radioelectronicsИзвестия высших учебных заведений России. РадиоэлектроникаJournal of the Russian Universities. Radioelectronics1993-89852658-4794Saint Petersburg Electrotechnical University10.32603/1993-8985-2019-22-3-48-62radioelectronics-324Research ArticleЭЛЕКТРОДИНАМИКА, МИКРОВОЛНОВАЯ ТЕХНИКА, АНТЕННЫELECTRODYNAMICS, MICROWAVE ENGINEERING, ANTENNASРАЗРАБОТКА ЛИНЗОВОЙ АНТЕННЫ С ПЛАНАРНЫМ ПОЛЯРИЗАЦИОННЫМ СЕЛЕКТОРОМ ДЛЯ СИСТЕМ ФИКСИРОВАННОЙ РАДИОСВЯЗИ ЧАСТОТНОГО ДИАПАЗОНА 28 ГГЦDESIGN OF LENS ANTENNA WITH PLANAR ORTHOMODE TRANSDUCER FOR 28 GHZ FIXED SERVICE COMMUNICATION SYSTEMShttps://orcid.org/0000-0002-9827-6720МожаровскийА. В.MozharovskiyAndrey V.

Можаровский Андрей Викторович – инженер (2011) по специальности "Информационные системы и технологии" (ННГУ им. Н. И. Лобачевского, г. Нижний Новгород). Соискатель кафедры микрорадиоэлектроники и технологии радиоаппаратуры Санкт-Петербургского государственного электротехнического университета "ЛЭТИ". Старший инженер по СВЧ-устройствам и антенной технике ООО "Радио Гигабит". Автор 27 научных публикаций. Сфера интересов – различные антенно-фидерные устройства миллиметрового диапазона длин волн, включая печатные, волноводные и линзовые антенны и антенные решетки; планарные и волноводные дуплексирующие устройства и фильтры.

ул. Ошарская, 95 к. 2, Нижний Новгород, 603105

Andrey V. Mozharovskiy Engineer (2011) in Information Systems and Technologies (Lobachevsky State University of Nizhny Novgorod). Doctoral candidate of the Department of micro radio electronics and radio technology of Saint Petersburg Electro-technical University "LETI". Senior microwave systems and antennas engineer in LLC "Radio Gigabit". The author of 27 scientific publications. Area of expertise: various millimeter wavelength range antenna and feeding systems, including printed, waveguide and lens antennas and antenna arrays; planar and waveguide duplexing devices and filters.

95, bldg 2, Osharskaya Str., 603105, Nizhny Novgorod

andrey.mozharovskiy@radiogigabit.comООО "Радио Гигабит"РоссияLLC "Radio Gigabit"Russian Federation2019010720192234862Copyright © Можаровский А.В., 20192019Можаровский А.В.Mozharovskiy A.V.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://re.eltech.ru/jour/article/view/324

Введение. Использование миллиметрового диапазона длин волн открывает широкие перспективы для увеличения пропускной способности в современных системах связи за счет применения широких полос передаваемых сигналов. Одной из основных сложностей при разработке систем радиосвязи диапазона длин волн 27.5…29.5 ГГц является обеспечение высоких значений коэффициента усиления используемых антенн порядка 30 дБи для компенсации значительного уровня затухания радиосигнала в канале связи по сравнению с традиционными диапазонами частот ниже 6 ГГц. Цель работы. Разработка узконаправленной антенны с возможностью работы на двух ортогональных линейных поляризациях для разделения передаваемого и принимаемого потоков по поляризации и, соответственно, более эффективного использования спектра. При этом важной задачей является обеспечение высокой апертурной эффективности антенны и низкий уровень потерь в системе подведения, которая должна иметь интерфейс на основе печатных линий передачи для подключения к элементам радиочастотного тракта, реализованным на печатной плате. Материалы и методы. Основным методом исследования характеристик антенны является численное электродинамическое моделирование в системе автоматизированного проектирования CST Microwave Studio. Полученные результаты подтверждены при измерении экспериментальных образцов. Результаты. В качестве разрабатываемой антенны выбрана интегрированная линзовая антенна, состоящая из однородной полуэллиптической диэлектрической линзы диаметром D = 120 мм с цилиндрическим продолжением и первичного облучателя, выполненного на основе микрополосковой антенны с волноводным адаптером. Размер раскрыва адаптера оптимизирован для увеличения апертурной эффективности линзы с помощью комбинированного метода на основе принципов геометрической и физической оптики. Две ортогональные линейные поляризации на микрополосковом облучателе возбуждаются через соответствующие щели "Н"-формы, выполненные в одном из внутренних уровней металлизации печатной платы рядом друг с другом. В частотном диапазоне 27.5…29.5 ГГц разработанная линзовая антенна для каждой из поляризаций обеспечивает значение коэффициента усиления 29.5…30.2 дБи с шириной основного луча по уровню половинной мощности 4.8…5.1° и уровнем кроссполяризационной развязки не менее 37 дБ. Заключение. Простота конструкции, высокая апертурная эффективность и возможность работать на двух ортогональных линейных поляризациях позволяют сделать вывод, что разработанная линзовая антенна может быть успешно использована в системах радиосвязи частотного диапазона 27.5…29.5 ГГц.

Introduction. Millimeter-wave frequency range can provide utilization of wide transmission frequency bands and therefore a significant increase of the capacity in modern communication systems. One of the main concerns in the design of the 27.5…29.5 GHz-wave communication system is a high gain antenna of the range of 30 dBi to compensate the significant level of radio signal attenuation in the communication channel compared to the traditional frequency bands below 6 GHz. Objective. Development of the integrated lens antenna with the ability to operate on two orthogonal linear polarizations to separate the transmitted and received signals by polarization and, therefore, to create more efficient use of the spectrum. At the same time, an important task is to provide a high aperture efficiency of the antenna and a low level of insertion loss in the distribution system, which should have an interface based on printed transmission lines for connection to the radio frequency circuit elements realized on the printed circuit board. Materials and methods. The main method of the analysis of the lens antenna characteristics is full-wave electromagnetic simulation in the computer-aided design system CST Microwave Studio. The results are confirmed with experimental samples measurement. Results. The designed antenna is an integrated lens antenna consisting of a homogeneous semi-elliptical dielectric lens with a diameter of D = 120 mm with a cylindrical extension and a primary radiator based on a microstrip antenna with a waveguide adapter. Waveguide adapter radiating opening dimensions were optimized using an analytical method based on a combination of geometrical and physical optics. Two orthogonal polarizations are excited on the primary microstrip patch antenna with the corresponding closely spaced “H-type” slots in one internal metallization layer. According to experimental results, the designed antenna provides the gain level of 29.5…30.2 dBi with a halfpower beamwidth of 4.8…5.1 degrees and cross-polarization level exceeding 37 dB for both polarizations in the whole frequency band of 27.5…29.5 GHz. Conclusion. The simplicity of the design, high aperture efficiency and the ability to operate on two orthogonal linear polarizations show that the developed lens antenna can be successfully used in radio communication systems of the 27.5…29.5 GHz frequency range.

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The authors declare that there are no conflicts of interest present.