DC Field | Value | Language |
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dc.contributor.author | Kim, HM | - |
dc.contributor.author | Kim, DS | - |
dc.contributor.author | Kim, TK | - |
dc.contributor.author | Im, GH | - |
dc.date.accessioned | 2016-03-31T07:56:54Z | - |
dc.date.available | 2016-03-31T07:56:54Z | - |
dc.date.created | 2015-02-02 | - |
dc.date.issued | 2014-08 | - |
dc.identifier.issn | 1229-2370 | - |
dc.identifier.other | 2014-OAK-0000030822 | - |
dc.identifier.uri | https://oasis.postech.ac.kr/handle/2014.oak/14224 | - |
dc.description.abstract | In this paper, we investigate the frequency domain channel estimation for multiple-input multiple-output (MIMO) single-carrier frequency-division multiple-access (SC-FDMA) systems. In MIMO SC-FDMA, code-division multiplexed (CDM) pilots such as cyclic-shifted Zadoff-Chu sequences have been adopted for channel estimation. However, most frequency domain channel estimation schemes were developed based on frequency-division multiplexing of pilots. We first develop a channel estimation error model by using CDM pilots, and then analyze the mean-square error (MSE) of various minimum MSE (MMSE) frequency domain channel estimation techniques. We show that the cascaded one-dimensional robust MMSE (C1D-RMMSE) technique is complexity-efficient, but it suffers from performance degradation due to the channel correlation mismatch when compared to the two-dimensional MMSE (2D-MMSE) technique. To improve the performance of C1D-RMMSE, we design a robust iterative channel estimation (RITCE) with a frequency replacement (FR) algorithm. After deriving the MSE of iterative channel estimation, we optimize the FR algorithm in terms of the MSE. Then, a low-complexity adaptation method is proposed for practical MIMO SC-FDMA systems, wherein FR is performed according to the reliability of the data estimates. Simulation results show that the proposed RITCE technique effectively improves the performance of C1D-RMMSE, thus providing a better performance-complexity tradeoff than 2D-MMSE. | - |
dc.description.statementofresponsibility | X | - |
dc.language | English | - |
dc.publisher | KOREAN INST COMMUNICATIONS SCIENCES (K I C S) | - |
dc.relation.isPartOf | JOURNAL OF COMMUNICATIONS AND NETWORKS | - |
dc.title | Frequency Domain Channel Estimation for MIMO SC-FDMA Systems with CDM Pilots | - |
dc.type | Article | - |
dc.contributor.college | 전자전기공학과 | - |
dc.identifier.doi | 10.1109/JCN.2014.000075 | - |
dc.author.google | Kim, HM | - |
dc.author.google | Kim, DS | - |
dc.author.google | Kim, TK | - |
dc.author.google | Im, GH | - |
dc.relation.volume | 16 | - |
dc.relation.issue | 4 | - |
dc.relation.startpage | 447 | - |
dc.relation.lastpage | 457 | - |
dc.contributor.id | 10054306 | - |
dc.relation.journal | JOURNAL OF COMMUNICATIONS AND NETWORKS | - |
dc.relation.index | SCI급, SCOPUS 등재논문 | - |
dc.relation.sci | SCI | - |
dc.collections.name | Journal Papers | - |
dc.type.rims | ART | - |
dc.identifier.bibliographicCitation | JOURNAL OF COMMUNICATIONS AND NETWORKS, v.16, no.4, pp.447 - 457 | - |
dc.identifier.wosid | 000342279100012 | - |
dc.date.tcdate | 2019-01-01 | - |
dc.citation.endPage | 457 | - |
dc.citation.number | 4 | - |
dc.citation.startPage | 447 | - |
dc.citation.title | JOURNAL OF COMMUNICATIONS AND NETWORKS | - |
dc.citation.volume | 16 | - |
dc.contributor.affiliatedAuthor | Im, GH | - |
dc.identifier.scopusid | 2-s2.0-84907224758 | - |
dc.description.journalClass | 1 | - |
dc.description.journalClass | 1 | - |
dc.description.wostc | 3 | - |
dc.description.scptc | 5 | * |
dc.date.scptcdate | 2018-05-121 | * |
dc.type.docType | Article | - |
dc.subject.keywordPlus | ITERATIVE MULTIUSER DETECTION | - |
dc.subject.keywordPlus | SINGLE-CARRIER TRANSMISSION | - |
dc.subject.keywordPlus | OFDM SYSTEMS | - |
dc.subject.keywordPlus | FADING CHANNELS | - |
dc.subject.keywordPlus | EQUALIZATION | - |
dc.subject.keywordPlus | FDE | - |
dc.subject.keywordAuthor | Channel estimation | - |
dc.subject.keywordAuthor | code-division multiplexed pilots | - |
dc.subject.keywordAuthor | frequency replacement (FR) | - |
dc.subject.keywordAuthor | multiple-input multiple-output (MIMO) | - |
dc.subject.keywordAuthor | single-carrier frequency division multiple access (SC-FDMA) | - |
dc.relation.journalWebOfScienceCategory | Computer Science, Information Systems | - |
dc.relation.journalWebOfScienceCategory | Telecommunications | - |
dc.description.journalRegisteredClass | scie | - |
dc.description.journalRegisteredClass | scopus | - |
dc.description.journalRegisteredClass | kci | - |
dc.relation.journalResearchArea | Computer Science | - |
dc.relation.journalResearchArea | Telecommunications | - |
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