The fields of the microstrip antenna are plotted in figure 2 for wl0. A miniaturized yagiudaoriented doublering antenna with. Advanced antenna miniaturization techniques for lowpower. This article presents the design of a miniaturized microstrip antenna for microwave medical imaging. This antenna consists of a driven patch, reactive impedance. Flexible and miniaturized design of microstrip patch. Lastly, a novel approach to combine the miniaturized monopole and patch antenna elements into a compact common aperture diversity antenna is presented for mimo applications. Dualband miniaturized patch antennas for microwave breast. A wide band miniaturized square patch antenna with kiteshape fractals for wlanwifi applications. The antenna patterns in the hplane and eplane in the. Compact miniaturized antenna for 210 mhz rfid abstract this paper describes the design and simulation of a miniaturized squarering antenna. A miniaturized design of microstrip patch antenna has been proposed for significant improvement in crosspolarization purity. Compact miniaturized antenna for 210 mhz rfid abstract. A highly miniaturized patch antenna ieee conference publication.
Study of miniaturized patch microstrip antenna with circular. A highly miniaturized patch antenna ieee conference. A semicircle looped vertically omnidirectional radiation vor patterned tag antenna for uhf 919923 mhz for malaysia frequency is designed to overcome the impedance mismatch issue in this paper. Design of an efficient miniaturized uhf planar antenna kamal sarabandi, fellow, ieee, and reza azadegan, student member, ieee abstract in this paper, the design aspects and the measured. Miniaturized microstrip patch antenna with defected ground structure. Microstrip antenna is one of the most useful antennas for wireless communication because of its inherent features like low profile, light. Miniaturized slotted patch antenna for xband apllications s. The international journal for computation and mathematics.
The front view of proposed patch antenna for miniaturized size using re ector is shown in fig 2. A miniaturized multiband slotted microstrip antenna for wireless applications is designed and its characteristics have been investigated. In this paper, a meandered tag antenna is proposed with vertically omnidirectional radiation vor pattern. The directivity of patch antennas is approximately 57 db. The antenna uses a unique semicircle matching structure that not only forms a conjugate. In one embodiment, a miniaturized antenna inlcudes a substrate, an antenna loop associated with the substrate, and one or more verticallyoriented electricallyconductive elements coupled to the antenna. Design of an efficient miniaturized uhf planar antenna. Miniaturized band notched uwb antenna with improved. Miniaturized microstrip patch antenna with defected ground.
A miniaturized patch antenna by using a csrr loading plane. Radiation patterns, permittivity, directivity, and gain october 12, 2016 by mark hughes antennas allow information to be transferred to distant locations. Design and analysis of miniaturized microstrip patch. Pdf miniaturized multiband microstrip patch antenna using. A novel design of miniaturaized patch antenna using. A new fractalbased miniaturized dual band patch antenna. Pdf miniaturized microstrip patch antenna with defected. Ultraminiature circularly polarized cpwfed implantable. Abstract this paper presents line fed miniaturized square fractal antenna containing small kite. The miniaturized patch antenna is assembled by placing the. In this work, a miniaturized dual band antenna operable at 2. The miniaturized antennas are implemented by attaching two separate substrates. The antenna is miniaturized using defected ground structure and shorting pin techniques. A compact circular axeshaped patch antenna is presented for.
Various substrates such as teflon, roger 5880, bakelite and air are in use to achieve better gain and directivity. The proposed antenna consists of a substrate, one side. Pdf a miniaturized patch antenna by using a csrr loading plane. Microstrip patch antenna array using dgs the proposed antenna is shown in fig. Pdf a highly miniaturized significant gain triple band patch antenna loaded with a new modified double circular slot ring resonator mdcsrr. The invention is notably useful in rfid applications. In this article, a miniaturized hybrid patch antenna is proposed that shows improved matching bandwidth and almost invariant radiation patterns. Integration of miniaturized patch antennas with high dielectricconstant multilayer packages and softandhard surfaces shs r.
In the second part of this antenna basics series, you will learn more about the physics of how antennas work. A microstrip inset feed patch antenna with miniaturized size is to work as both receiver and transmitter at 2. Pdf miniaturized rectangular patch antenna loaded with spiral. The aim of this work is to obtain a miniaturized microstrip patch antenna array using defected ground structure dgs for s band at 2. A miniaturized uwb dipole antenna design by using fractal. This paper presents a design methodology for the implementation of a miniaturized square patch antenna and its circuit model for 5. A miniaturized patch antenna with enhanced bandwidth by. Integrable miniaturized folded antennas for rfid applications. Figure 5 radiation pattern of proposed antenna figure 6 module of the proposed miniaturized mpa. A miniaturized circularlypolarized antenna for inbody. Design of a miniaturized meandered line antenna for uhf. The simulation results show that this method is suitable to design small patch antenna.
The antenna is having omni directional radiation pattern and the return loss considered is 10db. Integration of miniaturized patch antennas with high. In order to improve the gain of this miniaturized radiator, the patch radiator is further modified to. Fig 5 shows the waveguide port of slotted patch antenna. Pdf a practical miniaturized uslot patch antenna with. Figures and show how the gain patterns are distorted if. Abstracta highly miniaturized significant gain triple band patch antenna loaded with a new modified double circular slot ring resonator.
The proposed miniaturized multiband patch antenna contains 2 substrates where one substrate is fr4 fixed. Additionally, by cutting rectangular slots into the patch and adding open stubs in the annular ring, a cp biofriendly. Graphic representation of microstrip patch antenna thickness of the patch and ground plane copper and pec are 0. The approach can be applied to reduce the crosspolarization level of any. A practical miniaturized uslot patch antenna with enhanced bandwidth. Abstractin this paper, a highgain miniaturized microstrip patch antenna was designed using engineered magnetic materials as both. We present a miniaturized, dualband patch antenna array element that is designed for use in a 3d microwave tomography system for breast imaging. Pdf miniaturized rectangular patch antenna loaded with. The miniaturized antenna, with overall dimensions of. The present invention relates to a miniaturized patch antenna assembly in uhf frequency band. Gain enhanced miniaturized microstrip patch antenna using. The unit cell is made of a spiral and three wires printed on a. A highly miniaturized microstrip patch antenna is presented in this paper.
Parameters or dimensions of this antenna are tabulated in table. A miniaturized slotted rectangular nameplate patch antenna was designed using an fr4 epoxy substrate and a coaxial feeding mechanism. Pdf a rectangular miniaturized patch antenna loaded by new metamaterial unit cells. Miniaturized uwb microstrip antenna for microwave imaging. Miniaturized slotted patch antenna for xband apllications. Based on the use of slotted patches for improved gain and. This paper presents a novel compact single layer and feed dualband patch antenna, which operates at 2. The approach can be applied to reduce the crosspolarization level of any conventional patch in working condition, but without any perturbation in the patch and the ground plane. Miniaturized rectangular slotted nameplate antenna design. Miniaturized multiband slotted microstrip antenna for. A comparison between recently published monopole antennas is shown in table 2. The paper presents a coplanar waveguide cpwfed ultra miniaturized patch antenna operating in industrial, scientific and medical ism band 2. Design of miniaturized multiband microstrip patch antenna. The efield radiation pattern of rectangular patch antenna at 3.
Miniaturized microstrip antenna array using defected. Design of rectangular ring patch antenna for ism band at 2. The pattern on layer 2, as shown in figure 2, is just the exact complementary pattern of layer 1. Multiband miniaturized patch antennas for a compact, shielded.
Dualfrequency microstrip antennas for transmission and reception represent promising approach for doubling the system capacity. Miniaturized dualband antenna with a rectangular patch. Normalized radiation pattern for microstrip patch antenna. Miniaturization of patch antenna using metasurface wiley online. Miniaturization of rectangular patch antennas partially. A compact circular polarized cp doublering antenna with directional pattern is proposed. Section iii results provides simulated and measured resonant frequencies, gain, and radiation patterns for three representative multiband. A rectangular miniaturized patch antenna loaded by new metamaterial unit cells, which operate as munegative medium, is proposed. Abstract in this paper, a miniaturized microstrip patch antenna using a negative index metamaterial with modified splitring resonator srr unit cells is proposed for ultrawideband uwb applications. In order to shift the resonance frequency of the microstrip. Fundamental specifications of patch antennas radiation pattern a patch antenna radiates power in certain directions and we say that the antenna has directivity usually expressed in dbi. A miniaturized yagiudaoriented doublering antenna with circular polarization and directional pattern abstract. The basics of patch antennas, updated orban microwave. Advanced antenna miniaturization techniques for lowpower, broadband and diversity wireless systems by jungsuek oh a dissertation submitted in partial fulfillment of the requirements for the degree of.
However, this miniaturization is at the cost of gain of the antenna. A folded patch and a folded strip antenna are presented in this paper for rfid applications. A wide band miniaturized square patch antenna with kite. Miniaturized microstrip antenna array using defected ground.
The folded patch antenna is implemented on ltcc multilayer technology and has a miniaturized antenna size of. Initially the patch antenna array designed at c band resonates. To achieve better impedance matching and desirable antenna gain, a 3x3 array of split ring. The antenna is a compact planar slotted microstrip patch antenna with a modified partial ground plane.
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