Microstrip patch antenna design santa clara university. Design of miniaturized dualband microstrip antenna for. Design of dual frequency microstrip patch antenna since the resonant frequency of a microstrip patch antenna is largely dependent on the dimensions of the patch, increasing the area of the patch will reduce the frequency at which the antenna resonates. A dualfrequency compact microstrip patch antenna s. Finally, the optimum dimension of dual frequency rectangular patch antenna has. By using complementary rhombus resonator crr, a smallsize and lowprofile microstrip patch antenna mpa with broad bandwidth has been proposed. A dualband microstrip rectangular patch antenna for wlan in vehicular communication applications is proposed. The antenna structure is composed of two stacked patches, in which the top is. The proposed design is yshaped microstrip patch antenna is procured by inserting yshaped strip in a circular hole in square patch microstrip antenna. Oct 17, 2018 a dual band microstrip rectangular patch antenna for wlan in vehicular communication applications is proposed.
Juihan lu broadband dual frequency operation of circular patch antennas and arrayswith a pair of l shaped slots, ieee transactions on antenna and. Experimental study of stacked rectangular microstrip. Naji department of electronic and communications engineering, college of engineering, alnahrain university, baghdad, iraq abstract three multiband microstrip patch antennas mpas to operate at 3. A reconfigurable dual frequency microstrip patch antenna is created by reconfiguring its size using two rectangular patches that are connected together via rf mems switches. This category can be extended to any kind of patch shape that offers two crosspolarized resonant modes. H, 2 rogers rtduroid 5880 dielectric material with. This antenna is easy to achieve good impedance matching at both frequencies by tuning the feed position and other design parameters. The modal distributions of hmsa are studied and it was observed that hmsas distribution. A broadband dual band printed antenna for wlan is designed in section 3. This design has been analyzed for two antenna configurations.
This paper proposes a design of triple frequency triangular microstrip patch antennas. Design simulation and fabrication of microstrip patch antenna 349 the proposed antenna is designed in lte band ii for 4g mimo communication. The proposed solution has been realized by two stacked shorted annular elliptical patch antennas. A dual frequency, compact single probefeed rectengular microstrip patch antenna with reduced size has been proposed in this paper. The purpose of this paper is to develop the microstrip patch designed for dual frequencies of 945 mhz and 1960 mhz. The proposed antenna structures are mainly constructed from the forkshaped monopole antenna. The design of a microstrip patch antenna is reported which can be operated at gps global positioning system. The design of circular microstrip antenna includes the specified information of the dielectric constant of the substrate, the resonant frequencyfr and height of the substrateh for dominant mode. The antenna is designed to be used for multiband and wimax applications. However the size of an antenna is an important consideration in the design of patch antenna. In this paper, the investigations on two new shortcircuited microstrip patch an tennas. A popular gnss antenna is based on a microstrip patch antenna design.
The input impedance and vswr, return loss have been measured with the help of network analyzer. Index terms microstrip patch antenna, printed antennas, dual. Design of a dualband microstrip patch antenna for gps,wimax. In a basic design according to generally accepted microstrip patch antenna engineering practice, one would ordinarily use a relatively thick dielectric substrate and multiple feed probes to obtain the desired combination of wideband and dual polarization capabilities. Jun 25, 2019 dual band patch antenna designing in cst dual, band, patch, antenna, designing, cst. The objective of the paper is to design and investigate a rectangular microstrip antenna that covers the band from 2. This paper presents a new dual frequency design for microstrip patch antennas. Design of a dualband microstrip patch antenna for gps. Dualband slot microstrip patch antennas with dualradiation. Quadband duallayer microstrip antenna design for mobile handset. In this contribution a dual band, dual polarized microstrip antenna element for array applications is presented. Designing for designing of a microstrip patch antenna, we have to select the resonant frequency and a dielectric medium for which antenna is to be designed.
The full wave analysis simulation is carried out in cst microwave tool in the frequency range of 16 ghz i. The proposed antenna is compact, occupies small volume and has simple structure compared to other antenna design. To combine these two advantages of the image result characteristic, sar is designed to operate in two bands dual band. Quadband dual layer microstrip antenna design for mobile handset. The present work deal with the design of a triple band, dual layer microstrip patch antenna.
Pdf design of a dual band rectangular microstrip antenna. In this paper, a quadband, dual layer microstrip antenna was proposed. Dualfrequency microstrip antenna for wireless applications. By definition, a printed antenna is one that is fabricated using standard photolithography technique. Slot loaded compact microstrip patch antenna for dual band. Design and analysis of rectangular microstrip patch. Vhf wideband, dualpolarization microstrippatch antenna. Abstracta compact wideband dual frequency microstrip antenna is proposed in this paper. In the given paper a microstrip rectangular patch antenna is designed for dual frequency band applications in the ism band and wimax band. A dualfrequency microstrip patch antenna is proposed based on rectangular microstrip patch, with appropriating feed location selection of 50. Compared with the mpa without the crr, the bandwidth of the proposed antenna.
The above equation says that the microstrip antenna should have a length equal to one half of a wavelength within the dielectric substrate medium. The novel design is achieved by cutting rectangular slits at two sides of the patch. A new design of coplanar patches to get the dual band operation is proposed in this paper. The patch antenna is designed to operate simultaneously at around 30 and 20 ghz, the up and downlink frequencies of modern kaband satellite communication systems. More freedom for tuning the resonant frequencies, the ratio of two resonant frequencies, and the input impedance is available due to. Dualband operation of a microstrip patch antenna on a. Dual frequency probefed microstrip antenna design using a. Sarkar3 abstracta novel design of a compact microstrip patch antenna using meandering technique is. The following table 1 contains the targeted specifications considered for the design of the microstrip antenna. Design of a dual band microstrip patch antenna for gps,wimax and wlan. The antenna has been designed, modelled and simulated. Firstly, we have attempted to design a planar antenna with stacked configuration for multiband applications. Given antenna design is realized through simulation, optimization and testing features provided by ansoft hfss high frequency structural simulator software.
Microstrip antenna an overview sciencedirect topics. The proposition consolidates investigation of fundamentals of. Design simulation and fabrication of microstrip patch antenna. The aim of this research is to achieve smaller size, better bandwidth and good radiation capability. Pdf this paper presents software based design, analysis and development of dual frequency circular microstrip patch antenna for a cband applications. Basically transmission line modelling approach has been used to model the antenna. Adopted from a cpwfed rectangular patch antenna for wlanwimax applications.
Dual frequency circular microstrip patch antenna design. In this paper, a novel compact dual band microstrip patch antenna with dual radiation modes is investigated. Compact coplanar dualband microstrip patch antennas for. This paper presents software based design, analysis and development of dual frequency circular microstrip patch antenna for a cband applications. Duallayer microstrip antenna design for wireless communications. At first, a conventional patch antenna is designed on fr4 epoxy substrate with 1. The proposed antenna consists of a rectangular ground plane, a ushaped feed probe, and an hshaped slot radiating patch.
The shape and size of patch determine the frequency of operation of the antenna. Lte band4 has a bandwidth of 45 mhz for both the uplink and downlink bands. By adjusting the size of these structures, a dual band antenna can be obtained. This antenna can achieve both a significant reduction of antenna size and a dualfrequency operation with a single feed. The dual frequency and wideband operation of a trapezoidal patch with vshaped slot have been studies and simulated. Fdtd analysis of a dualfrequency microstrip patch antenna. Parametric studies were conducted to illustrate the working principle of the proposed antenna. The proposed antenna is a rectangular patch microstrip antenna with two rectangular slots on the patch and a ground substrate of fr4 epoxy. A novel compact dual frequency microstrip antenna sciencedirect.
Dualband microstrip patch antenna for gps applications. The single layered antenna has been designed to resonate in dual frequency mode. A dual band circularly polarized stacked microstrip antenna for precise global positioning system gps applications is proposed and experimentally studied. A novel dualfrequency compact antenna, which uses an hshaped microstrip patch loaded with shorting pins, is proposed and studied. Different types of slots are etched in the circular patch to provide dual frequency operation. Pdf dual frequency circular microstrip patch antenna design. Two unbalanced microstrip lines are used to feed microstrip patch vertically with a branchline coupler. In all of the previous proposed antenna designs, narrow bandwidth was achieved for kuband applications. This antenna can achieve both a significant reduction of antenna size and a dual frequency operation with a single feed. The design graphs are then used to compute the dimensions of a rectangular patch and feed network for a dual frequency antenna for use at 1. The design of microstrip patch antenna was carried out by considering the requirement of dual frequency and single shared aperture which should have simple configuration to realize. By stacking two different cornertruncated square patches in a dielectric substrate layer, the microstrip antenna for dual frequency circular polarization cp. Dualband operation of a microstrip patch antenna on a duroid. Gada mahmood faisal 1, kaydar majeed quboa 1, dia mohamad ali 2.
Indeed, the opti mal antenna for a specific application is one that ensures the matching of the bandwidth of the transmitted andor the received signal. The shape and size of patch determine the frequency of operation of the antenna and its performance. The simulation results indicate that the antenna has a satisfactory performance. Dept, college of engineering, mosul university, mosul iraq. S kim circular polarized microstrip patch antenna for broadband and dual band operation electronics letters 29th april 2004, vol. Design of compact dualband and triband microstrip patch. New dualfrequency microstrip antennas for wireless communication. Research paper analysis and design of circular microstrip. Therefore, in the design of dual band microstrip antennas, one needs to decide on. In this paper, a new dualfrequency, compact antenna, which uses an hshaped microstrip patch with a shorting pin, is described.
Three multiband microstrip patch antennas mpas to operate at 3. Design of compact dualband microstrip patch antenna essay. Pdf design of dual band microstrip antenna at lband and. Design and analysis of rectangular microstrip patch antenna. In this project, a dual band microstrip patch antenna was designed for applications in wireless systems that operate on lte band 4, also known as aws, for data, voice, video and messaging services. Also slot loaded patches are used to design small microstrip antennas. Lcong department of electrical and computer engineering, national university of singapore, singapore abstract.
A dualfrequency small microstrip antenna ieee conference. The proposed antenna is suggested to be used in a mobile phone handset that covers four frequency. By integrating rf mems switches into the design, a dual frequency patch antenna may be. Dual frequency antennas exhibit a dual resonant behavior in a single radiating structure.
Nowadays microstrip antennas are widely used because of their small size, light weight, low cost, high performance etc. Moreover, the microstrip patch antennas can provide dual and circular polarizations, dualfrequency operation, frequency agility, broad bandwidth, feed line flexibility, and beam scanning omnidirectional patterning. Design of dual band yshaped microstrip patch antenna. A dual frequency microstrip patch antenna for highprecision gps. Due to the rapid acceleration and evolution of the wireless communication and their equipment, integrating more services in the personal devices, personal digital assistance pda devices has to work in multiband frequencies. Compact coplanar dual band microstrip patch antennas for modernized gps b. A design of singlefeed dualfrequency patch antennas with different polarizations and radiation patterns is proposed. For the feed network, two transmission lines are used to connect the two edge feeds to an open circuit stub to match the antenna at the two frequencies.
Slot loaded compact microstrip patch antenna for dual band operation avisankar roy1, sunandan bhunia2, debasree c. In section 4, a dual frequency dual band microstrip antenna is designed, which is used to realize the dual band operation on the radiation side. The design of circular microstrip antenna includes the specified information of the dielectric constant of the substrate, the resonant frequency fr and height of the substrateh for dominant mode. Historically, the microstrip patch antenna was developed in response to this need although. By embedding two pairs of arc shaped slots with a narr. The antenna contains a rectangular patch with two rectangular slots positioned on the surface of the patch which is mounted upon a grounded substrate made of fr4 epoxy. An additional resonance is introduced by the crr to broaden the bandwidth. Compared with the conventional rectangular patch antenna, this antenna can.
Dielectric ceramic loaded stripline antennas have several advantages, namely small size, fairly narrow but still wide enough frequency band, and good temperature stability. Microstrip antenna, stacked patch antenna, dual band antenna, network analyzer, bandwidth. Sarkar3 abstracta novel design of a compact microstrip patch antenna using meandering technique is proposed in this paper where the designed antenna seems to behave as a microstrip patch loaded. Most of the other dual frequency patch antennas found in the literature can be subdivided into 2 multi patch dual frequency antennas, and 3 reactive2yzoaded dual frequency patch antennas. Pdf design a circular microstrip patch antenna for dual band. The patch antenna is a good place to start for antenna fundamentals with more coming. Size of antenna is designed based on the simulation software of hfss from ansoft company, reducing antenna return loss by adjusting size and completing matching between patch. Design of dual frequency microstrip patch antenna citeseerx. Pdf dualfrequency patch antennas may provide an alternative to largebandwidth planar. The gain and return losses were good in comparison to conventional antennas for these bands. Two dual frequency microstrip antennas designed with hfss, that is manufactured by ansoft of the united states, can be applied to wlan. Frequency variable dual bands microstrip antenna design. Design of compact dual band and triband microstrip patch antennas dhirgham k. The fabrication of the proposed antenna is performed with slots and a duroid 5870 dielectric substrate and is excited by a 50.
This paper mainly studies the dual frequency characteristics of microstrip antennas. Few points a microstrip patch antenna consists of a radiating patch on one side of a dielectric substrate which has a. Dualband microstrip patch antenna ieee conference publication. Compared with the conventional rectangular patch antenna, this antenna can achieve both a signi. In this paper, a microstrip patch antenna with rectangular slot is proposed to obtain the dual band operation in the frequency range 2 to 5ghz. It is a multiple patch approach for getting dual frequency operation with a single feed point. Bandwidth enhancement of microstrip patch antenna using. A novel dual frequency compact antenna, which uses an hshaped microstrip patch loaded with shorting pins, is proposed and studied.
Triband microstrip antenna design for wireless communication. Microstrip antenna, its disadvantages and it has been overcome by dual frequency hexagonal microstrip patch antenna using slots. Design a dualfrequency rectangular patch antenna by following these basic guidelines, this compact, lowcost, lightweight patch antenna can be matched to applications operating at both 1. But illustrates sizes and importance of good antenna design why microstrip antennas. In section 2, the paper introduces the related principle and method of microstrip antenna design. The center frequency will be approximately given by. Dual band microstrip patch antenna for wireless systems. This thesis involves the design and analysis of dual band microstrip patch antenna which operates at lower and upper resonating frequency of 3. Consnarrow bandwidth low efficiency low gain figure 1 microstrip antenna 1 1. Pdf dualfrequency patch antennas may provide an alternative to large bandwidth planar. Microstrip patch antenna better performance than rectangular microstrip patch antenna.
The proposed dual frequency antenna is excited by a single probe feed, and the feed position is on the rectangular. Figure 16 shows a microstrip antenna or patch antenna for a global positioning system gps receiver, using a high k dielectric substrate. The dual band operation of a microstrip patch antenna on a duroid 5870 substrate for ku and kbands is presented. Design of microstrip patch antenna for dual band operations. Initially, we used transmission line model equations listed in constantine and balanis, 2005 to design the fundamental resonant frequency, 2. Design of a novel dualfrequency microstrip patch antenna for. Design of singlefeed dualfrequency patch antenna for gps. In what follows, a detailed account of the design process and. The frequency of operation of the patch antenna of figure 1 is determined by the length l. Aces revised copy dual frequency microstrip patch antenna. Design of dual frequency single aperture microstrip. Dual frequency microstrip antenna for wireless applications and effect on fraud arpita sen, neela chattoraj electronics and communication engineering department, birla institute of technology, mesra, ranchi, 835215, india. A new approach is proposed to design a frequency variable dual band microstrip antenna.
Design of miniaturized dualband microstrip antenna for wlan. Juihan lu broadband dual frequency operation of circular patch antennas and arrayswith a pair of l shaped slots, ieee transactions on antenna. However, the dual frequency operation with just a single patch antenna is mostly useful if the antenna over both frequency bands of interest has similar radiation patterns, polarization and input impedance characteristics. The most common version of printed antenna is microstrip antenna, which consists of a metallic patch above a ground plane. A novel dualfrequency microstrip patch antenna for wlan applications is presented and demonstrated.
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