Dual band triangular patch antenna with modified ground plane

Design of triangular and modified eshape antenna for uwb. A triangular patch antenna for uhf band with microstrip. The antenna configuration in figure 1a is first used for the parametric study. A patch antenna is a type of radio antenna with a low profile, which can be mounted on a flat surface. Effects of ground plane size on antenna gain electrical. We demonstrate design using slot in slot embedded in the triangular patch acting as sideslots. The antenna operates at two frequency bands with bandwidths exceeding 20% at the 2. The projected antenna consists of a modified rectangular radiation patch with a circular and 3 rectangularshaped slots etched thereon. Important parameters of antenna like return loss, input impedance, antenna gain, and vswr are observed and comparison is done among the different antenna widths. Glass microfiber reinforced ptfe and coupling mechanism for this antenna technology are also analyzed. A dual band antenna with fractal based ground plane has been proposed in 1. The antenna covers two bands of gps applications l1 1.

In conclusion, a compact dualband triangular microstrip antenna with broadband characteristics for wlan applications was presented. A novel miniaturized dual band antenna configuration containing triangular and diamondslotted patches with a slotted ground plane is projected. The antenna utilizes a triangular radiating patch and two folding arms shorted to the ground plane to yield. A new fractalbased miniaturized dual band patch antenna for rf. The radiating patch and the feed lines are usually photo etched on the dielectric substrate. A dual band inset fed rectangular patch antenna array has been proposed for intelligent transportation system its application. The antenna has a modified ground plane which effectively increases the operation bandwidth. Slotted uwb antenna for bandwidth and gain enhancement. The main focus of this paper is to improve band width so that patch antenna is used for wide band.

The highest gain is provided by the antenna with six elements array for both frequencies. Design of a compact dual band patch antenna with enhanced bandwidth on modified ground plane anitha p 1 research scholar, department of electronics and communication engineering, jawaharlal nehru technological university, anantapur jntua, andhra pradesh, india. In this paper, a novel compact dualband microstrip patch antenna with dualradiation modes is investigated. A compact dual band microstrip patch antenna loaded with a csrr is designed and fabricated here. Dualband antenna with fractalbased ground plane for wlan. Pdf modified ground plane of patch antenna for broadband. Parallel slot loaded proximity coupled equilateral. This antenna structure has been designed for covering 3.

In this article, asymmetrical mirrorimaged monopole antenna comprises a rectangular patch with tuneable stub and supported with modified ground structure mgs is investigated. Citeseerx dual band equilateral triangular patch antenna. Dual band dual mode triangular textile antenna for body. Planar uwb antenna with multislotted ground plane, microwave and optical. Three multiband microstrip patch antennas mpas to operate at 3.

Open end slits pattern in ground plane of the proposed antenna is used for dual band operation. A triangular, truncatedcorner shortcircuited antenna with a vshaped slot for dual. A triangular patch microstrip textile antenna with partial ground is estimated for wide band application. Antenna gain is a measure of directivity properties of antenna. A triangular patch antenna with a parasitic element over a modified small ground plane is presented. The result shows dual band operation, which is justified theoretically. The patch is generally made of conducting material such as copper or gold and can take any possible shape. Simulation of microstrip line fed triangular patch has been carried out with advanced design system ads software for infinite ground plane. The radius of the circular monopole disc is the first parameter to optimize for the lowest return loss and widest bandwidth while the other parameters are kept constant. Dual band rectangular patch antenna array with defected. Dualband triangular patch antenna with modified ground plane.

With the value g gap between patch with modified ground plane is 0. Dual band msa with pair of vertical slots on ground plane a multiband rmsa with various defects on the ground plane is shown in fig. Ism band triangular patch antenna on fr4 substrate withupattern slots. Other types such as single feed dual band using higher order modes of the circular microstrip antenna cmsa and triangular microstrip antenna tmsa are out of our scope. Efficient and optimized design of a stacked patch microstrip antenna. Compact modified swastika shape patch antenna for wlanwimax applications. The proposed antenna is characterised for dual band dual polarised dbdp radiations and can operate at 2. The antenna bandwidth is furthered by etching the triangular shaped slot on the ground plane. Design of dual band dual polarized microstrip patch antennas. Dualband operation of a microstrip patch antenna on a. Asymmetrical mirror imaged monopole antenna with modified. The slotted radiating patch, the ellipticalslotted ground plane, and the. By inserting a triangular patch in the coplanar ground plane, antenna is able to radiate at two resonance frequencies simultaneously. A conventional ground plane has been modified to reduce the size and increasing the bandwidth as well as to cover the wimax band.

Circular rectangularcr patch, gain, microstrip patch antenna, return loss, vswr 1. In this study, the second iteration of an insetfed modified sierpinski carpet. The dimensions referred in the paper are in mm, and frequencies are expressed in mhz. Consnarrow bandwidth low efficiency low gain figure 1 microstrip antenna 1 1. These include single short pin loaded between ground plane and patch, slotloaded on patch, stacked multiresonator rectangular patches on thick substrate. Effect of ground plane for enhancing the bandwidth and. Compact microstrip triangular patch antenna with meandered.

A compact dualband printed monopole antenna for wimax. Equilateral triangular patch antenna, resonant frequency, dual. Compact dualband triangular microstrip antenna with. Compact dual frequency wide band circular patch antenna with uslot. By adjusting the size of these structures, a dualband antenna can be obtained. The dimension of the structure is almost equal to 104 x 30 mm 2. Figure 1 shows the geometry of the proposed dual band antenna and its modified ground plane. As the shape antenna is fractal triangular slot over circle it is named as crown circular microstrip fractal antenna in the literature 6. Wide band triangular patch textile antenna with partial. In microstrip patch antenna so many techniques are used for. The miniaturization of the antenna is achieved with slots in the patch and ground plane, hence the name slotted patch and partial ground. In this study, a dual band notch microstrip antenna for uwb applications has been.

Ground modified doublesided printed compact uwb antenna. Dual band x shape microstrip patch antenna for satellite applications. Dualband and multiband microstrip patch antenna can be realized with. The planar circular disc monopole is fabricated on a 3 cm 5.

Unlike a conventional microstripfed antenna with a solid ground. Design and improvement of microstrip patch antenna. Introduction circularrectangular microstrip patch antenna has been presented for dual band in wireless communication systems 2. Gain and efficiency of proposed antenna is shown in figure 5 and figure 6 respectively. A compact dualband microstrip patch antenna loaded with a csrr is designed and fabricated here. A reactive impedance modified square ring shaped dgs embedded onmicrostrip antenna free download. Split ring triangular shaped patch antenna made of polymide with. Design of a compact dual band patch antenna with enhanced. A triangular coupledresonator antenna for ultrawideband applications. By inserting two rectangular shaped slots in the ground plane, much wider. The antenna is etched on the laminated sides of a 1mmthick fr4 printedcircuitboard pcb substrate, which features relative dielectric constant of 4. Again as shown in figure 3b, the average peak gain of the proposed antenna for first band is almost 4.

Bandwidth enhancement of uwb microstrip antenna with a. Mahesh c p and p m hadalgi, proximity coupled equilateral triangular microstrip antenna with diamond shape slot for dual band operation internationaljournal of advanced research in electrical, electronics and instrumentation engineering, vol. The proposed antenna is designed to operate at the dual frequencies of 915 mhz and 2. A dualband characteristic can also be obtained after implementing the csrr. The results of both equilateral triangular patch and the shorting pinloaded dual frequency triangular patch models are presented and discussed. Miniaturized dual band triangular microstrip antenna with.

Dual band x shape microstrip patch antenna for satellite. Design of compact dualband and triband microstrip patch. Design and realization of minkowski fractal antenna dual. It was shown that two frequencies can be excited on the same patch with the aid of an embedded rectangular slot on the ground plane having good antenna. Constrains on wireless antenna design include requirement for multi band resonance. The geometry of the proposed dual band rectangular microstrip patch antenna with hshaped defected ground structure in its ground plane is shown infig. The dualband operation of a microstrip patch antenna on a duroid 5870 substrate for ku and kbands is presented. On the development of a modified triangular patch antenna array for 4. Some of them are a half ring antenna with slot and pins on the ground plane 5, t shaped patch shorted with a circular patch and some parasitic patches 6 and circular patch on pdms substrate with reactive loadings 7. The fabrication of the proposed antenna is performed with slots and a duroid 5870 dielectric substrate and is excited by a 50. Design of circular with triangle microstrip fractal. The proposed antenna structures are mainly constructed from the forkshaped monopole antenna. However to achieve dual band response through this design ground plane is also placed on the bottom of the patch of size 50x53 mm half the size of substrate.

Microstrip antenna covers mobile wimax and wifi bands by. Dra excited by a modified annular slot are reported in. Design of compact triangular patch antenna for wimax. In this work, a miniaturized dual band antenna operable at 2. Microstrip cr slotted wifi antenna modified for x band. Circuit theory of microstrip antennas for dual, multi, and.

It is marked from the return loss and the gain curve that the proposed shape antenna is utterly capable of transmitting and receiving in the desired ku band of 15. The proposed antenna consists of a rectangular ground plane, a ushaped feed probe, and an hshaped slot radiating patch. Microstrip patch antenna with triangular shape is fabricated on fr4 substrate which has a relative permittivity of 4. They are the original type of microstrip antenna described by howell in 1972. The ideal patch is unbalanced, so you should have most of the surface current distribution on the patch surface. The proposed antenna provides sufficient and appropriate gain required for operation in the rfid 0. Adopted from a cpwfed rectangular patch antenna for wlanwimax applications.

Inserting a slits in the slotted ground plane is a technique to combine two or more band of. Dual band, tri band, quad band, and dual mode cellular phone is an example of a multiple frequency wireless devices. Design and realization of minkowski fractal antenna dual band at frequency 2450mhz. A dual band characteristic can also be obtained after implementing the csrr.

Keywordscoaxial probe, cavity model, microstrip antenna, resonant frequency, dual band antenna. It consists of a flat rectangular sheet or patch of metal, mounted over a larger sheet of metal called a ground plane. Finally, a simple, modified, rectangularshaped, printed antenna that exhibits dual band. Modified ground plane of patch antenna for broadband applications in cband. Abstract this paper presents a wide band gap coupled microstrip patch antenna. The results are compared with the measured values as well as those obtained from the transmission line model. The ground plane of pcb forms the ground plane of antenna and hence prevents backward radiation.

Design and simulation of a novel dual band microstrip. Miniaturized dual band multislotted patch antenna on. A wearable triangular textile antenna for on off body. The antenna is fed by a microstrip center lined technique. Quadband duallayer microstrip antenna design for mobile.