The 180deg broadband balun delivers equal amplitude power division and consistent 180deg plusmn5deg. A dual polarized shorted microstrip patch antenna for wideband application kenny s. Ge, a novel broadband printed dipole antenna and its application for tdlte. Index terms dualpolarized, microstrip patch antenna, high isolation, wideband. This band covers the high band frequencies for the current 2g and 3g system, as well as the requirements for the coming lte system. Antennas with the performance of polarization diversity can reduce the effect of multipath fading and increase channel capacity in mobile communication systems. Equivalentcircuit analysis of a broadband printed dipole with adjusted integrated balun and. Dual polarized patch antenna fed by meandering probes.
In this article, a lowprofile wideband dual polarized planar printed dipole antenna, fed by coaxial lines, is investigated for the td scdma operation. Wideband marchand balun and bowtie antenna for sensor aplications ilona piekarz, jakub sorocki, krzysztof wincza and slawomir gruszczynski agh university of science and technology mickiewicza 30 av. Wideband marchand balun and bowtie antenna for sensor. As adjectives the difference between wideband and broadband is that wideband is describing a communications transmission rate between that of narrowband and broadband while broadband is telecommunications of, pertaining to, or carrying a wide band of electromagnetic frequencies. This report examines the possibility of developing a broadband antenna element for base station antenna applications, which operates in the 17102690 mhz frequency band.
Ultra wideband dual polarized patch antenna with four capacitively coupled feeds, ieee transactions on antennas and propagation, vol. Based on these investigations, a design procedure for a circularly polarized eshaped patch was developed. Vias are introduced between the patch and the ground plane, in order to. Each feed is formed by a vertical isosceles trapezoidal patch and a horizontal isosceles triangular patch. Broadband circular patch antenna with monopolar radiation. A broadband dualpolarized base station antenna with. The dual polarized array in figure 1 is a frequencyscaled prototype for. Broadband circular polarized antenna with lshaped patch for 2. A wideband balun transformer using coupled lc resonators has been newly designed, fabricated, and characterized for advanced wireless systems with low cost, high performances, and multibandmode operations. A compact broadband dualpolarized antenna array for base. A printed dual polarized antenna with a bandwidth of over 50% for base station is proposed in.
Introduction dualpolarized antennas in modern communication systems have used for combating multipath and fading effects. Wideband dualpolarized patch antenna with broadband baluns abstract. In 810, wideband dualpolarized printed dipole antennas were proposed. I think i like making antenna even more than using antenna. Abstractin this letter, a dualpolarized patch antenna with low profile and wide. Pdf a wideband dualpolarized slot antenna loaded with artificial magnetic conductor amc is proposed for. Wideband dualpolarized patch antenna with broadband.
It was comprised of two pairs of coupled lc resonators. The cross metal dipole antenna is usually used to achieve the simple structure and the stable performance. We demonstrate that for the quadruple lprobe square patch antenna utilizing a dualfeed mechanism, the use of a pair of the proposed 180deg broadband baluns allowed for a wide input port. Index termsbaluns, dualpolarized antennas, microstrip. The patch antenna is excited by a broadband feed network having a 10db return loss bandwidth of 86% and a.
Download citation wideband circularly polarized patch antenna using broadband baluns a novel 90deg broadband balun comprising a broadband 90deg schiffman phase shifter is introduced as a. A thorough comparison to compare some of the recent work in wideband dual polarized patch antenna with the proposed one. The antenna is composed of two printed dipoles, two pairs of feeding coaxial lines and a ground. Stuchly department of electrical and computer engineering university of victoria, victoria, b. Wideband circularly polarized patch antenna using broadband baluns article in ieee transactions on antennas and propagation 562. Asymmetric circular shaped slotted patch antenna for 915 mhz. Wideband dual polarized antennas are also developed. It has been increasingly used in the last decade for dualwideband applications because of its design simplicity 1417. A compact wideband dualpolarized printed antenna with. The dualpolarization antenna is one of solutions for diversity antennas. A dual polarized patch antenna fed by meandering probes is presented. Unfortunately, it is hard to design a balun suitable to cover all the requirements of wideband dual polarized antennas.
The proposed antenna is equivalent as two electric dipoles and two magnetic. The hybrid ring feeding network has a fully symmetric structure and performance of high isolation within a wide bandwidth. A novel broadband printed dipole antenna and its application. A dual circularly polarized microstrip antenna for radio frequency identification rfid reader application with wideband isolation is designed in 4. Wideband circularly polarized patch antenna using broadband baluns abstract. In this paper, a wideband vertical polarized antenna. A broadband dual polarized base station antenna with sturdy construction is presented in this letter. A compact wideband dualpolarized printed antenna with coaxial feeds for tdscdma application. The proposed antenna introduces two layers of radiating patches to realize the dual frequency characteristic. Jun 27, 2016 in section 2, the paper introduces the related principle and method of microstrip antenna design. The performance of the fabricated antenna was measured and compared with simulation results. In this section, wideband dual polarized printed dipole antenna is developed based on the proposed printed dipole in section 2. Broadband cp patch antenna with lshaped ground plane for 2. A broadband dual band printed antenna for wlan is designed in section 3.
Broadband design of dual and circularly polarized antennas. Ultrawideband dual polarized patch antenna with four capacitively coupled feeds, ieee transactions on antennas and propagation, vol. Pdf wideband, lowprofile, dualpolarized slot antenna with an. Due to the con guration, the two integrated baluns are also cross arranged. A novel broadband printed dipole antenna and its application for. A design of broadband dualpolarized antenna with low cross polarization and high isolation was presented. The dualpolarized antenna is simply excited by two pairs of coaxial feeds. With four capacitive coupled feeds, a dual polarized patch antenna is presented in. Traditional printed dipole antennas with an integrated balun have. Impedance and axial ratio bandwidths exceeding 69% are achieved. High isolation dualpolarized patch antenna with hybrid. However, the antennas have narrow impedance bandwidth. Both the monopole and patch have its own resonances which, if properly combined, give rise to a broadband behavior.
A circular patch fed by a switch line balun with printed l. Basic layout of the compact dualpolarized printedcircuit antenna. The antenna consists of a square patch and four capacitively coupled feeds to enhance the impedance bandwidth. Design of miniaturized dualband microstrip antenna for wlan. Compact wideband dual polarized microstrip patch antenna k. Introduction bandwidth enhancement by multiple resonances is a widely used technique for microstrip patch antennas. A novel 90deg broadband balun comprising a broadband 90deg schiffman phase shifter is introduced as a means of enhancing the wideband circular polarization performance of dualfed type microstrip. A novel 90deg broadband balun comprising a broadband 90deg schiffman phase shifter is introduced as a means of enhancing the wideband circular polarization performance of dualfed type microstrip antennas. The antenna is composed of a cross dipole, a folded ground, two feeding networks, and a. A novel broadband printed dipole antenna and its application for tdlte communications. Wideband dual linearly polarized patch array antenna.
In 810, wideband dual polarized printed dipole antennas were proposed. A broadband dualpolarized fprobe fed stacked patch antenna is measured in 9, and the measured result reveals that the proposed antenna with a 45% relative bandwidth and high isolation is suitable for base stations applications. Broadband dualpolarized base station antenna for fifth. Broadband patch elements fed with two probes 6, 7 were introduced, but the bandwidth is not wide enough to cover both the 3g and the lte bands. Broadband array antenna mike stasiowski cobham defense electronic systems nurad division. Jan 17, 2019 therefore, it is challenging as well as of great significance to design a wideband dual. The proposed planar dipole has a vertically printed feeding balun, easy to be. An h shaped dual band microstrip patch antenna array for gps receivers has been proposed. This study presents a singlefeed wideband circularly polarised cp monopole antenna backed with a cavity for the application in global navigation satellite systems gnsss. A wideband dualpolarized lprobe proximityfed annular. Using switch line structure to design the balun, combined with two printed lprobes to supply dual feed with 90deg phase difference to the circular patch, the antenna.
Wideband circularly polarized patch antenna using broadband. The dual polarized patch antenna in used an aperture coupling feed to achieve a broad bandwidth of 1. The proposed 90 broadband balun delivers good impedance matching. A broadband dualpolarized planar printed dipole fed by a vertical. Wideband circularly polarized antenna wideband circularly polarized antenna 2 screw on the fixed screw nut tightly and loosen the fixed knob, adjust antenna s directional angles for proper positions and then revolve the fixed knob tightly for best performance result see illustrations below.
The isolation between the two ports is above 28 db in the bandwidth, and the gain is 6. The strip feedline network is formed parallel feeding method. Design of striplinefed dual polarization aperturecoupled stacked microstrip patch phased array antenna for wideband application. The design is investigated using characteristic mode analysis to determine the modal resonances responsible for its wideband behavior. Wideband and multiband antennas are required to cover all or parts of these. Baluns, hybrids and power dividers for ultrawideband antennas.
Compact wideband dualpolarized microstrip patch antenna. A prototype has been designed, following the suggested procedure for the ieee 802. Wideband lc balun transformer using coupled lc resonators. In, a wideband dual polarized patch antenna employing a broadband balun has been proposed.
Broadband circular patch antenna with monopolar radiation pattern for indoor wireless communication volume 9 issue 4 xi wang dai, sheng wen mao, tao zhou skip to main content. Kai chang due to the recent interest in broadband antennas a microstrip patch antenna was developed to meet the need for a cheap, low profile, broadband antenna. Dualpolarized aperturecoupled wideband microstrip patch. The 180deg broadband balun delivers equal amplitude power division and consistent 180deg.
In this paper, a wideband planar dualpolarized dipole with two pairs of. A broadband dualpolarized fprobe fed stacked patch antenna is measured in, and the measured result reveals that the proposed antenna with a 45% relative bandwidth and high isolation is suitable for base stations applications. Pdf compact and wideband dualpolarized antenna with high. By overlapping three squared patches along their diagonals, the bandwidth can be significantly increased. In this paper, a novel wideband circularlypolarized patch antenna is presented. The antenna supports a dual band operation with good performance in gps l1 and l5 frequency bands.
Broadband circular polarized antenna dual coupled feeds for 1. The dual band operation has been obtained by cutting vertical and horizontal slots in the patch antenna. Research article a novel broadband printed dipole antenna and. Wideband duallayer patch antenna fed by a modified lstrip. A compact wideband dualpolarized printed antenna with coaxial. Abstract a novel dualpolarized patch antenna for ultrawideband uwb applications is presented. Wideband, lowprofile, dualpolarized slot antenna with an. By employing a cross resonator, a new resonance is introduced. For the sake of structural simplicity, low profile, and ease of mass production, printed dipoles are adopted as the dual polarized antenna. Broadband multimode antenna and its array for wireless. Wideband circularly polarized patch antenna using broadband baluns yongxin guo, senior member, ieee, kahwee khoo, student member, ieee, and ling chuen ong, senior member, ieee abstracta novel 90 broadband balun comprising a broad band 90 schiffman phase shifter is introduced as a means of enhancing the wideband circular polarization. Design and characteristic mode analysis of a wideband high. This design is based on a low profile omnidirectional cp antenna which consists of a microstrip antenna working on tm01tm02 modes with slots etched on the ground plane. The antenna is composed of a cross dipole, a folded ground, two feeding networks, and a reflector.
Design of compact dualpolarized printedcircuit antenna. The invention will now be illustrated as practiced in a broadband differentialfed patch antenna. The proposed antenna contains two pairs of crossed dipoles, two specially designed feeding connectors, two pieces of dielectric pads, a supporter also a balun. Even though it achieves a wide impedance bandwidth, patch antenna produces a directional radiation pattern for application. In section 4, a dual frequency dual band microstrip antenna is designed, which is used to realize the dual band operation on the radiation side. Design of broadband dualpolarized antenna with integrated. Dualpolarized cross bowtie dipole for 3g and lte applications.
Broadband omnidirectional dualpolarized antenna with high. A compact wideband dualpolarized antenna with enhanced upper outofband suppression is presented in this paper. The patch antenna has a pair of folded feed plates for feeding the differential signal to the antenna plate. By using the duallayer patch configuration and modified lstrip feed technique, the impedance bandwidth of the patch antenna for vswr dual polarization are used to increase the wideband capability, suppress higherorder modes, and reduce crosspolarization levels.
Wideband dual linear polarized microstrip patch antenna. A wideband highisolated dualpolarized patch antenna using. A new compact dual linearly polarized ultrawideband uwb antenna for vhfuhf applications is proposed on this letter. Therefore, it is challenging as well as of great significance to design a wideband dual. Theres endless depth to it and it doesnt really require a ton of math or coding. The antenna consists of a square patch and four capacitively coupled feeds to enhance the. The results show that the lowestorder patch modes are broadband. Abstractin this paper, a dual band antenna in orthogonal polarization with stacked configuration is proposed. Compact wideband dualpolarized microstrip patch antenna k.
Kai chang recent days, antennas play an important role in wireless communication system. The 180deg broadband balun delivers equal amplitude power division and consistent 180deg plusmn5deg phase shifting over a wide bandwidth 50%. By adopting two feed points to excite two orthogonal lp modes, a wideband cp patch antenna with 37. Google analytics uses cookies, which are text files placed on your computer, to help the website analyze how users use the site. A wideband patch antenna is designed for a substrate with relative permittivity 9. The ar bandwidth of this kind of antenna is mainly determined. Metallic dual polarized antennas are presented in 8, 9, which achieve bandwidth of 65. Recently, a dualpolarized patch antenna fed by a wide balun can realize wide working band, low crosspolarization, and high isolation performances. Compact dual linear polarized wideband antenna for vhfuhf band olivier clauzier, franck colombel, mohamed himdi, patrick potier and cyrille le meins abstract. A broadband dual polarized printed antenna ruina lian, shaoshuai zhang, yingzeng yin, xueyan song, and hao zhang abstracta lowpro. Wideband circularly polarized eshaped patch antenna for. Apecgroundplane is placed on the bottom to enhance the gain and fronttoback ratio performance.
Two baluns are then introduced to excite the printed dipoles. A broadband omnidirectional, dualpolarized antenna suitable for 2g3glte applications is presented in this article. Wideband dualpolarized patch antenna with broadband baluns. The new circular asp antenna, which is fed by two orthogonal dual. A design of broadband dual polarized antenna with low cross polarization and high isolation was presented. A compact broadband dual polarized antenna array for base stations abstract.
The impedance bandwidth was enhanced by utilizing the mutual coupling between the two dipoles. The proposed 90deg broadband balun delivers good impedance matching, balanced power splitting and consistent 90deg plusmn5deg phase shifting, across a wide bandwidth 57. The feeding plates act as a wideband impedance matching device for the antenna plate, resulting in an antenna. A high isolation and wideband dualpolarized microstrip patch antenna fed by hybrid ring feeding network has been proposed in this paper. A broadband dualpolarized base station antenna with sturdy construction is presented in this letter. Circular polarization wideband eshaped patch antenna for. A broadband circularly polarized cp patch antenna fed by a planar balun with a pair of printed probes is presented in this letter. Two such dipoles are cross arranged to realize a dualpolarized antenna. Basically, the structure could be seen as a patch antenna electromagnetically coupled to the lshaped capacitively loaded monopole. The baluns are connected with the dipole and the box.
First, two orthogonal dipoles are etched on a substrate as main radiator forming dual polarization. A broadband dual polarized base station antenna with special designed feeding structures is investigated in this paper. The dualpolarized antenna has a vertically polarized element vp element and. A wideband dualpolarized antenna using shorted dipoles. Recently, a linearly polarized lp eshaped patch antenna that exhibit a dualwide bandwidth was proposed in. In this article, a lowprofile wideband dualpolarized planar printed dipole antenna, fed by coaxial lines, is investigated for the tdscdma operation. Compact duallinear polarized wideband antenna for vhfuhf band. Wideband rectangular microstrip patch antenna using lprobe. Ong, wideband dualpolarized patch antenna with broadband baluns.
A pair of novel 180 broadband microstrip baluns, printed on the backside of the bottom substrate, are utilized to feed the antenna. Ultrawideband dualpolarized patch antenna with four. The center of the antenna is hollowed for additional antenna operating at higher frequency. Yongxin guo, kahwee khoo, ling chuen ong a pair of novel 180deg broadband microstrip baluns are used to feed a dualpolarized patch antenna. A pair of novel 180deg broadband microstrip baluns are used to feed a dualpolarized patch antenna. Such compact wideband dual polarized patch antennas have been proposed in 3, 4. Broadband cp structure with an openloop coupled to the vertical stub embedded in the ground plane for cshaped monopole antenna is designed in 3. Baluns, hybrids and power dividers for ultra wideband antennas. Design of a broadband antenna element for lte base station. The use of a novel 180o broadband balun 45%, and novel 90o broadband baluns.