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      • Department of Electrical and Electronics Engineering
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      Noise enhanced detection in multiple-access environments

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      Author
      Bayram, Suat
      Gezici, Sinan
      Date
      2009
      Source Title
      Proceedings of the IEEE 17th Signal Processing and Communications Applications Conference, SIU 2009
      Publisher
      IEEE
      Pages
      924 - 927
      Language
      Turkish
      Type
      Conference Paper
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      Abstract
      Under certain conditions, addition of noise can enhance performance of suboptimal detectors, which is called the stochastic resonance (SR) effect. In this paper, the effects of SR are investigated for conventional detectors in the presence of multiple-access interference. First, conditions under which probability of error performance of the detector can or cannot be improved are obtained. Then, performance of noise enhanced detectors are analyzed, and an upper bound on the amount of performance improvement that can be obtained via SR is derived. Numerical examples are presented to support the theoretical analysis.
      Keywords
      Conventional detectors
      Enhanced detectors
      Noise-enhanced detection
      Performance improvements
      Probability of errors
      Stochastic resonances
      Upper bound
      Detectors
      Signal processing
      Multiple access interference
      Permalink
      http://hdl.handle.net/11693/28716
      Published Version (Please cite this version)
      http://dx.doi.org/10.1109/SIU.2009.5136548
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      • Department of Electrical and Electronics Engineering 3524
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