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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">sibsutis</journal-id><journal-title-group><journal-title xml:lang="ru">Вестник СибГУТИ</journal-title><trans-title-group xml:lang="en"><trans-title>The Herald of the Siberian State University of Telecommunications and Information Science</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1998-6920</issn><publisher><publisher-name>СибГУТИ</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.55648/1998-6920-2023-17-1-52-65</article-id><article-id custom-type="elpub" pub-id-type="custom">sibsutis-790</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>СОДЕРЖАНИЕ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>СОДЕРЖАНИЕ</subject></subj-group></article-categories><title-group><article-title>Использование SDR-технологии для задач сетевого позиционирования. Процедуры приема и обработки опорных сигналов LTE</article-title><trans-title-group xml:lang="en"><trans-title>Development of SDR-based Network Positioning Technology. LTE Reference Signals Reception and Processing Procedures</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5358-1895</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Фокин</surname><given-names>Г. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Fokin</surname><given-names>G. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Фокин Григорий Алексеевич, д.т.н., доцент, профессор кафедры радиосвязи и вещания</p><p>193232, Санкт-Петербург, пр. Большевиков д. 22, к. 1, а. 407/2</p></bio><bio xml:lang="en"><p>Grigoriy A. Fokin, Dr. of Sci. (Engineering), Docent; Professor of the Department of Radio Communication and Broadcasting</p><p>193232, Saint Petersburg, Bolshevikov Prospect 22</p></bio><email xlink:type="simple">grihafokin@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8147-4368</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Волгушев</surname><given-names>Д. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Volgushev</surname><given-names>D. B.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Волгушев Дмитрий Борисович, научный сотрудник</p><p>193232, Санкт-Петербург, пр. Большевиков д. 22, к. 1, а. 407/2</p><p> </p></bio><bio xml:lang="en"><p>Dmitry B. Volgushev, Research assistant</p><p>193232, Saint Petersburg, Bolshevikov Prospect 22</p></bio><email xlink:type="simple">d.volgushev@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Санкт-Петербургский государственный университет телекоммуникаций им. проф. М. А. Бонч-Бруевича</institution><country>Россия</country></aff><aff xml:lang="en"><institution>The Bonch-Bruevich Saint Petersburg State University of Telecommunications (SPbSUT)</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>05</day><month>04</month><year>2023</year></pub-date><volume>17</volume><issue>1</issue><fpage>52</fpage><lpage>65</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Фокин Г.А., Волгушев Д.Б., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Фокин Г.А., Волгушев Д.Б.</copyright-holder><copyright-holder xml:lang="en">Fokin G.A., Volgushev D.B.</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://vestnik.sibsutis.ru/jour/article/view/790">https://vestnik.sibsutis.ru/jour/article/view/790</self-uri><abstract><sec><title>Введение</title><p>Введение. Поиск технических решений по повышению точности позиционирования устройств с использованием инфраструктуры базовых станций существующих и проектируемых сетей сотовой радиосвязи является актуальным направлением исследований и разработок в последнее десятилетие. Интерес к сетевому позиционированию обусловлен ненадежным приемом сигналов глобальных навигационных спутниковых систем в условиях плотной городской застройки. Инструментом экспериментальной апробации технических решений являются программные и аппаратные средства технологии программно-конфигурируемого радио SDR. Настоящая работа является продолжением исследования по использованию SDR-технологии для задач сетевого позиционирования в части вопросов, касающихся приема и обработки опорных сигналов стандарта LTE.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. В работе приводится экспериментально апробированная последовательность процедур приема и обработки опорных сигналов LTE с целью сбора первичных разностно-дальномерных измерений для программной реализации на макете пользовательского устройства, построенного с использованием технологии программно-конфигурируемого радио SDR.</p></sec><sec><title>Результаты</title><p>Результаты. Программная реализация представленных процедур лежит в основе SDR-макета пользовательского устройства приема и обработки опорных сигналов стандарта LTE.</p></sec><sec><title>Обсуждение и заключения</title><p>Обсуждение и заключения. Апробация работы SDR-макета пользовательского устройства в лабораторных условиях с SDR-макетами базовых станций, а также в полевых условиях с базовыми станциями функционирующих сетей LTE позволяет осуществлять поиск технических решений по повышению точности определения местоположения.</p></sec></abstract><trans-abstract xml:lang="en"><p>Introduction. The search for technical solutions to improve the positioning accuracy of devices using the infrastructure of base stations of existing and planned cellular radio networks is an important area of research and development in the last decade. Interest in network positioning is due to the unreliable reception of signals from global navigation satellite systems in dense urban areas. The instrument for experimental approbation of technical solutions is the software and hardware of the SDR software defined radio technology. This work is a continuation of the research on the use of SDR technology for network positioning tasks in terms of issues related to the reception and processing of reference signals of the LTE standard. Materials and methods. The paper presents an experimentally tested sequence of procedures for receiving and processing LTE reference signals in order to collect primary differential-range measurements for software implementation on a mock-up of a user device built using SDR software defined radio technology. Results. The software implementation of the presented procedures underlies the SDR layout of the user device for receiving and processing reference signals of the LTE standard. Discussion and conclusions. Approbation of the operation of the SDR testbed of the user device in laboratory conditions with SDR testbeds of base stations, as well as in the field with base stations of functioning LTE networks, makes it possible to search for technical solutions to improve the accuracy of positioning.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>4G</kwd><kwd>LTE</kwd><kwd>PSS</kwd><kwd>SSS</kwd><kwd>CRS</kwd><kwd>PRS</kwd><kwd>SDR</kwd><kwd>позиционирование</kwd><kwd>процедуры</kwd><kwd>опорные сигналы</kwd></kwd-group><kwd-group xml:lang="en"><kwd>4G</kwd><kwd>LTE</kwd><kwd>PSS</kwd><kwd>SSS</kwd><kwd>CRS</kwd><kwd>PRS</kwd><kwd>SDR</kwd><kwd>positioning</kwd><kwd>procedures</kwd><kwd>reference signals</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Исследование выполнено при финансовой поддержке Российского научного фонда (грант № 22-29-00528), https://rscf.ru/project/22-29-00528/.</funding-statement><funding-statement xml:lang="en">Исследование выполнено при финансовой поддержке Российского научного фонда (грант № 22-29- 00528), https://rscf.ru/project/22-29-00528/.</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Фокин Г. 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