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      On the improvability and nonimprovability of detection via additional independent noise

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      Author
      Bayram, S.
      Gezici, S.
      Date
      2009-07-28
      Journal Title
      IEEE Signal Processing Letters
      ISSN
      1070-9908
      Publisher
      IEEE
      Volume
      16
      Issue
      11
      Pages
      1001 - 1004
      Language
      English
      Type
      Article
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      Please cite this item using this persistent URL
      http://hdl.handle.net/11693/11946
      Abstract
      Addition of independent noise to measurements can improve performance of some suboptimal detectors under certain conditions. In this letter, sufficient conditions under which the performance of a suboptimal detector cannot be enhanced by additional independent noise are derived according to the Neyman–Pearson criterion. Also, sufficient conditions are obtained to specify when the detector performance can be improved. In addition to a generic condition, various explicit sufficient conditions are proposed for easy evaluation of improvability. Finally, a numerical example is presented and the practicality of the proposed conditions is discussed.
      Published as
      http://dx.doi.org/10.1109/LSP.2009.2028418
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      • Department of Electrical and Electronics Engineering 2963

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