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Journal articles on the topic 'Manufactured antenna'

Author: Grafiati

Published: 5 June 2025

Last updated: 1 August 2025

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1

Kusaykin, D. V., I. V. Grigoriev, D. V. Denisov, and P. A. Turalchuk. "Review of Luneburg Lens Antenna Designs Manufactured Using 3D Printing." Journal of the Russian Universities. Radioelectronics 27, no. 2 (2024): 6–36. http://dx.doi.org/10.32603/1993-8985-2024-27-2-6-36.

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Introduction. The interest in multibeam dielectric lens antenna arrays has been growing in recent years due to the development of millimeter-wave telecommunication and radar systems. Progress in the development of mobile communication systems based on adaptive beamforming technology is increasingly associated with multibeam systems based on lens antenna structures, providing an alternative to hard-to-implement and energy-consuming phased antenna arrays. In recent years, spherical and cylindrical Luneburg lens antennas implemented using additive manufacturing technology have attracted research

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Balcells-Ventura, J., J. Leiss, P. Uhlig, et al. "Substrate integrated MM-wave antenna utilizing metalized cavity walls." Additional Conferences (Device Packaging, HiTEC, HiTEN, and CICMT) 2015, CICMT (2015): 000164–71. http://dx.doi.org/10.4071/cicmt-wa22.

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This paper presents an aerosol-printed horn-shaped antenna on LTCC designed to operate in the 60 GHz frequency range. This design shows the potential of combining screen- and aerosol- printing to manufacture LTCC integrated antennas at mm-wave frequencies. The antenna not only shows good matching and radiation properties, but is also ideally suited for highly integrated RF-buildups. The aim of this paper is to present the manufactured demonstrator and its RF characterization.

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Bonefačić, Davor, and Juraj Bartolić. "Embroidered Textile Antennas: Influence of Moisture in Communication and Sensor Applications." Sensors 21, no. 12 (2021): 3988. http://dx.doi.org/10.3390/s21123988.

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Moisture causes detuning and increased losses in textile antennas, and it affects resonant and wideband textile antennas differently. In this work, we studied the effect of moisture on a resonant textile planar inverted-F antenna (PIFA) and a wideband textile monopole antenna. Both antennas were manufactured by embroidering conductive yarn in denim textile. The input reflection coefficient, antenna gain, and gain patterns were measured on both antennas for different moisture contents. The results show that wideband antennas are less affected by moisture in comparison with resonant antennas. Fo

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Li, Xuanjing, Rui Feng, Quilin Tan, et al. "Additively-Manufactured Broadband Metamaterial-Based Luneburg Lens for Flexible Beam Scanning." Materials 17, no. 12 (2024): 2847. http://dx.doi.org/10.3390/ma17122847.

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Multi-beam microwave antennas have attracted enormous attention owing to their wide range of applications in communication systems. Here, we propose a broadband metamaterial-based multi-beam Luneburg lens-antenna with low polarization sensitivity. The lens is constructed from additively manufactured spherical layers, where the effective permittivity of the constituting elements is obtained by adjusting the ratio of dielectric material to air. Flexible microstrip patch antennas operating at different frequencies are used as primary feeds illuminating the lens to validate the radiation features

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Rice, Allyanna, and Asimina Kiourti. "Additively Manufactured Three-Dimensional Microstrip Balun for Wearable Applications." Electronics 14, no. 3 (2025): 432. https://doi.org/10.3390/electronics14030432.

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We present a three-dimensional, additively manufactured microstrip balun design for the balanced feeding of wearable antennas. Extensive research has been performed regarding wearable antennas, but the balun design is often ignored. The balun may be omitted, a commercial off-the-shelf balun may be used, or a bulky microstrip balun may be implemented; however, these options are either incorrect or add a significant size to the antenna that is not acceptable for wearable applications. We propose a three-dimensional, conformal microstrip balun enabled by additive manufacturing (AM) technology, an

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Maria, Popy, Aprinal Adila Asril, Nasrul Nasrul, Sri Nita, and Afrizal Yuhanef. "Design and build multiple input multiple output (MIMO) wideband element microstrip antennas for WiFi access-point applications." Brilliance: Research of Artificial Intelligence 4, no. 1 (2024): 129–40. http://dx.doi.org/10.47709/brilliance.v4i1.3839.

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Technology in the telecommunications sector continues to develop. One of them is the Multiple Input Multiple Output (MIMO) antenna used in WIFI access oint application using MIMO technique in enhancement the need to transfer large amounts of data. In the design and manufacture of MIMO antennas for WIFI access applications point with dimensions of 110 mm x 112 mm using FR-4 substrate specifications with a thickness of 1.6 mm. The antenna consists of four ports and is at each corner The groundplane has four slots to achieve good isolation and produces good bandwidth. The antenna simulation produ

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Buzanov, R. A., S. A. Shirokikh, and K. V. Shishakov. "Development of Microstrip Decimeter Antennas with Circular Polarization." Vestnik IzhGTU imeni M.T. Kalashnikova 25, no. 3 (2022): 47–61. http://dx.doi.org/10.22213/2413-1172-2022-3-47-61.

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Modern design variants of microstrip antennas with circular polarization are considered, in which circular polarization is created using single-point and two-point power supply. To manufacture the studied antenna model with circular polarization, the simplest form of the antenna was chosen; the one with a radiator in the form of a continuous circle, which is powered by a two-point scheme. With regard to use in intra-object telemetry systems, the frequency of operation range of 640 ... 650 MHz was chosen. Two options for a two-point power supply of such an antenna were studied - with the help o

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Yordanov, Hristomir, and Peter Russer. "Integrated on-chip antennas for communication on and between monolithic integrated circuits." International Journal of Microwave and Wireless Technologies 1, no. 4 (2009): 309–14. http://dx.doi.org/10.1017/s1759078709990407.

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The rate of signal transmission on or between monolithic integrated circuits is limited by the cross-talk and the dispersion due to the wired interconnects. The bandwidth limitations can be overcome by wireless chip-to-chip and on-chip interconnects via integrated antennas. In this work the utilization of the electronic circuit ground planes as radiating elements for the integrated antennas has been proposed. This allows for optimal usage of chip area, as the antennas share the same metallization structure as the circuits. By exciting the interconnects between the patch areas in transmission l

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Li, Xueping, Jinjin Shao, and Yu Zhang. "Research on Resistor-Loaded Half-Ellipse Antenna System for GPR Application." International Journal of Antennas and Propagation 2016 (2016): 1–6. http://dx.doi.org/10.1155/2016/7917985.

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A resistor-loaded half-ellipse antenna system mounted on a vehicle as a candidate for the exploration of the lunar subsurface is investigated. The antenna system includes two identical half-ellipse antennas, one is used for transmission, and the other is for reception. A resistive loading technique for broadening the bandwidth and improving impulse radiation is introduced. The performance of the proposed antenna with different height above ground surface is studied, and the influence of the vehicle on the antenna is analyzed. Then the antenna is manufactured and mounted on a vehicle as some te

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Hammu-Mohamed, Bilal, Ángel Palomares-Caballero, Cleofás Segura-Gómez, Francisco G. Ruiz, and Pablo Padilla. "SIW Cavity-Backed Antenna Array Based on Double Slots for mmWave Communications." Applied Sciences 11, no. 11 (2021): 4824. http://dx.doi.org/10.3390/app11114824.

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This paper presents a cavity-backed antenna array in substrate integrated waveguide (SIW) technology in the millimeter-wave frequency band. The proposed antenna design uses double slots as radiating elements instead of conventional single slots. The double slots allow better control in the design of the operating frequency bands of the cavity-backed antenna. The performance of the cavity-backed antennas with single and double slots is compared to assess the enhanced behavior of the double slots. As a proof of concept, a 2 × 2 array of cavity-backed antennas is designed, manufactured, and measu

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Abbosh, Amin M. "Design of a CPW-Fed Band-Notched UWB Antenna Using a Feeder-Embedded Slotline Resonator." International Journal of Antennas and Propagation 2008 (2008): 1–5. http://dx.doi.org/10.1155/2008/564317.

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A complete design method for a compact uniplanar ultra-wideband antenna with subband rejection capability is presented. A slotline resonator is incorporated in the coplanar waveguide feeder of the antenna to act as a bandstop filter, hence enabling the rejection of any undesired band within the passband of the antenna. Two samples of the proposed antenna were designed and manufactured. One of the developed antennas does not contain a resonator, whereas the other contains a slotline resonator. The designed antennas feature a compact size of 27 mm×27 mm. Results of the simulation and measurement

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Sanchez-Montero, Lopez-Espi, Alen-Cordero, and Martinez-Rojas. "Bend and Moisture Effects on the Performance of a U-Shaped Slotted Wearable Antenna for Off-Body Communications in an Industrial Scientific Medical (ISM) 2.4 GHz Band." Sensors 19, no. 8 (2019): 1804. http://dx.doi.org/10.3390/s19081804.

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In recent years, the study and design of wearable antennas have been empowered given the success of Wireless Body Area Networks (WBAN) for healthcare and medical purposes. This work analyses a flexible textile antenna whose performance can be optimised by the careful selection of the substrate thickness of the textile material, and by varying the antenna’s geometrical shape. After considering these parameters, several arrangements of antennas were simulated using the Computer Simulation Technology software (CST). The results of the simulations were compared to the experimental prototypes manuf

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TAMAS, Razvan. "FREQUENCY-DOMAIN AND TIME-DOMAIN RESPONSE SHAPING FOR ULTRA-WIDE BAND ANTENNAS." Annals of the Academy of Romanian Scientists Series on Science and Technology of Information 17, no. 2 (2024): 5–21. https://doi.org/10.56082/annalsarsciinfo.2024.2.5.

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This paper presents a synthesis approach for ultra-wide band (UWB) antennas, based on a variable slope profile. When applying the proposed approach in the time domain, one can synthesize antenna structures for pulsed excitation, designed to yield a low distortion response at a given direction or within a given plane and for a given polarization. The method is validated by synthesizing ultra-wide band antennas designed for a particular waveform of excitation. The applicability of our method to frequency domain synthesis is demonstrated by designing an antenna with a quasi-linear gain variation

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Zhu, Chongwen. "Design of Three-Element Circular Polarization Antenna Array Based on Sequentially Rotated Feed Technique." Journal of Electronic Research and Application 8, no. 6 (2024): 26–33. https://doi.org/10.26689/jera.v8i6.8998.

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Circularly polarized antennas are used in communications between ground stations and satellites to achieve reliable communication links. The right-hand circular polarization and left-hand circular polarization are two types of circular polarization in satellite communications, they are used to support uplink and downlink communications. Circularly polarized antennas are used also in radar system for target detection, tracking and identification. The “three-element circularly polarized microstrip array antenna” is designed to produce left-handed circular polarization, make its size compact, mak

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Inclán-Sánchez, Luis. "Performance Evaluation of a Low-Cost Semitransparent 3D-Printed Mesh Patch Antenna for Urban Communication Applications." Electronics 13, no. 1 (2023): 153. http://dx.doi.org/10.3390/electronics13010153.

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This study explores the possibility of designing simple semitransparent antennas that allow for the passage of most visible light while maintaining good electromagnetic performance. We propose a substrateless metal mesh patch antenna manufactured using low-cost 3D printing and silver conductive paint. Our goal is to integrate numerous such radiators onto office building windows, preserving natural lighting with minimal visual impact, aiming to alleviate infrastructure congestion or improve antenna placement in sub-6 GHz frequency bands. In this paper, we conduct an analysis of the primary para

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Sârbu, Annamaria, and Ana-Maria Zaharia. "Practical Implementation of Reflectors for Wi-Fi Antennas." International conference KNOWLEDGE-BASED ORGANIZATION 28, no. 3 (2022): 86–92. http://dx.doi.org/10.2478/kbo-2022-0091.

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Abstract This article presents a practical approach towards the use of reflectors for Wi-Fi antennas. First, a custom Wi-Fi antenna was simulated in CST Studio software. Using simulation, we have analysed the effects of several types of reflectors on the antenna parameters. The most effective solution (antenna plus corner reflector) was manufactured and mounted on the specially designed ensemble. The designed ensemble enables automatic rotation of the reflector around the antenna. Simulation results were finally confronted with experimental measurements to validate the data. Our findings show

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Byers, Kyle J., and Christian Barr. "Metal Additive Manufactured Freeform Antenna." IEEE Antennas and Wireless Propagation Letters 17, no. 11 (2018): 2104–8. http://dx.doi.org/10.1109/lawp.2018.2866561.

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Bor, Jonathan, Benjamin Fuchs, Olivier Lafond, and Mohamed Himdi. "Design and characterization of a foam-based Mikaelian lens antennas in millimeter waves." International Journal of Microwave and Wireless Technologies 7, no. 6 (2014): 769–73. http://dx.doi.org/10.1017/s1759078714001019.

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The design principles and radiation performances of Mikaelian lens antennas are presented. The ways to manufacture gradient index lenses are briefly reviewed. An innovative technique based on the variation of the foam density is described and applied to the Mikaelian lenses. This yields low cost and lightweight gradient index lenses. The focusing properties of Mikaelian lenses are compared numerically to Luneburg lenses. A foam-based planar Mikaelian lens antenna is manufactured and its radiation performances are characterized at 60 GHz. With its flat shape in contact to the primary source, th

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19

Türker Tokan, Nurhan. "Optimization of the UWB Feed Antenna Position in Reflector Applications." International Journal of Antennas and Propagation 2014 (2014): 1–7. http://dx.doi.org/10.1155/2014/961818.

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In reflector system design, achieving high stability of phase center position with changes in frequency in reflector feed antennas is highly desired. However, obtaining highly stable phase center is not possible for UWB feed antennas, specially for planar ones. Thus, an optimum positioning for the UWB feed antenna should be defined. Optimization of the positioning of the feed antenna is essential since this process lowers resulting phase error losses significantly. In this work, a novel method for optimizing the UWB feed position of a prime focus reflector antenna from phase and amplitude reco

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Dastkhosh, Amir Reza, Hamidreza Dalili Oskouei, and Gholamreza Khademevatan. "Compact Low Weight High Gain Broadband Antenna by Polarization-Rotation Technique for X-Band Radar." International Journal of Antennas and Propagation 2014 (2014): 1–10. http://dx.doi.org/10.1155/2014/743046.

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Less efficiency and gain is achieved by existence of aperture blocking phenomena in cassegrain antenna caused by the presence of subreflector or antenna feed. Also, length of feed cables causes delay which is another undesirable problem in antennas, since errors and less precision of detecting targets are created. To overcome these problems, low weight and compact optimized polarization-rotation monopulse cassegrain antenna is designed in this paper. The goal of our proposed rotating antenna is achievement of sum and difference patterns for target tracking in monopulse radar. In our work, left

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Semenova, Olena, Andriy Semenov, Stefan Meulesteen, Natalia Kryvinska, and Hanna Pastushenko. "INTELLIGENT MATCHING TECHNIQUE FOR FLEXIBLE ANTENNAS." Informatyka, Automatyka, Pomiary w Gospodarce i Ochronie Środowiska 14, no. 4 (2024): 16–22. https://doi.org/10.35784/iapgos.6500.

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Flexible antennas have revolutionized the wireless communication as integral components of modern smart devices. Their unique properties are design flexibility, enhanced performance, and seamless implementation in smart devices. However, when designing antennas, multiple conflicting objectives often need to be considered simultaneously. Incorporating artificial neural networks into optimization strategies has shown promising results in antenna design problems. Neural networks can adapt to different and changeable requirements and constraints. That is why they are valuable tools for customizing

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Zichner, R., and R. R. Baumann. "Printed antennas: from theory to praxis, challenges and applications." Advances in Radio Science 11 (July 4, 2013): 271–76. http://dx.doi.org/10.5194/ars-11-271-2013.

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Abstract. Miniaturized, highly integrated wireless communication systems are used in many fields like logistics and mobile communications. Often multiple antenna structures are integrated in a single product. To achieve such a high level of integration the antenna structures are manufactured e.g. from flexible boards or via LDS (laser direct structuring) which allows the production of complex monopole or dipole antennas with three-dimensionally curved shapes. Main drawbacks are the sophisticated production process steps and their costs. The additive deposition of metallic inks or pastes by a p

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Ali, Hiba Abdel, Enrico Massoni, Lorenzo Silvestri, Maurizio Bozzi, Luca Perregrini, and Ali Gharsallah. "Increasing the bandwidth of cavity-backed SIW antennas by using stacked cavities." International Journal of Microwave and Wireless Technologies 10, no. 8 (2018): 942–47. http://dx.doi.org/10.1017/s1759078718000478.

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AbstractThis paper presents a technique to increase the bandwidth in substrate integrated waveguide (SIW) cavity-backed antennas, inspired by the design of cavity filters. The proposed structure consists of a slot antenna backed by two cavities, located one on top of the other and coupled through a slot. To demonstrate the bandwidth increase, a standard cavity-backed SIW antenna, with a rectangular slot etched in the top metal plane, has been designed, manufactured, and measured. Subsequently, a similar antenna was developed, by doubling the substrate thickness with the aim to improve the band

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Rastinasab, Vahid, Weidong Hu, Waseem Shahzad, and Syed Muzahir Abbas. "CubeSat-Based Observations of Lunar Ice Water Using a 183 GHz Horn Antenna: Design and Optimization." Applied Sciences 13, no. 16 (2023): 9364. http://dx.doi.org/10.3390/app13169364.

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Technological advancements have revolutionized the space industry, facilitating deep space exploration using CubeSats. One objective is to locate potential life-support elements, such as water, on extraterrestrial planets. Water possesses a distinct spectral signature at 183 GHz, useful in remote sensing and environmental monitoring applications. Detecting this signature provides crucial information about water and ice presence and distribution on celestial bodies, aiding future exploration and colonization efforts. Mostly in space remote sensing uses corrugated horn antennae due to high gain

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Eric, Ndanga Adamou, Eke Samuel, Matanga Jacques, Doka Yamigno Serge, Nicolas Corrao, and Tan Phu Vuong. "Design and Characterization of a Traveling-Wave Antenna for Millimeter Applications in the Sub-THz Band." International Journal of Antennas and Propagation 2023 (December 30, 2023): 1–11. http://dx.doi.org/10.1155/2023/5201018.

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The main challenge in manufacturing antennas in the sub-THz band is their small size, which requires adapted manufacturing tools. This paper proposes a uniform linear 3 × 1 traveling-wave antenna array (ULTWAA) for millimetre applications in the sub-THz band. The designed array allows a continuous beam orientation of ±46.1° in the E-plane. A small quarter-wave line added to the ends of the antenna allows the beam to be oriented towards the inside of the antenna, cancelling out surface waves and adapting the impedance to the scanning angle. Thanks to this device, the waves produced are progress

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Liu, Haipeng, Juan Liu, Jin Huang, et al. "A Wide-Band Low-Profile Antenna for a High-Integration Phased Array System." Sensors 24, no. 11 (2024): 3295. http://dx.doi.org/10.3390/s24113295.

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In this paper, a wide-band, low-profile antenna is presented for a high-integration phased array system. The proposed antenna, implemented using a tightly coupled array, operates over roughly the X-K frequency band and is performant at 8 GHz–18.5 GHz. The antenna can scan to ±60 degrees in both the E- and H-planes. Compared to previous tightly coupled antennas with smaller element spacing, the antenna in this paper reaches 9.4 mm, which corresponds to 0.58 λ of high frequency, suitable for engineering application conditions in production. The antenna can be soldered to BGA T/R chips in this sp

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Olejník, Robert, Stanislav Goňa, Petr Slobodian, Jiří Matyáš, Robert Moučka, and Romana Daňová. "Polyurethane-Carbon Nanotubes Composite Dual Band Antenna for Wearable Applications." Polymers 12, no. 11 (2020): 2759. http://dx.doi.org/10.3390/polym12112759.

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The design of a unipole and a dual band F-shaped antenna was conducted to find the best parameters of prepared antenna. Antenna radiator part is fully made of polymer and nonmetal base composite. Thermoplastic polyurethane (PU) was chosen as a matrix and multi-wall carbon nanotubes (MWCNT) as an electrical conductive filler, which creates conductive network. The use of the composite for the antenna has the advantage in simple preparation through dip coating technique. Minor disadvantage is the usage of solvent for composite preparation. Composite structure was used for radiator part of antenna

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Mantash, M., A. C. Tarot, S. Collardey, and K. Mahdjoubi. "Investigation of Flexible Textile Antennas and AMC Reflectors." International Journal of Antennas and Propagation 2012 (2012): 1–10. http://dx.doi.org/10.1155/2012/236505.

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In this paper, two different methods for fabric characterization are presented: a single frequency method and a broadband method. Felt and denim fabrics are characterized, and patch antennas are designed using these substrates to test both methods. Prototypes of the antennas on felt and denim are manufactured using conductive textile (called electrotextile) aiming to obtain fully flexible antennas. The prototypes are characterized in anechoic chamber to be compared and obtain conclusions related to the characterization methods. A new dual-band hexagonal AMC reflector combinable with antennas i

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Jocelyn Tanguy, TASONA DOKO, MATANGA Jacques, MALONG Yannick, and ESSIBEN DIKOUNDOU Jean-François. "DIMENSIONING OF FIXED FREQUENCY PATCH ANTENNAS BASED ON NEURAL NETWORKS." International Journal of Scientific Research and Management 10, no. 04 (2022): 862–70. http://dx.doi.org/10.18535/ijsrm/v10i4.ec09.

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During the last decades the race for innovation in communication systems has not ceased to evolve, which has led to important studies in the field of antennas, which today have very different forms depending on the applications such as: mobile telecommunications, television, radio, satellites, communicating systems, radar, remote sensing, radio astronomy [1]. Among the most used antenna families are the microstrip antennas (also called printed antennas or patch antennas) [2]. These antennas are characterized by: low manufacturing cost, mass production possible, linear and circular polarization

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Kang, Seonghun, and Chang Won Jung. "Wearable Fabric Reconfigurable Beam-Steering Antenna for On/Off-Body Communication System." International Journal of Antennas and Propagation 2015 (2015): 1–7. http://dx.doi.org/10.1155/2015/539843.

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This paper presents a comparison of on-body performances between omnidirectional (loop antenna) and reconfigurable beam-steering antennas. Both omnidirectional and reconfigurable antennas were manufactured on the same fabric substrate and operated at the frequency band of the WLAN 802.11a (5.725–5.85 GHz). The reconfigurable antenna was designed to steer the beam directions. In order to implement the beam-steering capability, the antenna used two PIN diodes. The maximum beam directions of three states (states 0, 1, and 2) were steerable in theYZ-plane (h=2°, 28°, and 326°, resp.). The measured

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Park, Jinwoo, Byunggil Yu, Euntae Jung, Ilhyun Park, Jongwoo Seo, and Jaesoo Jung. "A Study on Antenna of Low-Probability of Intercept for LOS Datalink System." Journal of the Korea Institute of Military Science and Technology 24, no. 5 (2021): 519–26. http://dx.doi.org/10.9766/kimst.2021.24.5.519.

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In this paper, an array antenna for LOS datalink for mounting UAV(Unmanned Aerial Vehicle) of low-probability of intercept is presented. For low RCS, radome was designed by conformal form, and other components were inserted into the UAV. The antenna of the transmitter and receiver are each composed of 12×12 array antennas, and include a beam steering function by controlling the phase of the unit element for the Uni-directional pattern and the Bi-directional pattern. As a result of the measurement of the manufactured antenna, it was confirmed that all the required specifications were met, and t

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Beigi, Payam, Yashar Zehforoosh, Mirhamed Rezvani, and Javad Nourinia. "Evaluation of a compact triangular crinkle-shaped multiband antenna with circular polarized for ITU band based on MADM method." Circuit World 45, no. 4 (2019): 292–99. http://dx.doi.org/10.1108/cw-04-2019-0040.

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Purpose This paper aims to present a new triangular crinkle-shaped multiband antenna for multiband operation. Design/methodology/approach This paper refers to increasing the number of resonance frequency by appending triangular crinkle. Experimental frequency results of the presented antenna are 1.60/2.80/4.00/5.80/7.12/8.32/10.06 GHz. Findings The triangular shaped antenna is manufactured on a low-priced FR-4 substrate with small size and tested. The reported antenna with full size 14 × 14 mm2 with a half elliptical ground sheet on the bottom plane of the substrate and a triangular crinkle st

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Encinar, Jose A., Rafael Florencio, Manuel Arrebola, et al. "Dual-polarization reflectarray in Ku-band based on two layers of dipole arrays for a transmit–receive satellite antenna with South American coverage." International Journal of Microwave and Wireless Technologies 10, no. 2 (2018): 149–59. http://dx.doi.org/10.1017/s1759078717001209.

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A 1.1-m reflectarray antenna has been designed, manufactured, and tested to fulfill the requirements of a satellite antenna in Ku-band that provides South-American coverage in Tx and Rx. The reflectarray cells consist of four dipoles for each polarization in two dielectric layers, selected because of their simplicity and high performance. The dipole dimensions are optimized in all the reflectarray cells to accomplish the prescribed radiation patterns, by iteratively calling an analysis routine based on method of moments in spectral domain and local periodicity. The measured radiation patterns

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Piroutiniya, Asrin, Mohamad Hosein Rasekhmanesh, José Luis Masa-Campos, et al. "Beam Steering 3D Printed Dielectric Lens Antennas for Millimeter-Wave and 5G Applications." Sensors 23, no. 15 (2023): 6961. http://dx.doi.org/10.3390/s23156961.

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Two types of cost-efficient antennas based on dielectric gradient index dielectric lens have been designed for 5G applications at 28 GHz. The first is a linearly polarized flat lens antenna (LP-FLA) for terrestrial 5G communications. The second is a novel circularly polarized stepped lens antenna (CP-SLA) for 5G satellite services. An efficient design method is presented to optimize and conform the lens topology to the radiation pattern coming from the antenna feeder. The LP-FLA is fed by a traditional linearly polarized pyramidal horn antenna (PHA). The CP-SLA is fed by an open-ended bow-tie

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Rico-Fernández, José, Álvaro F. Vaquero, Marcos R. Pino, and Manuel Arrebola. "Fully Metallic Additively Manufactured Monopulse Horn Array Antenna in Ka-Band." Applied Sciences 14, no. 23 (2024): 11065. http://dx.doi.org/10.3390/app142311065.

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The Laser Powder-Bed Fusion Additive Manufacturing (LPBF AM) technique is evaluated for the manufacturing of fully metallic monolithic microwave components. To validate the manufacturing technique, a difference pattern array of 4 × 4 horn antennas is designed to operate at mm-Wave frequencies. The antenna is based on H-plane power dividers and a complex structure to obtain a difference radiation pattern by rotating twisted sections in two different orientations. The prototype is manufactured with a monolithic piece of aluminum alloy AlSi10Mg, providing a lightweight single structure that inclu

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Sayem, Abu Sadat Md, Roy B. V. B. Simorangkir, Karu P. Esselle, et al. "Flexible and Transparent Circularly Polarized Patch Antenna for Reliable Unobtrusive Wearable Wireless Communications." Sensors 22, no. 3 (2022): 1276. http://dx.doi.org/10.3390/s22031276.

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This paper presents a circularly polarized flexible and transparent circular patch antenna suitable for body-worn wireless-communications. Circular polarization is highly beneficial in wearable wireless communications, where antennas, as a key component of the RF front-end, operate in dynamic environments, such as the human body. The demonstrated antenna is realized with highly flexible, robust and transparent conductive-fabric-polymer composite. The performance of the explored flexible-transparent antenna is also compared with its non-transparent counterpart manufactured with non-transparent

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Zhang, Zhi-Ya, Shuang Li, Shao-Li Zuo, Jia-Yue Zhao, Xiao-dong Yang, and Guang Fu. "Dual-Polarized Crossed Bowtie Dipole Array for Wireless Communication Applications." International Journal of Antennas and Propagation 2014 (2014): 1–8. http://dx.doi.org/10.1155/2014/349516.

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A dual-polarized array with downtilted radiation patterns is proposed for wireless communication applications. The proposed dual-polarized antenna element achieves an enhanced impedance bandwidth and compact dimensions by introducing a parasitic circular patch and vertical metal cylinders, which is a good candidate for radiating elements in base station antennas. By optimizing the amplitude and phase distribution along the feed, a radiation pattern with a downtilted angle is obtained. The dual-polarized array antenna achieves an impedance bandwidth for VSWR≤1.5, covering the frequency bands fo

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El Sayed Ahmad, Ahmad, Marc Thevenot, Jean-Marie Floc'h, and Mohamad Mantash. "High Gain Array of Monopoles-Coupled Antennas for Wireless Applications." International Journal of Antennas and Propagation 2012 (2012): 1–8. http://dx.doi.org/10.1155/2012/725745.

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An array of monopole antennas over a ground plane that radiates a directive lobe in the end-fire direction are described in this paper. The design uses the rigorous method described by Drouet et al. 2008 in order to synthesize the radiation through the strong cumulative coupling between the monopoles. A gain higher than 20 dB was achieved in the end-fire direction over a 4.5% bandwidth. However, the antenna has been tilted in order to compensate the beam deviation caused by the edge diffraction. A prototype with 12 elements has been manufactured in order to validate the antenna principle and t

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Polo-López, Lucas, Pablo Sanchez-Olivares, Eduardo García-Marín, et al. "Waveguide Manufacturing Technologies for Next-Generation Millimeter-Wave Antennas." Micromachines 12, no. 12 (2021): 1565. http://dx.doi.org/10.3390/mi12121565.

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Some recent waveguide-based antennas are presented in this paper, designed for the next generation of communication systems operating at the millimeter-wave band. The presented prototypes have been conceived to be manufactured using different state-of-the-art techniques, involving subtractive and additive approaches. All the designs have used the latest developments in the field of manufacturing to guarantee the required accuracy for operation at millimeter-wave frequencies, where tolerances are extremely tight. Different designs will be presented, including a monopulse antenna combining a com

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Lamagna, L., A. Paiella, S. Masi, L. Bottini, A. Boschetto, and F. Veniali. "Selective Laser Melting Process of Al–Based Pyramidal Horns for the W-Band: Fabrication and Testing." Journal of Infrared, Millimeter, and Terahertz Waves 42, no. 2 (2021): 154–72. http://dx.doi.org/10.1007/s10762-020-00759-2.

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AbstractIn the context of exploring the possibility of using Al-powder Selective Laser Melting to fabricate horn antennas for astronomical applications at millimeter wavelengths, we describe the design, the fabrication, the mechanical characterization, and the electromagnetic performance of additive manufactured horn antennas for the W-band. Our aim, in particular, is to evaluate the performance impact of two basic kinds of surface post-processing (manual grinding and sand-blasting) to deal with the well-known issue of high surface roughness in 3D printed devices. We performed comparative test

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Martínez-Lozano, Andrea, Carolina Blanco-Angulo, Héctor García-Martínez, et al. "UWB-Printed Rectangular-Based Monopole Antenna for Biological Tissue Analysis." Electronics 10, no. 3 (2021): 304. http://dx.doi.org/10.3390/electronics10030304.

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This paper presents the design of a printed step-type monopole antenna for biological tissue analysis and medical imaging applications in the microwave frequency range. The design starts from a very simple and widely known rectangular monopole antenna, and different modifications to the antenna geometry are made in order to increase the bandwidth. The antenna dimensions are optimized by means of a parametric analysis of each dimension using a 3-D electromagnetic simulator based on the finite element method. The optimized antenna, with final dimensions of 40 × 36 mm2, is manufactured onto a low

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Kamil, Ansam Qasim, and ِAli Khalid Jassim. "Design Ultra-Wideband Antenna have A Band Rejection Desired to Avoid Interference from Existing Bands." Bulletin of Electrical Engineering and Informatics 11, no. 2 (2022): 886–92. http://dx.doi.org/10.11591/eei.v11i2.3164.

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Ultra-wideband antenna with band notch for rejecting bands. Rectangular slots are introduced on an arborescent patch to get UWB, coverage from 3.1–10.6 GHz. The antenna structure is fancied on FR4 the substrate with a size of 24 mm×24 mm×1.6 mm, a band notch located at 4.7 GHz is generated by adding the rectangular slot on the patch this microstrip antenna is simulated by computer simulation technology, the simulated and manufactured results show the antenna for wireless communication,to reduce the problem of interference in bands in communication systems by using the current distribution tech

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Ansam, Qasim Kamil, and Khalid Jassim Ali. "Design ultra-wideband antenna have a band rejection desired to avoid interference from existing bands." Bulletin of Electrical Engineering and Informatics 11, no. 2 (2022): . 886~892. https://doi.org/10.11591/eei.v11i2.3164.

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Ultra-wideband antenna with band notch for rejecting bands. Rectangular slots are introduced on an arborescent patch to get UWB, coverage from 3.1–10.6 GHz. The antenna structure is fancied on FR4 the substrate with a size of 24 mm×24 mm×1.6 mm, a band notch located at 4.7 GHz is generated by adding the rectangular slot on the patch this microstrip antenna is simulated by computer simulation technology, the simulated and manufactured results show the antenna for wireless communication,to reduce the problem of interference in bands in communication systems by using the current

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dos Santos, Renan Alves, Gabriel Lobão da Silva Fré, Luís Gustavo da Silva, Marcelo Carneiro de Paiva, and Danilo Henrique Spadoti. "Ultra-Wideband Dielectric Lens Antennas for Beamsteering Systems." International Journal of Antennas and Propagation 2019 (August 6, 2019): 1–8. http://dx.doi.org/10.1155/2019/6732758.

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This paper presents a high-directivity ultra-wideband beamsteering antenna array. An innovative beamsteering system based on hemispherical dielectric lenses fed by a set of different printed antennas is proposed. Diversity of signals in different spatial positions can be radiated at the same time. A prototype was manufactured and characterized, operating in a bandwidth varying from 8 GHz to 12 GHz with gain up to 13 dBi.

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Artner, Gerald, Philipp K. Gentner, Johann Nicolics, and Christoph F. Mecklenbräuker. "Carbon Fiber Reinforced Polymer with Shredded Fibers: Quasi-Isotropic Material Properties and Antenna Performance." International Journal of Antennas and Propagation 2017 (2017): 1–11. http://dx.doi.org/10.1155/2017/6152651.

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A carbon fiber reinforced polymer (CFRP) laminate, with the top layer consisting of shredded fibers, is proposed and manufactured. The shredded fibers are aligned randomly on the surface to achieve a more isotropic conductivity, as is desired in antenna applications. Moreover, fiber shreds can be recycled from carbon fiber composites. Conductivity, permittivity, and permeability are obtained with the Nicolson-Ross-Weir method from material samples measured inside rectangular waveguides in the frequency range of 4 to 6 GHz. The decrease in material anisotropy results in negligible influence on

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Boubekeur, Khaled, Nicolas Zerounian, and Badr Eddine Ratni. "Compact Integrated On-Chip MIMO Antenna with Reconfigurability for mmWave Frequencies." Sensors 25, no. 4 (2025): 1062. https://doi.org/10.3390/s25041062.

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This paper presents a compact on-chip multiple-input multiple-output (MIMO) antenna designed for future communication systems, featuring frequency-agile elements. The antenna achieves enhanced decoupling and reduced cross-section through the integration of a metasurface, which also introduces frequency agility. Designed for the millimeter-wave band using low-loss BenzoCycloButene (BCB) polymer, the antenna is manufactured with microelectronic processes, and the dimensions are 7.54 × 7.54 × 0.055 mm3. Simulations and measurements demonstrate excellent frequency agility around 60 GHz, with gains

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Cupal, Miroslav, and Zbynek Raida. "Slot Antennas Integrated into 3D Knitted Fabrics: 5.8 GHz and 24 GHz ISM Bands." Sensors 22, no. 7 (2022): 2707. http://dx.doi.org/10.3390/s22072707.

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In the paper, a 3D knitted fabric is used for the design of a circularly polarized textile-integrated antenna. The role of the radiating element is played by a circular slot etched into the conductive top wall of a textile-integrated waveguide. Inside the circular slot, a cross slot rotated for about 45° is etched to excite the circular polarization. The polarization of the antenna can be changed by the rotation of the cross slot. The antenna has a patch-like radiation pattern, and the gain is about 5.3 dBi. The textile-integrated feeder of the antenna is manufactured by screen printing conduc

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Zhao, Fan, Luhong Mao, Weilian Guo, Sheng Xie, and Clarence Augustine T. H. Tee. "On-Chip Terahertz Detector Designed with Inset-Feed Rectangular Patch Antenna and Catadioptric Lens." Electronics 9, no. 6 (2020): 1049. http://dx.doi.org/10.3390/electronics9061049.

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This study proposes an on-chip terahertz (THz) detector designed with on-chip inset-feed rectangular patch antenna and catadioptric lens. The detector incorporates a dual antenna and dual NMOSFET structure. Radiation efficiency of the antenna reached 89.4% with 6.89 dB gain by optimizing the antenna inset-feed and micro-strip line sizes. Simulated impedance was 85.55 − j19.81 Ω, and the impedance of the antenna with the ZEONEX horn-like catadioptric lens was 117.03 − j20.28 Ω. Maximum analyzed gain of two on-chip antennas with catadioptric lens was 17.14 dB resonating at 267 GHz. Maximum exper

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Nandita Pradhan, Tushar,. "Dual-Band Millimeter-Wave MIMO Antennas For 5G Wireless Implementation." Journal of Electrical Systems 20, no. 3s (2024): 2241–47. http://dx.doi.org/10.52783/jes.1846.

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For 5G wireless applications, this exploration proposes a dual-band 28/38 GHz 4-component MIMO array depending on duplex-mode planar monopole antennas. Four planar monopole antennas are part of the layout framework, situated at the districts of a Rogers RO4003 substrate measuring 20 by 20 mm2 and with a dielectric constant of 3.55. The form of the suggested placoid monopole antenna is crescent-shaped. We created a notch at the bottom and inscribed two rectangular holes on each side to get the required behaviour and execution. For enhancement of isolation, we also employed a limited ground plan

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Teniou, Mounir, Helene Roussel, Mohammed Serhir, Nicolas Capet, Gerard-Pascal Piau, and Massimiliano Casaletti. "Tensorial metasurface antennas radiating polarized beams based on aperture field implementation." International Journal of Microwave and Wireless Technologies 10, no. 2 (2017): 161–68. http://dx.doi.org/10.1017/s1759078717001222.

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This paper presents a procedure for the design of tensorial metasurface antennas radiating polarized beams through aperture field synthesis. The aperture field is generated using the surface wave to leaky wave conversion resulting from metasurface modulation. The design procedure of the feeder is presented with a description of the geometrical parameters affecting the antenna matching. Numerical solutions for single beam and multi-beam metasurface antennas working respectively, at 12.25 and 20 GHz are presented. In addition, a metasurface prototype working at 12.25 GHz is manufactured and meas

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