The RF to dc conversion efficiency of a rectenna often varies dramatically with the operating
frequency, input power, and polarization tilt angle. To stabilize the efficiency, this article …

This paper proposes and demonstrates a broadband rectifier circuit designed by maximizing
the quality factor of its input matching circuit. This paper clarifies the relationship between …

Use of dual frequency bands is one solution of the stable and continuous wireless sensor
system operations for aerospace applications. The operation by dual beam wireless power …

This article presents a novel multi‐band rectifier utilizing modified hybrid structure for radio
frequency (RF) energy harvesting. The proposed multi‐band rectifier consists of a modified …

In this letter, a compact complementary split ring based tri-band antenna is proposed. The
proposed antenna resonates at 1.9 GHz (1.70-1.91 GHz), 2.45 GHz (2.23-2.52 GHz) and 3.2 …

This paper introduces a radio frequency energy harvester system using a radio frequency
combining power circuit based on the characteristic of the 180° hybrid coupler to combine …

This paper proposes and demonstrates a concurrent 2.45 GHz/5.8 GHz rectifier. The
proposed concurrent dual-band rectifier drastically improves its RF-DC conversion efficiency …

This paper proposes and demonstrates a novel dualband rectifier at 2.45 GHz and 5.8 GHz.
The proposed rectifier employs a microstrip spurline notch filter to realize dual-band high RF …

This work presents a compact rectenna based on printed on paper electronics. The rectenna
is printed using mass production technique on an environmental-friendly and flexible paper …

In this paper, a 1.85 and 2.45 GHz dual-band dualpolarized rectenna for RF energy
harvesting is designed and experimentally validated. The proposed rectenna consists of …