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

In this paper, a compact microstrip forward broadside coupler (MFBC) with high coupling
level is proposed in the frequency band of 3.5 3.8 GHz. The coupler is composed of two …

Capacitive coupling wireless power transfer (CCWPT) is one of the pervasive methods to
transfer power in the reactive near-field zone. In this article, a flexible design methodology …

Magnetic field energy harvesting is the effective method to power the monitoring sensors by
capturing the magnetic field around the current-carrying structures. However, conventional …

The unpredictable propagation of ambient radio frequency (RF) waves may cause
significant randomness in power densities against the propagation distance, time, and …

In this article, we proposed a novel piezoelectric energy harvester based on hierarchical
auxetic structures to improve the power output. The auxetic structure can harvest more …

Abstract In recent years, Radio Frequency Energy Harvesting (RFEH) has matured into a
trustworthy and consistent method of obtaining ambient energy. For this energy to be …

This article presents a multiservice pixelated stacked antenna for dual-band application at
5.2 and 5.8-GHz bands. An efficient method for designing multilayer or stacked antennas for …

With the rapid development of smart grids, numerous monitoring sensors have been widely
used for the state inspection of power lines. To ensure reliable operation of these sensors …

The magnetic field energy harvester is suitable for the power source of sensors for power
equipment state monitoring, with the advantages of easy installation and high power density …