Low-power wireless sensors will play a big role in smart city applications. These sensors
require a power supply to function. Batteries are not optimal for such numerous sensor …

Harvesting radio frequency (RF) energy from the environment to power electronic devices
has gradually become a mature technology. With the continuous research and development …

This paper proposes a circularly polarized ultra-thin flexible antenna with a flexible rectifier
and power management unit (PMU) for smartwatch/wristband applications. The flexible …

In this article, a seven-band omnidirectional rectenna is proposed for the first time to harvest
RF energy. The designed rectenna operates in the following practical and up-to-date …

In this letter, a compact dual-band rectenna is modeled and developed for low radio
frequency (RF) power harvesting. The proposed theoretical model can provide a …

In this paper, a new RF Energy Harvesting (RF-EH) system for Wireless Sensor Network
(WSN) feeding is proposed. It is based on two different monitored architectures using switch …

In this letter, a dual-band (DB) class-F harmonic termination structure is proposed for
designing a DB high-efficiency rectifier at two highly spaced separate frequency bands, that …

The proliferation of smart devices increases the demand for energy-efficient, battery-free
technologies essential for sustaining IoT devices in Industry 4.0 and 5G networks, which …

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

The main challenge faced by RF energy harvesting systems is to supply relatively small
electrical power to wireless sensor devices using microwaves. The solution is to implement …