Small dualfrequency microstrip patch antenna request pdf. Microstrip patch antennas have become the favorite of antenna designers because of its versatility and advantages of planar profile, ease of fabrication, compatibility with integrated circuit technology, and conformability with a shaped surface. Microstrip antenna an overview sciencedirect topics. Pdf dual band uslotted microstrip patch antenna for c. They are lighter in weight, low volume, low cost, low profile, smaller in dimension and ease of fabrication and conformity.
Pdf dualband rectangular microstrip patch antenna at. Compact coplanar dualband microstrip patch antennas for. The single layered antenna has been designed to resonate in dual. Analysis of dual frequency microstrip antenna using. A dual frequency microstrip antenna using a double.
Introduction the increasing use of wireless communication systems demands the antennas for di. Design and analysis of microstrip patch antenna arrays. The designed antenna has a frequency bandwidth of 184 mhz with the upper cutoff frequency of 2. Wong and hsu1997 incorporated a ushaped slot in a equilateral triangular microstrip antenna to make it a broadband structure. Compact reconfigurable dual frequency microstrip patch antenna for 3g and 4g mobile communication technologies article pdf available in microwave and optical technology letters 557. In this paper, a microstrip patch antenna with enhanced bandwidth 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. In the given paper a microstrip rectangular patch antenna is designed for dual frequency band applications in the ism band and wimax band. The concept used in calculating resonant frequency.
If the antenna is excited at a resonance frequency, a strong field is set up inside the cavity, and a strong current on the bottom surface of the patch. New dualfrequency microstrip antennas for wireless communication. The basics of patch antennas, updated orban microwave. Microstrip patch antenna assisted compact dual band. 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. The antenna size is very compact 40 mm x 60 mm x 1.
Rostamy, resonance frequency of uncovered and covered rectangular microstrip patch using modified wolff model, ieee trans. For this antenna, sufficient bandwidth was achieved by utilizing microstrip line technique, the desired frequency of 2. This paper presents air gap aperture coupled microstrip antenna for dual band operation over the frequency range of 2. Compact reconfigurable dual frequency microstrip patch antenna for 3g and 4g mobile communication technologies. Because of many attractive features, microstrip patch.
Design of a novel dualfrequency microstrip patch antenna for. Research paper analysis and design of circular microstrip. Pdf compact reconfigurable dual frequency microstrip. This antenna can be tuned by changing the switching mode of two pin diodes from the onon state to offoff state to switch it over two different mobile.
Microstrip antenna with coaxial and linefeed technique, microstrip patch antenna experimentally optimize antenna parameters and decreases the return loss up to 35db for the frequency range to operate for bluetooth antenna in frequency range 2. Properties of a basic microstrip patch a microstrip or patch antenna is a lowprofile antenna that has a number of advantages over other antennas. The designed microstrip antenna is optimized to cover wlan. Coaxial fed trislot antenna for tripleband application. By adjusting the size of these structures, a dual band antenna can be obtained. Design of singlelayer microstrip antennas for dual. Lu2003 analyzed a circular patch antenna and its arrays with a pair of lshaped slots for broadband dual frequency operation. The dualfrequency microstrip antenna could be easily designed by. A new design of coplanar patches to get the dual band operation is proposed in this paper. 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. In this article electrically small, dual band, triple frequency x shaped patch antenna on a substrate of ceramicptfe composites is presented.
Experimental results of a smallsized antenna using an hshaped microstrip patch for single frequency operation are presented by palanisamy and garg 1985. Dual band rectangular microstrip patch antenna at terahertz frequency for surveillance system article pdf available in journal of computational electronics 91. 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. Another dualband antenna applying two arcshaped slots integrated close to the edge of the circular microstrip patch has been studied in 6. By embedding two pairs of arc shaped slots with a narr. It is a multiple patch approach for getting dual frequency operation with a single feed point. Several prototype antennas operating at frequency ratios ranging from 1. Pdf microstrip patch antenna operating at dual resonant.
Slot loaded compact microstrip patch antenna for dual band. Rama rao is a principal engineer at the mitre corporation. Compact coplanar dual band microstrip patch antennas for modernized gps b. We propose in this article, a novel compact reconfigurable patch antenna with frequency diversity. The microstrip antennas are design to operate in dual band and multiband application. Moreover, the microstrip patch antennas can provide dual and circular polarizations, dual frequency. A novel dualfrequency microstrip patch antenna for wlan applications is presented and demonstrated. Different types of slots are etched in the circular patch to provide dual frequency operation. In this paper, a novel compact, dual frequency antenna is proposed and studied.
In this paper a simple dual frequency microstrip antenna based on the second iteration of modified koch fractal configuration is presented. Chapter 2 presents the basic theory of mpas, including the basic structures, feeding techniques and. Simon, the mitre corporation, bedford, massachusetts biography b. Most of the other dualfrequency patch antennas found in the literature can be subdivided into 2 multi patch dual frequency antennas, and 3 reactive2yzoaded dualfrequency patch antennas. A dual band microstrip rectangular patch antenna for wlan in vehicular communication applications is proposed. The basic structure of the microstrip patch antenna is shown in figure 1. Figure 16 shows a microstrip antenna or patch antenna for a global positioning system gps receiver, using a high k dielectric substrate. Pdf new dualfrequency microstrip antennas for wireless. Slot loaded compact microstrip patch antenna for dual band operation avisankar roy1, sunandan bhunia2, debasree c. Dual band and dual polarized microstrip patch antenna. Dual band microstrip patch antenna for sar applications. Dual frequency patch antennas may provide an alternative to largebandwidth planar antennas, in applications in which large bandwidth is really needed for operating at two separate transmit. Juihan lu broadband dual frequency operation of circular patch antennas and arrayswith a pair of l shaped slots, ieee transactions on antenna and.
Input signal couples to the radiating patch trough the aperture that exists on the ground plane of microstrip feed line. View enhanced pdf access article on wiley online library html view download pdf for offline viewing. Compared with the conventional rectangular patch antenna, this. Design of dual band dual polarized microstrip patch antennas core. The proposed antenna consists of a rectangular ground plane, a ushaped feed probe, and an hshaped slot radiating patch. This category can be extended to any kind of patch shape that offers two crosspolarized resonant modes.
A dual frequency, compact single probefeed rectengular microstrip patch antenna with reduced size has been proposed in this paper. In this paper, a novel compact dual band microstrip patch antenna with dual radiation modes is investigated. Adopted from a cpwfed rectangular patch antenna for wlanwimax applications. A dualfrequency microstrip patch antenna is proposed based on rectangular microstrip patch, with appropriating feed location selection of 50.
Pdf a novel compact dual frequency microstrip antenna. Tl model of microstrip patch antennas partially filled with clrh structures a conventional square microstrip patch antenna can be modeled as an openended tl. In this work a reconfigured microstrip patch antenna for crossover. Results to simplify the simulation model, in this project the mems switches have been replaced by transmission lines for the closed state and for the open state the switches are simply removed as. This antenna can be tuned by changing the switching. A dual frequency, compact single probefeed rectengular microstrip patch. Antennas which do not protrude from a surface are very desirable for. Dielectric ceramic loaded stripline antennas have several advantages, namely small size, fairly narrow but still wide enough frequency band, and good temperature stability. This antenna differs from any other microstrip antenna with their feeding structure of the radiating patch element. This paper presents software based design, analysis and development of dual frequency circular microstrip patch antenna for a cband applications. Dual band x shape microstrip patch antenna for satellite applications. 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. A novel compact dual frequency microstrip antenna sciencedirect.
It has been shown that by cutting a slot in the radiating patch the antenna resonates at dual frequency of 4. In this paper, a new dual frequency, compact antenna, which uses an hshaped microstrip patch with a shorting pin, is described. Pdf dualfrequency patch antennas may provide an alternative to. The purpose of this paper is to develop the microstrip patch designed for dual frequencies of 945 mhz and 1960 mhz. It consists of area of metallization supported above a ground. A compact dual band microstrip patch antenna is designed for c 48 ghz band and x 812 ghz band applications. A singlefeed dual frequency compact microstrip antenna with the frequency ratio between the two operating frequencies of 3. S kim circular polarized microstrip patch antenna for broadband and dual band operation electronics letters 29th april 2004, vol. The aim of this research is to achieve smaller size, better bandwidth and good radiation capability. Consnarrow bandwidth low efficiency low gain figure 1 microstrip antenna 1 1.
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. The characteristics of a dual frequency compact antenna, which uses a rectangular microstrip patch with a shorting pin, are studied. This paper presents a coaxillyfed singlelayer compact dual band c and xband microstrip patch antenna for achieving dual polarized radiation suitable for applications in airborne synthetic aperture radar sar systems. The investigations on two new shortcircuited microstrip patch antennas, which are able to radiate dual frequencies at gps and bluetooth frequency bands, are. A dualband slotembedded microstrip antenna for dual. An antenna must be tuned to the same frequency band that the radio system to which it is connected operates in, otherwise reception andor transmission will be impaired. New dualfrequency microstrip antennas for wireless. Pdf dual frequency circular microstrip patch antenna.
They are lighter in weight, low volume, low cost, low profile, smaller in dimension andease of fabrication and conformity. The design of a microstrip patch antenna is reported which can be operated at gps global positioning system. The proposed antenna consists of a rectangular patch having four uslots and one islot with hshaped dgs defected ground structure. Pdf the investigations on two new shortcircuited microstrip patch antennas, which are able to radiate dual frequencies at gps and bluetooth frequency. Using ie3d software package of zeland, according to the set size, the antenna is simulated. Three slot multibanded patch antenna for wban application. Juihan lu broadband dual frequency operation of circular patch antennas and arrayswith a pair of l shaped slots, ieee transactions on antenna.
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