Environmental energy-harvesting technologies, such as solar, vibration, and radio frequency
(RF) energies, can effectively increase the lifespan of wireless sensor nodes while reducing …

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

In this paper, a Duty Cycling Centralized Hierarchical Protocol (DCCHP) has been proposed
for wireless sensor networks. DCCHP is an energy efficient protocol that prolongs the …

This paper presents a compact RF energy harvesting wireless sensor node with the
antenna, rectifier, energy management circuits, and load integrated on a single printed …

Internet of Things (IoT) is widely involved in environmental monitoring. IoT network has a
limited energy supply which impacts the network's lifetime. At present, limited energy is a …

Wireless sensor network (WSN) has been a promising technology and widely involved in
environmental monitoring. The limited energy supply associated with WSNs impacts the …

Due to buildings blocking GPS and Wi-Fi signals, traditional techniques can't offer the user's
required positioning accuracy in resource-constrained underground parking, but the …

Location information is attracting more and more attention due to the increasing awareness
of its importance for a wide range of applications. Whether it is for tracking valuable assets in …

Due to dynamic changes in the environment of underground coal mine (UCM), the mining
area has become hazarodous that set down the miner lives in to high risk. Therefore, there is …

When analyzing power consumption of Sensor Nodes, most of the existing energy models
are constrained to narrow domains, which has made harder for researchers to establish fair …