Technologies and techniques of location and navigation are advancing, allowing greater
precision in locating people in complex and challenging conditions. These advances have …

In pursuit of the accomplishment of certain position estimations of targets in outdoor places,
finding the locations of the targets in indoor environments has been a significant topic. Exact …

We model the tracking of Bluetooth low-energy (BLE) transmitters as a three layer hidden
Markov model with joint state and parameter estimation. We are after a filtering distribution …

Knowing the precise and real-time location of underground mining workers is essential for
their health and safety in any emergency. However, the standard Global Positioning System …

As an indispensable type of information, location data are used in various industries.
Ultrawideband (UWB) technology has been used for indoor location estimation due to its …

Stable estimation of a user's position in a wide range of indoor spaces is difficult. In an
indoor localization field, a fingerprint method that compares the received signal strength …

Accurate laser positioning system (ALPS) is widely used in large space indoor dynamic
positioning. To improve the positioning accuracy and refresh frequency, the inertial …