Accurate indoor location information in multi-building/floor environments is essential for
establishing many indoor location-based services (LBS). Wi-Fi fingerprinting with received …

With the addition of the Fine Timing Measurement (FTM) protocol in IEEE 802.11-2016, a
promising sensor for smartphone-based indoor positioning systems was introduced. FTM …

The goal of this paper is to shed some light on the usefulness of a contact tracing
smartphone app for the containment of the COVID-19 pandemic. We review the basics of …

A wide variety of sensors and devices are used in indoor positioning scenarios to improve
localization accuracy and overcome harsh radio propagation conditions. The availability of …

With the continued deployment of the Internet of Things (IoT), increasing volumes of devices
are being deployed that emit massive spatially referenced data. Due in part to the dynamic …

Indoor positioning systems based on WiFi round-trip time (RTT) measurement were reported
to deliver sub-metre-level accuracy using trilateration, under ideal indoor conditions …

Within the rapidly expanding Internet of Things (IoT), growing amounts of spatially
referenced data are being generated. Due to the dynamic, decentralized, and …

Range-only localization has applications as diverse as underwater navigation, drone
tracking and indoor localization. While the theoretical foundations of lateration-range-only …

Indoor positioning system based on WiFi Round-Trip Time (RTT) measurement is believed
to deliver sub-metre level accuracy with trilateration, under ideal indoor conditions …

Recently, for indoor personal drones, there have been a number of challenges in localizing
users, such as how to accurately identify their location and identification. This article …