Indoor collaborative positioning with adaptive particle-pair filtering based on dynamic user pairing

X Lu, K Yang, J Liu, C Yang, Z Zhang, H Zhang - IEEE Access, 2018 - ieeexplore.ieee.org
Technologies fusing WiFi-based indoor positioning and pedestrian dead reckoning for
indoor target localization have already been proposed for a variety of occasions. Among …

Navigation system, device and method using unsynchronized nodes

A Zohar - US Patent 11,061,103, 2021 - Google Patents
A system, device and method that enables at least two unsynchronized units with known
locations and an unsynchronized unit having an unknown location to communicate with …

High-precision multiple-antenna indoor positioning system based on chirp signal

C Wang, Z Zhang, L Wu, J Dang - 2017 9th International …, 2017 - ieeexplore.ieee.org
Indoor positioning is a hot topic in current research. Most of the existing indoor positioning
technologies based on time-difference-of-arrival (TDOA) require the time synchronization …

Investigation of the improved method for TDOA estimation with chirp signals

P Zietek, J Kolakowski… - 2012 19th International …, 2012 - ieeexplore.ieee.org
This paper includes results of the extensive measurement campaign aimed at verifying the
novel method for TDOA estimation in positioning systems utilizing chirp transmissions. The …

A Mitigation of Multipath Ranging Error Using Non-linear Chirp Signal

JI Kim, MB Heo, GI Jee - Journal of Electrical Engineering and …, 2013 - koreascience.kr
While the chirp signal is extensively used in radar and sonar systems for target decision in
wireless communication systems, it has not been widely used for positioning in indoor …