Radio frequency energy harvesting (RFEH) and wireless power transmission (WPT) are two
emerging alternative energy technologies that have the potential to offer wireless energy …

In this article, a low-profile high-efficiency dual-band 0.915/2.45 GHz circularly polarized
(CP) antenna and its array are designed for radio frequency identification (RFID) reader …

Circularly polarized (CP) antennas are in high demand for use in future wireless
communications. To advance the development of CP substrate-integrated-waveguide (SIW) …

A substrate integrated suspended line (SISL) circularly polarized stacked patch antenna and
array is proposed. The stacked patch is introduced to achieve impedance matching and …

This letter demonstrates an ultra-wideband circularly polarized cavity-backed crossed-dipole
antenna. It consists of a modified crossed-dipole and a modified cavity. Each arm of the …

This paper presents a quad‐band, 3D mountable rectenna module for ambient energy
harvesting. With the aim of powering up Internet of Things (IoT) nodes in practical ambient …

This letter proposes a novel wideband crossed-dipole antenna that utilizes liquid metal
switches for polarization reconfiguration. The antenna consists of a wideband single-fed …

A polarization reconfigurable antenna based on dipoles is proposed for foldable
smartphones in this communication. Two dipoles, a driven dipole and a parasitic dipole, are …

This letter presents a broadband circularly polarized (CP) cross-dipole antenna. It consists of
crossed dipoles, parasitic elements, a cavity-backed reflector, and a circular ring reflector …

A circularly polarized (CP) crossed-dipole antenna with switchable rotating sense is
presented. The proposed design has two main attractive features. First, a wide overlapped …