Figure - available via license: Creative Commons Attribution 3.0 Unported
Content may be subject to copyright.
Source publication
A transmission line model is used to design corporate-fed multilayered bow-tie antennas arrays; the simulated antennas arrays are designed to resonate at the frequencies 2.4 GHz, 5 GHz, and 8 GHz corresponding to RFID, WIFI, and radars applications. The contribution of this paper consists of modeling multilayer bow-tie antenna array fed through an...
Contexts in source publication
Context 1
... this section, other geometry is analyzed by using the method proposed in this paper. The antenna array consists of six bow-tie identical multilayer patches, as shown in Figure 14 and is designed to operate at 8 GHz frequency. The antenna array is to be designed on substrate which has a relative permittivity ε r of 2.54, a dielectric thickness h of 1.6 mm, and a loss tangent of about 0,019 and 0.05 mm conductor thickness. ...Context 2
... rectangular slot with L ap = 16 mm and width W ap = 2.6 mm is used for coupling the microstrip line of 10 mm length to the patch, etched on a substrate which has a relative permittivity ε r of 2.54, a dielectric thickness h of 1.6 mm, and a loss tangent of about 0,019 and 0.05 mm conductor thickness. Figure 14 presents the mask layout for multilayer bow-tie antenna array at the resonant frequency 8 GHz. ...Similar publications
Reducing tag size while maintaining good performance is one of the major challenges in radio-frequency identification applications (RFID), in particular when labeling metallic objects. In this contribution, a small size and low cost tag antenna for identifying metal objects in the European UHF band (865–868 MHz) is presented. The antenna consists o...
This paper has investigated a new way of
positioning system based on geometric grid covering
algorithm that uses passive RFID technology for
tracking objects inside buildings. This study involves
design of RFID reader antenna network which focuses
on placing reader antennas on a grid to cover all the
tags distributed at two dimensional planes and f...
![FIGURE 1. Festo Robotino Mobile Robotic Development Platform [26].](publication/365386267/figure/fig1/AS:11431281097291294@1668529652390/Festo-Robotino-Mobile-Robotic-Development-Platform-26_Q320.jpg)
This paper discusses the three-wheeled omnidirectional robot (TWOR) self-localization in radio frequency identification (RFID) tag environments. The nonlinear TWOR model is significantly improved by using geometric interpretation and incremental time representation in discrete time. The TWOR position and heading are self-estimated using distance me...
Radio Frequency Identification (RFID) becomes a prevalent labeling and localizing technique in the recent years. Deploying indoor RFID localization systems facilitates many applications. Previous approaches, however, are most based on 2D design and cannot provide 3D location information. The lack of one-dimensional information may lead 2D-based sys...
In this paper we present a possible solution for an RFID tag antenna to be used in bottle labels. To develop this solution we used a transmission line method in order to estimate the permittivity and the dissipation factor of the paper to be used as substrate and also the glass that is present in the bottles. Two prototypes were developed and test...
Citations
... The Bow-Tie antenna is one of the many varieties of micro strip patch antennas, and it is considered a good option for a number of wireless applications, including amateur radio applications. The fact that these applications have a resonant at several frequencies in the vicinity of 2.4GHz, 3.6GHz, 3.9GHz, and 4.9GHz makes them feasible [4,8,11,17,23]. ...
This article presents the construction and examination of a Bow-Tie antenna array on a FR4 substrate. The proposed antenna geometry was chosen as a hybrid structure known as a semi-circled horn-like bow-tie antenna, and an array of four antennas in a single row was built. The semicircle diameter and the feedline length of a single antenna are 41.66mm and 21.44mm respectively. CST Microwave Studio was used for design and simulation. The proposed antenna array was printed on a 1.6mm thick substrate with a length of 325.00mm, a width of 56.00mm and a dielectric constant (ℇr) of 4.4. According to the experimental results, the proposed antenna has a return loss of-20.12dB at S11, a VSWR of 1.2 at S11 and Maximum Gain of about 2.94dB. The antenna array was tested in the 2.4GHz to 2.5GHz frequency range. The proposed semi-circled bow-tie antenna array was compared to the rectangular bow-tie antenna array, and it was observed that the proposed antenna array has outperformed the rectangular bow-tie antenna array at 2.45GHz. As a result, the proposed antenna array is a suitable candidate for Mobile and Amateur Radio Applications.
... The application of the microstrip array antennas is ranging enormous and applicability can be correlated with various frequency bandwidths such the microstrip antennas are depicted in Wi-Fi communication, 5G Wireless Communication, 5G Mimo Application etc. which due to the enhanced performance is being researched and manufactured immensely [16,17,18,19]. It should be mentioned that somewhat unusual design such as bow tie or taper antennas can still provide an acceptable S11 parameter with a high gain despite the lack of geometrical symmetry and thus relying on the numerical solely on numerical techniques for simulating and understanding the design [20,21]. Therefore, one may infer that by rectifying the geometry, dielectric substrate and by different ways of feeding the microstrip antenna along with the comprehension of the mathematical relationships governing the design one may design the microstrip array antenna for the specified frequency bandwidth and by performing various ramifications with the low cost the manufacturing of the design can be achieved. ...
This paper depicts a microstrip array antenna suitable for the 5G applications comprised of four rectangular patches organized in a symmetrical structure. The microstrip quad array antenna is designed and simulated utilizing Sonnet Suites software. The proposed design is manufactured with implementing Rogers RO3006 dielectric substrate (ε_r = 6.5) due to the low tangent losses of the substrate. Moreover, the simulated and measured results display the successful fabrication and the design process. The input match (S_11) is slightly higher for the simulated design in comparison to the measured results with approximately − 18.63 and − 13.66 dB respectively. By Implementing the quad structure the gain is increased. The Simulated gain is approximately 13.55 dB whereas the measured gain is around 13.06 dB at the operating frequency of 5.53 GHz. Lastly, the design is inexpensive and the utilized geometry is somewhat simplistic alleviating simulation and manufacturing issues for the proposed design..
... It uses the familiar "Microsoft Windows graphical user interface integrating visualization, simulation, automation and solid modeling, in a userfriendly environment". The simulation dimensions of the bowtie antenna were obtained using the "tampered transmission line method algorithm" [15], [16] for a lower resonant frequency of 300 MHz. This frequency would ensure the antenna designed is not bulky. ...
A low-cost and light-weight ultra-wideband bowtie antenna for radar applications was simulated, fabricated and tested. A concise and easy to follow step-by-step description of the performed bowtie antenna simulation in Ansys HFSS software is presented. Optimized antenna parameters were utilized to fabricate the antenna. Fabrication was achieved by utilizing an FR4 PCB. The prototype was tested using a spectrum analyzer. The fabricated bowtie antenna results were used to validate the simulation results. The results obtained from the simulation platform were in close agreement to those of the prototype antenna. Results on effect of substrate thickness and frequency on S11 are also presented. The prototype produced improved overall S11 as compared to the simulation. The results indicate that the fabricated antenna satisfies bandwidth requirements for the UHF, L and S bands.
... [1]. developments in wireless communication system srequired additional challenges on circuit designers and microwave antenna to ceate new designs miniaturized and multiband [2], [3]. ...
... square element that appears at the edges of the antenna (radiating slots)[2]. Didouh et al. used a transmission line model to design corporate-fed multi-layered bow tie antenna arrays; the simulated antennas arrays were designed to resonate at the frequencies 2.4 GHz, 5GHz, and 8GHz corresponding to RFID, Wi-Fi, and radars applications[3]. Liu et al. presented a novel frequency reconfigurable bow tie antenna array for Bluetooth, worldwide interoperability for microwave access (WiMAX) and wireless local area network (WLAN) applications[4]. ...
A single-fed linearly polarized 2x2 microstrip bow tie array antenna is proposed. The feed network has microstrip line and slot line where microstrip-slot branch circuit is connected in parallel. The feed network of the array is designed using both-sided MIC Technology to overcome the impedance matching problem of conventional feed networks. The 2x2 half bow tie array antenna is also truncated with spur lines for optimization of antenna performance. The array antenna unit can be realized in very simple and compact structure, as all the antenna elements and the feeding circuit is arranged on a Teflon glass fiber substrate without requiring any external network. The design frequency of the proposed antenna is 5 to 8 GHz (C-Band) and the obtained peak gain is 12.41 dBi. The resultant axial ratio indicates that linear polarization is achieved.
... square element that appears at the edges of the antenna (radiating slots)[2]. Didouh et al. used a transmission line model to design corporate-fed multi-layered bow tie antenna arrays; the simulated antennas arrays were designed to resonate at the frequencies 2.4 GHz, 5GHz, and 8GHz corresponding to RFID, Wi-Fi, and radars applications[3]. Liu et al. presented a novel frequency reconfigurable bow tie antenna array for Bluetooth, worldwide interoperability for microwave access (WiMAX) and wireless local area network (WLAN) applications[4]. ...
span>A single-fed linearly polarized 2x2 microstrip bow tie array antenna is proposed. The feed network has microstrip line and slot line where microstrip-slot branch circuit is connected in parallel. The feed network of the array is designed using both-sided MIC Technology to overcome the impedance matching problem of conventional feed networks. The 2x2 half bow tie array antenna is also truncated with spur lines for optimization of antenna performance. The array antenna unit can be realized in very simple and compact structure, as all the antenna elements and the feeding circuit is arranged on a Teflon glass fiber substrate without requiring any external network. The design frequency of the proposed antenna is 5 to 8 GHz (CBand) and the obtained peak gain is 12.41 dBi. The resultant axial ratio indicates that linear polarization is achieved. </span
... The model used the resistance of a square element that appears at the edges of the antenna (radiating slots) [2]. Didouh et al. used a transmission line model to design corporate-fed multi-layered bow tie antenna arrays; the simulated antennas arrays were designed to resonate at the frequencies 2.4 GHz, 5GHz, and 8GHz corresponding to RFID, Wi-Fi, and radars applications [3]. Liu et al. presented a novel frequency reconfigurable bow tie antenna array for Bluetooth, worldwide interoperability for microwave access (WiMAX) and wireless local area network (WLAN) applications [4]. ...
A single-fed linearly polarized 2x2 microstrip bow tie array antenna is proposed. The feed network has microstrip line and slot line where microstrip-slot branch circuit is connected in parallel. The feed network of the array is designed using both-sided MIC Technology to overcome the impedance matching problem of conventional feed networks. The 2x2 half bow tie array antenna is also truncated with spur lines for optimization of antenna performance. The array antenna unit can be realized in very simple and compact structure, as all the antenna elements and the feeding circuit is arranged on a Teflon glass fiber substrate without requiring any external network. The design frequency of the proposed antenna is 5 to 8 GHz (C-Band) and the obtained peak gain is 12.41 dBi. The resultant axial ratio indicates that linear polarization is achieved. © 2018 Institute of Advanced Engineering and Science. All rights reserved.
... En répétant cette transformation N fois les performances sont les mêmes aux fréquences f0.τ N où f0 est la fréquence de référence et ont une période de répétition de log(τ) en fonction de log(f), d'où leur appellation. Leur principe est donc bien analogue aux antennes dites indépendantes de la fréquence[21][22][23][24][25][26].I.6. Méthodes de modélisation I.6.1. ...
La technologie Ultra Large Bande est utilisé dans plusieurs domaines et applications ce
qui nécessite des antennes adaptées. Ce mémoire étudie et analyse quelques antennes ULB
particulières appelées antennes de Hilbert. La modification des paramètres géométriques ainsi
que la technique alimentation, améliore l’adaptation, élargie la bande passante et réduit
l’encombrement. Grace à ces antennes on obtient un rayonnement optimal à cout limité.
L’objectif de ce travail de mémoire et de proposer des structures originales des antennes
ULB à base de cellules de type Hilbert pour les application sans fil.
Les résultats fournis par le logiciel CST Microwave Studio montre une très bonne
adaptation avec un fonctionnement Ultra Large Bande. Ces antennes peuvent donc répondre
aux normes appropriées selon les fréquences désirées.
... Configuration of bow-tie antenna fed by aperture coupled.(Didouh, Abri, & Bendimerad, 2012) ...
Energy harvesting technology has received a lot of attention at a time of great proliferation in the use of wireless devices. It has also become one of the most research topics in the world because of its importance in providing easy and free energy for important applications that are not easily accessible.
This thesis presents design of multi-Band RF energy harvesting system which consists of three main blocks connected together, rectenna (antenna, rectifier circuit) and matching circuit.
Microstrip Ultra-wideband star patch antenna was designed to harvest multi-band signals including 900MHz (GSM band) Global System for Mobile communication ,1800MHz (GSM band), UMTS (3G Band) Universal Mobile Telecommunications System and WiFi (Wireless Fidelity) frequencies bands. The designed antenna has good return loss performance. The design and optimizing of the performance of proposed antenna are performed by using Computer Simulation Technology software CST studio design and ANSYS HFSS 15 software. The antenna has been fabricated and tested and the measurements were in acceptable agreement with simulations but with some shift in frequency.
Next, rectifier circuits are proposed for RF to DC conversion and obtaining high voltage output. Rectifier circuits with four-stage voltage doubler using Schottky diodes were designed to convert the RF energy into a DC output. Many matching techniques were used in the design, the first design included T-Lumped element matching network used for single band and multi-band rectifiers by using Advanced Design System (ADS 2016) and Smith Ver3 software. On the second design Taper matching technique was used to match the complex input impedance of the rectifier circuit to the standard 50 Ω. The design of the rectifier circuits is performed by Advanced Design System (ADS 2016) software and the RF-DC conversion efficiency and output voltage were simulated and the max output voltage of rectifier at 0dBm was 5.8V. The circuit with tapered matching has been fabricated and tested.
... The major disadvantages of this type of antennas reside in their lower bandwidth, small gain, low power. The combination of several printed antennas in array can compensate these limitations and improve their performances [1][2][3][4][5]. They have the ability to focus the radiated power in a given direction with a higher gain. ...
This paper proposes an original application and for the first time a novel manufactured design of series fed Log-periodic microstrip antennas array LPA composed of seven bow-tie radiating elements functioning in the uplink C-band frequency from 6.12 to 6.58 GHz based on the bow-tie antenna equivalent model (BAEM). The model is used to optimize the antenna array in a record time and calculate the return loss with a sufficient precision. To prove the effectiveness of the suggested BAEM model, a comparison has been achieved between the CST Microwave studio software, Momentum of Agilent, BAEM model and measurements. The comparison of measured and simulated results shows good agreement. The measured results show that a bandwidth from 6.12 to 6.58 GHz is obtained. The obtained results show the effectiveness of this method to analyze such types of antennas.
