A wideband dualpolarized antenna for wlan, wimax, and lte base station applications is presented in this paper. In order to reduce the radiation aperture and consequently broaden the circular polarization cp and the half power beamwidth hpbw of the antenna, a partially etched superstrate and a conducting cavity are employed in the design. Design of compact dualpolarized printedcircuit antenna. In this paper a compact singlefeed circularly polarized cp patch antenna at sband is designed.
Introduction bandwidth enhancement by multiple resonances is a widely used technique for microstrip patch antennas. Analysis of a compact wideband slotted antenna for ku band. Planar compact multislot uwb antennas are designed to satisfy the requirements of the uwb systems and minimize the interferences from wlan and xband applications. In this article, a lowprofile wideband dualpolarized planar printed dipole antenna, fed by coaxial lines, is investigated for the tdscdma operation. Design and analysis of a wideband multiple microstrip. Compact and broadband microstrip antennas kinlu wong. Such compact wideband dualpolarized patch antennas have been proposed in 3, 4. The antenna is based upon an aperture stacked patch layout and incorporates a simple duallayered feeding. Microstrip antenna is the usual choice for compactness antenna design, but the isolation performance of. Each feed is formed by a vertical isosceles trapezoidal patch and a horizontal isosceles triangular patch. Obviously these dualpolarized patch antennas with a multilayer structure have a complicated configuration. A compact dualpolarized wideband patch antenna array for the unlicensed 60 ghz band is designed in. To optimally utilize these millimeter wave data transmission channels, exploiting orthogonal. A novel dualpolarized patch antenna for ultrawideband uwb applications is presented.
Pdf a wideband dualpolarized antenna using shorted dipoles. To improve the 3db axial ratio bandwidth arbw, two symmetric parasitic rectangular patches paralleled to a central. Thin profile wideband and high gain microstrip patch antenna on a modified amc. A compact wideband circularly polarized patch antenna with. Abstracta wideband dualpolarized dipole antenna is presented usingthe di. Simulation and equivalent circuit analysis of the antenna. The proposed slotted planar patch antenna comprises of microstrip line fed. Ghanshyamdesign considerations for rectangular microstrip patch antenna on electromagnetic crystal substrate at. Dualpolarized wideband antenna is widely needed in wireless communication systems that need polarization diversity. This antenna consists of a microstrip feed line, a square annular slot and two embedded inverted l. Patch antennas are a popular type of radiators to realize.
Compared with the mpa without the crr, the bandwidth of the proposed antenna. Wideband circularly polarized microstrip antenna with. A planar antenna includes a set of first radiating plate and first power supplying plate in which openings of the former and power supplying terminals of the latter are respectively coupled electromagnetically to each other, and a further set of second radiating plate and second power supplying plate in which openings of the former and power supplying terminals of the latter are. A compact threedimensional 3d circularly polarized cp microstrip antenna is presented in this paper. Antenna 1 is a dualpolarised antenna consisting of a hexagonal wide slot, hexagonal stub and rectangular stub in the ground plane for getting uwb radiation characteristics and wide axialratio bandwidth. A circularlypolarized compact wideband patch antenna. A novel compact dualpolarized antenna, international journal of antennas. U and eshaped 2, 3, stacked patches 4, and patches with. Compact and wideband quasi yagiuda antenna based on periodic grating ground and coupling method in terahertz regime. Compact and wideband quasi yagiuda antenna based on. By using complementary rhombus resonator crr, a smallsize and lowprofile microstrip patch antenna mpa with broad bandwidth has been proposed. Pdf compact wideband dualpolarized microstrip patch antenna.
A wideband, dual polarized printed antenna is designed and developed in this paper. Size reduction of the radiating element and the slot in. A novel design method of wideband dualpolarized antenna is presented by using shorted dipoles, integrated baluns, and crossed feed lines. The proposed antenna consists of a central patch and a microstrip line radiator. The antenna adopts three lowcost printed circuit boards to form an integrated and closed 3d structure, and the radiation patch and the feed patches are etched on the surface of that. A compact dualband dualpolarized antenna is proposed in this paper. Compact wideband overlapped patches microstrip antenna. Us5453751a wideband, dual polarized planar antenna. A compact dualpolarized double shaped patch antenna with high isolation yanshan gou, shiwen yang, quanjiang zhu,and zaiping nie abstracta compact dualpolarized double shaped patch antenna with high isolation for pico base station applications is presented in this communication.
Compact dual circularlypolarized microstrip antennas. Stuchly department of electrical and computer engineering university of victoria, victoria, b. The proposed antenna consists of two pairs of orthogonal planar quasiopensleeve dipoles along the centerlines, a balanced feeding structure and a. The antenna consists of a radiator, a crossshaped slot coupler, a pair of microstrip. By employing wideband feeding mechanisms for the two input ports, high. There are several methods to increase the bandwidth and reduce the size of the antennas. There are numerous methods to couple multiple resonances. A compact dualpolarized wideband patch antenna array for the unlicensed 60.
Design and study of compact and wideband microstrip uslot patch antenna for wimax application. Compact and wideband planar loop antennas are developed in. Two parallel slots are incorporated into the patch of a microstrip antenna to expand it bandwidth. Lowcost and compact 3d circularly polarized microstrip. Chu school of electronic and information engineering south china university of technology guangzhou 510640, china abstracta compact singlefeed dualband circularly polarized cp microstrip antenna is evaluated numerically and experimentally. A compact dualpolarized double shaped patch antenna. This paper presents a novel single patch wideband microstrip antenna. Pdf on jan 1, 2008, k s ryu and others published a. A compact dualpolarized wideband patch antenna array for the unlicensed 60 ghz band is designed in 12. The unlicensed 60 ghz industrial, scientific and medical ism radio band provides a wide bandwidth for wireless high data rate communication systems. A set of two compact ultrawideband uwb antennas are presented and investigated in this study. A compact dualpolarized double shaped patch antenna with. To improve the 3db axial ratio bandwidth arbw, two symmetric parasitic rectangular patches. The two arms of each bent slot have the same length and are perpendicular to each.
This paper works on the ultra wide band above the 2ghz, inset cut3 is provided to the coplanar microstrip waveguide feed to circular patch. One of the techniques for bandwidth enhancement is to add the shorting vias on the microstrip patch antennas. Compact wideband circularly polarized antenna with. Citeseerx document details isaac councill, lee giles, pradeep teregowda.
In this contribution a dualband, dualpolarized microstrip antenna element for array applications is presented. Wideband circularly polarized microstrip antenna with enhanced beamwidth suman pradhan. Jacob, investigation of wideband microstrip slot antenna, ieee trans. Pdf a compact dualband dualpolarized antenna for base. Bandwidth enhancement by multiple resonances is a widely used technique for microstrip patch antennas. Compact microstrip antennas are of great importance in meeting the miniaturization requirements of modern portable communications equipment this book is a comprehensive treatment of design techniques and test data for current compact and broadband microstrip designs summarizes the work of the author and his graduate students who have published. Pdf design and study of compact and wideband microstrip. By overlapping three squared patches along their diagonals, the bandwidth can be significantly increased. In 17, dbdp is produced using different rectangular patches with. Pdf study of compact and wideband microstrip uslot. High isolation dualpolarized patch antenna with hybrid. The hybrid ring feeding network has a fully symmetric structure and performance of high isolation within a wide bandwidth. The cp radiation is achieved by loading a rectangular slot on the ground plane.
The proposedantenna consists of two horizontal bowtie dipoles and four vertically oriented meandering strips. This letter presents the design and realization of a compact dual polarized aperture coupled microstrip patch antenna for ultrawideband radio frequency identification uwb. Sarkar, slot loaded compact microstrip patch antenna for dual band operation, progress. Parametric studies were conducted to illustrate the working principle of the proposed antenna. The ends of the dipoles for lower frequency band are bent to increase the coupling between adjacent dipoles, which can benefit the compactness and bandwidth of the antenna. Study of compact and wideband microstrip uslot patch antenna with dgs for satellite application.
Ultrawideband dualpolarized patch antenna with four. This letter presents the design and realization of a compact dual polarized aperture coupled microstrip patch antenna for ultrawideband radio frequency identification uwbrfid applications. In this paper, a dualband antenna in orthogonal polarization with stacked. Pdf a wideband dualpolarized antenna using planar quasi.
Compact dual polarized aperture coupled microstrip patch. A wideband multiple microstrip dipole antenna mmda with dual polarization is proposed in this letter. A compact wideband dualpolarized printed antenna with. Available formats pdf please select a format to send. An additional resonance is introduced by the crr to broaden the bandwidth. This wideband cp is gained by truncating the one edge corners of the patch. A triangular patch antenna for uhf band with microstrip. A high isolation and wideband dualpolarized microstrip patch antenna fed by hybrid ring feeding network has been proposed in this paper. Examples include coupled patches 1, patches with slots e.
The uwb antenna consists of simple rectangular patch antenna with 50. Two parallel slots are incorporated into the patch of a microstrip antenna. Few studies have examined wideband dbdp antennas except 1719. The singlepolarized planar printed rectangular dipole and petal dipole, with the similar configuration, are first studied, exhibiting. A triangular patch antenna for uhf band with microstrip feed line for rfid applications twinkle kundu1 and davinder parkash2 1m. In 17, dbdp is produced using different rectangular patches with parasitic patches and. The antenna consists of a square patch and four capacitively coupled feeds to enhance the impedance bandwidth. The antenna is composed of two printed dipoles, two pairs of feeding coaxial lines and a ground. In this paper, a novel wideband circularly polarized cp millimeter wave mmwave microstrip antenna is presented. The simulated impedance bandwidth of the antenna, defined by 10db return loss, can reach an operating bandwidth of 8ghz 210ghz, from proposed microstrip fed patch antenna with rectangular slot in patch and multiple slotted ground plane.
Design of ultra wideband circular patch monopole antenna. The two pair dipoles with strong end coupling are used for the lower frequency band, and crossplaced patch dipoles are used for the upper frequency band. Abstract a novel dualpolarized patch antenna for ultrawideband uwb applications is presented. Pdf a compact wideband dualpolarized antenna with enhanced upper. Compact and wideband planar loop antenna with microstrip. Basic layout of the compact dualpolarized printedcircuit antenna for uwb applications. It provides a wide bandwidth for wireless high data rate communication systems while its fabrication process is very complex. It provides a wide bandwidth for wireless high data rate communication systems while its. A compact broadband printed monopole antenna with ushaped. For this application, the critical requirements include compact size, wide bandwidth, high isolation, low cost, etc.
Bandwidth enhancement of microstrip patch antenna using. A compact singlefeed circularly polarized microstrip antenna is proposed to achieve symmetric radiation pattern over a wide range of observation angles. Bandwidth enhancement of a microstrip patch antenna for ultrawideband applications. A circularlypolarized compact wideband patch antenna loaded by metamaterial structures mojtaba simruni and shahrokh jam abstractin this paper a compact wideband aperture coupled microstrip patch antenna mpa with impedance bandwidth of 26. Compact wideband dualpolarized microstrip patch antenna. Compact ultrawideband microstrip antenna with dual. Compact dualpolarized microstrip antenna structure and results figure 1 shows the geometry of the compact dualpolarized square patch microstrip antenna with four bent slots parallel to the patch s central lines 1. Dual polarized wideband aperture stacked patch antennas. The first and second frequency bands cover the gsm and dcs.
The antenna contains a lslot and designed with dgs technique to reduce the size of antenna. A compact dualband dualpolarized microstrip antenna array for. A compact and simple structure antenna with triple. Pdf compact wideband dualpolarized microstrip patch.
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