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DIPOLE ANTENNAS WITH A SECTOR-SHAPED RADIATION PATTERN
Subject and Purpose. The directivity characteristics of a dipole antenna when it is placed above and parallel to a perfectly conducting screen of rectangular shape are considered, aiming to theoretically study dipole antennas with sector-shaped radiation patterns (RP) formed by choosing the optimal...
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uniform geometric theory of diffraction dipole rectangular screen diffracted field sector-shaped radiation pattern directivity radiation resistance |
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uniform geometric theory of diffraction dipole rectangular screen diffracted field sector-shaped radiation pattern directivity radiation resistance Gorobets, M. M. Yeliseyeva, N. P. Berdnyk, S. L. Horobets, O. M. DIPOLE ANTENNAS WITH A SECTOR-SHAPED RADIATION PATTERN |
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uniform geometric theory of diffraction dipole rectangular screen diffracted field sector-shaped radiation pattern directivity radiation resistance рівномірна геометрична теорія дифракції диполь; прямокутний екран; дифраговане поле; секторна діаграма направленості; коефіцієнт направленої дії; опір випромінювання |
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Article |
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Gorobets, M. M. Yeliseyeva, N. P. Berdnyk, S. L. Horobets, O. M. |
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Gorobets, M. M. Yeliseyeva, N. P. Berdnyk, S. L. Horobets, O. M. |
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Gorobets, M. M. |
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DIPOLE ANTENNAS WITH A SECTOR-SHAPED RADIATION PATTERN |
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DIPOLE ANTENNAS WITH A SECTOR-SHAPED RADIATION PATTERN |
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DIPOLE ANTENNAS WITH A SECTOR-SHAPED RADIATION PATTERN |
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DIPOLE ANTENNAS WITH A SECTOR-SHAPED RADIATION PATTERN |
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DIPOLE ANTENNAS WITH A SECTOR-SHAPED RADIATION PATTERN |
| title_sort |
dipole antennas with a sector-shaped radiation pattern |
| title_alt |
ДИПОЛЬНІ АНТЕНИ З СЕКТОРНОЮ ДІАГРАМОЮ НАПРАВЛЕНОСТІ |
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Subject and Purpose. The directivity characteristics of a dipole antenna when it is placed above and parallel to a perfectly conducting screen of rectangular shape are considered, aiming to theoretically study dipole antennas with sector-shaped radiation patterns (RP) formed by choosing the optimal electrical dimensions of the screen and the distance between the dipole and the screen.Methods and Methodology. The problem of the dipole radiation field diffraction by the edges of a rectangular screen is solved by the method of the uniform geometric theory of diffraction. The diffracted fields developed at the screen edges are calculated using the uniform asymptotics obtained from the rigorous solution of the model problem of the dipole field diffraction by the edge of a perfectly conducting half-plane.Results. The algorithms and calculation programs developed allow studying the electrodynamic characteristics of the antenna over a wide range of screen electrical dimensions and distances between the dipole and the screen. Radiation patterns, directivity in a path normal to the screen and in directions of maximum radiation, radiation resistance, and protective ratio have been calculated across a broad range of screen dimensions and distances between the dipole and the screen. It has been observed that the antenna of the kind forms sector-shaped radiation patterns when the distance between the dipole and the screen is 0.30 to 0.45 of the resonant wavelength of the dipole. The obtained results have been confirmed by the calculations using the FEKO program.Conclusions. It has been shown that the considered dipole antenna forms sector-shaped radiation patterns when the distance between the dipole and the screen is 0.30 to 0.45 of the dipole resonant wavelength depending on the screen dimensions. The obtained calculation results for the maximum achievable electrodynamic characteristics allow us to find optimal geometric parameters of the antenna with a sector-shaped pattern for a particular application.Keywords: uniform geometric theory of diffraction; dipole; rectangular screen; diffracted field; sector-shaped radiation pattern; directivity; radiation resistanceManuscript submitted 28.12.2023Radio phys. radio astron. 2024, 29(4): 255-270REFERENCES1. Balanis, C.A., 2016. Antenna Theory: Analysis and Design. 4th ed. NJ: John Wiley & Sons, Inc.2. Huang, H., Li, X., Liu, S., and Liu, Y., 2023. A New Method of Antenna Height Reduction Based on Half-Sized Full-Wave Dipole. IEEE Trans. Antennas Propag., 71(8), pp. 6936—6940. DOI: https://doi.org/10.1109/TAP.2023.32742913. Huang, H., Li, X., and Liu, Y., 2023. A Wideband Directional Antenna Based on Hybrid Mode Dipole. IEEE Trans. Antennas Propag., 71(9), pp. 7615—7619. DOI: https://doi.org/10.1109/TAP.2023.32981354. Pollayi, L., and Krishna, D.R., 2024. Design and Analysis of Wideband Cross Dipole Antenna with Bent Arms for Base Station Applications. Prog. Electromagn. Res. C (PIER C), 139, pp. 119—127. DOI: 10.2528/PIERC230611045. Seki, M., and Cho, K., 2020. A Design of Dual-Band Dipole Antenna with Reflector and FSR using Genetic Algorithm. In: 2020 Proc. Int. Symp. Antennas and Propagation (ISAP). Osaka, Japan, 25—28 Jan. 2020, pp. 479—480. DOI: https://doi.org/10.23919/ISAP47053.2021.93912176. Tanizawa, Y., and Cho, K., 2016. Mutual influence reduction of dual band reflector backed dipole antenna using edge folded FSR. In: 2016 Proc. Int. Symp. Antennas and Propagation (ISAP). Okinawa, Japan, 24—28 Oct. 2016, pp. 290—291.7. Hasegawa, M., Cho, K., and Ando, A., 2017. Dual-band horizontally polarized sector antenna using frequency selective reflector and bent dipole element. In: 2017 Proc. Int. Symp. Antennas and Propagation (ISAP). Phuket, Thailand, 9—14 July 2017, pp. 1—2. DOI: https://doi.org/10.1109/ISANP.2017.82290008. Ye, L.H., Zhang, X.Y., Gao, Y., and Xue, Q., 2020. Wideband Dual-Polarized Four-Folded-Dipole Antenna Array With Stable Radiation Pattern for Base-Station Applications. IEEE Trans. Antennas Propag., 68(6), pp. 4428—4436. DOI: https://doi.org/10.1109/TAP.2020.29697499. Ye, L.H., Li, Y.J., and Wu, D., 2022. Dual-Wideband Dual-Polarized Dipole Antenna with T-Shaped Slots and Stable Radiation Pattern. IEEE Antennas Wirel. Propag. Lett., 12(3), pp. 610—614. DOI: https://doi.org/10.1109/LAWP.2021.313945410. Yeliseyeva, N.P., Berdnyk, S.L., and Horobets, M.M., 2023. Electrodynamical Characteristics of Fields Developed by Two Orthogonal Pairs of Impedance Dipoles Excited In-Phase and Put Parallel to a Square Screen. Radioelectronics and Communications Systems, 66(10), pp. 580—595 (in Ukrainian). DOI: https://doi.org/10.20535/S002134702308003411. Yeliseyeva, N.P., and Horobets, M.M., 2009. Diffraction of Wire Antenna Radiation by Rectangular and Corner Screens. Kharkiv, Ukraine: V.N. Karazin Kharkiv National University Publ. (in Ukrainian).12. Yeliseyeva, N., Gorobets, N., Gorobets, A., 2023. Forming a Sector Radiation Pattern of a Dipole Antenna Placed Parallel to a Metal Square Screen. In: 2023 IEEE 28th Int. Seminar/Workshop on Direct and Inverse Problems of Electromagnetic and Acoustic Wave Theory (DIPED): proc. Tbilisi, Georgia, 11—13 Sept. 2023, pp. 68—72. DOI: https://doi.org/10.1109/DIPED59408.2023.10269518 |
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Видавничий дім «Академперіодика» |
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2024 |
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http://rpra-journal.org.ua/index.php/ra/article/view/1452 |
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oai:ri.kharkov.ua:article-14522024-12-17T08:04:50Z DIPOLE ANTENNAS WITH A SECTOR-SHAPED RADIATION PATTERN ДИПОЛЬНІ АНТЕНИ З СЕКТОРНОЮ ДІАГРАМОЮ НАПРАВЛЕНОСТІ Gorobets, M. M. Yeliseyeva, N. P. Berdnyk, S. L. Horobets, O. M. uniform geometric theory of diffraction; dipole; rectangular screen; diffracted field; sector-shaped radiation pattern; directivity; radiation resistance рівномірна геометрична теорія дифракції, диполь; прямокутний екран; дифраговане поле; секторна діаграма направленості; коефіцієнт направленої дії; опір випромінювання Subject and Purpose. The directivity characteristics of a dipole antenna when it is placed above and parallel to a perfectly conducting screen of rectangular shape are considered, aiming to theoretically study dipole antennas with sector-shaped radiation patterns (RP) formed by choosing the optimal electrical dimensions of the screen and the distance between the dipole and the screen.Methods and Methodology. The problem of the dipole radiation field diffraction by the edges of a rectangular screen is solved by the method of the uniform geometric theory of diffraction. The diffracted fields developed at the screen edges are calculated using the uniform asymptotics obtained from the rigorous solution of the model problem of the dipole field diffraction by the edge of a perfectly conducting half-plane.Results. The algorithms and calculation programs developed allow studying the electrodynamic characteristics of the antenna over a wide range of screen electrical dimensions and distances between the dipole and the screen. Radiation patterns, directivity in a path normal to the screen and in directions of maximum radiation, radiation resistance, and protective ratio have been calculated across a broad range of screen dimensions and distances between the dipole and the screen. It has been observed that the antenna of the kind forms sector-shaped radiation patterns when the distance between the dipole and the screen is 0.30 to 0.45 of the resonant wavelength of the dipole. The obtained results have been confirmed by the calculations using the FEKO program.Conclusions. It has been shown that the considered dipole antenna forms sector-shaped radiation patterns when the distance between the dipole and the screen is 0.30 to 0.45 of the dipole resonant wavelength depending on the screen dimensions. The obtained calculation results for the maximum achievable electrodynamic characteristics allow us to find optimal geometric parameters of the antenna with a sector-shaped pattern for a particular application.Keywords: uniform geometric theory of diffraction; dipole; rectangular screen; diffracted field; sector-shaped radiation pattern; directivity; radiation resistanceManuscript submitted 28.12.2023Radio phys. radio astron. 2024, 29(4): 255-270REFERENCES1. Balanis, C.A., 2016. Antenna Theory: Analysis and Design. 4th ed. NJ: John Wiley & Sons, Inc.2. Huang, H., Li, X., Liu, S., and Liu, Y., 2023. A New Method of Antenna Height Reduction Based on Half-Sized Full-Wave Dipole. IEEE Trans. Antennas Propag., 71(8), pp. 6936—6940. DOI: https://doi.org/10.1109/TAP.2023.32742913. Huang, H., Li, X., and Liu, Y., 2023. A Wideband Directional Antenna Based on Hybrid Mode Dipole. IEEE Trans. Antennas Propag., 71(9), pp. 7615—7619. DOI: https://doi.org/10.1109/TAP.2023.32981354. Pollayi, L., and Krishna, D.R., 2024. Design and Analysis of Wideband Cross Dipole Antenna with Bent Arms for Base Station Applications. Prog. Electromagn. Res. C (PIER C), 139, pp. 119—127. DOI: 10.2528/PIERC230611045. Seki, M., and Cho, K., 2020. A Design of Dual-Band Dipole Antenna with Reflector and FSR using Genetic Algorithm. In: 2020 Proc. Int. Symp. Antennas and Propagation (ISAP). Osaka, Japan, 25—28 Jan. 2020, pp. 479—480. DOI: https://doi.org/10.23919/ISAP47053.2021.93912176. Tanizawa, Y., and Cho, K., 2016. Mutual influence reduction of dual band reflector backed dipole antenna using edge folded FSR. In: 2016 Proc. Int. Symp. Antennas and Propagation (ISAP). Okinawa, Japan, 24—28 Oct. 2016, pp. 290—291.7. Hasegawa, M., Cho, K., and Ando, A., 2017. Dual-band horizontally polarized sector antenna using frequency selective reflector and bent dipole element. In: 2017 Proc. Int. Symp. Antennas and Propagation (ISAP). Phuket, Thailand, 9—14 July 2017, pp. 1—2. DOI: https://doi.org/10.1109/ISANP.2017.82290008. Ye, L.H., Zhang, X.Y., Gao, Y., and Xue, Q., 2020. Wideband Dual-Polarized Four-Folded-Dipole Antenna Array With Stable Radiation Pattern for Base-Station Applications. IEEE Trans. Antennas Propag., 68(6), pp. 4428—4436. DOI: https://doi.org/10.1109/TAP.2020.29697499. Ye, L.H., Li, Y.J., and Wu, D., 2022. Dual-Wideband Dual-Polarized Dipole Antenna with T-Shaped Slots and Stable Radiation Pattern. IEEE Antennas Wirel. Propag. Lett., 12(3), pp. 610—614. DOI: https://doi.org/10.1109/LAWP.2021.313945410. Yeliseyeva, N.P., Berdnyk, S.L., and Horobets, M.M., 2023. Electrodynamical Characteristics of Fields Developed by Two Orthogonal Pairs of Impedance Dipoles Excited In-Phase and Put Parallel to a Square Screen. Radioelectronics and Communications Systems, 66(10), pp. 580—595 (in Ukrainian). DOI: https://doi.org/10.20535/S002134702308003411. Yeliseyeva, N.P., and Horobets, M.M., 2009. Diffraction of Wire Antenna Radiation by Rectangular and Corner Screens. Kharkiv, Ukraine: V.N. Karazin Kharkiv National University Publ. (in Ukrainian).12. Yeliseyeva, N., Gorobets, N., Gorobets, A., 2023. Forming a Sector Radiation Pattern of a Dipole Antenna Placed Parallel to a Metal Square Screen. In: 2023 IEEE 28th Int. Seminar/Workshop on Direct and Inverse Problems of Electromagnetic and Acoustic Wave Theory (DIPED): proc. Tbilisi, Georgia, 11—13 Sept. 2023, pp. 68—72. DOI: https://doi.org/10.1109/DIPED59408.2023.10269518 Предмет і мета роботи. Досліджено характеристики направленості дипольної антени, розташованої над ідеально провідним екраном прямокутної форми паралельно йому. Мета роботи — теоретичне дослідження дипольної антени з діаграмами направленості (ДН) секторної форми, які формуються за рахунок вибору електричних розмірів екрана і відстані між диполем та екраном.Методи та методологія. Задачу дифракції випромінювання диполя на крайках екрана прямокутної форми вирішено методом рівномірної геометричної теорії дифракції. Для розрахунку дифрагованих полів, збуджених на крайках екрана, ви-користовуються рівномірні асимптотики, отримані зі строгого розв’язку модельної задачі дифракції поля диполя на краю ідеально провідної півплощини.Результати. Розроблені алгоритми та розрахункові програми дозволяють дослідити електродинамічні характеристики антени при довільних електричних розмірах екрана та відстані від диполя до екрана. Проведено розрахунки ДН, коефіцієнта направленої дії в напрямку нормалі до екрана та в напрямку максимуму ДН, опору випромінювання та коефіцієнта захисної дії при зміні розмірів екрана та відстані між диполем і екраном у широких межах. Доведено, що така антена формує секторні ДН при відстані від диполя до екрана в межах від 0.30 до 0.45 резонансної довжини хвилі диполя. Достовірність отриманих результатів підтверджена їх порівнянням з результатами розрахунку за програмою FEKO.Висновки. Доведено, що дипольна антена формує секторні ДН при відстані диполя від екрана в межах від 0.30 до 0.45 довжини хвилі диполя залежно від розмірів екрана. Отримані результати розрахунку максимально досяжних електродинамічних характеристик антени дозволяють знайти оптимальні для конкретного застосування геометричні параметри антени із секторною ДН.Ключові слова: рівномірна геометрична теорія дифракції, диполь, прямокутний екран, дифраговане поле, секторна діаграма направленості, коефіцієнт направленої дії, опір випромінюванняСтаття надійшла до редакції 28.12.2023Radio phys. radio astron. 2024, 29(4): 255-270БІБЛІОГРАФІЧНИЙ СПИСОК1. Balanis C.A. Antenna Theory: Analysis and Design. 4th ed. NJ: John Wiley & Sons, Inc, 2016.2. Huang H., Li X., Liu S., and Liu Y. A New Method of Antenna Height Reduction Based on Half-Sized Full-Wave Dipole. IEEE Trans. Antennas Propag. 2023. Vol. 71, Iss. 8. P. 6936—6940. DOI: 10.1109/TAP.2023.32742913. Huang H., Li X., and Liu Y. A Wideband Directional Antenna Based on Hybrid Mode Dipole. IEEE Trans. Antennas Propag. 2023. Vol. 71, Iss. 9. P. 7615—7619. DOI: 10.1109/TAP.2023.32981354. Pollayi L., and Krishna D.R. Design and Analysis of Wideband Cross Dipole Antenna with Bent Arms for Base Station Applications. Prog. Electromagn. Res. C (PIERC). 2024. Vol. 139. P. 119—127. DOI: 10.2528/PIERC230611045. Seki M., and Cho K. A Design of Dual-Band Dipole Antenna with Refl ector and FSR using Genetic Algorithm. 2020 Proc. Int. Symp. Antennas and Propagation (ISAP). Osaka, Japan, 25—28 Jan. 2020. P. 479—480. DOI: 10.23919/ISAP47053.2021.93912176. Tanizawa Y., and Cho K. Mutual influence reduction of dual band reflector backed dipole antenna using edge folded FSR. 2016 Proc. Int. Symp. Antennas and Propagation (ISAP), Okinawa, Japan, 24—28 Oct. 2016. P. 290—291.7. Hasegawa M., Cho K., and Ando A. Dual-band horizontally polarized sector antenna using frequency selective reflector and bent dipole element. 2017 Proc. Int. Symp. Antennas and Propagation (ISAP). Phuket, Thailand, 9—14 July 2017. P. 1—2. DOI: 10.1109/ISANP.2017.82290008. Ye L.H., Zhang X.Y., Gao Y., and Xue Q. Wideband Dual-Polarized Four-Folded-Dipole Antenna Array With Stable Radiation Pattern for Base-Station Applications. IEEE Trans. Antennas Propag. 2020. Vol. 68, Iss. 6. P. 4428—4436. DOI: 10.1109/TAP.2020.29697499. Ye L.H., Li Y.J., and Wu D.-L. Dual-Wideband Dual-Polarized Dipole Antenna with T-Shaped Slots and Stable Radiation Pattern. IEEE Antennas Wirel. Propag. Lett. 2022. Vol. 12, Iss. 3. P. 610—614. DOI: 10.1109/LAWP.2021.313945410. Єлісєєва Н.П., Бердник С.Л., Горобець М.М. Електродинамічні характеристики полів двох ортогональних пар синфазно збуджених імпедансних диполів, розташованих паралельно до квадратного екрана. Вісті вищих учбових закладів. Радіоелектроніка. 2023. T. 66, No 10. С. 580—595. DOI: 10.20535/S002134702308003411. Єлісєєва Н.П., Горобець М.М. Дифракція випромінювання дротової антени на прямокутних і куткових екранах. Харків: ХНУ імені В.Н. Каразіна, 2009. 380 с.12. Yeliseyeva N., Gorobets N., Gorobets A. Forming a Sector Radiation Pattern of a Dipole Antenna Placed Parallel to Metal Square Screen. 2023 IEEE 28th Int. Seminar/Workshop on Direct and Inverse Problems of Electromagnetic and Acoustic Wave Theory (DIPED): proc. Tbilisi, Georgia, 11—13 Sept. 2023. P. 68—72. DOI: 10.1109/DIPED59408.2023.10269518 Видавничий дім «Академперіодика» 2024-12-10 Article Article application/pdf http://rpra-journal.org.ua/index.php/ra/article/view/1452 10.15407/rpra29.04.255 РАДИОФИЗИКА И РАДИОАСТРОНОМИЯ; Vol 29, No 4 (2024); 255 RADIO PHYSICS AND RADIO ASTRONOMY; Vol 29, No 4 (2024); 255 РАДІОФІЗИКА І РАДІОАСТРОНОМІЯ; Vol 29, No 4 (2024); 255 2415-7007 1027-9636 10.15407/rpra29.04 uk http://rpra-journal.org.ua/index.php/ra/article/view/1452/pdf Copyright (c) 2024 RADIO PHYSICS AND RADIO ASTRONOMY |