A triangular patch antenna for uhf band with microstrip feed. A triangular patch antenna for uhf band with microstrip. This antenna includes a memsswitched u shaped slot in the elliptical monopole surface. The asymmetric ushaped nonuniform slot antenna provides two different resonant bands are designed to be operated in long term evolution lte covers lower band 698 mhz to 960 mhz and upper band 1710 mhz to 2700 mhz. Two u shaped slots reduce the overall impedance of antenna. Ushaped planar invertedf microstrip antenna with a ushaped. The antenna is in the form of a ushaped radiating aperture. The antenna is in the form of a u shaped radiating aperture. On the use of slots in the design of patch antennas. As seen from the table u slot antenna with dimension of only 46mm56mm.
A semicircular slot antenna with a protruded small rectangular slot was excited by a 50 ohm microstrip. A slot antenna s main advantages are its size, design simplicity, and convenient adaptation to mass production using either waveguide or pc board technology. Sarin abstractin this paper, a ushaped microstrip patch antenna with meandered slots is presented. Two ushaped slots reduce the overall impedance of antenna. A novel dual band antenna with two ushaped slots is presented. The broadband design of a triangular microstrip antenna with a ushaped slot is demonstrated. The uslot antenna concept has been used in patch antenna designed to reduce antenna size. To improve the compact size of this antenna, modified u slot technique is introduced. Two u shaped slots are introduced in the both sides of bow tie antenna in order to achieve a very low return loss at these frequencies. A photograph of the fabricated prototype is shown in figure 2 figure 2. In this paper, we present a new dual band planar antenna. Analysis of double ushaped slot loaded patch antenna for uwb. Design and analysis of ushaped slot microstrip patch antenna at. A compact broadband printed monopole antenna with ushaped slit and rectangular parasitic patches for multiple applications volume 8 issue 8 sudeep baudha, dinesh kumar vishwakarma.
On the design of circular fractal antenna with ushape slot. Conclusion in this paper, compact micro strip antenna with u shaped slot is designed and has. The distance between the external edge of the ushaped slot and the edge of the substrate is 1. Ushaped slot pifas for multiantenna mobile applications. A design of ushaped slot antenna with broadband dual circularly. Pdf a new dualband microstrip antenna with ushaped slot.
It is designed for biomedical applications to operate at 2. The antenna is well suited to telephone handsets used in todays mobile communication systems operating in both gsm and dcs 1800 bands, namely 0. A printed wide slot antenna with rotated slot is proposed for bandwidth enhancement in 10. An ultrawideband coplanarwaveguide cpw fed slot antenna was excited by a 50. Enhanced bandwidth multiband eshaped microstrip patch. Design of compact eshaped slot multiband antenna wireless. This paper presents a study on bow tie antenna with ushape slot, designated for the wireless applications. Both ring and ushaped slot antenna 6,7 and eshaped patch antenna 8 have less directivity.
Design of broadband circular patch microstrip antenna with. In this paper, we propose a dualband microstrip patch antenna with u shaped slot fed by coaxial feeding technique. The slot reduces the area of copper sheet which leads to less value of quality factor hence bandwidth increases. By embedding a ushaped slot, band notch performance is achieved. A u shaped meandered slot antenna for biomedical applications shikha sukhija and rakesh k. The results showed that the ushaped slot microstrip antenna is efficiently operated. Design and simulation of dual u shaped slot patch antenna using. Although the theory requires an infinite spread conductive surface, the deviation from the theoretical value is small when the surface is greater than the square of the wavelength. In 5, crown sierpinski microstrip antenna is proposed to reduce the size. Tech student, dept of ece, rajiv gandhi university of knowledge and technologies, nuzvid, a. Using two ushaped slots, the dual band characteristics are obtained. Various u,l f shaped patch antennas with tapered, corrugated, and trapezoidal slots have been reported in the literature 68. Riyaz hussain 1, suresh kalidindi 2 lecturer, dept of ece, rajiv gandhi university of knowledge and technologies, nuzvid, a. The yshaped slot is placed symmetrically where as ushaped slot is placed.
This paper presents a novel configuration of a u shaped, dualfrequency, singlefeed, planar invertedf microstrip antenna with a u shaped slot uupifa. The polarization diversity is used to arrange the two antennas setup. Ultrawideband applications have been reported by excitation of higher order resonance on introduction of a u shaped slit in the partial ground plane and rectangular parasitic patches. Many variants of the eshaped patch structure have been proposed to produce reduced size and wideband antennas 912. A compact broadband printed monopole antenna with u shaped slit and rectangular parasitic patches for multiple applications volume 8 issue 8 sudeep baudha, dinesh kumar vishwakarma. In the present paper, a double ushaped slot loaded rectangular microstrip antenna is designed and analyzed. Design and analysis of compact u slot microstrip patch. The proposed antenna consists of a microstrip patch with a ushaped slot that is fed by. Ushaped patch has been used to improve antenna bandwidth. This antenna has the capability of wide bandwidth and for dual band applications. Pdf in this paper, we present a new dual band planar antenna.
Crossslot antenna with ushaped tuning stub for ultra. Pdf in this paper, the performance of a rectangular microstrip patch antenna fed by microstrip line is designed to operate for ultrawide band. In the present paper, a double u shaped slot loaded rectangular microstrip antenna is designed and analyzed. In this study, we present a ushaped stripslot antenna for triple band operation. By properly choosing the location and size of the tuning stub, the proposed antenna achieved a bandwidth of 60% with an overall dimension of 72 mm. The uslot patch antenna structure consists of a patch, ushaped slot, a ground plane and coaxial feed lines. Compact antenna with ushaped openend slot structure for. This paper presents a novel configuration of a ushaped, dualfrequency, singlefeed, planar invertedf microstrip antenna with a ushaped slot uupifa. Pdf compact rectangular ushaped slot microstrip patch antenna. Experimental investigations on a wideband slot antenna element have been proposed as a building block for designing single or multielement wideband or dualband slot antennas. In general, the slot antenna is not free to radiate on both sides of the surface on which it is cut because. These include, design of hshaped slot antenna for multiband operation 3, xshaped slit loaded rectangular patch 4, a simple printed monopole slot antenna with two parasitic shorted strips 5, yshaped monopole slot antenna 6, a square cylindrical monopole antenna with cross.
In this paper, we propose a novel structure that is driven by wideslot antenna and merged by a. An antenna consisting of multiple parallel slots in a waveguide is a widely used array antenna which radiates a narrow fanshaped beam of. Ultrawideband applications have been reported by excitation of higher order resonance on introduction of a ushaped slit in the partial ground plane and rectangular parasitic patches. However, when the mems switch turns to offstate, a band notch is created at 5. When an infinite conducting sheet is made a rectangular cut and the fields are excited in the aperture which is called as a slot, it is termed as slot antenna. The derivation of the radiation pattern of the uslot antenna is presented as an extension of the methods commonly employed for. Radiation characteristics of the antenna and different methods for control of. This paper deals with the comparison obtained from the results such as return loss, vswr, current distribution, and the radiation pattern of simple ushaped and. In this case, only one ushaped slot is needed for the two resonant frequencies. Radiation characteristics of the antenna and different methods for control of the resonant frequencies are investigated. Compact antenna with ushaped openend slot structure for multiband handset applications chokang hsu and shyhjong chung abstractthis communication proposes a compact ushaped slot antenna with a coupling feed for 4g handset applications. By embedding a u shaped slot, band notch performance is achieved. This paper presents a study on bow tie antenna with u shape slot, designated for the wireless applications. By tuning the curvatures of the vortex slots, the polarizations can be made equal in amplitude and a good cp circular polarization property is obtained 9.
U slot patch stacked parasitic patch ushaped slot seldom exceeds 20% bw. A printed rectangular slot antenna with a ushaped tuning stub is backed with re. This antenna includes a memsswitched ushaped slot in the elliptical monopole surface. A new dualband microstrip antenna with ushaped slot and.
This characteristic can be obtained by embedding a u slot in the patch and hence the radiating patch includes a pair of stepslots. Both simulation and experimental, and radiation pattern characteristics, are also shown and discussed. Structure of triangular patch antenna with u slot the proposed antenna was fabricated on fr4 substrate. Reactively loaded microstrip patch antenna is the most a triband slot loaded microstrip antenna is proposed. A square slot antenna excited by a cpwfed widened tuning stub was pro. The following image shows the model of a slot antenna. U slot patch stacked parasitic patch u shaped slot seldom exceeds 20% bw. Uslot microstrip antenna for amateur radio application. Pdf advancements in high speed wlan technology demand antennas with high bandwidth, high gain and compact size. I shaped selfcomplementary antenna, the l shaped antenna 5 has been proposed which has wider bandwidth and well radiation efficiency then that shown in 4.
Ushaped microstrip patch antenna with partial ground plane. Design of a compact uwb antenna using two modified ushaped slots for satellite frequency rejection in cband and xband. The antenna is composed of a simple openend ushaped slot and a feeding line with an. A ushaped slot antenna for wlan and wimax applications ieee. Two inverted u shaped slots of different size are etched on the radiating patch and the ground plane to attain triple band operation and impedance matching. Photograph of triangular patch antenna with u slot 3. Design of u slot rectangular patch antenna for wireless lan at 2. Slot loaded microstrip antenna for gps, wifi, and wimax. A new dualband microstrip antenna with ushaped slot and a. Broadband triangular microstrip antenna with ushaped slot. The proposed antenna consists of a microstrip patch with a u shaped slot that is fed by a broadband electromagnetic coupling probe, known as lprobe. In general, the slot antenna is not free to radiate on both sides of the surface on which it is cut because one side is either completely enclosed, e. In this paper, a planar antenna that can support the triband wlanwimax applications for wireless communication system is presented. Prototype fabrication is done using photolithography technology.
All multifarious parameters of the antenna are scrutinized and simulated on hfss. Let us have a look at the structure of a slot antenna. Analysis of double ushaped slot loaded patch antenna for. Experimental and simulation results are presented on the coaxially fed rectangular patch antenna with a ushaped slot.
The size of this slot antenna is lower than that of rectangular antenna. A compact broadband printed monopole antenna with ushaped. A ushaped meandered slot antenna for biomedical applications shikha sukhija and rakesh k. Us20040090366a1 dualband planar monopole antenna with a u. In this paper, ushaped slot micro strip patch antenna is designed which operates at the multiple frequencies of 7. A 28ghz uslot microstrip patch antenna for 5g applications. This can be understood by observing the image of a slot antenna. Various u,l fshaped patch antennas with tapered, corrugated, and trapezoidal slots have been reported in the literature 68. The proposed antenna produces the notch frequency band of 5. Uslot patch antenna principle and design methodology. The proposed antenna consists of a microstrip patch with a ushaped slot that is fed by a broadband electromagnetic coupling probe, known as lprobe. In this paper a proposed structure of dual u shape slot patch antenna for high frequency application is design and simulated. Both ring and u shaped slot antenna 6,7 and e shaped patch antenna 8 have less directivity.
The distance between the external edge of the u shaped slot and the edge of the substrate is 1. A printed wideslot antenna with rotated slot is proposed for bandwidth enhancement in 10. Ushaped feed, so it is called split squarering slot antenna ssrsa. Dualband antenna design for laptop the structure of this antenna is similar to the previous one for dualband antenna, thus the layer con. In 5, crown sierpinski microstrip antenna is proposed to reduce the size of a crown square fractal. A ushaped meandered slot antenna for biomedical applications. The proposed antenna is designed, simulated and optimized using ansoft hfss vs. Thus, what has been described is a unique stripline slot antenna element having minimum slot dimensions and increased bandwidth. Eshaped patch antenna has been used to design wideband antennas. The impedance of the aperture is matched by microstrip matching lines.
Design of a compact ushaped slot triple band antenna for. It demonstrates that the u shaped opening is a key factor for producing the frequency notch band. E shaped patch antenna has been used to design wideband antennas. Full text of directional characteristics of a ushaped slot. In this study, we present a u shaped strip slot antenna for triple band operation. Two ushaped slots are introduced in the both sides of bow tie antenna in order to achieve a very low return loss at these frequencies. These include, design of h shaped slot antenna for multiband operation 3, x shaped slit loaded rectangular patch 4, a simple printed monopole slot antenna with two parasitic shorted strips 5, y shaped monopole slot antenna 6, a square cylindrical monopole antenna with cross. In this paper, we propose a dualband microstrip patch antenna with ushaped slot fed by coaxial feeding technique. Design of dualband microstrip antenna with ushaped slot. The proposed antenna consists of a microstrip patch with a u shaped slot that is fed by. Request pdf design and analysis of ushaped slot microstrip patch antenna at multiple frequencies in this paper, ushaped slot micro strip patch antenna. The uwb fractal antennas with notch have been reported for uwb applications 58.
U shaped patch has been used to improve antenna bandwidth. Abstractpatch antennas incorporating a ushaped slot are wellknown to. An uwb ushaped antenna with band notch characteris tic has been presented and discussed. Ishaped selfcomplementary antenna, the lshaped antenna 5 has been proposed which has wider bandwidth and well radiation efficiency then that shown in 4.
Keywordsmicrostrip, patch antenna, wlan, ansoft hfss. In this paper, u shaped slot micro strip patch antenna is designed which operates at the multiple frequencies of 7. Dec 19, 1978 thus, what has been described is a unique stripline slot antenna element having minimum slot dimensions and increased bandwidth. The triband characteristics of antenna are achieved by incorporating a combination of symmetrical yshaped and asymmetrical ushaped slot. Many variants of the e shaped patch structure have been proposed to produce reduced size and wideband antennas 912. In this communication, a novel broadband dual circularly polarized cp antenna is presented. Uslot microstrip antenna for amateur radio application sk.
The center frequency of stopband and its bandwidth can be controlled by length and width of. Patch ground plane l shaped probe feed h w l y x z plastic post a perspective view b side view b a d c lprobe coupled patch antenna 36 % bw high crosspol in one plane. Pdf a modified bow tie antenna with ushape slot for. When the mems switch is in onstate, the antenna behaves as a standard uwb monopole. The derivation of the radiation pattern of the u slot antenna is presented as an extension of the methods commonly employed for. An uwb u shaped antenna with band notch characteris tic has been presented and discussed. A slot antennas main advantages are its size, design simplicity, and convenient adaptation to mass production using either waveguide or pc board technology. An antenna consisting of multiple parallel slots in a waveguide is a widely used array antenna which radiates a narrow fan shaped beam of. Using two u shaped slots, the dual band characteristics are obtained. Sarin abstractin this paper, a u shaped microstrip patch antenna with meandered slots is presented. The uslot patch antenna structure consists of a patch, u. Abstract in this study, a 28ghz uslot rectangular microstrip patch antenna for 5g applications is proposed. In microstrip antennas, embedded slots can also be used to enhance the impedance bandwidth of a single band antenna.
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