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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">tuzsut</journal-id><journal-title-group><journal-title xml:lang="ru">Труды учебных заведений связи</journal-title><trans-title-group xml:lang="en"><trans-title>Proceedings of Telecommunication Universities</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1813-324X</issn><issn pub-type="epub">2712-8830</issn><publisher><publisher-name>СПбГУТ</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.31854/1813-324X-2020-6-4-36-44</article-id><article-id custom-type="elpub" pub-id-type="custom">tuzsut-139</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>РАДИОТЕХНИКА И СВЯЗЬ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>RADIO ENGINEERING AND COMMUNICATION</subject></subj-group></article-categories><title-group><article-title>Минимизация вероятности ошибки на бит в многоэтапной релейной MIMO-системе</article-title><trans-title-group xml:lang="en"><trans-title>Minimizing the Probability of Bit Error in a Multi-Stage MIMO Relay System</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6305-2690</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Флаксман</surname><given-names>А. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Flaksman</surname><given-names>A. ..</given-names></name></name-alternatives><email xlink:type="simple">flak@rf.unn.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/0000-0003-1286-8678</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Сорокин</surname><given-names>И. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Sorokin</surname><given-names>I. ..</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.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/0000-0002-5772-593X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кокарев</surname><given-names>А. О.</given-names></name><name name-style="western" xml:lang="en"><surname>Kokarev</surname><given-names>A. ..</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">Нижегородский государственный университет им. Н.И. Лобачевского<country>Россия</country></aff><aff xml:lang="en">National Research Lobachevsky State University of Nizhny Novgorod<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru">ООО «Радио Лаб НН»<country>Россия</country></aff><aff xml:lang="en">Radio Lab NN LLC<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2020</year></pub-date><pub-date pub-type="epub"><day>13</day><month>04</month><year>2021</year></pub-date><volume>6</volume><issue>4</issue><fpage>36</fpage><lpage>44</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Флаксман А.Г., Сорокин И.С., Кокарев А.О., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Флаксман А.Г., Сорокин И.С., Кокарев А.О.</copyright-holder><copyright-holder xml:lang="en">Flaksman A..., Sorokin I..., Kokarev A...</copyright-holder><license 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://tuzs.sut.ru/jour/article/view/139">https://tuzs.sut.ru/jour/article/view/139</self-uri><abstract><p>Рассматриваются многоэтапные релейные MIMO-системы (Multiple-Input Multiple-Output) сотовой связи с антенными решетками на каждом этапе передачи, в которых формируются параллельные независимые собственные подканалы для передачи данных. Исследуется возможность минимизации вероятности ошибки на бит передаваемой информации при одновременном использовании метода раздельной оптимизации каждого этапа передачи и порогового метода отбора энергетически сильных подканалов. Приведенные результаты моделирования в случае многолучевого канала с релеевскими замираниями сигналов подтверждают высокую эффективность предложенного подхода.</p></abstract><trans-abstract xml:lang="en"><p>This research is devoted to the investigation of the relay multi-stage relay MIMO (Multiple-Input Multiple- Output) of cellular communication with antenna arrays at each stage of transmission, in which parallel independent subchannels for data transmission are formed, are considered. The possibility of minimizing the error probability per bit of transmitted information is investigated while using the method of separate optimization of each transmission stage and the threshold method for selecting energetically strong subchannels. The presented simulation results in the case of a multipath channel with Rayleigh signal fading confirm the high efficiency of the proposed approach.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>собственный подканал</kwd><kwd>вероятность ошибки на бит</kwd><kwd>пропускная способность</kwd><kwd>релеевские замирания сигналов</kwd></kwd-group><kwd-group xml:lang="en"><kwd>MIMO-система</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">Björnson E., Hoydis J., Sanguinetti L. Massive MIMO Networks: Spectral, Energy, and Hardware Efficiency // Foundations and Trends in Signal Processing. 2017. Vol. 11. Iss. 3-4. PP. 154-655. DOI:10.1561/2000000093</mixed-citation><mixed-citation xml:lang="en">Björnson E., Hoydis J., Sanguinetti L. Massive MIMO Networks: Spectral, Energy, and Hardware Efficiency // Foundations and Trends in Signal Processing. 2017. Vol. 11. Iss. 3-4. 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