[PDF] Top 20 Design of a Broadband Circularly Polarized Antenna Array

... [3], circularly polarized array antennas are widely used in modern wireless communication systems such as satellite, radar, and mobile ...for circularly polarized antenna arrays ... See full document

... novel broadband CP patch antenna for GPS applications was achieved by introducing four-output feed network so that the ring slot patch can produce circular polarization The four parasitic arc-shaped patches ... See full document

... CP antenna is obtained by several orthogonal polarization slots and proper ...proposed antenna can cover both entire UHF and ISM ...proposed antenna, and the conclusion is in section ... See full document

... Circularly polarized (CP) antennas have the advantages of reducing multipath effects and antenna relative orientation constrains. Thus, CP antennas have been widely used in modern wireless ... See full document

... Abstract—A broadband circularly polarized (CP) slot antenna array fed by a coplanar waveguide (CPW) is ...slot antenna element to enlarge the ...the antenna element can ... See full document

... Circularly polarized (CP) antennas have advantages over linearly polarized antennas because the electric field alignment between the transmitter and receiver locations is not required ...linearly ... See full document

... (CPW) antenna with dual-band circularly polarized characteristic is ...The antenna is based on a rectangular ...the antenna achieves dual-band input impedance performance and a CP ... See full document

... proposed antenna is designed with CST Microwave Studio based on a finite-difference time-domain algorithm ...CP antenna with the same dimensions indicated in Figure ... See full document

... microstrip antenna is a sensitive function of length and width of the microstrip feed ...microstrip antenna has wide beamwidth in one hemisphere, two back-to-back microstrip antennas in the same module can ... See full document

... patch antenna designs using an air-layer or foam substrate have also been shown [11–13], in which the reported CP bandwidths are about ...single-feed circularly polarized antennas ...generate ... See full document

... Circularly polarized (CP) antennas are widely used in wireless communication applications such as navigational systems, radar tracking and radio frequency identification (RFID) readers [1–4] because they ... See full document

... In addition, radiation performances are issues that cannot be neglected in antenna designs. In [9], the balance-like center-slot-feeding structure was proposed to reduce cross-polarization levels and improve ... See full document

... Microstrip antenna fed by annular slot coupling to generate CP operation over a wide bandwidth has been presented in ...CP design is achieved by coupling two CP resonant elements, patch and annular ...a ... See full document

... monopolar antenna in ...the design of an integrated multiband antenna system was ...linearly polarized with the exception of the GPS antenna in [3] which is a non planar Archimedean ... See full document

... slot antenna fed by CPW is proposed in this paper. This antenna consists of an irregularly slot and an L-shaped feed ...the antenna. The planar structure of the antenna makes it easy to ...the ... See full document

... Circularly polarized (CP) microstrip antennas are widely used in radar, navigation, and satellite communication realms owing to their small size, low profile, great flexibility, and many other advantages ... See full document

... use circularly polarized (CP) antenna arrays to overcome the problems of mobility and adverse weather conditions [1, ...CP antenna arrays have become an excellent candidate owing to their ... See full document

... circular polarized radiation. However, the design of single-feed slot antenna with wide AR bandwidth and impedance bandwidth remains a challenging problem for antenna ... See full document

... dual-polarized antenna array with electrical down tilt is developed. The array is composed of 4 arm-overlapped dipole antennas with an elements spacing of 110 mm (0 ...the array at ... See full document

... Then the effects of tuning the length Ls of middle of the F-shaped slit with three different lengths of 3, 6 and 9 mm are analyzed. Fig. 4 shows the return loss of the antenna with different Ls, and it can be seen ... See full document