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Cooperative Precoding and Artificial Noise Design for Security over Interference Channels

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Titel: Cooperative Precoding and Artificial Noise Design for Security over Interference Channels
Autoren: Ozcelikkale, Ayca, 1982, Duman, T. M.
Quelle: IEEE Signal Processing Letters. 22(12):2234-2238
Schlagwörter: MMSE, QoS constraints, multi-terminal, multiple-antenna, Beamforming, multi-user, linear precoder, security, secrecy, cooperative strategies, mean-square error, jamming
Beschreibung: We focus on linear precoding strategies as a physical layer technique for providing security in Gaussian interference channels. We consider an artificial noise aided scheme where transmitters may broadcast noise in addition to data in order to confuse eavesdroppers. We formulate the problem of minimizing the total mean-square error at the legitimate receivers while keeping the error values at the eavesdroppers above target levels. This set-up leads to a non-convex problem formulation. Hence, we propose a coordinate block descent technique based on a tight semi-definite relaxation and design linear precoders as well as spatial distribution of the artificial noise. Our results illustrate that artificial noise can provide significant performance gains especially when the secrecy levels required at the eavesdroppers are demanding.
Dateibeschreibung: electronic
Zugangs-URL: https://research.chalmers.se/publication/223283
http://publications.lib.chalmers.se/records/fulltext/223283/local_223283.pdf
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  Data: Cooperative Precoding and Artificial Noise Design for Security over Interference Channels
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  Data: <searchLink fieldCode="AR" term="%22Ozcelikkale%2C+Ayca%22">Ozcelikkale, Ayca</searchLink>, 1982<br /><searchLink fieldCode="AR" term="%22Duman%2C+T%2E+M%2E%22">Duman, T. M.</searchLink>
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  Data: <i>IEEE Signal Processing Letters</i>. 22(12):2234-2238
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  Data: <searchLink fieldCode="DE" term="%22MMSE%22">MMSE</searchLink><br /><searchLink fieldCode="DE" term="%22QoS+constraints%22">QoS constraints</searchLink><br /><searchLink fieldCode="DE" term="%22multi-terminal%22">multi-terminal</searchLink><br /><searchLink fieldCode="DE" term="%22multiple-antenna%22">multiple-antenna</searchLink><br /><searchLink fieldCode="DE" term="%22Beamforming%22">Beamforming</searchLink><br /><searchLink fieldCode="DE" term="%22multi-user%22">multi-user</searchLink><br /><searchLink fieldCode="DE" term="%22linear+precoder%22">linear precoder</searchLink><br /><searchLink fieldCode="DE" term="%22security%22">security</searchLink><br /><searchLink fieldCode="DE" term="%22secrecy%22">secrecy</searchLink><br /><searchLink fieldCode="DE" term="%22cooperative+strategies%22">cooperative strategies</searchLink><br /><searchLink fieldCode="DE" term="%22mean-square+error%22">mean-square error</searchLink><br /><searchLink fieldCode="DE" term="%22jamming%22">jamming</searchLink>
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  Label: Description
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  Data: We focus on linear precoding strategies as a physical layer technique for providing security in Gaussian interference channels. We consider an artificial noise aided scheme where transmitters may broadcast noise in addition to data in order to confuse eavesdroppers. We formulate the problem of minimizing the total mean-square error at the legitimate receivers while keeping the error values at the eavesdroppers above target levels. This set-up leads to a non-convex problem formulation. Hence, we propose a coordinate block descent technique based on a tight semi-definite relaxation and design linear precoders as well as spatial distribution of the artificial noise. Our results illustrate that artificial noise can provide significant performance gains especially when the secrecy levels required at the eavesdroppers are demanding.
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        Value: 10.1109/LSP.2015.2472275
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        PageCount: 5
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      – SubjectFull: MMSE
        Type: general
      – SubjectFull: QoS constraints
        Type: general
      – SubjectFull: multi-terminal
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      – SubjectFull: cooperative strategies
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      – SubjectFull: mean-square error
        Type: general
      – SubjectFull: jamming
        Type: general
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      – TitleFull: Cooperative Precoding and Artificial Noise Design for Security over Interference Channels
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            NameFull: Duman, T. M.
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              Type: published
              Y: 2015
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