<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE book PUBLIC "-//NLM//DTD BITS Book Interchange DTD v2.3 20210610//EN" "BITS-book2.3.dtd"> <book xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:mml="http://www.w3.org/1998/Math/MathML" book-type="conference-proceedings" dtd-version="2.3" xml:lang="ru"> <front> <book-meta>  <book-id book-id-type="isbn">978-5-9500127-5-4</book-id>   <book-id pub-id-type="doi">10.21661/a-395</book-id>   <title-group>  <book-title xml:lang="ru">Актуальные направления научных исследований: перспективы развития</book-title>   </title-group>  <description xml:lang="ru"> <p>В сборнике представлены материалы участников Международной научно–практической конференции, посвященные актуальным направлениям развития образования и науки. Приведены результаты теоретических и прикладных изысканий представителей научного и образовательного сообщества в данной области.
Предназначен для широкого круга читателей.</p> </description>   <contrib-group>  <contrib contrib-type="editor" id="editor1">  <contrib-id contrib-id-type="role">chief_editor</contrib-id>    <name-alternatives>  <name name-style="eastern" xml:lang="ru"> <surname>Широков</surname> <given-names>Олег Николаевич</given-names> </name>   </name-alternatives>   <email xlink:type="simple">425954@rambler.ru</email> </contrib>  <contrib contrib-type="editor" id="editor2">    <name-alternatives>  <name name-style="eastern" xml:lang="ru"> <surname>Абрамова</surname> <given-names>Людмила Алексеевна</given-names> </name>   </name-alternatives>   <email xlink:type="simple">labramova@interactive-plus.ru</email> </contrib>  <contrib contrib-type="editor" id="editor3">  <contrib-id contrib-id-type="role">executive_editor</contrib-id>    <name-alternatives>  <name name-style="eastern" xml:lang="ru"> <surname>Яковлева</surname> <given-names>Татьяна Валериановна</given-names> </name>   </name-alternatives>   <email xlink:type="simple">info@interactive-plus.ru</email> </contrib>  <contrib contrib-type="editor" id="editor4">  <contrib-id contrib-id-type="role">associate_editor</contrib-id>    <name-alternatives>  <name name-style="eastern" xml:lang="ru"> <surname>Вершинина</surname> <given-names>Лидия Евгеньевна</given-names> </name>   </name-alternatives>   <email xlink:type="simple">lvershinina@interactive-plus.ru</email> </contrib>  </contrib-group>   <contrib-group>  <contrib contrib-type="member-of-organizing-committee" id="orgcomm1">  <contrib-id contrib-id-type="role">chief_editor</contrib-id>    <name-alternatives>  <name name-style="eastern" xml:lang="ru"> <surname>Широков</surname> <given-names>Олег Николаевич</given-names> </name>   </name-alternatives>   </contrib>  <contrib contrib-type="member-of-organizing-committee" id="orgcomm2">    <name-alternatives>  <name name-style="eastern" xml:lang="ru"> <surname>Абрамова</surname> <given-names>Людмила Алексеевна</given-names> </name>   </name-alternatives>   </contrib>  <contrib contrib-type="member-of-organizing-committee" id="orgcomm3">    <name-alternatives>  <name name-style="eastern" xml:lang="ru"> <surname>Бекназаров</surname> <given-names>Рахым Агибаевич</given-names> </name>   </name-alternatives>   </contrib>  <contrib contrib-type="member-of-organizing-committee" id="orgcomm4">    <name-alternatives>  <name name-style="eastern" xml:lang="ru"> <surname>Иваницкий</surname> <given-names>Александр Юрьевич</given-names> </name>   </name-alternatives>   </contrib>  <contrib contrib-type="member-of-organizing-committee" id="orgcomm5">    <name-alternatives>  <name name-style="eastern" xml:lang="ru"> <surname>Стойчева</surname> <given-names>Мария Стойчева</given-names> </name>   </name-alternatives>   </contrib>  </contrib-group>   <event>  <event-desc xml:lang="ru">Актуальные направления научных исследований: перспективы развития</event-desc>   <event-desc xml:lang="en">Relevant lines of scientific research: development prospects</event-desc>     <conf-loc xml:lang="ru">Чебоксары</conf-loc>  </event>   <publisher> <publisher-name>Центр научного сотрудничества «Интерактив плюс»</publisher-name> </publisher>    <pub-date pub-type="collection"> <year>2017</year> </pub-date>    <permissions> <copyright-statement>Copyright &#x00A9; Степанова Н. В., 2017</copyright-statement> <copyright-year>2017</copyright-year> <license license-type="open-access" 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>  </book-meta> <book-part book-part-type="conference-paper"> <book-part-meta>   <book-id custom-type="publisher-id" pub-id-type="custom">130439</book-id> <title-group>  <chapter-title xml:lang="ru">Методы оценки канала в обучающем режиме</chapter-title>   </title-group>  <contrib-group>   <contrib contrib-type="author" id="author1">   <name-alternatives>  <name name-style="eastern" xml:lang="ru"> <surname>Степанова</surname> <given-names>Наталья Вениаминовна</given-names> </name>    </name-alternatives>  <email xlink:type="simple">puhleniw@mail.ru</email> <xref ref-type="aff" rid="aff1"/> </contrib>   <aff-alternatives id="aff1">   <aff xml:lang="ru">  <institution>ФГБОУ ВО «Поволжский государственный университет телекоммуникаций и информатики»</institution>   <country>Россия</country> </aff>     </aff-alternatives>  </contrib-group>   <fpage>305</fpage> <lpage>306</lpage>   <abstract xml:lang="ru"> <p>в данной статье рассмотрена проблема оценки канала для беспроводных систем. Отмечены основные особенности оценки канала в режиме обучения. В заключение сделан вывод о возможности улучшения оценки канала для неподготовленных символов OFDM многочленами более высокого порядка в случае, если система может терпеть больше латентности.</p> </abstract>           <kwd-group xml:lang="ru">  <kwd>обучение</kwd>  <kwd>канальное кодирование</kwd>  <kwd>прямая оценка</kwd>  <kwd>канал</kwd>  </kwd-group>        </book-part-meta> </book-part> </front>  <back> <ref-list> <title>References</title>  <ref id="ref1"> <label>1</label> <citation-alternatives>  <mixed-citation xml:lang="ru">1. Chang M.X. Model-Based Channel Estimation for OFDM Signals in Rayleigh Fading / M.X. Chang, Y.T. Su // IEEE Transactions on Communications. – 2002. – Vol. 50. – №4. – P. 540–544.</mixed-citation>    </citation-alternatives> <element-citation publication-type="other">  <person-group person-group-type="author">  <name> <surname>Chang</surname> <given-names>M. X.</given-names> </name>  </person-group>   <article-title>Model-Based Channel Estimation for OFDM Signals in Rayleigh Fading</article-title> <source>IEEE Transactions on Communications</source> <year>2002</year>  <issue>Vol. 50</issue>           </element-citation> </ref>  <ref id="ref2"> <label>2</label> <citation-alternatives>  <mixed-citation xml:lang="ru">2. Coleri S. Channel Estimation Techniques Based on Pilot Arrangement in OFDM Systems / S. Coleri [et al.] // IEEE Transactions on Broadcasting. – 2002. – Vol. 48. – №3. – P. 223–229.</mixed-citation>    </citation-alternatives> <element-citation publication-type="other">  <person-group person-group-type="author">  <name> <surname>Coleri</surname> <given-names>S.</given-names> </name>  </person-group>   <article-title>Channel Estimation Techniques Based on Pilot Arrangement in OFDM Systems</article-title> <source>IEEE Transactions on Broadcasting</source> <year>2002</year>  <issue>Vol. 48</issue>           </element-citation> </ref>  <ref id="ref3"> <label>3</label> <citation-alternatives>  <mixed-citation xml:lang="ru">3. Sun Y. A Joint Channel Estimation and Unequal Error Protection Scheme for Video Transmission in OFDM Systems / Y. Sun, X. Wang, K.J.R. Liu // IEEE International Conference on Image Processing. – Vol. 1. – NY: Rochester, 2002. –P. 549–552.</mixed-citation>    </citation-alternatives> <element-citation publication-type="other">  <person-group person-group-type="author">  <name> <surname>Sun</surname> <given-names>Y.</given-names> </name>  <name> <surname>Wang</surname> <given-names>X.</given-names> </name>  </person-group>   <article-title>A Joint Channel Estimation and Unequal Error Protection Scheme for Video Transmission in OFDM Systems</article-title> <source>IEEE International Conference on Image Processing</source>   <issue>Vol. 1</issue>           <publisher-loc>NY</publisher-loc> <publisher-name>Rochester</publisher-name>  </element-citation> </ref>  <ref id="ref4"> <label>4</label> <citation-alternatives>  <mixed-citation xml:lang="ru">4. Tang H. Interpolation-Based Maximum Likelihood Channel Estimation Using OFDM Pilot Symbols / H. Tang, K.Y. Lau, R.W. Brodersen // IEEE Global Communications Conference (Globecom). – Vol. 2. – Taipei, Taiwan, 2002. – P. 1860–1864.</mixed-citation>    </citation-alternatives> <element-citation publication-type="other">  <person-group person-group-type="author">  <name> <surname>Tang</surname> <given-names>H.</given-names> </name>  <name> <surname>Lau</surname> <given-names>K. Y.</given-names> </name>  <name> <surname>Brodersen</surname> <given-names>R. W.</given-names> </name>  </person-group>   <article-title>Interpolation-Based Maximum Likelihood Channel Estimation Using OFDM Pilot Symbols</article-title> <source>IEEE Global Communications Conference (Globecom)</source>   <issue>Vol. 2</issue>           <publisher-loc>Taiwan</publisher-loc> <publisher-name></publisher-name>  </element-citation> </ref>  <ref id="ref5"> <label>5</label> <citation-alternatives>  <mixed-citation xml:lang="ru">5. Yuanjin Z. A Novel Channel Estimation and Tracking Method for Wireless OFDM Systems Based on Pilots and Kalman Filtering / Z. Yuanjin // Transactions on Consumer Electronics. – 2003. – Vol. 49. – №2. – P. 275–283.</mixed-citation>    </citation-alternatives> <element-citation publication-type="other">  <person-group person-group-type="author">  <name> <surname>Yuanjin</surname> <given-names>Z.</given-names> </name>  </person-group>   <article-title>A Novel Channel Estimation and Tracking Method for Wireless OFDM Systems Based on Pilots and Kalman Filtering</article-title> <source>Transactions on Consumer Electronics</source> <year>2003</year>  <issue>Vol. 49</issue>           </element-citation> </ref>  </ref-list> </back>  </book>