In this paper, we present a novel dual band wlan antenna. The design is based on a reconfigurable patch antenna in 8 as a. Although it was mainly used for bandwidth enhancement, it became realizable, that it can be used to design patch antennas with dual and multiband. Uslot patch 1 is governed by cmt, 2 clearly identifying both. Pier b online an integrated wideband multifunctional. Designing dual and multiband microstrip antennas is equally challenging 1. The microstrip flared slot antenna 169, 170 shares the wideband characteristics of the tsas we have already considered and is suitable for phased arrays having the tile architecture, as shown in figure 3. A compact doublet monopole antenna for dual wideband. A prototype antenna is fabricated and experimentally verified. Compact double uslots patch antenna for mobile wimax. 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. This paper presents the dual u slot hshaped microstrip patch antenna feed by transmission line. Phase response is also relatively linear, providing good wideband frequency characteristics. Uslot patch antenna for broadband wireless communications.
The basic u slot antenna was first developed a couple of decades ago, as a linearly polarized, single layer, single patch antenna to become a simple to design, easy to manufacture robust antenna with wideband performance. By using slot on rectangular patch with coaxial probe feed a wide bandwidth is achieved. Abstract in this study, a 28ghz uslot rectangular microstrip patch antenna for 5g applications is proposed. The basic microstrip patch antenna calculations can be referred in 7. The two notched bands can be controlled by adjusting the length of the responding slots. It is seen that the applications which require dual frequency operation with small frequency ratio were designed by using the u slot in a wideband micro strip antenna 6. In this communication, a novel wideband differentially fed dual polarized stacked patch antenna with tuned slot excitations for base station application is proposed. The u slot patch antenna was originally developed as a singlelayer, single patch wideband antenna. Evaluation of the performance of a multiband antenna for. The design of antenna which is proposed here have two different size u slots which are connected via a bridging element and multiple slot cut in the ground specially inverted cshape, to obtain wimax frequency band and. In some applications it is required to have dual band characteristics instead of single band. Design and analysis of compact u slot microstrip patch.
A novel hshaped patch antenna suitable for wireless and satellite communications is presented. This paper presents the design and simulation of eshape microstrip patch antenna with wideband operating frequency for wireless application. Dual and wideband slot loaded stacked microstrip patch. U slot patch antenna for broadband wireless communications m. A wide band patch antenna fed by an lprobe can be designed for dual and multiband application by cutting u slots on the patch. A microstirp patch antenna with double l slot for both wimax and wlan application is reported in. Pdf a double uslot patch antenna with dual wideband. Design structure of the single u slot patch w 40mm c1 5mm. Ultra wide bands antennas with notched bands characteristics have recently been considered for efficient communication between devices. So we are comparing return loss, 3d gain plot, 2d gain plot and radiation pattern.
A compact wideband slotted patch antenna for wireless usb. He invented the wideband u slot patch antenna and expanded the u slot technique to small size, dual triple band, and circular polarization applications. Dual uslot microstrip patch antenna with enhanced bandwidth. This miniaturized dual band monopole antenna proves to be an effective option for wireless devices to communicate with the outside world. Broadband microstrip patch antenna using slot semantic. The objective of the work is to design a dual frequency microstrip antenna for. Aug 30, 2016 in this proposed work a compact dual band and wideband slot loaded multilayered patch antennas are presented for wlan and wimax applications. Design of double u slot patch antenna a low profile double u slots antenna for wimax operation has low return loss and bandwidth. Abstract this paper presents the numerical simulation of double u slots microstrip patch antenna for wimax application. A double uslot patch antenna with dual wideband characteristics. Double lslot microstrip patch antenna array for wimax and.
The antenna is designed based on extensive ie3d simulation studies. A wideband uslot patch antenna array based on aperturecoupled is proposed in 4, with a 27% impedance bandwidth. This antenna is applicable for the wimax application which is centered at frequency 5. It was firmly established that the u slot patch antenna can provide impedance bandwidths in excess of 30% for an airsubstrate. A lowcost, easytofabricate, wideband and highgain dual polarized array antenna employing an innovative microstrip slot patch antenna element is designed and fabricated. The objective of the work is to design a dual frequency microstrip antenna for small frequency ratio applications. The design of ellipticalpatch antenna with single uslot by using hfss software is shown above in figure 1 2. An ieee fellow, he was the recipient of the 2009 john kraus antenna award of the ieee antennas and propagation society for exceptional contributions to the field of antennas. Design and study of compact and wideband microstrip uslot. A doubleuslot antenna has been proposed for operating bands. Design and simulation of eshape microstrip patch antenna for. The uslot patch antenna structure consists of a patch, u. Design and analysis of double u slot loaded dual frequency.
Firstly, the resonant frequency f 0 of the antenna. A few designs by using u slot in getting the dual frequency and circular polarization were widely discussed 7. The basic geometry of the u slot antenna is shown in figure 1. To design coaxial probe feed rectangular patch antennas, there are some essential parameters to be considered. It has a triple band of frequency the propose antenna 12for specific wimax application is shown below figure 6. This microstrip patch antenna has two u shaped slots to achieve the dual wideband operation required to meet these specifications. A wideband highgain dualpolarized slot array patch. The antenna has been simulated using hfss high frequency synthetic simulator software, a atlantis gold casino no deposit bonus codes october 2019 3d simulator which shows the e slot patch antenna accurate simulated result compared with other simulation software. Request pdf dual and multiband uslot patch antennas a wide band patch antenna fed by an lprobe can be designed for dual and multiband application by cutting u slots on the patch.
The stacked geometry involves more than one patch and more than one dielectric layer, with the result that the antenna thickness is increased. Single layer dual band microstrip patch antenna using. In this paper, a single patch wideband microstrip antenna resonating at 4. The reported double uslot cut rectangular microstrip antenna yields dual and wide band operation in 2100 and 5400 mhz frequency bands. Design of triplelayer double uslot patch antenna for.
This characteristic can be obtained by embedding a u slot in the patch and hence the radiating patch includes a pair of stepslots. In microstrip antennas, embedded slots can also be used to enhance the impedance bandwidth of a single band antenna. A dual u slot h patch configuration is proposed to increase the narrow bandwidth, radiation efficiency and directivity. In this paper we have presented the use of a patch antenna with u shaped slot to achieve wideband application with compact size and very low return loss. Dual band characteristic is obtained by using two u slots in the patch. A reconfigurable wideband and multiband c slot patch antenna with dual patch elements is proposed and studied. The thick substrate used here helps in integrating the antenna with the existing aircraft panel material while achieving wide bandwidths. In the proposed antenna design, a combination of dual u slot and multiple layers is used to get multiple bands and wide bandwidth. In recent years, some papers were reported for dualtriple band operation by using singledouble u slot in the microstrip antenna. This antenna was introduced in 1995 as a single layer, single patch linearly polarized wideband patch antenna. A double uslot patch antenna with dual wideband characteristics abstract. The equivalent circuit of a uslot patch is presented and the return loss is theoretically derived, utilizing the a matrix formulation. A wideband differentially fed dualpolarized stacked patch. Vinoy, a double uslot patch antenna with dual wideband characteristics, ieee, 2010.
Antenna design here, antenna is designed using a hfss high. It has recently been shown that it can also be designed to perform a number of other functions. Dual and multiband uslot patch antennas ieee journals. Design of triplelayer double uslot patch antenna for wireless. To analyze the dual band response at above frequencies, the resonance curve plots and surface current distributions for equivalent rectangular patch and single u slot and. The analysis of dual band double uslot cut rectangular microstrip antenna is presented.
Circle embedded rectangular microstrip patch antenna for high. Bridged double uslot microstrip patch antenna for wireless. The dimensions and locations of the u slots are designed appropriately. To analyze the dual band response at above frequencies, the resonance curve plots and surface current distributions for equivalent rectangular patch and single uslot and.
The proposed antenna consists of a microstrip patch with a ushaped slot that is fed by a broadband electromagnetic coupling probe, known as lprobe. Triple notched band characteristics uwb antenna using c. The analysis of dual band double u slot cut rectangular microstrip antenna is presented. The u slot antenna concept has been used in patch antenna designed to reduce antenna size. Dual band, directivity, monopole antenna, size reduction. The radiating element consists of a rectangular patch with a t shaped slot and is fed by a 50. Microstrip patch antennas world scientific publishing. There are many articles on the design of wideband patch antennas using an lprobe feed 4, an aperture coupled feed 5, stacked patches 6 or a u slot patch 7 etc. We present a novel compact printed dual wideband double t antenna, which consists of two stacked tshaped monopoles. Circle embedded rectangular microstrip patch antenna for high gain application anzar khan.
The reported double u slot cut rectangular microstrip antenna yields dual and wide band operation in 2100 and 5400 mhz frequency bands. In this paper, a wideband single patch antenna is proposed as in figure 1. Small circularly polarized uslot wideband patch antenna, ieee antennas. Design of dualband microstrip antenna with ushaped slot. The two orthogonal linear polarizations are available from two orthogonal slots and the two opposite circular polarizations can be. Dual uslot loaded patch antenna with a modified lprobe feeding. The antenna has low profile with enhanced bandwidth and gain. In this paper, a compact ultrawideband antenna uwb for uwb applications with triple bandnotched characteristics is presented. Comparison of return loss for the microstrip uslot. A compact cpwfed ultra wideband antenna with dual bandnotch characteristic is presented. Small rectangle uwb antenna with triple bandnotched characteristics small square monopole antenna with 6. Comparison of return loss for the microstrip uslot antennas. The circular slots acts as an electromagnetic coupling effect to achieve dual bandnotch characteristics.
Design of multiband uslot microstrip patch antenna for gsm. Design of the proposed antenna is a combination of double uslot and multilayer structure with air gap as one of the layer. Multiband antenna design and results the proposed antenna consists of a rectangular patch with two u slots as shown in figure 1, supported by a customized substrate. The u shape patch antenna uses frequency reconfigurable technique 5. The proposed geometry comprised of suspended truncated circular microstrip antenna, with double u slot etched on the radiating element. The consequences of designing indoor wireless systems with directional antennas at one or both ends of line of sight links are studied 6. The antenna is composed of a driven patch excited by tuned slot excitations, a parasitic patch to enhance the impedance bandwidth, and a ground plane to obtain unidirectional radiation. A simple, compact, slot loaded stacked wideband microstrip patch antenna is presented in this communication. The antenna design is an improvement from previous research and it is simulated. The test antenna u slot antenna acts as the transmitter and a specially designed uwb monopole antenna acts as the field probe receiver.
Dual and multiband uslot patch antennas request pdf. The antenna parameters such as return loss, radiation pattern, gain, frequency ratio, vswr, efficiency, group delay and beamwidth are discussed. The u shape micro strip patch antenna was introduced in 1995 by huynh and lee 4. Uslot patch wideband microstrip antenna springerlink. Circle embedded rectangular microstrip patch antenna for. The design of ushape antenna is not only for wideband application but. A new dualband microstrip antenna with ushaped slot and a. Dual frequency operation is achieved by introducing half u slot in a semicircular disk patch antenna 4. Design of ultrawideband antenna with dualband notched. The slot use on the patch s surface affects the radiation characteristics of proposed antenna. Two parallel c slots on the patch elements are employed to perturb the surface current paths for excitation of the. Sep 11, 2018 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. A doubleuslot antenna has been proposed for dual band operation for operating frequencies of 3.
Microstrip patch antennas have become the favorite of antenna designers because of their versatility and having the advantages of planar profile, ease of fabrication, compatibility with integrated circuit technology, and conformability with a shaped surface. However, the antennas adopted these designs have narrow impedance bandwidths of the two operating frequencies, usually on the order of 2% or less. A rectangular ultrawideband uwb antenna with triple bandnotched characteristics is presented. We use cookies to offer you a better experience, personalize content, tailor advertising, provide social media features, and better understand the use of our services. A single layer wideband uslot microstrip patch antenna. A multi u slot patch antenna has been reported recently for 5 ghz wlan 7, and also a monopole antenna for wimax applications was proposed in 8. Double uslot rectangular patch antenna for multiband. The uslot patch antenna structure consists of a patch, ushaped slot, a ground plane and coaxial feed lines. An integrated wideband multifunctional antenna using a microstrip.
A multiband triplelayer probe fed double u slot microstrip patch antenna for next generation wireless applications is proposed in this paper. The antenna can operate in two dual band modes and a wideband mode from 5 to 7 ghz. Design of wideband u slot microstrip antenna semantic scholar. Thereafter a comparison of dual band, multiband, and ultra wideband antenna has been presented. Uslot patch antenna principle and design methodology.
The proposed antenna is simulated using ie3d software, 12. In the proposed work the use of a patch antenna with two ushaped slots to achieve dual band operation. Two u shaped slots reduce the overall impedance of antenna. Design of uwb planar monopole antennas with etched spiral. Matin department of computer science and engineering brac university 66, mohakhali, dhaka 1212 bangladesh abstract.
Advantage of using this technique as we reduce size of ground plane return loss will increased. The proposed antennas consist of cpw fed monopole with spiral slot etched on the patch. Analysis of double uslot cut rectangular microstrip antenna. Due to that microstrip patch antennas are increasing in popularity for use in wireless applications. Simulation and measurement results are presented to illustrate this design. It has been observed that patch antenna geometry for ultra wideband is difficult to achieve with normal structure. A thick substrate helps broaden the individual bandwidths. Parametric studies of antenna structure with double u slot. The proposed antenna is lowprofile and of compact size. Multiband applications can be realized as a result of designing a double uslot rectangular patch antenna.
To analyze the dual band response at above frequencies, the resonance curve plots and surface current distributions for equivalent rectangular patch and single u slot and further double u slot. A reconfigurable wideband and multiband antenna using dual. In this paper, a comprehensive account is given on the development of this antenna. In this paper, we propose a dual band microstrip patch antenna with u shaped slot fed by coaxial feeding technique.
He invented the wideband uslot patch antenna and expanded the uslot technique to small size, dualtriple band, and circular polarization applications. Abstract this paper presents the numerical simulation of double uslots microstrip patch antenna for wimax application. Analysis of double ushaped slot loaded patch antenna for. Resonant coupling between the feed structure, slot and middle patch is responsible. Triple band micro strip patch antenna with dual u slot for. Although, this antenna is best known for its wideband characteristics. A multiband triplelayer probe fed double uslot microstrip patch antenna for next. There may or may not be a ground plane on the other side of the substrate. Microstrip patch antennas are strong candidates for use in many wireless communications applications. In this paper single, double, and also triple band notches with central frequency of 3. A wideband highgain dualpolarized slot array patch antenna.
Theory and guided by characteristic mode analysis is presented that allows wideband uslot patch geometries to be designed quickly and. The basic geometry of patch antenna has been present along with its equivalent circuit diagram. The shape will provide the broad bandwidth which is required in various application like remote sensing, biomedical application, mobile radio, satellite communication etc. In, a double u slot microstrip patch array for wiwax application for enhancing the gain has been addressed. This antenna covers all the operating bands of wlan and wimax but the gain is reduced due to more number of slots on the patch. The design parameters of the antenna are optimized using commercial softwares microwave office and zeland ie3d to get the suitable parameters and radiation patterns. The proposed antenna consists of a square patch with four truncated corners and a partial ground plane with a rectangular slit. A double uslot patch antenna with dual wideband characteristics vedaprabhu. Positioning the double u slots on the patch was a main challenge in the design, since in order to get a compatibility between the two slots and the desired operation frequency, optimized positioning of the two slots on the patch was required. Designs of both single and double uslot are shown below. Here the proposed antennas achieve good dual bandnotch for ultra wideband uwb antenna with band. The design parameters are radius of circular patch, width and length of slot, height of air gap.
Two notched frequency bands are obtained by embedding two u shaped slots in the radiation patch and a rectangle slot in the ground plane. The design of u shape antenna is not only for wideband application but it is also helpful for dual and triple band applications with small and wide frequency ratio. Design and simulation of eshape microstrip patch antenna. Pier c online design and analysis of double u slot loaded. The uslot antenna concept has been used in patch antenna designed to reduce antenna size. A few designs by using u slot in getting the dual frequency and circular polarization were widely discussed in 511. In this paper, a double u slot microstrip patch antenna is designed and simulated for wimax bands. This paper proposes the use of a patch antenna with two u shaped slots to achieve dual band operation. A 28ghz uslot microstrip patch antenna for 5g applications.
A double u slot antenna has been proposed for operating bands of 3. Oct 02, 20 a dual u slot h patch configuration is proposed to increase the narrow bandwidth, radiation efficiency and directivity. The basic uslot antenna was first developed a couple of decades ago, as a linearly polarized, single layer, single patch antenna to become a simple to design, easy to manufacture robust antenna with wideband performance. The proposed design of the antenna is shown in fig. This paper proposes the use of a patch antenna with two ushaped slots to achieve dual band operation. Patches with suitably designed slits or slots are useful in this context 2. The uslot patch antenna was originally developed as a singlelayer, singlepatch wideband antenna.
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