[PDF] Top 20 A Compact Microstrip Patch Antenna with Reconfigurable Feed Network for Polarization Diversity

... impedance bandwidth of LP is about 80 MHz (3.3%), while the usable bandwidths (overlap of impedance bandwidth and AR bandwidth) of LHCP and RHCP are about 370 MHz (15%) and 250 MHz(10%). The average gain for LP is − 2 . ... See full document

... of antenna with multiple frequencies and decreasing size is required ...frequencies antenna to complete the need of different application in current scenario ...by microstrip patch ... See full document

... second antenna is then fabricated using standard ...this antenna is shown in fig. 10. The antenna is fabricated on FR4 substrate of ...co-axial feed of the circular microstrip ... See full document

... the antenna was done by using photolithographic techniques and measurement by using vector network analyzer ...frequency reconfigurable characteristics, the proposed antenna was measured with ... See full document

... polarized microstrip patch antenna arrays using coplanar microstrip feeding network, we can achieve an impedance bandwidth up to 2% if a corporate feeding network is employed ... See full document

... reconfigurable polarization capability by controlling their states “ON” or ...E-shaped patch antennas were proposed in [6, 7], they achieved circular polarization diversity by using p-i-n ... See full document

... a compact size modified rectangular shaped microstrip line feed with DGS patch antenna is proposed ...of microstrip patch antenna. The proposed compact size ... See full document

... band polarization reconfigurable antenna It is a suitable for mobile satellite communications and for wireless communications is ...A reconfigurable slot ring antenna is presented [4] ... See full document

... popular feed techniques used are the microstrip line, coxial probe, aperture coupling and proximity ...a microstrip patch antenna must be matched to the transmission line feeding ...The ... See full document

... the patch effected directly on the resonant frequency, the effect of the thicker substrate is study from many researchers using different substrates for several applications in the communication using different ... See full document

... a polarization reconfigurable antenna has received considerable attention because it has potential to overcome the fading effect caused by multi-path and reduce the antenna amount coped with ... See full document

... the patch. Multiple diodes, power dividers & complex biasing network makes the design critical as well as limited in case of ...circular patch antenna with dual band dual ... See full document

... For polarization diversity, in [14] a reconfigurable feeding line has been proposed in order to switch the polarization of a patch antenna between a RHCP and Left-Hand Circular ... See full document

... cost microstrip patch antenna is developed as antenna sensing system for salt and sugar content in ...The microstrip patch antennas are designed by using CST Microwave Studio and ... See full document

... According to Pozar, the various bandwidth-enhancement techniques can be categorized into three broad approaches: impedance matching; the use of multiple resonances; and the use of lossy materials. It has been decided to ... See full document

... metamaterial-inspired polarization reconfigurable antenna is introduced, the geometry of the antenna is shown in ...The microstrip antenna is designed on a dielectric substrate ... See full document

... and polarization diversity [1]. Besides, the polarization sensitivity of the antenna is mitigated by utilizing the dual- polarized ...cross polarization for dual linear polarizations ... See full document

... the antenna designed must be able to fit in such a cellular ...a compact microstrip patch antenna has been successfully designed having a center frequency of ...the patch ... See full document

... a microstrip patch antenna. The antenna has to operate over a wide bandwidth in case of multichannel ...the patch and the ground plane. To enhance the fringing fields from the ... See full document

... the patch antenna element itself ...of feed used. The plot below shows the return loss of a patch antenna and indicates the return loss bandwidth at the desired ... See full document