Using dimensionality reduction techniques for refining passive indoor positioning systems based on radio fingerprinting

PE Lopez-de-Teruel, O Canovas, FJ Garcia - Sensors, 2017 - mdpi.com
Indoor positioning methods based on fingerprinting and radio signals rely on the quality of
the radio map. For example, for room-level classification purposes, it is required that the …

Random forest based coarse locating and KPCA feature extraction for indoor positioning system

Y Mo, Z Zhang, Y Lu, W Meng… - … Problems in Engineering, 2014 - Wiley Online Library
With the fast developing of mobile terminals, positioning techniques based on fingerprinting
method draw attention from many researchers even world famous companies. To conquer …

Space division and dimensional reduction methods for indoor positioning system

Y Mo, Z Zhang, W Meng, G Agha - 2015 IEEE International …, 2015 - ieeexplore.ieee.org
With the popularity of smart phones and the development of mobile computing, indoor
positioning services have triggered large scale of technology innovation and commercial …

Radio map updated method based on subscriber locations in indoor WLAN localization

Y Xia, Z Zhang, L Ma - Journal of Systems Engineering and …, 2015 - ieeexplore.ieee.org
With the rapid development of wireless local area network (WLAN) technology, an important
target of indoor positioning systems is to improve the positioning accuracy while reducing …

Low-cost localisation considering LOS/NLOS impacts in challenging indoor environments

V Moghtadaiee, N Alikhani… - International Journal of …, 2020 - inderscienceonline.com
One popular indoor localisation method in wireless sensor networks (WSN) and wireless
local area networks (WLAN) is fingerprinting technique. However, the training stage of …

Research and application of underground WLAN adaptive radio fingerprint database

J Qian, M Song - Sensors, 2020 - mdpi.com
Fingerprint positioning based on WiFi in coal mines has received much attention because of
the widespread application of WiFi. Fingerprinting techniques have developed rapidly due to …

Joint semi-supervised rss dimensionality reduction and fingerprint based algorithm for indoor localization

CF Zhou, L Ma, XZ Tan - Proceedings of the 27th International Technical …, 2014 - ion.org
With the recent development in mobile computing devices and as the ubiquitous deployment
of access points (APs) of Wireless Local Area Networks (WLANs), WLAN based indoor …

[PDF][PDF] A New Positioning Scheme Exploiting RSS Difference of Arrival in Indoor Environments

C Jing, N Kim, Y Kim - International Journal of Smart Home, 2016 - gvpress.com
Three basic properties of radio signal, such as received signal strength (RSS), time of flight,
and angle of arrival, are commonly used in estimation of distance for positioning of a target …

[图书][B] Indoor Localization in Green Wireless LAN Environment

M Barakatain - 2015 - search.proquest.com
Indoor localization is an emerging field that enables people to benefit from location-based
services such as positioning and tracking. Wi-Fi received signal strength (RSS) based …

Power boosting factor determination in impulse postfix‐OFDM‐based positioning system

B Zhou, C Jing, Y Kim - International Journal of Communication …, 2016 - Wiley Online Library
Based on recently introduced novel impulse postfix‐OFDM scheme, we proposed a joint
time‐of‐arrival/angle‐of‐arrival positioning scheme, in which both channel estimation and …