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Journal articles on the topic 'Array of antennas'

Author: Grafiati

Published: 7 July 2024

Last updated: 31 July 2025

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1

Obiadi Ifeanyi F., Udofia Kufre M., and Udofia Kingsley M. "Comparative Analysis of Microstrip Antenna Arrays with Diverse Feeding Techniques." Journal of Engineering Research and Reports 26, no. 1 (2024): 18–38. http://dx.doi.org/10.9734/jerr/2024/v26i11060.

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A robust antenna design and analysis to fit the growing technology trend and give engineers and technicians options is crucial. This is especially true considering the recent rise in wireless smart devices. This paper compares microstrip antenna arrays fed in different ways. This work designed, simulated, and analyzed six antennas: two single-band rectangular microstrip antennas (RMSAs) with quarter wave (QWT) feed and the other with inset feed, one series-fed 1 x 4 RMSA array, two cooperate-fed (1 x 2 and 1 x 4) and a 2 x 2 cooperate-series-fed RMSA array at 2.4 GHz. Simulations showed that s

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2

Hirose, Kazuhide, Mitsuki Hirose, Shintaro Mita, Takumi Fujita, and Hisamatsu Nakano. "Advantages of Plate Antennas over Loop Antennas for Circular Polarization—Its Application in Array Antenna with a Simplified Feed." Electronics 13, no. 19 (2024): 3896. http://dx.doi.org/10.3390/electronics13193896.

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We analyze square antennas with one and quasi-two sources to reveal the relationship between loop and plate antennas. First, using the moment method, one-source antennas with corner truncation are investigated versus antenna height above the ground plane. As the height increases, the CP wave bandwidth of the plate antenna increases 17% for a 3 dB axial ratio criterion, whereas the loop antenna’s bandwidth remains less than 3%. Next, we study quasi-two-source antennas without corner truncation versus antenna height. The plate antenna’s bandwidth is found to reach 30%, which is wider than that o

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Kim, Ilkyu, and Eunhee Kim. "Quad-Band Uniformly Spaced Array Antenna Using Diverse Patch and Fractal Antennas." Applied Sciences 13, no. 6 (2023): 3675. http://dx.doi.org/10.3390/app13063675.

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Multi-band antennas have received significant interest because they can support multiple wireless communication services with a single antenna. However, an array antenna consisting of these element antennas can suffer from non-periodic arrangement due to the irregular sizes of the elements. In this paper, various shapes of patch antennas with fractal antennas are used to ensure the periodic arrangement of the array antenna, and antenna array incorporated with a feed network is proposed. Four different antenna arrays operating at 2.45/3.7/4.3/5.0 GHz are aggregated in an antenna with interleave

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Andropov, A., and S. Kuzmin. "Radiation Pattern Synthesis Method of Antenna Arrays with an Arbitrary Arrangement of Radiating Elements." Proceedings of Telecommunication Universities 8, no. 2 (2022): 15–28. http://dx.doi.org/10.31854/1813-324x-2022-8-2-15-28.

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As a result of the analysis of methods for synthesizing radiation patterns, in order to find the required amplitude-phase distribution in antenna arrays with an arbitrary arrangement of radiating elements, a technique based on the method of partial radiation patterns is proposed. The results of implementing the technique for a lowprofile combined ring concentric antenna array, a five-element antenna array based on asymmetric wave channel antennas, and a conformal antenna array consisting of arbitrarily located PIFA antennas are presented. The calculated amplitude-phase distributions and radiat

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Pratik, Tawde*1 Servesh Gupta2 Shrinivas Paivernekar3 &. Pranjali Shelke4. "SIMULATION OF MICROSTRIP ANTENNA PHASED ARRAY USING UNIFORM AND BINOMIAL DISTRIBUTIONS AND SCHELKUNOFF'S POLYNOMIAL BASED ARRAY BEAM SYNTHESIS METHOD USING MATLAB." GLOBAL JOURNAL OF ADVANCED ENGINEERING TECHNOLOGIES AND SCIENCES 5, no. 4 (2018): 10–14. https://doi.org/10.5281/zenodo.1238610.

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Antennas with given radiation pattern may be arranged in a pattern (line, circle, plane etc.) to yield a different radiation pattern. An antenna array is a configuration of multiple antennas (elements) arranged to achieve the given radiation pattern. These arrays are classified as linear array, circular array, planar array etc. based on placement or an arrangement of these multiple elements in a specific geometrical shape. There are multiple design issues of the antenna array are available in the form of different variables such as, shape of the array, element spacing between array elements, e

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Ramya, M., V. Parthipan, and M. Yogadeepan. "Certain Investigations on Edge Fed Microstrip Patch Array Antenna for WiMAX Applications." Asian Journal of Electrical Sciences 4, no. 1 (2015): 1–7. http://dx.doi.org/10.51983/ajes-2015.4.1.1937.

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Recently, a new wireless technology, i.e., Worldwide interoperability for Microwave Access (WiMAX), has been demonstrated to have its strong potential to provide a very high speed of broadband services. By simultaneously using multiple antennas at transmitter and receiver sites, these systems exploit the spatial dimension of the propagation channel. The development of such antennas includes the design of array antenna, optimizing the array antenna parameters and thereby increasing its performance. This paper mainly focuses on design of single microstrip patch antennae and linear array configur

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Hussain, Sajjad, Shi-Wei Qu, Abu Bakar Sharif, et al. "Current Sheet Antenna Array and 5G: Challenges, Recent Trends, Developments, and Future Directions." Sensors 22, no. 9 (2022): 3329. http://dx.doi.org/10.3390/s22093329.

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Designing an ultra-wideband array antenna for fifth generation (5G) is challenging for the antenna designing community because of the highly fragmented electromagnetic spectrum. To overcome bandwidth limitations, several millimeter-wave bands for 5G and beyond applications are considered; as a result, many antenna arrays have been proposed during the past decades. This paper aims to explore recent developments and techniques regarding a specific type of phased array antenna used in 5G applications, called current sheet array (CSA). CSA consists of capacitively coupled elements placed over a gr

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Said, Maizatul Alice Meor, Mohamad Harris Misran, Mohd Azlishah bin Othman, et al. "Innovation Design of High Gain Array Antenna for 5G Communication." International Journal of Emerging Technology and Advanced Engineering 13, no. 7 (2023): 11–20. http://dx.doi.org/10.46338/ijetae0723_02.

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The fifth-generation (5G) wireless communication system requires high gain antennas to support the growing demand for high-speed data transmission and low-latency connectivity. High gain antennas are crucial for enhancing the signal strength and extending the coverage area of 5G networks. By using multiple antenna elements, an array can achieve higher gain and directivity compared to a single element antenna. This improvement in gain enables better signal reception and transmission, leading to increased communication range, higher data rates, and improved reliability. In this paper, we discuss

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Zhou, Hao, Jiren Li, and Kun Wei. "A Novel Unit Classification Method for Fast and Accurate Calculation of Radiation Patterns." Electronics 12, no. 16 (2023): 3512. http://dx.doi.org/10.3390/electronics12163512.

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This paper proposes a novel unit classification technique to enhance the accuracy of the conventional pattern multiplication method by taking the mutual coupling effect and edge effect into consideration. The proposed technique classifies antenna elements into different groups based on their positions in arrays, specifically corner, edge, and inner groups. By simulating the radiation patterns of antenna elements with different boundary conditions, the pattern multiplication method is then used to calculate the radiation pattern of the antenna array based on the simulated results. Several numer

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Shevchenko, M. E., A. B. Gorovoy, V. M. Balashov, and S. N. Solovyov. "Features of application of ESPRIT method for different configurations of antenna arrays." Issues of radio electronics, no. 12 (February 3, 2021): 30–37. http://dx.doi.org/10.21778/2218-5453-2020-12-30-37.

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The paper discusses the features of the application of the ESPRIT method, which provides direction finding of a variety of radio sources with minimal computational costs, including in real time. To be able to use ESPRIT, antenna arrays are required that have the property of shift invariance, and for practical implementation, antenna arrays are required that allow you to form estimates of the directions of arrival of the largest number of signals that overlap in the spectrum, with a minimum number of antennas and reception channels. The aim of the work is to analyze the influence of the antenna

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Bagus, Bambang, Sukahir Sukahir, Ayub Wimatra, and Fatmawati Sabur. "ANALISA PENINGKATAN GAIN ANTENNA MENGGUNAKAN ARRAY FEEDING PADA FREKUENSI X BAND." Jurnal Penelitian 8, no. 1 (2023): 28–41. http://dx.doi.org/10.46491/jp.v8i1.1356.

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Microstrip antennas are antennas that are often applied because of their simple structure and easy to apply. The purpose of the experiment was to design and analyze the results of microstrip antennas in CST applications with a frequency of 10.5 GHz. Experiments used single patch antennas, 1 x 2 arrays using 2 patches and 1 x 4 antenna arrays using 4 antenna patches. Each series has different characteristics of return loss, gain, VSWR, and axial ratio. Based on these experiments, the results were obtained, namely the return loss of single patch, array 1x2 and array 1 x 4 respectively were -19 d

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Gupta, Parul, Leeladhar Malviya, and S. V. Charhate. "5G multi-element/port antenna design for wireless applications:a review." International Journal of Microwave and Wireless Technologies 11, no. 9 (2019): 918–38. http://dx.doi.org/10.1017/s1759078719000382.

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AbstractFifth generation (5G) is the current hot topic of the world's leading telecommunication companies. The compact designs of antennas made it possible for them to resonate at higher frequencies, thus to enable the devices to attain higher data rate as compared to 4G technology. Data rate of 5G technology for low mobility users is expected to be 50.0 Gbps and for high mobility users it is 5.0 Gbps. On the other hand, International telecommunication union's objective for 5G is 3 times more spectrally efficient thanlong-term evolution (LTE). The paper has carried out meticulous study over th

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Zhu, Junli, Mengfei Chen, Ziting Li, and Jingping Liu. "A Compact Planar Ultra-Wideband Array Antenna." International Journal of Antennas and Propagation 2023 (October 10, 2023): 1–10. http://dx.doi.org/10.1155/2023/1339236.

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Ultra-wideband (UWB) antennas have recently gained prominence in communication, radar technology, and electronic warfare domains. The quick development of these antennas is due to the wide bandwidth requirements of pulse radar, ground penetrating radar, electromagnetic compatibility, spaceborne communication systems, stealth target detection, and more. Aiming to address the defects of existing UWB antennas, which often have narrow bandwidth and low gain, a planar ultra-wideband microstrip array antenna was designed to achieve good ultra-wideband characteristics and effectively improve the gain

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Abraham, Jacob, and Kannadhasan Suriyan. "Analysis of Tripleband Single Layer Proximity Fed 2x2 Microstrip Patch Array Antenna." International journal of electrical and computer engineering systems 13, no. 7 (2022): 493–99. http://dx.doi.org/10.32985/ijeces.13.7.1.

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Microstrip patch antennas that are multiband and downsized are required to suit the high demand of modern wireless applications. To meet this need, a one-of-a-kind triple band array antenna has been proposed. The proposed 2x2 microstrip patch array, which comprises of four hexagon-shaped radiating patches are electromagnetically excited by a centrally positioned microstrip feed line in the same plane along with a slotted ground plane, is investigated. CST Microwave Studio, a powerful 3D electromagnetic analysis programme, was used to design and optimize the array antennas. The 2x2 array antenn

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Sai Geethika, Sunkavalli, Etyala Kethan, Pilli Rishika, and Machunoori Mounica. "Design of Microstrip Rectangular 8x1 Patch Array Antenna for WiMAX Application." E3S Web of Conferences 391 (2023): 01100. http://dx.doi.org/10.1051/e3sconf/202339101100.

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In our daily lives, wireless communications are becoming increasingly significant. The antennas needed for these applications should be light weight, conveniently mountable, and have a broad bandwidth due to the rise in data rates and a tendency of tiny electronic devices for wireless digital applications. These requirements can be met by Microstrip Array Antennas. In this paper, the rectangular microstrip patch array antenna of frequency 2.5-3.5Ghz for WIMAX applications is designed in computer stimulation tool (CST). The antenna is fabricated using FR-4 Substrate material. The designed anten

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Yu, Guicai. "Algorithm to Estimate Direction of Arrival with Interpolated Array Elements for Coprime Array Holes." Mathematical Problems in Engineering 2020 (August 31, 2020): 1–7. http://dx.doi.org/10.1155/2020/1429628.

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A novel method for adding antennas in the coprime arrays is introduced in this study, in order to solve the problem of the reduced degree of freedom of the array in the hole-existing coprime arrays. The minimum number of antennas interpolated in the algorithm maximizes the available degrees of freedom of virtual arrays, and the number of interpolated antennas does not change the original aperture size of the coprime arrays. With the proposed algorithm, the estimate of the direction of arrival is more accurate for a given signal-to-noise ratio. The scheme first finds the regular pattern of hole

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Wang, Shiyu, Gaoqi Dou, and Guangming Song. "Minitype Arrays of Acoustically Actuated Magnetoelectric Antennas for Magnetic Induction Communication." Actuators 13, no. 8 (2024): 276. http://dx.doi.org/10.3390/act13080276.

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The magnetoelectric (ME) antennas rely on the mechanical movement of magnetic dipoles, making it possible to break the constraints on physical dimensions decided by the wavelength of the electromagnetic wavelength. The ME antennas achieve super-low frequency (SLF) communications with a smaller size to provide a novel solution for long-range, underwater, and underground communications; navigation over the horizon; and geological exploring. As a result, further theoretical research and optimization of ME antennas have been an open challenge for decades. Here, we report on minitype arrays of acou

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Das, Debprosad, Md. Farhad Hossain, Md. Azad Hossain, Muhammad Asad Rahman, Md. Motahar Hossain, and Md Hossam-E-Haider. "Phase delay through slot-line beam switching microstrip patch array antenna design for sub-6 GHz 5G band applications." International Journal of Electrical and Computer Engineering (IJECE) 14, no. 2 (2024): 1625–33. https://doi.org/10.11591/ijece.v14i2.pp1625 -1633.

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Two, four, eight, and sixteen-element patch array antennas for beam switching are presented in this study. For a 1×2 array, an aperture-coupled feeding mechanism is used to feed patches while a slot line on the ground plane provides the phase delay between antenna elements. The 1×2 array is used to create the 2×2, 4×2, and 8×2 arrays, and an equal power divider provides the signal for each. For applications in the 5G sub-6 GHz frequency spectrum, the antennas are modeled. With -37.14 dB, -17.85 dB, -21.51 dB, and -26.03 dB return loss for two, four, eight, and six

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Prasanth Kumar, J., B. Raghavaiah, P. Dhanush, Ch Anil, Ch Uday Kiran, and P. Vipul. "Design of Circular Patch Array Antennas for WLAN, Wi-Fi & Bluetooth Applications." Journal on Electronic and Automation Engineering 3, no. 3 (2024): 1–9. http://dx.doi.org/10.46632/jeae/3/3/1.

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The study is a pioneering initiative in the field of antenna engineering, concentrating on the replacement of rectangular patch antennas with circular patch antennas in 2.4GHz applications. Through a detailed assessment of three various configurations—1x1, 2x1, and 4x1—the study used the HFSS tool to facilitate simulations, allowing a full evaluation of each antenna's performance parameters. These characteristics include critical metrics like gain, directivity, and radiation pattern, which are important in determining antenna efficacy in wireless communication systems. By rigorously comparing

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Giannakopoulos, Georgios, and Khushbu Mehboob Shaikh. "Phased Array Antennas for 5G and Beyond: Innovations and Implementation." Journal of Cognitive Computing and Cybernetic Innovations(JCCCI) 1, no. 1 (2025): 42–49. https://doi.org/10.21276/jccci/2025.v1.i1.8.

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Phased array antennas provide the ability to electronically steer a beam, eliminating the need for mechanical adjustments [1]. While traditionally used in military applications, there is growing interest in their adoption across various fields [1], [2]. Conformal antennas, a type of phased array, are designed for installation on curved or non-flat surfaces, enabling focused radio wave radiation [1], [2]. These antennas can be integrated into various applications, including aerospace, wearable technology, vehicles, and modern mobile devices [2], while also reducing traditional antenna height to

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Norfishah, Ab Wahab, Nor Syafizan W. Muhamad W., Ismail Khan Zuhani, and Seroja Sarnin Suzi. "Microstrip array antenna with inset-fed for WLAN application." Indonesian Journal of Electrical Engineering and Computer Science (IJEECS) 17, no. 1 (2020): 340–46. https://doi.org/10.11591/ijeecs.v17.i1.pp340-346.

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This paper proposed three designs of microstrip array patch antennas, to resonate at 2.4 GHz. The purpose of the study is to achieve size reduction with acceptable performance for wireless communication system applications. Based on the array concept, the array antennas are arranged using corporate network technique. It is found that the simulated 4x3 patch array antenna achieved the compact size with dimension reduced up to 26% compared to 4x1 and 4x2 array patch antennas. In terms of return loss, the antenna attenuated more than 19 dB. The 4x3 patch array antenna is fabricated and measured u

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Shookooh, Besharat Rezaei, Alireza Monajati, and Hamid Khodabakhshi. "Theory, Design, and Implementation of a New Family of Ultra-Wideband Metamaterial Microstrip Array Antennas Based on Fractal and Fibonacci Geometric Patterns." Journal of Electromagnetic Engineering and Science 20, no. 1 (2020): 53–63. http://dx.doi.org/10.26866/jees.2020.20.1.53.

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The theory and design of a new family of ultra-wideband (UWB) metamaterial (MTM) microstrip array antennas based on fractal and Fibonacci geometric patterns are investigated. First, the UWB microstrip array antenna is presented with two radiating MTM elements. Then, using fractal and Fibonacci geometric patterns, the array antenna is expanded. Improvements in the antenna parameters is achieved by repeating the second and third iterations of the fractal and Fibonacci patterns. As the order of iteration of the fractal and Fibonacci geometric patterns increases, the impedance bandwidth of the MTM

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Arun, M., and M. R. Ebenezar Jebarani. "Design of Pattern Synthesis of Nonuniform Amplitude Microstrip Patch Antenna Array." Journal of Nanoelectronics and Optoelectronics 19, no. 12 (2024): 1316–25. https://doi.org/10.1166/jno.2024.3697.

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To address long-distance communication needs, it is sometimes necessary to construct Microstrip Patch antennas with notably directional properties (relatively high gains). Increasing the antenna’s electrical size will achieve this goal. It is possible to increase the antenna’s overall dimensions without increasing the size of its parts by arranging the radiating elements in a specific electrical and geometrical arrangement. The new antenna comprises many pieces and is called an array. The items in an array are usually the same. Vector addition of the fields emitted by the individual elements g

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Nur, Ilham Aliyaa Ishak, Seman Norhudah, and Asmawati Samsuri Noor. "Specific Absorption Rate Assessment of Multiple Microstrip Patch Antenna Array." TELKOMNIKA Telecommunication, Computing, Electronics and Control 16, no. 4 (2018): 1500–1507. https://doi.org/10.12928/TELKOMNIKA.v16i4.9041.

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Interaction between electromagnetic field (EMF) radiated from multiple antennas and human body is crucial to be explored as multiple antennas are the essential implemented devices to achieve the requirements of the future evolved fifth generation (5G) technology. Thus, this article presents a significant study of the radiated EMF effect from a single, and multiple antennas towards human through the assessment of specific absorption rate (SAR). The single antenna, 1 x 2, 1 x 3 and 1 x 4 arrays of microstrip patch antennas are designed to cover mobile operating frequencies of 0.8, 0.85, 0.9, 1.8

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Đặng Thị Từ, Mỹ. "Design of Zeroth-order resonance antenna array with a pair of DPS and ENG materials." Journal of Science and Technology Issue on Information and Communications Technology 12, no. 133 (2018): 10. http://dx.doi.org/10.31130/b2018-140.

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This paper proposes one-dimensional antenna arrays of the four-element and the eight-element using composite materials. Firstly, the single element is designed to resonate at Zeroth-order using a pair of Double positive (DPS) and Epsilon negative (ENG) materials meta-structured transmission line (MTL). Secondly, three of 1:2 T-Junction power dividers and seven of 1:2 T-Junction power dividers based on micro-strip technology are designed for feeding the four-element and the eight-element array antennas, respectively. Finally, the proposed arrays are optimized using FEM-based simulation to opera

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Potgieter, L., J. Joubert, and J. W. Odendaal. "Design of center-fed printed planar slot arrays." International Journal of Microwave and Wireless Technologies 9, no. 2 (2015): 453–61. http://dx.doi.org/10.1017/s1759078715001701.

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A design approach for printed planar slot array antennas is presented. The antenna array consists of half-wavelength slot radiators positioned on a rectangular grid, and a slotline feed network. Three planar slot array antennas for use in IEEE 802.11a applications are designed, a 2 × 2, a 2 × 4, and a 4 × 2 array, all radiating above an electric conductor ground plane placed a quarter-wavelength below the printed slots. These slot arrays have higher aperture efficiencies and occupy less space than typical microstrip patch arrays. The measured impedance bandwidths of the designed unidirectional

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Ab Wahab, Norfishah, W. Nor Syafizan W. Muhamad, Zuhani Ismail Khan, and Suzi Seroja Sarnin. "Microstrip array antenna with inset-fed for WLAN application." Indonesian Journal of Electrical Engineering and Computer Science 17, no. 1 (2020): 340. http://dx.doi.org/10.11591/ijeecs.v17.i1.pp340-346.

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<p>This paper proposed three designs of microstrip array patch antennas, to resonate at 2.4 GHz. The purpose of the study is to achieve size reduction with acceptable performance for wireless communication system applications. Based on the array concept, the array antennas are arranged using corporate network technique. It is found that the simulated 4x3 patch array antenna achieved the compact size with dimension reduced up to 26% compared to 4x1 and 4x2 array patch antennas. In terms of return loss, the antenna attenuated more than 19 dB. The 4x3 patch array antenna is fabricated and m

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C. Okoye, Arinze, Michael C. Ndinechi, and Christian C. Mbaocha. "Investigating the Impact of Diverging Spacing Factors on Array Antennas." International Journal of Research and Review 10, no. 11 (2023): 160–64. http://dx.doi.org/10.52403/ijrr.20231119.

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This paper analyzed the antenna patterns for dipole array antennas of diverging spacing factor. In order to minimize the complexity of the task required in the computation, we assumed a negligible width for the dipole elements. Thus, the current flowing through the wire is assumedly constant. The Array Factor for dipole array antennas of diverging spacing factor was derived via Magnetic Vector Potential model. The required radiation patterns for the antennas were generated using the MatLab simulation tools. The generated results showed a trade-off between directivity and power loss as expected

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Mathew, Jestin John, Nitish HS, Dr Jayavrinda V. V, and Dr Raghunandan S. "Implementation of Beam Steering using Phased Array Antennas." International Journal of Innovative Science and Research Technology 5, no. 6 (2020): 1006–8. http://dx.doi.org/10.38124/ijisrt20jun716.

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Beam steering is a phenomenon of varying the direction of the main lobe in the radiation pattern, so in radar systems it can be achieved by changing the relative phases of the antenna being implemented.But,some of the setbacks of implementing beam steering in mechanical antennas like microstrip antenna is that the directivity and, gain is low,and interference is very high.Whereas,in our project we have implemented beam steering using phased array antennas which has produced better results.So,an phased array antenna is electronically scanned antenna ,which produces a beam of radio waves that ca

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Viet. "A DESIGN SOLUTION FOR COMPACT SLOTTED WAVEGUIDE ARRAY ANTENNAS BASED ON SIW TECHNOLOGY." Journal of Military Science and Technology, no. 72A (May 10, 2021): 22–29. http://dx.doi.org/10.54939/1859-1043.j.mst.72a.2021.22-29.

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Slotted waveguide array antenna is a crucial structure in microwave frequency antennas with many applications in radar and communications systems. Previously, slotted waveguide array antenna systems mainly used metal materials. The study of slotted array antenna based on the waveguided with SIW (Substrate Integrated Waveguide) technology is a novel approach. The paper presents the results of researching, designing, and manufacturing waveguide slot array antenna with low SLL using SIW technology in X-band. The results will be an essential basis for selecting a design solution for slotted wavegu

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Khan, Anindita, and Jibendu Roy. "Design of thinned smart antenna of semi-circular dipole array for 5G massive MIMO system." Facta universitatis - series: Electronics and Energetics 37, no. 3 (2024): 409–22. https://doi.org/10.2298/fuee2403409k.

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In a multi-user environment, wireless networks should be massive MIMO (MMIMO) systems consisting of multiple antennas. MMIMO installs antenna arrays at base stations and uses hundreds of transceivers and other RF modules to form a very narrow and focused beam, thus reducing interference. The disadvantage of MMIMO systems is large power consumption, and the RF module beamforming network for multiple antennas is significant in terms of power consumption. This paper presents a new low power beamforming technique for MMIMO systems. The proposed semicircular array thinned smart antenna (TSA) can fo

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Zhou, Li, and Ming Hou. "Research and Analysis about Array Antennas in Mobile Communications." Advanced Materials Research 760-762 (September 2013): 628–33. http://dx.doi.org/10.4028/www.scientific.net/amr.760-762.628.

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Because the direction of a single antenna is limited, and for strengthening the direct radiant ability of the antenna, we will put the weaker direction antennas together in some way to constitute an antenna array system. The antenna array is also called the array antenna or a disperse antenna array. The antenna cell can be the symmetry center-fed dipole, the aperture antenna, the circle antenna or other forms of the antennas whose direction are limited. In practice, the antenna array is almost constituted of similar antenna cells. I have mainly completed the antenna array direction diagram in

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Ji, Changpeng, Xin Ning, and Wei Dai. "Design of Shared-Aperture Base Station Antenna with a Conformal Radiation Pattern." Electronics 14, no. 2 (2025): 225. https://doi.org/10.3390/electronics14020225.

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Aiming at solving the problem of radiation pattern distortion caused by coupling between antennas in different frequency bands in traditional shared-aperture base station array antennas, a new shared-aperture array antenna integrating high-frequency filtering units and medium-frequency electromagnetic transparent antenna units is proposed. Without adding additional decoupling structures, it is possible to effectively reduce the coupling of different frequencies, while weakening common-mode and scattering interferences, making the radiation pattern conformal. The array consists of an electromag

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Chen, Zhikun, Tao Li, Dongliang Peng, and Kang Du. "Two-Dimensional Beampattern Synthesis for Polarized Smart Antenna Array and Its Sparse Array Optimization." International Journal of Antennas and Propagation 2020 (June 13, 2020): 1–13. http://dx.doi.org/10.1155/2020/2196049.

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Polarized smart antenna array has attracted considerable interest due to its capacity of matched reception or interference suppression for active sensing systems. Existing literature does not take full advantage of the combination of polarization isolation and smart antennas and only focuses on uniform linear array (ULA). In this paper, an innovative synthesis two-dimensional beampattern method with a null that has cross-polarization for polarized planar arrays is proposed in the first stage. This method aims to further enhance the capability of interference suppression whose optimization prob

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Das, Debprosad, Md Farhad Hossain, Md Azad Hossain, Muhammad Asad Rahman, Md Motahar Hossain, and Md Hossam-E-Haider. "Phase delay through slot-line beam switching microstrip patch array antenna design for sub-6 GHz 5G band applications." International Journal of Electrical and Computer Engineering (IJECE) 14, no. 2 (2024): 1625. http://dx.doi.org/10.11591/ijece.v14i2.pp1625-1633.

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Two, four, eight, and sixteen-element patch array antennas for beam switching are presented in this study. For a 1×2 array, an aperture-coupled feeding mechanism is used to feed patches while a slot line on the ground plane provides the phase delay between antenna elements. The 1×2 array is used to create the 2×2, 4×2, and 8×2 arrays, and an equal power divider provides the signal for each. For applications in the 5G sub-6 GHz frequency spectrum, the antennas are modeled. With -37.14 dB, -17.85 dB, -21.51 dB, and -26.03 dB return loss for two, four, eight, and sixteen-element array antennas re

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Lan, Zhe-Peng, Rui Zhang, and Bao-Hua Sun. "A Novel Wave-transparent and Decoupling Antenna in Broadband Dual-Polarized Dual-Band Shared-Aperture Array." Journal of Physics: Conference Series 2525, no. 1 (2023): 012019. http://dx.doi.org/10.1088/1742-6596/2525/1/012019.

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Abstract This letter proposes a novel wave-transparent and decoupling antenna in broadband dual-Polarized dual-Band shared-aperture array. It is implemented by kneading the double-arrow-stripe-shaped decoupling structure into the frequency-selective metasurface structure of the lower-frequency-band (LFB) antenna arms. The LFB antenna radiator can be considered as frequency-selective and array-decoupling metasurface for the higher-frequency-band (HFB) antennas placed below. The antenna system consists of 2 × 2 HFB (3.3-3.6 GHz)arrays and an LFB (1.65-2.58 GHz) antenna with wave-transparent and

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Ghorbani, Mehdi, and Habib Ghorbaninejad. "A Novel Ultrawideband Gear-Shaped Dielectric Ring Resonator Antenna." Mathematical Problems in Engineering 2021 (July 12, 2021): 1–8. http://dx.doi.org/10.1155/2021/8069873.

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In this study, a novel ultrawideband (UWB) dielectric ring resonator (DRR) antenna has been proposed. DRR antennas include a single monopole antenna in the center of a ground plane and a dielectric with a symmetric structure around the monopole. This structure will lead to ultrawide band antenna. However, it is still possible to enhance the antenna bandwidth. In this study, we combine the DRR structure with an array antenna. The proposed antenna includes a circular array of four triangle resonators, which is rotated around the center of the triangle base to form a gear-shaped ring resonator an

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Vinothkanna, R. "A Survey – Wearable Antenna Techniques and its Applications." December 2022 1, no. 1 (2022): 87–98. http://dx.doi.org/10.36548/rrrj.2022.1.008.

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Smart Antenna is an array of antennas which uses the smart signal processing algorithms to track and locate the client device using the direction of arrival of a signal. Smart Wearable Antennas are designed to function while being worn. Wearable antennas are used within the context of Wireless Body Area Networks. The wearable antenna is high in efficiency, miniature in size, and simple in structure, and is implemented with electrical performance and polarization effects, which helps in healthcare, medical and military applications, smart glasses, sensor devices in sports, etc. This research st

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Vinothkanna, R. "A Survey – Wearable Antenna Techniques and its Applications." December 2022 1, no. 1 (2022): 87–98. http://dx.doi.org/10.36548/rrrj.2023.1.008.

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Smart Antenna is an array of antennas which uses the smart signal processing algorithms to track and locate the client device using the direction of arrival of a signal. Smart Wearable Antennas are designed to function while being worn. Wearable antennas are used within the context of Wireless Body Area Networks. The wearable antenna is high in efficiency, miniature in size, and simple in structure, and is implemented with electrical performance and polarization effects, which helps in healthcare, medical and military applications, smart glasses, sensor devices in sports, etc. This research st

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Dwi Santoso, Agus, Fery Budi Cahyono, and Bambang Bagus Harianto. "DESAIN ANTENA MICROSTRIP RECTANGULAR ARRAY 1x4 PADA FREKWENSI 2.2 UNTUK RADAR KAPAL." Jurnal Penelitian 8, no. 1 (2023): 1–15. http://dx.doi.org/10.46491/jp.v8i1.1354.

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This study aims to analyze antennas' characteristics at a frequency of 2.2 GHz, including the value of return loss, VSWR, gain, bandwidth, surface current, and radiation pattern. The antenna characteristics have been designed using simulations made with FR-4 substrates with a dielectric constant ε_r= 4.3 and substrate thickness (h) = 1.6 mm and copper patches with a patch thickness of 0.035 mm. Single antennas are made first to get the desired parameters, then continue to make 1x2 and 1x4 antenna arrays. The feeding antenna array is arranged using the Wilkinson power divider technique on the s

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Antonenko, Ye O., Y. V. Antonenko, D. O. Shtoda, V. O. Katrich, O. V. Gribovsky, and M. V. Nesterenko. "Antenna array based on open ring radiators." Visnyk of V.N. Karazin Kharkiv National University, series “Radio Physics and Electronics”, no. 37 (December 30, 2022): 98–105. https://doi.org/10.26565/2311-0872-2022-37-08.

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Relevance. The creation of antenna arrays for communication systems is an urgent task in the unmanned aviation industries, in particular, for video signal transmission systems. Also, the relevance of the work is due to the need to use directional or single-beam antennas for direction finding and radar systems. The purpose of the work. Theoretical and experimental verification of the possibility of using both single patch antennas and antenna arrays based on them for video signal transmission systems in the 5.8 GHz band. Optimization of the geometrical parameters of the radiator, at which the g

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Fallah, Mahmoud, and Mohammad Khalaj-Amirhosseini. "Meta-waveguide analysis and implementation for using as a slot array antenna." International Journal of Microwave and Wireless Technologies 12, no. 2 (2019): 138–47. http://dx.doi.org/10.1017/s1759078719001132.

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AbstractThis paper presents a novel concept named meta-waveguide structures to design slot array antennas based on metasurface. The proposed method investigates the geometrical parameters of the embedded metasurface and their relations to build up the engineered electric and magnetic fields to introduce efficient slot array antennas. This approach eliminates the necessity of using the well-known offsets in typical slot arrays, which can be benefited from linear array theorem. This idea is realized by employing successive filed curvature along the propagation direction, utilizing periodic metas

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Lee, Doojin. "Study of metasurface coated bowtie antenna to decouple closely coupled arrays." AIP Advances 12, no. 11 (2022): 115108. http://dx.doi.org/10.1063/5.0107498.

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This paper presents the numerical studies of the bowtie antenna with and without metasurface in cross-coupled arrays. The single bowtie antennas coated by the metasurface are designed at the neighboring frequency of 3 GHz. The cloaked frequency of the cloaked bowtie antennas is controlled by components that consist of metasurface such as the dielectric constant of the supporting material, slot width, spacing of the slot, and the height of the material. The cloaked bowtie antenna has characteristics such as the minimum reflection from the antenna at the designed frequency and, at the same time

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KEERTHANA, J., and Dr V. MOHAN. "OPTIMIZATION OF MICROSTRIP PATCH ANTENNA FOR WIRELESS COMMUNICATION." INTERANTIONAL JOURNAL OF SCIENTIFIC RESEARCH IN ENGINEERING AND MANAGEMENT 07, no. 10 (2023): 1–11. http://dx.doi.org/10.55041/ijsrem25921.

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This work aims to enhance the performance of a Microstrip Patch Antenna Array using the Particle Swarm Optimization (PSO) algorithm. These antennas are crucial components of modern wireless communication systems, particularly in the context of high-frequency applications like 5G. Designing these antennas to operate optimally is complex due to the various design parameters involved. This research employs the PSO algorithm in MATLAB to systematically refine the array antenna design. To optimize key performance metrics such as dimensions of antenna, gain, and bandwidth. This approach aims to crea

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Ponnapalli, V. A. Sankar, and P. V. Y. Jayasree. "A Three Valued Morse-Thue Fractal Tapering for Thinning of Fractal Array Antennas." Journal of Science and Technology: Issue on Information and Communications Technology 2, no. 1 (2016): 49. http://dx.doi.org/10.31130/jst.2016.25.

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Fractal array antennas are multiband and broadband array antennas having space filling capability. But large Side lobe levels and the huge number of elements are the prominent challenges in the designing of these arrays. In this paper, analysis of linear and heptagonal fractal array antennas are investigated with a three valued Morse-Thue tapering technique. Due to this fractal tapering , a notable improvement has observed in array factor properties and thinning of the elements can be achieved at the various iterations of linear and heptagonal fractal array antennas. These array antennas are a

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Joo, Taehwan, Chanho Hwang, Juman Park, Kichul Kim, and Jaesoo Jung. "Design of a Tile-Type Rx Multi-Beam Digital Active Phased Array Antenna System." Journal of Electromagnetic Engineering and Science 22, no. 1 (2022): 12–20. http://dx.doi.org/10.26866/jees.2022.1.r.55.

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This paper details the design, manufacture, and performance test results of a highly integrated Rx multi-beam active phased array antenna for aerial communications. The proposed Rx phased array antenna comprises three tile-phased array antennas consisting of array antennas, radio frequency, and beamforming units. A performance test of the Rx antenna system revealed the system achieved gain-to-noise temperature of -6 dB/K and beam pointing accuracy of below 0.4° with four independently operable multi-beams. It is designed with compact size and less weight for various platforms.

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Lei, Yufang, Lingxuan Zhang, Yulong Xue, et al. "Suppressing grating lobes of large-aperture optical phased array with circular array design." Applied Optics 62, no. 15 (2023): 4110. http://dx.doi.org/10.1364/ao.488916.

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An optical phased array (OPA), especially a two-dimensional (2D) OPA, suffers from the trade-off among steering range, beam width, and the number of antennas. Aperiodic 2D array designs currently aimed to reduce the number of antennas and reduce grating lobes within a wide range fall short when an aperture approaches millimeter size. A circular OPA design is proposed to address this issue. The circular design substantially reduces the number of antennas while achieving the same wide steering range and narrow beam width of optimized aperiodic 2D OPA designs. Its efficient suppression of grating

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Fergiawan, Hanif, Koesmarijanto Koesmarijanto, and Hendro Darmono. "Design and Implementation of Microstrip Antenna Hexagonal – Rectangular Patch 2x4 Array with H - Slot at 2.4 GHz Frequency." JURNAL JARTEL: Jurnal Jaringan Telekomunikasi 14, no. 2 (2024): 233–41. https://doi.org/10.33795/jartel.v14i2.5287.

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Antenna microstrip is one of the lots of antennas used in system telecommunication specifically for microwave frequency. Antenna microstrip own a number of applications as in communication cellular and satellite, GPS, RFID, WiMax, radar, rectenna to use in the medical world. Antenna microstrip has weaknesses such as narrow bandwidth, small gain, and low efficient. In this article an antenna microstrip with hexagonal - rectangular patches 2x4 array will be designed without and with “H” slot. Antenna will be designed and simulated using CST 2019 software. Printing antenna using PCB with substrat

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Nnamdi, Ugochukwu, Bourdillion Omijeh, and Ifeoma Asianuba. "Design and Optimization of a 2.4 GHz Antenna Array for Energy Harvesting." European Journal of Theoretical and Applied Sciences 1, no. 6 (2023): 676–83. http://dx.doi.org/10.59324/ejtas.2023.1(6).67.

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In this paper, a 2.4GHz antenna array for wireless power transfer (WPT) was designed and optimized for energy harvesting using MATLAB Software. Antennas are essential communication tools in energy harvesting systems as such; they are used to transmit and receive signals. The designed antenna is a 2 x 4 microstrip array. The choice of the microstrip antenna stems from the fact that, it is a class of patch antenna which satisfies all low-level conditions for Radio frequency (RF) transmission. Array antennas are deployed to maximize the overall gain, improve signal reception and achieve excellent

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Ugochukwu, Nnamdi, Omijeh Bourdillion, and Asianuba Ifeoma. "Design and Optimization of a 2.4 GHz Antenna Array for Energy Harvesting." European Journal of Theoretical and Applied Sciences 1, no. 6 (2023): 676–83. https://doi.org/10.59324/ejtas.2023.1(6).67.

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In this paper, a 2.4GHz antenna array for wireless power transfer (WPT) was designed and optimized for energy harvesting using MATLAB Software. Antennas are essential communication tools in energy harvesting systems as such; they are used to transmit and receive signals. The designed antenna is a 2 x 4 microstrip array. The choice of the microstrip antenna stems from the fact that, it is a class of patch antenna which satisfies all low-level conditions for Radio frequency (RF) transmission. Array antennas are deployed to maximize the overall gain, improve signal reception and achieve excellent

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