[PDF] Top 20 Patch Antenna with Reconfigurable Polarization

... slotted patch, depending on the relative position of the feed with respect to the slot, either RHCP or LHCP can be ...the patch diagonals; as a consequence, the resonance frequencies of the two orthogonal ... 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

... an antenna without the use of additional components include the use of “agile” or “intelligent” materials, whose dielectric properties (permittivity and/or permeability) can be modified via an external control ... See full document

... paper, reconfigurable high gain split ring resonator microstrip patch antenna is designed and ...type antenna is to achieve multiband application which is the demand of current technology in ... See full document

... switchable polarization antenna [4, 5] can be used to mitigate signal fading in multipath propagation environments and reuse frequencies to double transmission ...CP antenna can reduce the loss ... See full document

... the antenna, in order to enhance the designed antenna ...the antenna performance in terms of the band width of the return loss, antenna size, gain of the antenna, Circular ... See full document

... reactance of the PIFA mode (Fig. 6) show that the input reactance at 2.45 GHz is about +j47Ω. To reduce this reactance, modifications were made near the PIFA feed. Figs. 7(a) and (b) also show the surface current plots ... See full document

... years, reconfigurable antennas have received considerable attention in the fields of wireless communication systems, such as personal communications service (PCS) and wireless local area network ...(WLAN). ... See full document

... Modelization of the FSS Superstrate The design reference EBG antenna, shown in Figure 1, is configured with a superstrate based on a frequency selective surface FSS placed in front of a [r] ... See full document

... frequency reconfigurable designs integrating varactor diodes, where the antenna polarization is fixed as the operation frequency is ...is polarization reconfigurable designs integrating ... See full document

... Both these values are in acceptance range of antenna operation with good VSWR value i.e. VSWR less than 1. This structure gives a single band of operation at 9.4 GHz resonance for OFF and ON state. To make this ... See full document

... a reconfigurable UWB antenna and incorporated it with RF-MEMS which made it capable of on-demand WLAN ...An antenna aware of its surroundings by incorporating IR sensors was presented in ... See full document

... Sensing Antenna, Reconfigurable Transceiver and Reconfigurable Antenna Based Cognitive Radio Test Bed”, In this paper, a unique cognitive radio workplace consisting of an ultra-wide band ... See full document

... and Antenna Measurement System from Diamond Engineering, ...the antenna at the sequential states are recorded by changing the ferrofluid’s position as shown in Figure ...proposed antenna is ...the ... See full document

... microstrip patch antenna is developing for Global Positioning System ...proposed antenna is designed as TL shape with a transmission line to obtain a rectangular polarization by simulation ... See full document

... Although patch antennas suffer from narrow bandwidths, different approaches have been used to increase bandwidths of patch antenna [2, ...E-shaped patch antenna using two slots is ... See full document

... proposed antenna, four microstrip stubs are accurately positioned in such a way that these matching stubs match the antenna’s input impedance at particular frequency as shown in ... See full document

... attain reconfigurable nature like multi-mode feeding techniques for parabolic antennas, alternating projection approaches and stochastic optimization ...differentiated antenna array is designed using common ... See full document

... circular patch can be switched. The antenna is composed of circular radiating patch and switchable feed ...the antenna can achieve reconfigurable quadri-polarization diversity ... See full document

... 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