The coverage problem in wireless sensor networks (WSNs) can be generally defined as a
measure of how effectively a network field is monitored by its sensor nodes. This problem …

The wide proliferation of various wireless communication systems and wireless devices has
led to the arrival of big data era in large-scale wireless networks. Big data of large-scale …

Localization is one of the challenges in wireless sensor networks, especially those without
the aid of a global positioning system. Use of a dedicated positioning device incurs …

When localizing wireless sensor networks, estimating the distances of sensor nodes
according to the known locations of the anchor nodes remains a challenge. As nodes may …

Currently, wireless sensor networks (WSNs) are providing practical solutions for various
applications, including smart agriculture and healthcare, and have provided essential …

Due to their low cost, various range-free localization techniques are widely applied to
estimate device locations in wireless sensor networks (WSNs), especially where other …

Wireless sensor networks have been considered as an emerging technology for numerous
applications of cyber-physical systems. These applications often require the deployment of …

Due to the quickly aging population, the number of elderly persons is rapidly increasing,
posing significant challenges for monitoring and assisting them in indoor and outdoor …

In wireless sensor networks (WSNs), location or distance estimation information for the
elderly is a critical issue. This study aims to improve the error in estimated distance between …

Smart multifunctional sensors integrated with wireless connectivity (also known as wireless
sensor networks or WSNs) play an important role in the Internet of Things (IoT). Several …