There has been an explosion in research focused on Internet of Things (IoT) devices in
recent years, with a broad range of use cases in different domains ranging from industrial …

Radio-frequency (RF) energy harvesting (RFEH) and radiative wireless power transfer
(WPT) have attracted significant interest as methods of enabling battery-free sustainable …

This paper presents a novel broadband rectenna for ambient wireless energy harvesting
over the frequency band from 1.8 to 2.5 GHz. First of all, the characteristics of the ambient …

This letter presents a high-efficiency 2.45-GHz rectenna that can harvest low input RF power
effectively. A new antenna with a simple structure and high gain of 8.6 dBi is proposed for …

This paper discusses far-field wireless powering for low-power wireless sensors, with
applications to sensing in environments where it is difficult or impossible to change batteries …

An implantable rectenna, which consists of a planar inverted-F antenna (PIFA) and a rectifier
circuit, is proposed for far-field wireless power transfer. The PIFA has a folded ground plane …

We describe the design of a multiport pixel rectenna for ambient radio-frequency (RF)
energy harvesting consisting of an optimized triple-port pixel antenna and a triple-port …

Energy harvesting (EH) or scavenging is recognized as harvesting energy from ambient
energy sources in the surrounding environment. This paper reports a literature review on …

High-efficiency rectennas for radio frequency (RF) energy harvesting have been studied for
decades, but most of the literature straightforwardly applies the rectenna aiming at dedicated …

This letter presents a compact fractal loop rectenna for RF energy harvesting at GSM1800
bands. First, a fractal loop antenna with novel in-loop ground-plane impedance matching is …