New receiver structures for subcarrier synchronization in OFDM systems over frequency-selective channels

In this paper, subcarrier synchronization techniques for OFDM systems are studied. These techniques are evaluated for frequency dispersive, frequency nondispersive, time varying, and time invariant channels. DVB-T parameters are taken as reference. It has been observed that one needs an effective su...

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Hauptverfasser:	Aniktar, H., Tanik, Y.
Format:	Tagungsbericht
Sprache:	eng
Schlagworte:	Computer simulation Degradation Digital video broadcasting Dispersion Frequency synchronization OFDM Phase estimation Phase locked loops System performance Time measurement
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creator	Aniktar, H. Tanik, Y.
description	In this paper, subcarrier synchronization techniques for OFDM systems are studied. These techniques are evaluated for frequency dispersive, frequency nondispersive, time varying, and time invariant channels. DVB-T parameters are taken as reference. It has been observed that one needs an effective subcarrier synchronization measure in order to combat degrading effects of dispersive, time varying channels. Because of this reason, we propose new receiver structures to solve synchronization problems for such channels. In the proposed receiver structure, PLL trackers for subcarriers synchronization are used. The PLL's are operated by using an expectation maximization (EM) based phase offset estimation algorithm. According to the performance evaluations made by computer simulations, the proposed receivers improve the system performance on a large scale.
doi_str_mv	10.1109/ISCC.2003.1214165
format	Conference Proceeding
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According to the performance evaluations made by computer simulations, the proposed receivers improve the system performance on a large scale.</description><subject>Computer simulation</subject><subject>Degradation</subject><subject>Digital video broadcasting</subject><subject>Dispersion</subject><subject>Frequency synchronization</subject><subject>OFDM</subject><subject>Phase estimation</subject><subject>Phase locked loops</subject><subject>System performance</subject><subject>Time measurement</subject><issn>1530-1346</issn><issn>2642-7389</issn><isbn>9780769519616</isbn><isbn>076951961X</isbn><fulltext>true</fulltext><rsrctype>conference_proceeding</rsrctype><creationdate>2003</creationdate><recordtype>conference_proceeding</recordtype><sourceid>6IE</sourceid><sourceid>RIE</sourceid><recordid>eNotkM1OwzAQhC1-JErpAyAufoEU_8SOfUSBQqVCD8C5crYb1ah1wE5A5elxRU-7O6Md6RtCrjmbcs7s7fy1rqeCMTnlgpdcqxMyEroURSWNPSUTWxlWaau41VyfkRFXkhVclvqCXKb0wRgzSlQjsnnBHxoR0H9jpKmPA_RDxETbLp9DAy5Gf3D2ATaxC_7X9b4L1Ae6nN0_Zz31uEu0O7y3Eb8GDLAvEm4R-pxJYeNCwG26Iuet2yacHOeYvM8e3uqnYrF8nNd3i8LzSvWFQ2sRGqWA5U2vmwynhJaVtQBaOG2N1SJztJAFswbjWl06NEY0aLCVY3Lzn-sRcfUZ_c7F_epYkvwD_ytcBA</recordid><startdate>2003</startdate><enddate>2003</enddate><creator>Aniktar, H.</creator><creator>Tanik, Y.</creator><general>IEEE</general><scope>6IE</scope><scope>6IL</scope><scope>CBEJK</scope><scope>RIE</scope><scope>RIL</scope></search><sort><creationdate>2003</creationdate><title>New receiver structures for subcarrier synchronization in OFDM systems over frequency-selective channels</title><author>Aniktar, H. ; Tanik, Y.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-i175t-ae99ecb55c0e996db1415263799cc62a698962346fc9cc8dc8af64ae882be8ef3</frbrgroupid><rsrctype>conference_proceedings</rsrctype><prefilter>conference_proceedings</prefilter><language>eng</language><creationdate>2003</creationdate><topic>Computer simulation</topic><topic>Degradation</topic><topic>Digital video broadcasting</topic><topic>Dispersion</topic><topic>Frequency synchronization</topic><topic>OFDM</topic><topic>Phase estimation</topic><topic>Phase locked loops</topic><topic>System performance</topic><topic>Time measurement</topic><toplevel>online_resources</toplevel><creatorcontrib>Aniktar, H.</creatorcontrib><creatorcontrib>Tanik, Y.</creatorcontrib><collection>IEEE Electronic Library (IEL) Conference Proceedings</collection><collection>IEEE Proceedings Order Plan All Online (POP All Online) 1998-present by volume</collection><collection>IEEE Xplore All Conference Proceedings</collection><collection>IEEE Electronic Library (IEL)</collection><collection>IEEE Proceedings Order Plans (POP All) 1998-Present</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Aniktar, H.</au><au>Tanik, Y.</au><format>book</format><genre>proceeding</genre><ristype>CONF</ristype><atitle>New receiver structures for subcarrier synchronization in OFDM systems over frequency-selective channels</atitle><btitle>Proceedings of the Eighth IEEE Symposium on Computers and Communications. ISCC 2003</btitle><stitle>ISCC</stitle><date>2003</date><risdate>2003</risdate><spage>486</spage><epage>491 vol.1</epage><pages>486-491 vol.1</pages><issn>1530-1346</issn><eissn>2642-7389</eissn><isbn>9780769519616</isbn><isbn>076951961X</isbn><abstract>In this paper, subcarrier synchronization techniques for OFDM systems are studied. These techniques are evaluated for frequency dispersive, frequency nondispersive, time varying, and time invariant channels. DVB-T parameters are taken as reference. It has been observed that one needs an effective subcarrier synchronization measure in order to combat degrading effects of dispersive, time varying channels. Because of this reason, we propose new receiver structures to solve synchronization problems for such channels. In the proposed receiver structure, PLL trackers for subcarriers synchronization are used. The PLL's are operated by using an expectation maximization (EM) based phase offset estimation algorithm. According to the performance evaluations made by computer simulations, the proposed receivers improve the system performance on a large scale.</abstract><pub>IEEE</pub><doi>10.1109/ISCC.2003.1214165</doi></addata></record>
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subjects	Computer simulation Degradation Digital video broadcasting Dispersion Frequency synchronization OFDM Phase estimation Phase locked loops System performance Time measurement
title	New receiver structures for subcarrier synchronization in OFDM systems over frequency-selective channels
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