Journal ArticleDOI
Location Fingerprinting With Bluetooth Low Energy Beacons
Ramsey Faragher,Robert Harle +1 more
TLDR
This work provides a detailed study of BLE fingerprinting using 19 beacons distributed around a ~600 m2 testbed to position a consumer device, and investigates the choice of key parameters in a BLE positioning system, including beacon density, transmit power, and transmit frequency.Abstract:
The complexity of indoor radio propagation has resulted in location-awareness being derived from empirical fingerprinting techniques, where positioning is performed via a previously-constructed radio map, usually of WiFi signals. The recent introduction of the Bluetooth Low Energy (BLE) radio protocol provides new opportunities for indoor location. It supports portable battery-powered beacons that can be easily distributed at low cost, giving it distinct advantages over WiFi. However, its differing use of the radio band brings new challenges too. In this work, we provide a detailed study of BLE fingerprinting using 19 beacons distributed around a $\sim\! 600\ \mbox{m}^2$ testbed to position a consumer device. We demonstrate the high susceptibility of BLE to fast fading, show how to mitigate this, and quantify the true power cost of continuous BLE scanning. We further investigate the choice of key parameters in a BLE positioning system, including beacon density, transmit power, and transmit frequency. We also provide quantitative comparison with WiFi fingerprinting. Our results show advantages to the use of BLE beacons for positioning. For one-shot (push-to-fix) positioning we achieve $30\ \mbox{m}^2$ ), compared to $100\ \mbox{m}^2$ ) and < 8.5 m for an established WiFi network in the same area.read more
Citations
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Proceedings ArticleDOI
Multidestination Indoor Navigation Using Path Planning and WiFi Fingerprint Localization
TL;DR: It can be seen that the proposed system enables user experience for indoor navigation service with support for automatic route updating and navigation refinement according to localization with significant performance improvement and higher noise tolerance with integration of the probabilistic priors.
Proceedings ArticleDOI
Real-time and Precise Indoor Localization System in Multi-Floor Buildings for Pedestrian using Cloud Platform
Taehun Kim,Beomju Shin,Chung G. Kang,Jung Ho Lee,Changsoo Yu,HA Ho Kyung,DongHyun Shin,Taikjin Lee +7 more
TL;DR: Wang et al. as discussed by the authors proposed the indoor localization technology based on surface correlation (SC), which can estimate the location of pedestrians on only one floor using only RF signal without using other sensors such as barometric pressure sensor.
Journal ArticleDOI
Hybrid Learning for Mobile Ad-hoc Distancing/Positioning Using Bluetooth Low Energy
TL;DR: In this paper , a hybrid learning method was proposed to support mobile ad-hoc distance estimation using BLE-enabled smartphones, which combines unsupervised learning, supervised learning and genetic algorithms for enhancing distance estimation accuracy.
Localization at room resolution with Bluegiga bluetooth low energy
Jo Verhaevert,Dries Van Baelen +1 more
TL;DR: In this article, the location of a test object or person can be determined at room resolution using Bluetooth Low Energy (BLE), where the test objects or persons are equipped with a BLE node and approximately central in each room a low-cost and low-power BLE sensor is placed.
Journal ArticleDOI
A Framework for Collaborative All-Source Navigation With Fault Detection and Exclusion
TL;DR: The ARMAS-SOM framework fuses collaborative all-source sensor information in a resilient manner with fault detection, exclusion, and integrity solutions recognizable to a GNSS user using a multifilter residual monitoring approach and augmented with an additional “observability” extended Kalman filter sublayer for resilience.
References
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Journal ArticleDOI
Survey of Wireless Indoor Positioning Techniques and Systems
TL;DR: Comprehensive performance comparisons including accuracy, precision, complexity, scalability, robustness, and cost are presented.
Proceedings ArticleDOI
The Horus WLAN location determination system
TL;DR: The Horus system identifies different causes for the wireless channel variations and addresses them and uses location-clustering techniques to reduce the computational requirements of the algorithm and the lightweight Horus algorithm helps in supporting a larger number of users by running the algorithm at the clients.
Journal ArticleDOI
A Survey of Indoor Inertial Positioning Systems for Pedestrians
TL;DR: It is concluded that PDR techniques alone can offer good short- to medium- term tracking under certain circumstances, but that regular absolute position fixes from partner systems will be needed to ensure long-term operation and to cope with unexpected behaviours.
Enhancements to the RADAR User Location and Tracking System
TL;DR: This paper analyzes shortcomings of the basic system, develops and evaluates solutions to address these shortcomings, and describes several new enhancements, including a novel access point-based environmental profiling scheme, and a Viterbi-like algorithm for continuous user tracking and disambiguation of candidate user locations.
Network Time Protocol Version 4: Protocol and Algorithms Specification
TL;DR: NTP version 4 (NTPv4), which is backwards compatible with NTP version 3 (N TPv3), described in RFC 1305, as well as previous versions of the protocol, are described.
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