NDLI: Ranging and fingerprinting-based indoor Wi-Fi localisation using channel state information

Content Provider	IET Digital Library
Author	Wang, Yong Yang, Ju Sun, Guangwen Wang, Xiyuan
Abstract	In this study, a hybrid indoor localisation scheme based on ranging and fingerprinting using the calibrated channel state information is presented. In ranging, regarding the serious indoor multipath effect, the authors propose a ranging scheme based on channel impulse response to improve the ranging accuracy and stability of the existing ranging scheme using received signal strength. In fingerprint extraction, they utilise phase difference between antennae to generate fingerprint. The phase difference is more stable and better represents a specific location. Different from the traditional fingerprint-based scheme including establishing fingerprint database and matching all the fingerprints, they use multi-layer perceptron to learn a classification model by training on a fingerprint dataset and the new fingerprints are feed to the model to predict the corresponding locations. Their scheme can significantly reduce the computational overhead by the introduction of the distance between transceivers. Finally, they conduct and validate the proposed scheme in two typical indoor environments by extensive experiments. The result shows that the localisation accuracy can be significantly enhanced using their scheme.
Starting Page	2106
Ending Page	2114
Page Count	9
ISSN	17518628
Volume Number	13
e-ISSN	17518636
Issue Number	Issue 14, Aug (2019)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-com/13/14
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-com.2018.6063
Journal	IET Communications
Publisher Date	2019-05-15
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Calibrated Channel State Information Channel Impulse Response Computer Communication Computer Vision And Image Processing Technique Existing Ranging Scheme Fingerprint Database Fingerprint Dataset Fingerprint Extraction Fingerprint Identification Hybrid Indoor Localisation Scheme Image Recognition Indoor Communication Indoor Radio Local Area Network Localisation Accuracy Mobile Radio System Multilayer Perceptrons Neural Computing Technique Phase Difference Radio Link And Equipment Radio Navigation And Direction Finding Radionavigation Ranging Accuracy Ranging Fingerprinting Sensor Placement Serious Indoor Multipath Effect Signal Processing And Detection Stability Traditional Fingerprint-based Scheme Including Typical Indoor Environments Wireless LAN
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Computer Science Applications

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