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Article: Robust subspace blind channel estimation for cyclic prefixed MIMO OFDM systems: Algorithm, identifiability and performance analysis
Title | Robust subspace blind channel estimation for cyclic prefixed MIMO OFDM systems: Algorithm, identifiability and performance analysis |
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Authors | |
Keywords | Asymptotical mean square error Blind channel estimation Cramér-Rao bound Cyclic prefix Identifiability MIMO OFDM Second order statistics Subspace method |
Issue Date | 2008 |
Publisher | IEEE. |
Citation | Ieee Journal On Selected Areas In Communications, 2008, v. 26 n. 2, p. 378-388 How to Cite? |
Abstract | A novel subspace (SS) based blind channel estimation method for multi-input, multi-output (MIMO) orthogonal frequency division multiplexing (OFDM) systems is proposed in this work. With an appropriate re-modulation on the received signal blocks, the SS method can be effectively applied to the cyclic prefix (CP) based MIMO-OFDM system when the number of the receive antennas is no less than the number of transmit antennas. These features show great compatibility with the coming fourth generation (4G) wireless communication standards as well as most existing single-input single-output (SISO) OFDM standards, thus allow the proposed algorithm to be conveniently integrated into practical applications. Compared with the traditional SS method, the proposed algorithm exhibits many advantages such as robustness to channel order overestimation, capability of guaranteeing the channel identifiability etc. Analytical expressions for the mean-square error (MSE) and the approximated Cramér-Rao bound (ACRB) of the proposed algorithm are derived in closed forms. Various numerical examples are conducted to corroborate the proposed studies. © 2008 IEEE. |
Persistent Identifier | http://hdl.handle.net/10722/57465 |
ISSN | 2021 Impact Factor: 13.081 2020 SCImago Journal Rankings: 2.986 |
ISI Accession Number ID | |
References |
DC Field | Value | Language |
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dc.contributor.author | Gao, F | en_HK |
dc.contributor.author | Zeng, Y | en_HK |
dc.contributor.author | Nallanathan, A | en_HK |
dc.contributor.author | Ng, TS | en_HK |
dc.date.accessioned | 2010-04-12T01:37:24Z | - |
dc.date.available | 2010-04-12T01:37:24Z | - |
dc.date.issued | 2008 | en_HK |
dc.identifier.citation | Ieee Journal On Selected Areas In Communications, 2008, v. 26 n. 2, p. 378-388 | en_HK |
dc.identifier.issn | 0733-8716 | en_HK |
dc.identifier.uri | http://hdl.handle.net/10722/57465 | - |
dc.description.abstract | A novel subspace (SS) based blind channel estimation method for multi-input, multi-output (MIMO) orthogonal frequency division multiplexing (OFDM) systems is proposed in this work. With an appropriate re-modulation on the received signal blocks, the SS method can be effectively applied to the cyclic prefix (CP) based MIMO-OFDM system when the number of the receive antennas is no less than the number of transmit antennas. These features show great compatibility with the coming fourth generation (4G) wireless communication standards as well as most existing single-input single-output (SISO) OFDM standards, thus allow the proposed algorithm to be conveniently integrated into practical applications. Compared with the traditional SS method, the proposed algorithm exhibits many advantages such as robustness to channel order overestimation, capability of guaranteeing the channel identifiability etc. Analytical expressions for the mean-square error (MSE) and the approximated Cramér-Rao bound (ACRB) of the proposed algorithm are derived in closed forms. Various numerical examples are conducted to corroborate the proposed studies. © 2008 IEEE. | en_HK |
dc.language | eng | en_HK |
dc.publisher | IEEE. | en_HK |
dc.relation.ispartof | IEEE Journal on Selected Areas in Communications | en_HK |
dc.rights | ©2008 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE. | - |
dc.subject | Asymptotical mean square error | en_HK |
dc.subject | Blind channel estimation | en_HK |
dc.subject | Cramér-Rao bound | en_HK |
dc.subject | Cyclic prefix | en_HK |
dc.subject | Identifiability | en_HK |
dc.subject | MIMO OFDM | en_HK |
dc.subject | Second order statistics | en_HK |
dc.subject | Subspace method | en_HK |
dc.title | Robust subspace blind channel estimation for cyclic prefixed MIMO OFDM systems: Algorithm, identifiability and performance analysis | en_HK |
dc.type | Article | en_HK |
dc.identifier.openurl | http://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0733-8716&volume=26&issue=2&spage=378&epage=388&date=2008&atitle=Robust+subspace+blind+channel+estimation+for+cyclic+prefixed+MIMO+OFDM+systems:+algorithm,+identifiability+and+performance+analysis | en_HK |
dc.identifier.email | Ng, TS:tsng@eee.hku.hk | en_HK |
dc.identifier.authority | Ng, TS=rp00159 | en_HK |
dc.description.nature | published_or_final_version | en_HK |
dc.identifier.doi | 10.1109/JSAC.2008.080214 | en_HK |
dc.identifier.scopus | eid_2-s2.0-38849093859 | en_HK |
dc.identifier.hkuros | 152272 | - |
dc.relation.references | http://www.scopus.com/mlt/select.url?eid=2-s2.0-38849093859&selection=ref&src=s&origin=recordpage | en_HK |
dc.identifier.volume | 26 | en_HK |
dc.identifier.issue | 2 | en_HK |
dc.identifier.spage | 378 | en_HK |
dc.identifier.epage | 388 | en_HK |
dc.identifier.isi | WOS:000252813500014 | - |
dc.publisher.place | United States | en_HK |
dc.identifier.scopusauthorid | Gao, F=11940803400 | en_HK |
dc.identifier.scopusauthorid | Zeng, Y=7402981440 | en_HK |
dc.identifier.scopusauthorid | Nallanathan, A=6603561059 | en_HK |
dc.identifier.scopusauthorid | Ng, TS=7402229975 | en_HK |
dc.identifier.issnl | 0733-8716 | - |