Improved Blind Channel Estimation for OFDM Systems
In this paper, we propose an improved blind channel estimation scheme for single-input single-output (SISO) orthogonal frequency-division multiplexing (OFDM) systems. In the proposed scheme, a modified cross-correlation matrix is obtained by dividing, element-wise, the cross-correlation matrix by th...
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creator | Bangwon Seo Hyun Kyu Chung |
description | In this paper, we propose an improved blind channel estimation scheme for single-input single-output (SISO) orthogonal frequency-division multiplexing (OFDM) systems. In the proposed scheme, a modified cross-correlation matrix is obtained by dividing, element-wise, the cross-correlation matrix by the preceding matrix and then the channel vector is estimated by applying the principal eigenvector method to the modified cross-correlation matrix. The principal eigenvector is obtained by the power method with low complexity instead of the complicated eigenvalue decomposition. Simulation results show that the channel estimation and bit error rate (BER) performance of the proposed scheme is superior to that of the conventional preceding-assisted blind channel estimation scheme. |
doi_str_mv | 10.1109/ICCE.2008.4587881 |
format | Conference Proceeding |
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In the proposed scheme, a modified cross-correlation matrix is obtained by dividing, element-wise, the cross-correlation matrix by the preceding matrix and then the channel vector is estimated by applying the principal eigenvector method to the modified cross-correlation matrix. The principal eigenvector is obtained by the power method with low complexity instead of the complicated eigenvalue decomposition. Simulation results show that the channel estimation and bit error rate (BER) performance of the proposed scheme is superior to that of the conventional preceding-assisted blind channel estimation scheme.</description><identifier>ISSN: 2158-3994</identifier><identifier>ISBN: 142441458X</identifier><identifier>ISBN: 9781424414581</identifier><identifier>EISSN: 2158-4001</identifier><identifier>EISBN: 1424414598</identifier><identifier>EISBN: 9781424414598</identifier><identifier>DOI: 10.1109/ICCE.2008.4587881</identifier><identifier>LCCN: 84-643147</identifier><language>eng</language><publisher>IEEE</publisher><subject>AWGN ; Bit error rate ; Blind equalizers ; Channel estimation ; Covariance matrix ; Eigenvalues and eigenfunctions ; Frequency division multiplexing ; Matrix converters ; Matrix decomposition ; OFDM</subject><ispartof>2008 Digest of Technical Papers - International Conference on Consumer Electronics, 2008, p.1-2</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/4587881$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>309,310,780,784,789,790,2058,27925,54920</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/4587881$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Bangwon Seo</creatorcontrib><creatorcontrib>Hyun Kyu Chung</creatorcontrib><title>Improved Blind Channel Estimation for OFDM Systems</title><title>2008 Digest of Technical Papers - International Conference on Consumer Electronics</title><addtitle>ICCE</addtitle><description>In this paper, we propose an improved blind channel estimation scheme for single-input single-output (SISO) orthogonal frequency-division multiplexing (OFDM) systems. In the proposed scheme, a modified cross-correlation matrix is obtained by dividing, element-wise, the cross-correlation matrix by the preceding matrix and then the channel vector is estimated by applying the principal eigenvector method to the modified cross-correlation matrix. The principal eigenvector is obtained by the power method with low complexity instead of the complicated eigenvalue decomposition. Simulation results show that the channel estimation and bit error rate (BER) performance of the proposed scheme is superior to that of the conventional preceding-assisted blind channel estimation scheme.</description><subject>AWGN</subject><subject>Bit error rate</subject><subject>Blind equalizers</subject><subject>Channel estimation</subject><subject>Covariance matrix</subject><subject>Eigenvalues and eigenfunctions</subject><subject>Frequency division multiplexing</subject><subject>Matrix converters</subject><subject>Matrix decomposition</subject><subject>OFDM</subject><issn>2158-3994</issn><issn>2158-4001</issn><isbn>142441458X</isbn><isbn>9781424414581</isbn><isbn>1424414598</isbn><isbn>9781424414598</isbn><fulltext>true</fulltext><rsrctype>conference_proceeding</rsrctype><creationdate>2008</creationdate><recordtype>conference_proceeding</recordtype><sourceid>6IE</sourceid><sourceid>RIE</sourceid><recordid>eNpFkEtLw0AUhcdHwVj7A8RN_kDincyd11LTVAOVLuzCXRk7dzCSR0mC0H9vwIBncxYfHM45jN1zSDkH-1jmeZFmACZFabQx_ILdcswQOUprLlmUcWkSBOBX_8B8XM9AWIsLFhlMFAqO-oathuEbJqEUSqmIZWVz6rsf8vFzXbU-zr9c21IdF8NYNW6sujYOXR_vNuu3-P08jNQMd2wRXD3QavYl22-Kff6abHcvZf60TSoLY6I_hbaglT-i5oYHBC2DsI5CoEx7R9ICOqsFeRIK_VFjyFwAIBGmoV4s2cNfbEVEh1M_1enPh_kG8Qv0KUmL</recordid><startdate>200801</startdate><enddate>200801</enddate><creator>Bangwon Seo</creator><creator>Hyun Kyu Chung</creator><general>IEEE</general><scope>6IE</scope><scope>6IH</scope><scope>CBEJK</scope><scope>RIE</scope><scope>RIO</scope></search><sort><creationdate>200801</creationdate><title>Improved Blind Channel Estimation for OFDM Systems</title><author>Bangwon Seo ; Hyun Kyu Chung</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-i90t-7b379076dc47181f4075f39aeffe27dae5904a973ede364dc74f2af00e3f788d3</frbrgroupid><rsrctype>conference_proceedings</rsrctype><prefilter>conference_proceedings</prefilter><language>eng</language><creationdate>2008</creationdate><topic>AWGN</topic><topic>Bit error rate</topic><topic>Blind equalizers</topic><topic>Channel estimation</topic><topic>Covariance matrix</topic><topic>Eigenvalues and eigenfunctions</topic><topic>Frequency division multiplexing</topic><topic>Matrix converters</topic><topic>Matrix decomposition</topic><topic>OFDM</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Bangwon Seo</creatorcontrib><creatorcontrib>Hyun Kyu Chung</creatorcontrib><collection>IEEE Electronic Library (IEL) Conference Proceedings</collection><collection>IEEE Proceedings Order Plan (POP) 1998-present by volume</collection><collection>IEEE Xplore All Conference Proceedings</collection><collection>IEEE Electronic Library (IEL)</collection><collection>IEEE Proceedings Order Plans (POP) 1998-present</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Bangwon Seo</au><au>Hyun Kyu Chung</au><format>book</format><genre>proceeding</genre><ristype>CONF</ristype><atitle>Improved Blind Channel Estimation for OFDM Systems</atitle><btitle>2008 Digest of Technical Papers - International Conference on Consumer Electronics</btitle><stitle>ICCE</stitle><date>2008-01</date><risdate>2008</risdate><spage>1</spage><epage>2</epage><pages>1-2</pages><issn>2158-3994</issn><eissn>2158-4001</eissn><isbn>142441458X</isbn><isbn>9781424414581</isbn><eisbn>1424414598</eisbn><eisbn>9781424414598</eisbn><abstract>In this paper, we propose an improved blind channel estimation scheme for single-input single-output (SISO) orthogonal frequency-division multiplexing (OFDM) systems. In the proposed scheme, a modified cross-correlation matrix is obtained by dividing, element-wise, the cross-correlation matrix by the preceding matrix and then the channel vector is estimated by applying the principal eigenvector method to the modified cross-correlation matrix. The principal eigenvector is obtained by the power method with low complexity instead of the complicated eigenvalue decomposition. Simulation results show that the channel estimation and bit error rate (BER) performance of the proposed scheme is superior to that of the conventional preceding-assisted blind channel estimation scheme.</abstract><pub>IEEE</pub><doi>10.1109/ICCE.2008.4587881</doi><tpages>2</tpages></addata></record> |
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subjects | AWGN Bit error rate Blind equalizers Channel estimation Covariance matrix Eigenvalues and eigenfunctions Frequency division multiplexing Matrix converters Matrix decomposition OFDM |
title | Improved Blind Channel Estimation for OFDM Systems |
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