Mobile Adhoc and Sensor Systems
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Indoor localization techniques using location fingerprints are gaining popularity because of their cost-effectiveness compared to other infrastructure-based location systems. ...
In this paper, we investigate many aspects of fingerprint-based location systems in order to enhance their accuracy. ...
To date, Ekahau's Positioning Engine Software [6] claims to be the most accurate location system based on probabilistic model; they claim a one-meter average accuracy with a short training time. ...
doi:10.1109/mobhoc.2007.4428622
dblp:conf/mass/HossainVJS07
fatcat:whe3pcid65hztp4ubastbf244i
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