Internet of Things (IoT) is expected to change the everyday life of its users by enabling data
exchanges among pervasive things through the Internet. Such a broad aim, however, puts …

Real-time locating and tracking Technology plays a significant role in location-based IoT
applications. With the extensive installation of WiFi access points, the WiFi based indoor …

In this paper, we concern ourselves with the development of a localization system that
permits multiple robots to localize themselves simultaneously within a given area, which has …

Due to the blockage of satellite signals by the buildings and other structures, the high-
accuracy, reliability and real-time indoor location-based services is one of the challenges for …

More and more applications of location-based services lead to the development of indoor
positioning technology. Wi-Fi-based indoor localization has been attractive due to its …

Clock synchronization is crucial for applications in wireless sensor networks, such as event
scheduling and data fusion. In practical wireless networks, environmental changes cause …

Existing packet-based synchronization approaches take extensive energy for industrial
wireless sensor networks due to substantial timing message exchanges. Combined with …

Clock synchronization is essential for a large number of applications ranging from
performance measurements in wired networks to data fusion in sensor networks. Existing …

Indoor positioning systems have received increasing attention for supporting location-based
services in indoor environments. Wi-Fi based indoor localisation has become attractive due …

Time synchronization remains as a challenging task in wireless sensor networks that face
severe resource constraints. Unlike previous work's aiming at pure clock accuracy, this …