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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">radioelectronics</journal-id><journal-title-group><journal-title xml:lang="ru">Известия высших учебных заведений России. Радиоэлектроника</journal-title><trans-title-group xml:lang="en"><trans-title>Journal of the Russian Universities. Radioelectronics</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1993-8985</issn><issn pub-type="epub">2658-4794</issn><publisher><publisher-name>Saint Petersburg Electrotechnical University</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.32603/1993-8985-2022-25-1-17-27</article-id><article-id custom-type="elpub" pub-id-type="custom">radioelectronics-602</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>РАДИОЛОКАЦИЯ И РАДИОНАВИГАЦИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>RADAR AND NAVIGATION</subject></subj-group></article-categories><title-group><article-title>Пространственное линейное кодирование сигналов в совместной системе радиолокации и многоадресной радиосвязи</article-title><trans-title-group xml:lang="en"><trans-title>Spatial Linear Coding in Joint Radar and Multicast Communication Systems</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Штарев</surname><given-names>Д. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Shtarev</surname><given-names>D. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Штарев Дмитрий Вадимович – аспирант, начальник отдела</p><p>Ленинградский пр., д. 80, корп. 16, Москва, 125190</p></bio><bio xml:lang="en"><p>Dmitry V. Shtarev, Postgraduate student, Head of the Department</p><p>80, Leningradsky prospect, bldg. 16, Moscow 125190</p></bio><email xlink:type="simple">dshtarev@lemz.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5707-0806</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Маврычев</surname><given-names>Е. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Mavrychev</surname><given-names>E. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Маврычев Евгений Александрович – кандидат технических наук (2003), доцент (2012) кафедры ин-формационных радиосистем</p><p>ул. Минина, д. 24, Н. Новгород, 603950</p></bio><bio xml:lang="en"><p>Evgeny A. Mavrychev, Cand. Sci. (Eng.) (2003), Associate Professor (2012) on the Department of Information Radio Systems</p><p>80, Minin St., Nizhny Novgo-rod 603950</p></bio><email xlink:type="simple">mavrychev.eugene@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ПАО «НПО "Алмаз" им. академика А. А. Расплетина»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>PJSC "ALMAZ R&amp;P Corp."</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Нижегородский государственный технический университет им. Р. Е. Алексеева</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Nizhny Novgorod State Technical University n. a. R. E. Alekseev</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>21</day><month>02</month><year>2022</year></pub-date><volume>25</volume><issue>1</issue><fpage>17</fpage><lpage>27</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Штарев Д.В., Маврычев Е.А., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Штарев Д.В., Маврычев Е.А.</copyright-holder><copyright-holder xml:lang="en">Shtarev D.V., Mavrychev E.A.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://re.eltech.ru/jour/article/view/602">https://re.eltech.ru/jour/article/view/602</self-uri><abstract><p>Введение. В статье решается актуальная задача разработки методов оптимизации амплитудно-фазового распределения в передающей антенной решетке в системе, в которой используется общий сигнал для многоадресной передачи данных и радиолокационного зондирования в заданном секторе пространства. Выбор целевой функции для оптимизационной задачи основывается на двух подходах. Первый подход заключается в минимизации излучаемой мощности при заданном качестве обслуживания пользователей и радиолокационного наблюдения. Второй подход основан на оптимизации качества обслуживания в наихудшем канале передачи данных и радиолокационного наблюдения при заданном бюджете мощности. Величиной, определяющей качество обслуживания, является отношение сигнал/шум как для передачи данных, так и для радиолокации.Цель работы. Решение задачи оптимизации пространственного линейного кодирования сигналов в совместной системе многоадресной радиосвязи и радиолокации, в которой используется общий временной сигнал.Материалы и методы. Оптимизация пространственного линейного кодирования в совместной системе радиосвязи и радиолокации основывается на методах статистической теории и методах теории оптимизации с использованием численного решения оптимизационных задач. Характеристики системы анализируются с помощью математического моделирования на основе метода Монте-Карло. Статистическое моделирование выполняется в среде MATLAB с использованием стандартных средств, а также пакета CVX для численного решения выпуклых оптимизационных задач.Результаты. Сформулированы оптимизационные задачи на основе критериев минимума излучаемой мощности и максимума отношения сигнал/шум в наихудшем канале. В обоих случаях используется ограничение на излучаемую мощность отдельными антенными каналами. Оптимизационные задачи приближенно сводятся к выпуклым задачам с полуопределенными условиями, которые решаются с помощью хорошо известного алгоритма внутренней точки, имеющего полиномиальную сложность. Проведено статистическое моделирование, в результате которого получены оптимальные характеристики совместной системы, а именно зависимости излучаемой мощности от порогового отношения сигнал/шум и зависимости отношения сигнал/шум в наихудшем канале от бюджета мощности.Заключение. Предложены методы оптимального линейного кодирования в антенной решетке, основанные на численном решении оптимизационных задач, которые рекомендуется использовать при разработке совместной системы многоадресной радиосвязи и радиолокации.</p></abstract><trans-abstract xml:lang="en"><p>Introduction. This paper presents optimization methods for the amplitude-phase distribution in a transmitting antenna array in a system with a common signal for multicast data transmission and radar sensing in a given sector of space. Two approaches are considered for the choice of an objective function for the optimization problem. The first approach involves minimizing the transmitted power for a given quality of user service and radar surveillance. The second approach involves optimizing the quality of service for the worst radar and communication channel under a given power budget. The value that determines the quality of service is the signal-to-noise ratio, for both communication and radar.Aim. Тo solve the optimization problem of spatial linear coding of signals in a joint multicast radar and communication system, which shares a common signal.Materials and methods. Optimization of spatial linear coding in a joint radio radar and communication system was carried out by the methods of statistical theory and optimization theory using the numerical solution of optimization problems. The performance characteristics of the system were analyzed by Monte Carlo simulation. Statistical simulation was performed in the MATLAB environment using standard tools, as well as the CVX package for the numerical solution of convex optimization problems.Results. Optimization problems were formulated based on the criteria of the minimum radiated power and the maximum signal-to-noise ratio in the worst channel. A limitation on the radiated power of individual antenna channels was used for both cases. Optimization problems were approximately reduced to convex problems with semidefinite constraints, which could be solved using the wellknown interior point algorithm with polynomial complexity. The performed statistical simulation produced optimal performance characteristics of a joint system, including the total power versus the threshold signal-to-noise ratio and the signal-to-noise ratio for the worst channel versus the power budget.Conclusion. The proposed numerical optimization methods for spatial linear coding in a transmitting antenna array can be recommended when designing joint radar communication systems.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>многофункциональные радиосистемы</kwd><kwd>совместное использование радиочастотных ресурсов</kwd><kwd>пространственное кодирование</kwd><kwd>многоадресная передача</kwd><kwd>выпуклая оптимизация</kwd><kwd>квадратич-ное программирование с квадратичными условиями</kwd></kwd-group><kwd-group xml:lang="en"><kwd>multifunctional system</kwd><kwd>joint bandwidth utilization</kwd><kwd>spatial coding</kwd><kwd>multicast transmission</kwd><kwd>convex optimization</kwd><kwd>quadratically constrained quadratic programming</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">5G network capacity: key elements and technolo-gies / Q. C. Li, H. Niu, A. T. Papathanassiou, G. 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