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Precoder Design for Multiuser MISO Systems Exploiting Statistical and Outdated CSIT

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Název: Precoder Design for Multiuser MISO Systems Exploiting Statistical and Outdated CSIT
Autoři: Wang, J., Matthaiou, Michail, 1981, Jin, S., Gao, X.
Zdroj: IEEE Transactions on Communications. 61(11):4551-4564
Témata: Broadcast channel, precoding, CORRELATED MIMO CHANNELS, ERGODIC CAPACITY, LIMITED, DIAGONALIZATION, correlation, ANTENNA SYSTEMS, FREEDOM, TRANSMISSION, multiple-input single-output (MISO), outdated channel state information (CSI), DIRTY-PAPER, BROADCAST CHANNELS, FEEDBACK, MODEL
Popis: We propose a multiuser downlink transmission scheme exploiting both statistical and outdated channel state information (CSI) at the transmitter. Based on the outdated CSI-aided transmission scheme introduced in [1] (denoted as MAT), the proposed scheme reduces the original K-user MAT system to a two-user virtual MAT system, through statistical precoding in the first two transmission slots. Thus, the proposed scheme (denoted as V-MAT) reduces efficiently the implementation complexity, while increasing the achievable rate at finite signal-to-noise ratios (SNRs). For the V-MAT scheme, we derive an analytical high SNR rate approximation for correlated Rayleigh fading. Furthermore, for independent and identically distributed Rayleigh fading, we derive an exact rate expression at high SNRs, as well as a tight lower bound which applies for arbitrary SNRs. Then, precoder design is investigated, where an efficient near-optimal solution is proposed for arbitrary number of transmit antennas, and a closed-form optimal solution is derived for the two-antenna case. It is demonstrated that the proposed V-MAT scheme yields higher achievable rate than the original MAT scheme at practical SNRs. Moreover, by combining the V-MAT scheme and the generalized MAT scheme of [2], where precoding is implemented in the third transmission slot, the achievable rate can be further increased.
Přístupová URL adresa: https://research.chalmers.se/publication/195344
Databáze: SwePub
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Items – Name: Title
  Label: Title
  Group: Ti
  Data: Precoder Design for Multiuser MISO Systems Exploiting Statistical and Outdated CSIT
– Name: Author
  Label: Authors
  Group: Au
  Data: <searchLink fieldCode="AR" term="%22Wang%2C+J%2E%22">Wang, J.</searchLink><br /><searchLink fieldCode="AR" term="%22Matthaiou%2C+Michail%22">Matthaiou, Michail</searchLink>, 1981<br /><searchLink fieldCode="AR" term="%22Jin%2C+S%2E%22">Jin, S.</searchLink><br /><searchLink fieldCode="AR" term="%22Gao%2C+X%2E%22">Gao, X.</searchLink>
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  Data: <i>IEEE Transactions on Communications</i>. 61(11):4551-4564
– Name: Subject
  Label: Subject Terms
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  Data: <searchLink fieldCode="DE" term="%22Broadcast+channel%22">Broadcast channel</searchLink><br /><searchLink fieldCode="DE" term="%22precoding%22">precoding</searchLink><br /><searchLink fieldCode="DE" term="%22CORRELATED+MIMO+CHANNELS%22">CORRELATED MIMO CHANNELS</searchLink><br /><searchLink fieldCode="DE" term="%22ERGODIC+CAPACITY%22">ERGODIC CAPACITY</searchLink><br /><searchLink fieldCode="DE" term="%22LIMITED%22">LIMITED</searchLink><br /><searchLink fieldCode="DE" term="%22DIAGONALIZATION%22">DIAGONALIZATION</searchLink><br /><searchLink fieldCode="DE" term="%22correlation%22">correlation</searchLink><br /><searchLink fieldCode="DE" term="%22ANTENNA+SYSTEMS%22">ANTENNA SYSTEMS</searchLink><br /><searchLink fieldCode="DE" term="%22FREEDOM%22">FREEDOM</searchLink><br /><searchLink fieldCode="DE" term="%22TRANSMISSION%22">TRANSMISSION</searchLink><br /><searchLink fieldCode="DE" term="%22multiple-input+single-output+%28MISO%29%22">multiple-input single-output (MISO)</searchLink><br /><searchLink fieldCode="DE" term="%22outdated+channel+state+information+%28CSI%29%22">outdated channel state information (CSI)</searchLink><br /><searchLink fieldCode="DE" term="%22DIRTY-PAPER%22">DIRTY-PAPER</searchLink><br /><searchLink fieldCode="DE" term="%22BROADCAST+CHANNELS%22">BROADCAST CHANNELS</searchLink><br /><searchLink fieldCode="DE" term="%22FEEDBACK%22">FEEDBACK</searchLink><br /><searchLink fieldCode="DE" term="%22MODEL%22">MODEL</searchLink>
– Name: Abstract
  Label: Description
  Group: Ab
  Data: We propose a multiuser downlink transmission scheme exploiting both statistical and outdated channel state information (CSI) at the transmitter. Based on the outdated CSI-aided transmission scheme introduced in [1] (denoted as MAT), the proposed scheme reduces the original K-user MAT system to a two-user virtual MAT system, through statistical precoding in the first two transmission slots. Thus, the proposed scheme (denoted as V-MAT) reduces efficiently the implementation complexity, while increasing the achievable rate at finite signal-to-noise ratios (SNRs). For the V-MAT scheme, we derive an analytical high SNR rate approximation for correlated Rayleigh fading. Furthermore, for independent and identically distributed Rayleigh fading, we derive an exact rate expression at high SNRs, as well as a tight lower bound which applies for arbitrary SNRs. Then, precoder design is investigated, where an efficient near-optimal solution is proposed for arbitrary number of transmit antennas, and a closed-form optimal solution is derived for the two-antenna case. It is demonstrated that the proposed V-MAT scheme yields higher achievable rate than the original MAT scheme at practical SNRs. Moreover, by combining the V-MAT scheme and the generalized MAT scheme of [2], where precoding is implemented in the third transmission slot, the achievable rate can be further increased.
– Name: URL
  Label: Access URL
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  Data: <link linkTarget="URL" linkTerm="https://research.chalmers.se/publication/195344" linkWindow="_blank">https://research.chalmers.se/publication/195344</link>
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RecordInfo BibRecord:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.1109/tcomm.2013.091813.120874
    Languages:
      – Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 14
        StartPage: 4551
    Subjects:
      – SubjectFull: Broadcast channel
        Type: general
      – SubjectFull: precoding
        Type: general
      – SubjectFull: CORRELATED MIMO CHANNELS
        Type: general
      – SubjectFull: ERGODIC CAPACITY
        Type: general
      – SubjectFull: LIMITED
        Type: general
      – SubjectFull: DIAGONALIZATION
        Type: general
      – SubjectFull: correlation
        Type: general
      – SubjectFull: ANTENNA SYSTEMS
        Type: general
      – SubjectFull: FREEDOM
        Type: general
      – SubjectFull: TRANSMISSION
        Type: general
      – SubjectFull: multiple-input single-output (MISO)
        Type: general
      – SubjectFull: outdated channel state information (CSI)
        Type: general
      – SubjectFull: DIRTY-PAPER
        Type: general
      – SubjectFull: BROADCAST CHANNELS
        Type: general
      – SubjectFull: FEEDBACK
        Type: general
      – SubjectFull: MODEL
        Type: general
    Titles:
      – TitleFull: Precoder Design for Multiuser MISO Systems Exploiting Statistical and Outdated CSIT
        Type: main
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          Name:
            NameFull: Wang, J.
      – PersonEntity:
          Name:
            NameFull: Matthaiou, Michail
      – PersonEntity:
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            NameFull: Jin, S.
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            NameFull: Gao, X.
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          Dates:
            – D: 01
              M: 01
              Type: published
              Y: 2013
          Identifiers:
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              Value: 00906778
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            – Type: volume
              Value: 61
            – Type: issue
              Value: 11
          Titles:
            – TitleFull: IEEE Transactions on Communications
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