The usage of stochastic processes in embedded system specifications

  • Authors:
  • Axel Jantsch;Ingo Sander;Wenbiao Wu

  • Affiliations:
  • Royal Institute of Technology, Stockholm, Sweden;Royal Institute of Technology, Stockholm, Sweden;Royal Institute of Technology, Stockholm, Sweden

  • Venue:
  • Proceedings of the ninth international symposium on Hardware/software codesign
  • Year:
  • 2001

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Abstract

We review the use of nondeterminism and identify two different purposes. The descriptive purpose handles uncertainties in the behaviour of existing entities. The constraining purpose is used in specifications to constrain implementations. For the specification of embedded systems we suggest a stochastic processor instead of nondeterminism. It serves mostly the descriptive purpose but can also be used to constrain the system. We carefully distinguish different interpretations of these concepts by the different design activities simulation, synhesis and verification.