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Journal of Radio Electronics Online scientific journal · eISSN 1684-1719
2022, № 11 · RADIO ENGINEERING

Design of phased array antennas microwave photonic beamforming schemes in microwave CAD AWR DE

V.V. Golovin1, Y.N. Tyschuk1, M.E. Belkin2, M.O. Tkachenko1

1 Sevastopol State University, Sevastopol, Russia
2 Moscow Technological University (MIREA), Moscow, Russia
Full text DOI: 10.30898/1684-1719.2022.11.9 UDC 621.396.677.31 EDN BSRMFP

Abstract

At implementing 5G NR mobile communication networks in the millimeter wave range, the use of microwave photonic (MWP) technologies is promising for the embodiment of the analog part of the base stations antenna systems. The MWP beamforming devices (BFD) of phased array antennas have better technical and economical characteristics compared to fully microwave solutions. The article presents two models of MWP beamforming devices developed in the specialized microwave CAD AWR DE. The BFD are implemented on the basis of electrical equivalent schemes of optical modules (electro-optical modulator, delay lines on Bragg gratings, etc.), in which the formation of the required amplitude-phase field distributions in the antenna array aperture is realized on the basis of optical delay lines. An end-to-end nonlinear simulation of BFD, in which signals in the microwave and optical ranges are simultaneously analyzed in the models, is performed. The amplitude-phase distributions of the signals on the BFD antenna ports are determined, the radiation patterns of linear equidistant phased array antennas of isotropic emitters are calculated. It is shown that the second scheme of the MWP beamforming devices has the best technical characteristics. For this scheme, radiation patterns were also calculated for the case of an antenna array consisting of four-element clusters of broadband patch emitters with switchable radiation polarization.

  • microwave photonic
  • phased array antenna
  • delay line
  • beamforming device
Аннотация (на русском)

Проектирование радиофотонных диаграммообразующих схем фазированных антенных решеток в микроволновой САПР AWR DE

В статье представлены разработанные в специализированной микроволновой САПР AWR DE две модели радиофотонных диаграммобразующих устройств фазированных антенных решеток, реализованные на основе электрических эквивалентных моделей оптических модулей (электрооптического модулятора, линий задержки на брегговских решетках и др.), в которых формирование требуемых амплитудно-фазовых распределений поля в апертуре решетки реализуется на основе оптических линий задержки. Выполнено сквозное нелинейное имитационное моделирование диаграммобразующих устройств, при котором в моделях одновременно анализируются сигналы в микроволновом и оптическом диапазонах. Определены амплитудно-фазовые распределения сигналов на антенных портах, рассчитаны диаграммы направленности линейных эквидистантных фазированных антенных решеток изотропных излучателей. Показано, что вторая схема радиофотонного диаграммобразующего устройства отличается лучшими тактико-техническими характеристиками. Для этой схемы также выполнены расчеты диаграмм направленности для случая антенной решетки, состоящей из четырехэлементных кластеров широкополосных печатных излучателей с переключаемой поляризацией излучения.

For citation

Golovin V.V., Tyschuk Y.N., Belkin M.E., Tkachenko M.O. Design of phased array antennas microwave photonic beamforming schemes in microwave CAD AWR DE // Journal of Radio Electronics. – 2022. – No. 11. https://doi.org/10.30898/1684-1719.2022.11.9

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