This literature presents a comprehensive, technical review of circularly polarized (CP)
antennas for different applications in wireless communication, emphasizing on the recent …

This letter proposes a circular patch antenna with dual-band circular polarization at the UHF-
RFID and WLAN bands. Two perpendicular slots are etched on the patch to down-shift the …

Aiming to the limitations of traditional reconfigurable antennas, this paper proposes a novel
reconfigurable antenna that can achieve four polarizations and continuously-tunable …

This article proposes a unique approach to design RFID Reader antenna for Internet of
things applications. Here a circular patch with two orthogonal slots etched on the patch is …

This paper presents two polarization reconfigurable patch antennas using semiconductor
distributed doped areas (ScDDAs) as active components. One proposed antenna has a …

Circular polarized antennas of fer the advantage of minimizing polarization mismatch, as
they can effectively align with the polarization of the received signal disregarding of the …

Circularly polarized antennas are the key elements for current and future wireless
communication systems. This chapter discusses the advantages of circularly polarized (CP) …

Circular polarized microstrip antenna have been proposed to establish connection among
distributed solar farms. The base station antenna of each solar farm permits more precise on …

Passively controlled reconfigurable antennas are desirable for their relatively inexpensive
cost compared to the intensive implementation of RF integrated circuits. Extensive research …

This paper presents the development of a circular array of switched beam antennas
composed of four antennas with circular polarization and switchable twist and a beam …