In this paper rectangular patch antenna array and reconfigurable rectangular patch antenna array is designed and simulated for bluetooth 2. Frequency reconfigurable lsband phased array antenna element 59 3. In this paper, frequency reconfigurable slotpatch antenna with reflector at the. A reconfigurable microstrip antenna array using spst switches. Index termsantenna array, microstrip patch antenna, microstrip patch slot antenna, pin diode. Antenna configuration in this case, the reconfigurable patch module consists of a 1x2 array of koch loop patches connected together by the rf diodes switches as depicted in fig. Wideband u slot microstrip patch antenna array, appysis of slot coupled microstrip patch antennas a citeseerxa patch antenna is literally a patch of metal or other conductor on a flat surface.
Aperturecoupled frequency and patterns reconfigurable microstrip stacked array antenna. This conformal array consists of four reconfigurable microstrip patch antenna elements, a reconfigurable sensor circuit used to measure the curvature of the. Frequency reconfigurable microstrip patch antenna request pdf. A reconfigurable antenna is an antenna capable of modifying its frequency and radiation. Therefore, this antenna has potential to be fabricated as an integrated antenna system on the chip soc. A seriesfed microstrip patch array with interconnecting crlh. A frequency reconfigurable antenna is arguably the most. The array characteristics will be presented at the symposium. A novel reconfigurable low profile log periodic patch array is presented. In this paper presents a reconfigurable of multiple element microstrip rectangular antenna and integration with pin diode switches. Design of an aperturecoupled frequencyreconfigurable. It can be shown that the return loss of the patch antenna array without lc reaches the maximum value of 22. The proposed antenna designed on fr4 substrate with dielectric constant 4. In, the topology of a reconfigurable microstrip patch antenna using rfmems has been presented see figure 4.
Single, dual and tripleband frequency reconfigurable. Frequency reconfigurable patch antenna array abstract. In order to verify the reconfigurable characteristics, the antenna array consisting of 1. Design and development of reconfigurable rectangular patch. A novel frequency reconfigurable slotted patch antenna structure is presented. The on state represents a short circuit, while the off state exhibits an open circuit. The frequency reconfigurable log periodic microstrip dipole array operated over c,x and ku bands has been designed and simulated by ansys hfss. A comparitive study of four different shaped frequency reconfigurable log periodic microstrip antenna arrays sai 1rajanarendra, r. The operation of the fabricated antenna was further ascertained by calculating the dominant mode frequency in z direction using as, 7 f tm z mn c 2. Design frequency reconfigurable microstrip patch antenna. The bandwidth of the proposed antenna can be increased with the circular patch array used in the design. First, a new method to realize the reconfigurable 45 polarizations is proposed.
It consists of a flat rectangular sheet or patch of metal, mounted over a larger sheet of metal called a ground plane. Design of frequency and patternreconfigurable wideband slot. The antenna is excited along with the combination of pin diodes to achieve the frequency and pattern reconfigurability. Two pin diodes are loaded in the slots to produce two different frequency bands.
Simulation of frequency reconfigurable square log periodic. The array con sists of planar radiating elements that may be interconnected through. A frequencyreconfigurable microstrip patch switchable to slot antenna is proposed. Comparative analysis of reconfigurable patch antenna array. Sep 28, 2015 the antenna uses pin diodes for frequency reconfiguration. Pdf analysis of reconfigurable microstrip patch antenna. Such antennas can be used in mimo lte and wlan applications. Design of a simple circularly polarized dualfrequency.
The width of microstrip feed line is w 3 mm and length is l 5. Rfmems has a low loss though but its integration is very expensive 12. Conclusions a novel frequency reconfigurable patch antenna with integrated mems actuators is presented for the first time. Frequency tunable microstrip patch antenna using rf mems technology. Two periodical dumbbell geometries with different dimensions etched on the ground plane. In, an improved phased array patternreconfigurable antenna is proposed. Additional benefits of patch antennas is that they are easily fabricated making them cost effective. In this study, theoretical development and a new 1. Rhcplhcp reconfigurable arrays using rotated eshaped patch elements. The tunable patch antenna array 290 includes an array of tunable patch antennas 240a240i, each of which can be implemented as described with respect to fig. A frequency reconfigurable dipole antenna based on a silicon radiator is presented. Frequency reconfigurable microstrip circular patch array. This antenna is capable of switching to four different frequencies 2.
Frequency reconfigurable microstrip circular patch antenna. They are the original type of microstrip antenna described by howell in 1972. Directional and bidirectional patterns are produced by the patch and slot, respectively. In each frequency band, the operation frequency of the antenna array can be continuously tuned with the loaded varactors. Antennas for frequency reconfigurable phased arrays. Comprehensive parametric studies were carried out to determine how to design these proposed patch antennas based on their materials dimensions and their geometry. The aim of this paper is to design a novel structure of a frequency reconfigurable microstrip array antenna by using a combination of aperturecoupled and the stacked patch technology.
A square patch of side a is printed on rt duroid substrate. Reconfigurable antennas for wireless communications. Enhancement of antenna array performance using reconfigurable. Sharma, frequency reconfigurable compact multiband quasilog periodic dipole array qlpda antenna for wireless communications, 2010 ieee antennas and propagation society international symposium apsursi, 14, july 1117, 2010. It can be observed that all the additional metallization contacts between the unitcells as discussed in section 2. Microfluidically frequencyreconfigurable microstrip patch. The simulation results shows that the proposed antenna array can be successfully used as ultrawide band antenna over. Reconfigurable koch loop fractal antenna using rf switch. The array consists of planar radiating elements that may be interconnected through. The array of these circular patches gives more directivity and scanning power, which makes it useful in many communication systems. Reconfigurable microstrip patch slot antenna array.
Reconfigurable array antenna using microelectromechanical. In this paper a frequency reconfigurable antenna with the circular patch is proposed, designed and simulated. This paper presents a reconfigurable aperturefed patch antenna array for 45 polarizations. Oct 08, 2019 additional details of the tunable patch antenna array 280 can be as described earlier. Radiation and frequency reconfigurable antenna in general, most antennas are capable of either frequency or pattern reconfigurability. It consists of a flat rectangular sheet or patch of metal, mounted over a. Reconfigurable antenna wikimili, the best wikipedia reader. There may or may not be a ground plane on the other side of the substrate. Recent developments in reconfigurable and multiband.
Design of frequency and patternreconfigurable wideband. The antenna uses four pin diodes for full frequency reconfiguration and partial. The wideband to narrow band reconfiguration is realised by bridging the slot aperture, effectively deactivating the corresponding. Introduction microstrip patch antenna arrays are currently used in satellite communications and wireless systems for their attractive. The array consists of planar radiating elements that may be interconnected through computercontrolled switches to form larger elements. The presented work is a y slotted mmwave reconfigurable patch antenna, suitable for radar, satellite communications, 5g generation wireless network and millimeter wave energy harvesting. The switches are incorporated to circular patch to control or change the frequency. The proposed antenna array finds good applications in radar systems, satellite communications, and aerospace. The designed corporate feed concept is used to animate an eight elements linear array of rectangular microstrip patch.
Nandhini 2 1assistant professor, department of electronis and communi cation engineering, m. Frequency reconfigurable patch antenna array iet journals. Optimal design of aperiodic reconfigurable antenna array. By changing the state of the loaded switches, the reconfigurable slotring antenna array is able to operate as an lband slotring antenna or a 2x2 sband slotring antenna array. A frequency reconfigurable antenna array is introduced.
The antenna uses pin diodes for frequency reconfiguration. The gain and directivity of frequency reconfigurable antennas can be improved by using arrays of such elements. Kochbased antenna size compacting scenario was proposed in iii. Design of a simple circularly polarised dualfrequency. They are the frequency reconfigurable stacked patch microstrip antenna with single structure and array configuration frspma and frspmaa and the pattern and frequency reconfigurable stacked patch microstrip array antenna prspmaa.
Novel frequency reconfigurable slotted patch antenna. The patches are fed with a modulated meander line through aperture slots. The proposed work deals with the design of lowprofile, reconfigurable, tunable multiband patch antenna for different types of wireless applications such as wifi, wimax, bluetooth,3g within a microwave l, s, c, and x frequency bands in electromagnetic spectrum, cognitive radio applications. Frequency and polarization reconfigurable antenna systems. The silicon radiator is activated with the aid of highly dense solidstate. A frequency reconfigurable antenna is presented with operating frequency as 3. Request pdf design of a simple circularly polarized dualfrequency reconfigurable microstrip patch antenna array for millimeterwave applications. Patch antenna array gives much better result characterised by reconfigurable behaviour with associated return loss, radiation pattern characteristics, and. Nakkeeran2 1dept of electronics engg, pondicherry university, pondicherry, india, sai. The sequentially rotated seriesparallel stub approach is employed in the feeding network design to. Huff presents a pattern and frequencyreconfigurable microstrip antenna using a. The frspma antenna design was constructed from three layers of rtrogers 5880 materials due to the fact it. Radiation pattern reconfigurable microstrip patch antenna. Microstrip patch antennas or simply patch antenna are increasingly useful because the antenna is printed directly onto a circuit board.
Frequencyreconfigurable microstrip patchslot antenna. A frequency and pattern reconfigurable antenna array based. Antennasthe analysis and design of microstrip antennas and arrays, edited. Design of frequency reconfigurable antenna with circular patch. Their low profile design, often square or rectangular, allows them to be mounted to flat surfaces. Frequency and pattern reconfigurable microstrip antenna are. The proposed antenna is using the dgs technique which uses three pin diodes with three rectangular slots. A reconfigurable stacked patch microstrip array antenna. Normally, the broadside radiation is generated from microstrip patch antenna resonates at the fundamental mode tm 01, and the sum pattern is achieved by making an array of microstrip patches, while the conical pattern is obtained by different methods such as generation. There are 2pin diodes used in between the different slots to achieve frequency reconfigurability. These slot are cut in the ground to produces eight reconfigurable different frequency bands. Frequency reconfigurable patch antenna array article pdf available in electronics letters 5121 september 2015 with 203 reads how we measure reads. In, a lumped capacitor is inserted in the middle of a slotted patch antenna, and the operation bands can be tuned continuously. Frequency reconfigurable microstrip patch antenna for.
The antenna consists of a microstrip patch and a slot in the ground. The four sets of two different aperture slot shapes ishaped and hshaped are printed on the ground and are functional to transfer the wave and the signal to the selected radiating layers. Recently, switchable slots have been proposed on the ground plane for enabling frequency reconfiguration of the patch antenna design 4. A wideband mode from 710ghz and three selected narrow band modes at 7. The array consists of planar radiating elements that may be interconnected through computercontrolled switches to form larger elements radiating at frequencies lower than the resonant frequency of the individual elements. The antenna array is optimized at 698 mhz center frequency of dvbt channel 49 to concurrently achieve a particular radiation pattern shaping with high forward gain, main lobe tilting and null filling inside the service area, as well as low sidelobe level outside the service area, and low standing wave ratio at the inputs of all the array elements. This paper proposes frequency reconfigurable antenna for outdoor wireless communication systems, the 4 x 4 array antenna has designed at two resonant frequencies 7. A reconfigurable antenna is an antenna capable of modifying its frequency and radiation properties dynamically, in a controlled and reversible manner. In this study, the production cost of the antenna on quartz substrate has been reduced using only two lithographic steps. 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. This patch can be dynamically reconfigured to operate at frequencies separated by about 1.
A new frequency reconfigurable antenna using proximity fed. Furthermore, frequency reconfigurable antennas are being used in the development of multiband multiradio wireless platforms to simplify designs. Frequency reconfigurable log periodic microstrip dipole. Citeseerx a reconfigurable microstrip antenna array using. Pdf a reconfigurable microstrip antenna with switchable frequency is proposed. Multiband, frequency reconfigurable, and metamaterial. A compact wideband microstrip phased array antenna using aperture coupled patch antenna as array element, has been designed. The silicon radiator is activated with the aid of highly dense solidstate plasma by injecting carriers into the. The proposed design of frequency reconfigurable circular patch antenna is simulated on em simulation software. The geometrical structure of the proposed frequency reconfigurable log periodic microstrip dipole array antenna 2 is shown in figure. A microfluidically frequency reconfigurable microstrip patch antenna and array are proposed in this paper. A comparitive study of four different shaped frequency. Request pdf frequency reconfigurable microstrip patch antenna a frequency. By changing the state of the loaded switches, the reconfigurable slotring antennaarray is able to operate as an lband slotring antenna or a 2x2 sband slotring antenna array.
Design and analysis of frequency reconfigurable log. Performance enhancement of a compact wideband patch. Reconfigurable reflectarrays and array lenses for dynamic antenna beam control. The work undertaken is the proposal and simulation of a reconfigurable microstrip antenna array for adaptive base station operating in the umts frequency band. By tuning the capacitive reactance of the varactors, the main beam of the array can scan from. Frequency reconfigurable microstrip patchslot antenna with.
Frequency reconfigurable selfadapting conformal array for. Microstrip slot antennas also serve as good candidates for frequency ra designs. Reconfigurable antenna array has received a lot of attention in presentday wireless communication systems. Multiband antennas and arrays for defence or civil applications, 8994, 2008. Reconfigurable beam steering using circular disc microstrip patch antenna with a ring slot is proposed. In this study, a simple design of a fourelement circularly polarised dual frequency reconfigurable microstrip patch antenna array for millimetrewave applications is proposed. A seriesfed microstrip patch array with interconnecting. Frequency reconfigurable tshaped microstrip patch antenna. The simulation results shows that the proposed antenna array can be successfully used as ultrawide band antenna over frequency range from 4 ghz to 18 ghz. In this article, a different technique is used to switch the radiation pattern among sum or difference in oscillating aia. In this study, a simple design of a fourelement circularly polarised dualfrequency reconfigurable microstrip patch antenna array for millimetrewave applications is proposed.
The antenna is capable of frequency switching at nine different frequency bands between 1. Simulation results show that this antenna can realize beam steering with a scanning angle range of 20, 20, while its operation frequency can be actively tuned between 14. The designed antenna operates at the expected 60 ghz 5g frequency band with a central coaxial probe feed. Oct 08, 2015 frequency reconfigurable patch antenna array abstract. Frequency reconfigurable aperturecoupled microstrip array. The three square patches are fed by inset feed line technique and are connected with a single transmission line by a logperiodic array formation to form a wideband frequency from 2. Proposed design and configuration a circular patch. The reconfiguration performance is realized to be frequency hopping by inserting. Pdf a simple frequency reconfigurable microstrip patch antenna.
A wideband slot antenna with frequency and patternreconfigurable characteristics for tdlte 3. Reconfigurable oscillating active integrated antenna using. Kumarasamy college of engineeringautonomous,karur, tamil nadu, india. Reconfigurable gapcoupled backtoback truncated rhombuslike slotted patch antenna with steerable beams. The basic antenna array is constituted of circular patches adapted with coplanar notches and circular patches parasite fed by electromagnetic coupling. This paper presents a technique of frequency reconfigurable microstrip patch antenna for sband applications. New radiation patternreconfigurable 60ghz antenna for 5g.
A patch antenna is a type of radio antenna with a low profile, which can be mounted on a flat surface. A broadband patch antenna array with planar differential lshaped feeding. Compacting of the aperture coupled mpa as array element is performed by introducing an idc in the patch and mtm unit cell close to the slot in the ground plane of the antenna which offers a crlh antenna. Design frequency reconfigurable microstrip patch antenna for.
Introduction microstrip patch antenna arrays are currently used in satel. Ebginspired reconfigurable patch antenna for frequency. A microstrip reconfigurable array antenna with integrated rfmems switches is proposed which can operate at dual frequencies. Sep 18, 2017 the geometrical structure of the proposed frequency reconfigurable log periodic microstrip dipole array antenna 2 is shown in figure. Majid1 1 utmmimos center, fakulti kejuruteraan elektrik, universiti teknologi malaysia, skudai, johor, malaysia 2 wireless. At the early stage of this project, a new frequency reconfigurable antenna design namely aperture coupler reconfigurable stacked patch microstrip antenna acfrspma of structure 1 and structure 2 with different substrate materials was constructed.
However, they can be made a combination of both frequencies and pattern reconfigurable simultaneously. Reconfigurable microstrip patch antenna array with beam. Frequency reconfigurable patch antenna array ieee xplore. The antenna accordingly resonates at a lower frequency band. Since the two ends of the patch are open, an openend correction is usually taken into account while calculating the physical length l of the patch.
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