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. A compact broadband dualpolarized antenna array for base. Each feed is formed by a vertical isosceles trapezoidal patch and a horizontal isosceles triangular patch. A dual polarized patch antenna fed by meandering probes is presented. A broadband omnidirectional, dualpolarized antenna suitable for 2g3glte applications is presented in this article. In this paper, a wideband planar dualpolarized dipole with two pairs of.
A prototype has been designed, following the suggested procedure for the ieee 802. A novel broadband printed dipole antenna and its application for tdlte communications. First, two orthogonal dipoles are etched on a substrate as main radiator forming dual polarization. Stuchly department of electrical and computer engineering university of victoria, victoria, b.
The dual band operation has been obtained by cutting vertical and horizontal slots in the patch antenna. The cross metal dipole antenna is usually used to achieve the simple structure and the stable performance. Apecgroundplane is placed on the bottom to enhance the gain and fronttoback ratio performance. The performance of the fabricated antenna was measured and compared with simulation results. A wideband highisolated dualpolarized patch antenna using. Ultra wideband dual polarized patch antenna with four capacitively coupled feeds, ieee transactions on antennas and propagation, vol. By adopting two feed points to excite two orthogonal lp modes, a wideband cp patch antenna with 37. A broadband dualpolarized base station antenna with. Theres endless depth to it and it doesnt really require a ton of math or coding.
A wideband dualpolarized lprobe proximityfed annular. Based on these investigations, a design procedure for a circularly polarized eshaped patch was developed. Index termsbaluns, dualpolarized antennas, microstrip. Equivalentcircuit analysis of a broadband printed dipole with adjusted integrated balun and. The 180deg broadband balun delivers equal amplitude power division and consistent 180deg plusmn5deg phase shifting over a wide bandwidth 50%. The 180deg broadband balun delivers equal amplitude power division and consistent 180deg plusmn5deg.
The baluns are connected with the dipole and the box. A dual polarized shorted microstrip patch antenna for wideband application kenny s. Baluns, hybrids and power dividers for ultrawideband antennas. Due to the con guration, the two integrated baluns are also cross arranged. The proposed 90deg broadband balun delivers good impedance matching, balanced power splitting and consistent 90deg plusmn5deg phase shifting, across a wide bandwidth 57. In this article, a lowprofile wideband dual polarized planar printed dipole antenna, fed by coaxial lines, is investigated for the td scdma operation. Broadband array antenna mike stasiowski cobham defense electronic systems nurad division. Pdf a wideband dualpolarized slot antenna loaded with artificial magnetic conductor amc is proposed for. A wideband patch antenna is designed for a substrate with relative permittivity 9. A compact wideband dualpolarized printed antenna with coaxial.
Antennas with the performance of polarization diversity can reduce the effect of multipath fading and increase channel capacity in mobile communication systems. 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. High isolation dualpolarized patch antenna with hybrid. Wideband dual linearly polarized patch array antenna.
The dualpolarization antenna is one of solutions for diversity antennas. The hybrid ring feeding network has a fully symmetric structure and performance of high isolation within a wide bandwidth. The dual polarized array in figure 1 is a frequencyscaled prototype for. Wideband dualpolarized patch antenna with broadband.
Jun 27, 2016 in section 2, the paper introduces the related principle and method of microstrip antenna design. The strip feedline network is formed parallel feeding method. The antenna consists of a square patch and four capacitively coupled feeds to enhance the. 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. Ultrawideband dualpolarized patch antenna with four. It was comprised of two pairs of coupled lc resonators. The invention will now be illustrated as practiced in a broadband differentialfed patch antenna. Asymmetric circular shaped slotted patch antenna for 915 mhz. A design of broadband dual polarized antenna with low cross polarization and high isolation was presented. A new compact dual linearly polarized ultrawideband uwb antenna for vhfuhf applications is proposed on this letter. A dual circularly polarized microstrip antenna for radio frequency identification rfid reader application with wideband isolation is designed in 4. 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.
Broadband multimode antenna and its array for wireless. Ultrawideband dual polarized patch antenna with four capacitively coupled feeds, ieee transactions on antennas and propagation, vol. Wideband dual polarized antennas are also developed. Abstract a novel dualpolarized patch antenna for ultrawideband uwb applications is presented. The patch antenna has a pair of folded feed plates for feeding the differential signal to the antenna plate. 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. In this paper, a novel wideband circularlypolarized patch antenna is presented. Both the monopole and patch have its own resonances which, if properly combined, give rise to a broadband behavior.
A design of broadband dualpolarized antenna with low cross polarization and high isolation was presented. The dual polarized patch antenna in used an aperture coupling feed to achieve a broad bandwidth of 1. A broadband dual polarized base station antenna with sturdy construction is presented in this letter. Broadband circular polarized antenna with lshaped patch for 2. The proposed antenna contains two pairs of crossed dipoles, two specially designed feeding connectors, two pieces of dielectric pads, a supporter also a balun. The proposed antenna is equivalent as two electric dipoles and two magnetic.
In this paper, a wideband vertical polarized antenna. This band covers the high band frequencies for the current 2g and 3g system, as well as the requirements for the coming lte system. A broadband dualpolarized planar printed dipole fed by a vertical. The dualpolarized antenna is simply excited by two pairs of coaxial feeds. Design of a broadband antenna element for lte base station. Broadband design of dual and circularly polarized antennas. A compact wideband dualpolarized antenna with enhanced upper outofband suppression is presented in this paper. Jan 17, 2019 therefore, it is challenging as well as of great significance to design a wideband dual. A broadband dualpolarized base station antenna with sturdy construction is presented in this letter. Wideband dual linear polarized microstrip patch antenna.
Broadband cp patch antenna with lshaped ground plane for 2. Broadband circular patch antenna with monopolar radiation. A broadband dual band printed antenna for wlan is designed in section 3. Design of broadband dualpolarized antenna with integrated. Pdf compact and wideband dualpolarized antenna with high. Compact wideband dualpolarized microstrip patch antenna. Two baluns are then introduced to excite the printed dipoles. 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. Recently, a linearly polarized lp eshaped patch antenna that exhibit a dualwide bandwidth was proposed in.
Impedance and axial ratio bandwidths exceeding 69% are achieved. This report examines the possibility of developing a broadband antenna element for base station antenna applications, which operates in the 17102690 mhz frequency band. It has been increasingly used in the last decade for dualwideband applications because of its design simplicity 1417. In, a wideband dual polarized patch antenna employing a broadband balun has been proposed.
Introduction bandwidth enhancement by multiple resonances is a widely used technique for microstrip patch antennas. Abstractin this letter, a dualpolarized patch antenna with low profile and wide. 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. The 180deg broadband balun delivers equal amplitude power division and consistent 180deg. A broadband dual polarized base station antenna with special designed feeding structures is investigated in this paper. In 810, wideband dual polarized printed dipole antennas were proposed. Wideband circularly polarized eshaped patch antenna for. A printed dual polarized antenna with a bandwidth of over 50% for base station is proposed in. Two such dipoles are cross arranged to realize a dualpolarized antenna. A compact wideband dualpolarized printed antenna with. 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. 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 broadband circularly polarized cp patch antenna fed by a planar balun with a pair of printed probes is presented in this letter. A novel broadband printed dipole antenna and its application. By employing a cross resonator, a new resonance is introduced. Broadband circular polarized antenna dual coupled feeds for 1. Traditional printed dipole antennas with an integrated balun have.
Wideband rectangular microstrip patch antenna using lprobe. Pdf wideband, lowprofile, dualpolarized slot antenna with an. The antenna is composed of a cross dipole, a folded ground, two feeding networks, and a reflector. 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. The proposed antenna introduces two layers of radiating patches to realize the dual frequency characteristic. Therefore, it is challenging as well as of great significance to design a wideband dual. The antenna supports a dual band operation with good performance in gps l1 and l5 frequency bands. Design of miniaturized dualband microstrip antenna for wlan. Recently, a dualpolarized patch antenna fed by a wide balun can realize wide working band, low crosspolarization, and high isolation performances. Basically, the structure could be seen as a patch antenna electromagnetically coupled to the lshaped capacitively loaded monopole. Kai chang recent days, antennas play an important role in wireless communication system. Metallic dual polarized antennas are presented in 8, 9, which achieve bandwidth of 65. The new circular asp antenna, which is fed by two orthogonal dual. Circular polarization wideband eshaped patch antenna for.
The results show that the lowestorder patch modes are broadband. Dualpolarized aperturecoupled wideband microstrip patch. Wideband, lowprofile, dualpolarized slot antenna with an. Design of compact dualpolarized printedcircuit antenna. The antenna is composed of a cross dipole, a folded ground, two feeding networks, and a. Broadband cp structure with an openloop coupled to the vertical stub embedded in the ground plane for cshaped monopole antenna is designed in 3. I think i like making antenna even more than using antenna. Index terms dualpolarized, microstrip patch antenna, high isolation, wideband. The center of the antenna is hollowed for additional antenna operating at higher frequency. The antenna is composed of two printed dipoles, two pairs of feeding coaxial lines and a ground. A broadband dual polarized printed antenna ruina lian, shaoshuai zhang, yingzeng yin, xueyan song, and hao zhang abstracta lowpro. Such compact wideband dual polarized patch antennas have been proposed in 3, 4. These antennas should have high isolation and low crosspolarization within their impedance bandwidth.
Abstractin this paper, a dual band antenna in orthogonal polarization with stacked configuration is proposed. The antenna consists of a square patch and four capacitively coupled feeds to enhance the impedance bandwidth. The feeding plates act as a wideband impedance matching device for the antenna plate, resulting in an antenna. The isolation between the two ports is above 28 db in the bandwidth, and the gain is 6. This study presents a singlefeed wideband circularly polarised cp monopole antenna backed with a cavity for the application in global navigation satellite systems gnsss. Baluns, hybrids and power dividers for ultra wideband antennas.
In this article, a lowprofile wideband dualpolarized planar printed dipole antenna, fed by coaxial lines, is investigated for the tdscdma operation. Research article a novel broadband printed dipole antenna and. Even though it achieves a wide impedance bandwidth, patch antenna produces a directional radiation pattern for application. Wideband circularly polarized patch antenna using broadband. A pair of novel 180 broadband microstrip baluns, printed on the backside of the bottom substrate, are utilized to feed the antenna. Design and characteristic mode analysis of a wideband high. Wideband dualpolarized patch antenna with broadband baluns abstract.
Dualpolarized cross bowtie dipole for 3g and lte applications. Broadband dualpolarized base station antenna for fifth. 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. Broadband omnidirectional dualpolarized antenna with high. For the sake of structural simplicity, low profile, and ease of mass production, printed dipoles are adopted as the dual polarized antenna.
The dualpolarized antenna has a vertically polarized element vp element and. 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. 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. A circular patch fed by a switch line balun with printed l. The impedance bandwidth was enhanced by utilizing the mutual coupling between the two dipoles. Compact duallinear polarized wideband antenna for vhfuhf band. Wideband circularly polarized patch antenna using broadband baluns article in ieee transactions on antennas and propagation 562. A thorough comparison to compare some of the recent work in wideband dual polarized patch antenna with the proposed one. 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.
A compact broadband dual polarized antenna array for base stations abstract. The proposed 90 broadband balun delivers good impedance matching. By overlapping three squared patches along their diagonals, the bandwidth can be significantly increased. Google analytics uses cookies, which are text files placed on your computer, to help the website analyze how users use the site. Ong, wideband dualpolarized patch antenna with broadband baluns. However, the antennas have narrow impedance bandwidth. Basic layout of the compact dualpolarized printedcircuit antenna.
An h shaped dual band microstrip patch antenna array for gps receivers has been proposed. In 810, wideband dualpolarized printed dipole antennas were proposed. With four capacitive coupled feeds, a dual polarized patch antenna is presented in. A high isolation and wideband dualpolarized microstrip patch antenna fed by hybrid ring feeding network has been proposed in this paper. Compact wideband dualpolarized microstrip patch antenna k. In this section, wideband dual polarized printed dipole antenna is developed based on the proposed printed dipole in section 2. Wideband circularly polarized patch antenna using broadband baluns abstract. 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. Wideband duallayer patch antenna fed by a modified lstrip. Wideband marchand balun and bowtie antenna for sensor. Wideband and multiband antennas are required to cover all or parts of these. The use of a novel 180o broadband balun 45%, and novel 90o broadband baluns. Yongxin guo, kahwee khoo, ling chuen ong a pair of novel 180deg broadband microstrip baluns are used to feed a dualpolarized patch antenna. The proposed planar dipole has a vertically printed feeding balun, easy to be.
The ar bandwidth of this kind of antenna is mainly determined. 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. Introduction dualpolarized antennas in modern communication systems have used for combating multipath and fading effects. Compact dual linear polarized wideband antenna for vhfuhf band olivier clauzier, franck colombel, mohamed himdi, patrick potier and cyrille le meins abstract. A pair of novel 180deg broadband microstrip baluns are used to feed a dualpolarized patch antenna. 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. A novel broadband printed dipole antenna and its application for. A compact wideband dualpolarized printed antenna with coaxial feeds for tdscdma application.
1151 521 546 1025 941 102 1386 479 303 1447 1222 284 1570 1214 926 247 1101 1479 217 1075 264 689 273 341 587 1148 104 1447 1545 501 159 837 150 886 1179 580 112 1278 769 1263 941 86 1296 205 396 1051 302