The recent breakthrough in wireless power transfer (WPT) technology has empowered
wireless rechargeable sensor networks (WRSNs) by facilitating stable and continuous …

Abstract Recently, the Internet of Things (IoT) had emerged very rapidly and became the
most important technology in today's era. In an IoT-based environment, every physical object …

In wireless sensor networks (WSNs), energy efficiency is a significant design challenge that
can be resolved by clustering and routing approaches. They are considered as Non …

Wireless sensor network (WSN) is used to sense the environment, collect the data, and
further transmit it to the base station (BS) for analysis. A synchronized tree-based approach …

One of the most effective approaches to increase the lifetime of wireless sensor networks
(WSNs), is the use of a mobile sink to collect data from sensor. In WSNs, mobile sinks …

A wireless sensor network consists of a large number of nodes, sending sensed data to the
base station or sink, either directly or through intermediate nodes. Multi-hop communication …

Existing studies on wireless sensor networks (WSNs) have revealed that the limited battery
capacity of sensor nodes (SNs) hinders their perpetual operation. Recent findings in the …

In wireless sensor networks, optimizing the network lifetime is an important issue. Most of the
existing works define network lifetime as the time when the first sensor node exhausts all of …

Data collection with mobile elements can improve energy efficiency and balance load
distribution in wireless sensor networks (WSNs). However, complex network environments …

Data collection through mobile sink (MS) in wireless sensor networks (WSNs) is an effective
solution to the hot-spot or sink-hole problem caused by multi-hop routing using the static …