Reducing the Number of Sequential Diagnosis Iterations in Hypercubes

  • Authors:
  • Paolo Santi;Stefano Chessa

  • Affiliations:
  • -;-

  • Venue:
  • IEEE Transactions on Computers
  • Year:
  • 2004

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Abstract

Abstract--In this note, we use a vertex-isoperimetric inequality to show that the number of test and repair iterations needed to perform sequential diagnosis of d-dimensional hypercubes is upper bounded by d-r, where r\in\Theta(d). This result improves the best bound of d test and repair iterations previously known. Numerical evaluation has shown that the actual value of r ranges from 0.16d to 0.31d.