In order to provide a dynamic response, reconfigurable antennas integrate an inner mechanism such as rf switches, varactors, mechanical actuators or tunable materials that enable the intentional redistribution of the rf currents over the. In 3, a triband monopole antenna for wlanwimax applications was proposed which consists of a horizontal hshaped patch, an lshaped open ended. A new antenna with both frequency and polarization reconfigurability is presented. Keywords patch antenna, monopolar antenna, wifi, pin diode, reconfigurable antenna, hfss. By simulating the antenna, four frequency bands are achieved 0. Octagonal shaped frequency reconfigurable antenna for wi. A circular monopolar patch frequencyreconfigurable.
Pdf compact reconfigurable antenna for wifi, wimax and 4g. Polarization reconfigurable memscpw antenna for mm. Design of a dual band frequency reconfigurable patch antenna for gsm and wi fi applications. Omni directional antenna realized by dielectric resonator antenna dra with alford loop 1 and monopolar patch antenna with curved branches 2 lead to high return loss but have very less gain. In this particular configuration, the patch antenna. Normally, long rectangular patch antennas with compact structure and high.
A single probefed reconfigurable monopolar patch antenna with frequency diversity is presented. Design and simulation of reconfigurable monopolar antenna. In this paper, a frequency band reconfigurable microstrip octagonal patch antenna has been simulated and analyzed with four switchable states consisting of four narrow bands. Recent developments of reconfigurable antennas for current and. Progress in electromagnetics research letters, vol. Hence, each applications have different frequencies. For the lower band, the design utilizes a centerfed patch. A concept of a lowprofile monopolar antenna operating in two independently reconfigurable frequency bands is introduced in this paper. Frequency reconfigurable patch antenna for 4g lte applications.
Frequencyreconfigurable lowprofile circular monopolar. In 33, the authors have presented reconfigurable multiband printed monopole. Design of a dual band frequency reconfigurable patch antenna for. Abstract a concept of reconfigurable monopolar antenna for wifi applications are introduced in this paper. A reconfigurable monopolar patch antenna has been reported in 14, which capable to reconfigure up to eight different frequency bands using four pin diodes. A pin diode based multiband reconfigurable printed monopole antenna for. A reconfigurable antenna is an antenna capable of modifying its frequency and radiation properties dynamically, in a controlled and reversible manner. Reconfigurable monopolar patch antenna researchgate. Reconfigurable microstrip patch antenna for wlan software. Pdf a novel reconfigurable patch antennas with slot for frequency diversity is fabricated and developed in this paper. Four open stubs are attached to the rectangular patch through four pin diodes, and the ability of switching the antenna operating frequency is achieved by using dual inline package switches to control the states. A compact frequency reconfigurable monopole antenna for wifiwlan. Recent developments in reconfigurable and multiband antenna.
A frequencyreconfigurable dualband lowprofile monopolar. Review of reconfigurable antennas for lte, wimax and wlan. Design rectangular patch antenna using hfss part 1. Modeling of pin diode in hfss and frequency reconfigurable antenna. In this paper, a compact reconfigurable monopole antenna is proposed. Reconfigurable monopolar patch antenna iet journals. The proposed antenna has a rectangular patch with two shorting pins. For the novel frequency and pattern reconfigurable yagiuda patch antenna detailed in. A reconfigurable antenna with frequency and polarization. A compact uwb monopole patch antenna with reconfigurable band.
In 47, a circular disc microstripfed monopole antenna with wideband to. Design of reconfigurable antenna for wireless applications. The center of each edge of the patch is connected to a shorting post via a pin diode for polarization switching and two varactor diodes for frequency tuning. The antenna consists of a square microstrip patch with a single probe feed located along the diagonal line. In 45,46, two designs of polarization reconfigurable patch antennas of. Band frequency reconfigurable monopole antenna for. A compact uwb monopole patch antenna with reconfigurable bandnotched characteristics for wimax and wlan applications. Polarization reconfigurable patch antenna for wireless. A compact frequency reconfigurable monopole antenna for wifi. Eight varactor diodes are introduced to bridge the gaps between the circular patch and the sectorshaped patches. Frequencyreconfigurable lowprofile circular monopolar patch. Monopole antenna for gsm umts and wifi applications. Frequency reconfigurable circular patch antenna with an arc. Reconfigurable microstrip patch antenna a schematic view of the proposed antenna is plotted in figure 1.
Single diode is employed between stubs to make antenna reconfigurable and obtained four resonance at 2. Frequencyreconfigurable lowprofile circular monopolar patch antenna. In this paper, a compact frequency reconfigurable circular patch antenna with an. The authors in 8 incorporated three pin diodes to cover wifi and. A novel frequencyreconfigurable antenna is presented based on a circular monopolar patch antenna.
671 395 260 852 818 775 913 167 1630 512 914 888 725 1544 952 51 1517 1648 696 696 490 330 828 433 1167 1211 386 629 1410 857 20 113 657 308 1092 481 520 1422 1424 1392 1092