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      • Department of Electrical and Electronics Engineering
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      Stochastic signaling under second and fourth moment constraints

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      Author
      Göken, Çağrı
      Gezici, Sinan
      Arıkan, Orhan
      Date
      2010
      Source Title
      2010 IEEE 11th International Workshop on Signal Processing Advances in Wireless Communications (SPAWC)
      Publisher
      IEEE
      Language
      English
      Type
      Conference Paper
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      Abstract
      Stochastic signaling is investigated under second and fourth moment constraints for the detection of scalar-valued binary signals in additive noise channels. Sufficient conditions are derived to determine when the use of stochastic signals instead of deterministic ones can or cannot enhance the error performance of a given binary communications system. Also, a convex relaxation approach is employed to obtain approximate solutions of the optimal stochastic signaling problem. Finally, numerical examples are presented, and extensions of the results to M-ary communications systems and to other criteria than the average probability of error are discussed.
      Keywords
      Average probability of error
      Binary signals
      Communications systems
      Convex relaxation
      Error performance
      Moment constraints
      Numerical example
      Probability of error
      Stochastic signaling
      Stochastic signals
      Sufficient conditions
      Additive noise
      Optimization
      Probability
      Relaxation processes
      Signal processing
      Signaling
      Stochastic systems
      Wireless telecommunication systems
      Permalink
      http://hdl.handle.net/11693/28445
      Published Version (Please cite this version)
      http://dx.doi.org/10.1109/SPAWC.2010.5671070
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      • Department of Electrical and Electronics Engineering 3524
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