The antenna is designed for wideband wireless communications and radiofrequency identification rfid systems. A dualpolarized microstrip patch antenna fed by quasicrossshaped slot with the ports isolation higher than 35 db has been discussed in 18. A singlelayer wideband dual polarized antenna with high isolation ruina lian, shufeng zheng, yingzeng yin, jianjun wu, shaoshuai zhang, and guanxi zhang abstracta singlelayer wideband printed antenna for dual polarized applications is proposed in this paper. Design of a broadband antenna element for lte base station. Wideband circularly polarized patch antenna using broadband. In previous works, to enhance the bandwidth, a representative type of dualpolarized antennas is the stacked patch antenna in which one or more parasitic elements are placed above a lower patch 1,2. In this paper, a wideband dual band dual polarized antenna composed of shorted patch antennas and two planar dipoles was introduced. Wideband dual linear polarized microstrip patch antenna. Design of dual band dual polarized microstrip patch antennas. Highisolation dualpolarized microstrip antenna via.
Wideband dualpolarized patch antenna with low cross. Stuchly department of electrical and computer engineering university of victoria, victoria, b. Circular polarization wideband eshaped patch antenna for. As a noun broadband is telecommunications a wide band of electromagnetic frequencies. The strip feedline network is formed parallel feeding method. A dual circularly polarized microstrip antenna for radio frequency identification rfid reader application with wideband isolation is designed in 4. Compact duallinear polarized wideband antenna for vhfuhf band. Each feed is formed by a vertical isosceles trapezoidal patch and a horizontal isosceles triangular patch. Wideband rectangular microstrip patch antenna using l. Design of wideband circularly polarized capacitive fed. Basic geometry and basic characteristics of patch antennas 3. An unbalanced transmission line coaxial cable connected to a dipole. Wideband rectangular microstrip patch antenna using lprobe.
Design of broadband dualpolarized antenna with integrated marchand balun 119 wall surrounding the 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. Abstract a novel design method of a wideband dualpolarized antenna is presented by using shorted. A dualpolarized shorted microstrip patch antenna for wideband application kenny s. Design of wideband dualband dualpolarized dipole for base. Wideband duallayer patch antenna fed by a modified lstrip. 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. Four feed probes instead of the minimum of two feed probes needed for dual polarization are used to increase the wideband capability, suppress higherorder modes, and reduce crosspolarization levels. Basically, the structure could be seen as a patch antenna electromagnetically coupled to the lshaped capacitively loaded monopole. A singlelayer wideband dualpolarized antenna with high isolation ruina lian. Wideband duallinear polarized microstrip patch antenna. Wideband circularly polarized eshaped patch antenna for.
Design of miniaturized dualband microstrip antenna for wlan. The profile increases due to the structure of ushaped folded. Two orthogonal linear polarizations are achieved by adopting a hybrid feeding. 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. Dualpolarized cross bowtie dipole for 3g and lte applications.
A wideband highisolated dualpolarized patch antenna using. Index termsbaluns, dualpolarized antennas, microstrip. Abstract a novel dualpolarized patch antenna for ultrawideband uwb applications is presented. Abstractin this letter, a dualpolarized patch antenna with low profile and wide. A printed dipole antenna with integrated balun is presented. Wideband marchand balun and bowtie antenna for sensor. Kai chang recent days, antennas play an important role in wireless communication system. A dual polarized shorted microstrip patch antenna for wideband application kenny s. Ong, wideband dualpolarized patch antenna with broadband baluns. The antenna consists of a square patch and four capacitively coupled feeds to enhance the impedance bandwidth. It has been increasingly used in the last decade for dualwideband applications because of its design simplicity 1417. Antenna design the three essential parameters for the design of a rectangular microstrip patch antenna are. Compact wideband dualpolarized microstrip patch antenna.
Both the monopole and patch have its own resonances which, if properly combined, give rise to a broadband behavior. Broadband cp structure with an openloop coupled to the vertical stub embedded in the ground plane for cshaped monopole antenna is designed in 3. Wideband, lowprofile, dualpolarized slot antenna with an amc. Wideband dualpolarized patch antenna with low cross polarization and high. Pdf design of wideband circularly polarized capacitive fed. Introduction bandwidth enhancement by multiple resonances is a widely used technique for microstrip patch antennas.
The radiating structure is a twoelement dipole with resonances at 900 and 1700 mhz, with the balun providing one extra resonance at each band. Theres endless depth to it and it doesnt really require a ton of math or coding. Ultrawideband dualpolarized patch antenna with four. In order to realize a differential feed, the dualpolarized patch antenna is excited by two tapered baluns, thus achieving a high isolation.
Each feed is formed by a vertical isosceles trapezoidal patch and. Several improved broadband dualpolarized patch antenna elements have been. As an example, consider a coaxial cable connected to a halfwave dipole antenna shown in figure 1. Compact wideband dualpolarized microstrip patch antenna k. Lowprofile broadband dualpolarized integrated patch. Recently, a linearly polarized lp eshaped patch antenna that exhibit a dualwide bandwidth was proposed in. In this paper, a wideband dualband dualpolarized antenna composed of shorted patch antennas and two planar dipoles was introduced. Vhf wideband, dualpolarization microstrippatch antenna. Design of striplinefed dual polarization aperturecoupled stacked microstrip patch phased array antenna for wideband application. Jun 27, 2016 in section 2, the paper introduces the related principle and method of microstrip antenna design. Two symmetrical quasicircular arms and two symmetrical round holes are incorporated into the patch of a microstrip antenna to expand its bandwidth. Design of striplinefed dualpolarization aperturecoupled stacked microstrip patch phased array antenna for wideband application.
A new technique to achieve a circularly polarized probefed singlelayer microstrippatch antenna with a wideband axial ratio is proposed. The patch antenna is excited by a broadband feed network having a 10db return loss bandwidth of 86% and a consistent 90 3 phase difference between two output ports over a wideband of 76%. 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. 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. I think i like making antenna even more than using antenna. The isolations of these antennas are about than 34 db, and bandwidth achieves 20 %. A broadband dual band printed antenna for wlan is designed in section 3. The dualpolarized patch antenna has a thick air substrate for broad band operation 16% for both polarizations and is excited by microstrip lines through two hshaped coupling slots. On the use of slots in the design of patch antennas.
Dual wideband printed dipole antenna with integrated balun p. Jeon, design of wideband dualpolarized microstrip antennas, general assembly and scientific symposium, aug. The antenna is a modified form of the conventional eshaped patch, used to broaden the impedance bandwidth. A butterflyshaped wideband microstrip patch antenna for. Unfortunately, it is hard to design a balun suitable to cover all the. Wideband dual linearly polarized patch array antenna. Product title tsv wifi antenna, 2x 9dbi dual band omni directional. Design and analysis of wideband patch antenna for dual band 2. Ltd beijing, china 2 information engineering college, north china university of technology, beijing, china. A singlelayer wideband dualpolarized antenna with high. By using the duallayer patch configuration and modified lstrip feed technique, the impedance bandwidth of the patch antenna for vswr gpsbeidou applications shenzheng zuo1, luyao shi2,encheng wang2 1 beijing metstar radar co. Index terms balun, base station, dualpolarized antenna, shorted dipoles, wideband antenna. In 810, wideband dualpolarized printed dipole antennas were proposed.
This report examines the possibility of developing a broadband antenna element for base station antenna applications, which operates in the 17102690 mhz frequency band. Design of wideband dualband dualpolarized dipole for. A dualband circularly polarized microstrip patch antenna for. The cross metal dipole antenna is usually used to achieve the simple structure and the stable performance. 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. Design of broadband dual polarized antenna with integrated marchand balun 119 wall surrounding the antenna. Download kent academic repository university of kent. Design of broadband dualpolarized antenna with integrated. Dual wideband printed dipole antenna with integrated balun. Jeon, design of wideband dual polarized microstrip antennas, general assembly and scientific symposium, aug. Dualpolarized aperturecoupled wideband microstrip patch. Compact wideband dual polarized microstrip patch antenna k. A novel butterflyshaped patch antenna for wireless communication is introduced in this paper. An unbalanced transmission line coaxial cable connected to a dipole antenna.
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