Indoor positioning has emerged as a hot topic that gained gradual interest from both
academia and industry. Accurate estimation is necessitated in a variety of location-based …

More and more applications of location-based services lead to the development of indoor
positioning technology. As a part of the Internet-of-Things ecosystem, most existing indoor …

Indoor localization is becoming critical to empower Internet of Things for various
applications, such as asset tracking, autonomous parking, virtual reality, context awareness …

Wireless Sensor Networks (WSNs) are most growing research area because of its low cost,
infrastructure less, increase capabilities of nodes, real time and accurate. Localization is a …

Nowadays, human indoor localization services inside buildings or on underground streets
are in strong demand for various location-based services. Since conventional GPS cannot …

The range measurement is the premise for location, and the precise range measurement is
the assurance of accurate location. Hence, it is essential to know the accurate internode …

Non-GPS localization has gained much interest from researchers and industries recently
because GPS might fail to meet the accuracy requirements in shadowing environments. The …

Accurately measuring tree diameter at breast height (DBH) and estimating tree positions in a
sample plot are important in tree mensuration. The main aims of this paper include (1) …

Wireless localization methods are often subject to errors due to radio signal fluctuations that
are used to estimate inter-device separation distances. We propose a novel method called …

In this paper, portable transceivers with micro-controllers and radio frequency modules are
developed to measure the received signal strength, path loss, and thus the distance …