A comprehensive and reproducible comparison of clustering and optimization rules in wi-fi fingerprinting

J Torres-Sospedra, P Richter, A Moreira… - IEEE Transactions …, 2020 - ieeexplore.ieee.org
Wi-Fi fingerprinting is a well-known technique used for indoor positioning. It relies on a
pattern recognition method that compares the captured operational fingerprint with a set of …

A sector-based campus-wide indoor positioning system

TJ Gallagher, B Li, AG Dempster… - … Conference on Indoor …, 2010 - ieeexplore.ieee.org
The purpose of this paper is to describe a campus-wide indoor and outdoor positioning
system developed at the School of Surveying and Spatial Information Systems at the …

Accuracy of a Single Position Estimate for kNN-Based Fingerprinting Indoor Positioning Applying Error Propagation Theory

A Pérez-Navarro, R Montoliu… - IEEE Sensors …, 2023 - ieeexplore.ieee.org
Indoor positioning systems usually consider the average positioning error over a set of
evaluation samples, or a quartile of that value, as the global error. However, they do not …

A novel low-cost intelligent shopping cart

J Suryaprasad, BOP Kumar, D Roopa… - 2011 IEEE 2nd …, 2011 - ieeexplore.ieee.org
An innovative product with societal acceptance is the one that aids the comfort, convenience
and efficiency in everyday life. In this paper, we discuss a novel product “A Novel Low-Cost …

New cluster selection and fine-grained search for k-means clustering and wi-fi fingerprinting

J Torres-Sospedra, D Quezada-Gaibor… - … on Localization and …, 2020 - ieeexplore.ieee.org
Wi-Fi fingerprinting is a popular technique for Indoor Positioning Systems (IPSs) thanks to its
low complexity and the ubiquity of WLAN infrastructures. However, this technique may …

Revisiting the analysis of hyperparameters in k-nn for wi-fi and ble fingerprinting: Current status and general results

C Rodriguez-Martinez… - … Conference on Indoor …, 2021 - ieeexplore.ieee.org
Wi-Fi Fingerprinting is a very popular technique in the field of indoor positioning, since the
release of Microsoft RADAR system back in 2000. Since that milestone, the vast majority of …

On-demand fingerprint selection for 802.11-based positioning systems

T King, T Haenselmann… - … Symposium on a World of …, 2008 - ieeexplore.ieee.org
Fingerprinting is a popular technology for 802.11-based positioning systems: Radio
characteristics from different access points are measured at various positions and stored in a …

Efficient tuning of NN hyperparameters for indoor positioning with N-TBEA

R Montoliu, A Pérez-Navarro… - … Congress on Ultra …, 2022 - ieeexplore.ieee.org
Machine Learning is a very popular approach for indoor positioning. However, most of
models rely on a set of hyperparameters, which need to be properly set. When the number of …

Loc {lib, trace, eva, ana} research tools for 802.11-based positioning systems

T King, T Butter, T Haenselmann - Proceedings of the second ACM …, 2007 - dl.acm.org
802.11-based positioning systems are a hot topic in research. However, no standardized set
of tools has been established to facilitate the research process. In this paper, we contribute …

Improvements for 802.11-based location fingerprinting systems

H Lemelson, S Kopf, T King… - 2009 33rd Annual IEEE …, 2009 - ieeexplore.ieee.org
Position estimation with 802.11 and location fingerprinting has been a topic in research for
quite some time already. But there are still some unaddressed issues that are the reason …