A survey of indoor localization systems and technologies

F Zafari, A Gkelias, KK Leung - IEEE Communications Surveys …, 2019‏ - ieeexplore.ieee.org
Indoor localization has recently witnessed an increase in interest, due to the potential wide
range of services it can provide by leveraging Internet of Things (IoT), and ubiquitous …

Wi-Fi fingerprint-based indoor positioning: Recent advances and comparisons

S He, SHG Chan - IEEE Communications Surveys & Tutorials, 2015‏ - ieeexplore.ieee.org
The growing commercial interest in indoor location-based services (ILBS) has spurred
recent development of many indoor positioning techniques. Due to the absence of Global …

CSI-based fingerprinting for indoor localization: A deep learning approach

X Wang, L Gao, S Mao, S Pandey - IEEE transactions on …, 2016‏ - ieeexplore.ieee.org
With the fast-growing demand of location-based services in indoor environments, indoor
positioning based on fingerprinting has attracted significant interest due to its high accuracy …

Spotfi: Decimeter level localization using wifi

M Kotaru, K Joshi, D Bharadia, S Katti - … of the 2015 ACM conference on …, 2015‏ - dl.acm.org
This paper presents the design and implementation of SpotFi, an accurate indoor
localization system that can be deployed on commodity WiFi infrastructure. SpotFi only uses …

E-eyes: Device-free location-oriented activity identification using fine-grained WiFi signatures

Y Wang, J Liu, Y Chen, M Gruteser, J Yang… - Proceedings of the 20th …, 2014‏ - dl.acm.org
Activity monitoring in home environments has become increasingly important and has the
potential to support a broad array of applications including elder care, well-being …

A survey on wireless indoor localization from the device perspective

J **ao, Z Zhou, Y Yi, LM Ni - ACM Computing Surveys (CSUR), 2016‏ - dl.acm.org
With the marvelous development of wireless techniques and ubiquitous deployment of
wireless systems indoors, myriad indoor location-based services (ILBSs) have permeated …

Tagoram: Real-time tracking of mobile RFID tags to high precision using COTS devices

L Yang, Y Chen, XY Li, C **ao, M Li, Y Liu - Proceedings of the 20th …, 2014‏ - dl.acm.org
In many applications, we have to identify an object and then locate the object to within high
precision (centimeter-or millimeter-level). Legacy systems that can provide such accuracy …

Modern WLAN fingerprinting indoor positioning methods and deployment challenges

A Khalajmehrabadi, N Gatsis… - … Surveys & Tutorials, 2017‏ - ieeexplore.ieee.org
Wireless local area networks (WLANs) have become a promising choice for indoor
positioning as the only existing and established infrastructure, to localize the mobile and …

Hitchhike: Practical backscatter using commodity wifi

P Zhang, D Bharadia, K Joshi, S Katti - … of the 14th ACM conference on …, 2016‏ - dl.acm.org
We present HitchHike, a low power backscatter system that can be deployed entirely using
commodity WiFi infrastructure. With HitchHike, a low power tag reflects existing 802.11 b …

3D tracking via body radio reflections

F Adib, Z Kabelac, D Katabi, RC Miller - 11th USENIX Symposium on …, 2014‏ - usenix.org
This paper introduces WiTrack, a system that tracks the 3D motion of a user from the radio
signals reflected off her body. It works even if the person is occluded from the WiTrack …