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Issue No.02 - March/April (1987 vol.4)

pp: 39-45

T.W. Williams , IBM Boulder

W. Daehn , Universitaet Hannover, FRG

M. Gruetzner , Universitaet Hannover, FRG

C.W. Starke , IBM Boeblingen, FRG

ABSTRACT

The authors discuss aliasing errors in signature analysis registers for self-testing networks and review analytical results.The results show that when p, the probability that an error will occur at a network output, is close to 1/2, there is a boundof the aliasing error. The analysis uses a graph to represent the probability of transition, the Markov process, and z-transformsto analyze the behavior of the signature analysis register. For very small p(p?0) and very large p(p?1), the aliasing errorsolution for primitive polynomials is a series of terms (1-?)n in magnitude (where n is the number of random patterns beingapplied to the network or the length of the network output sequence). As compared with nonprimitive polynomials, whose solutionis n(1-?)n or n2(1-?)n, in general primitive polynomials are much better with respect to aliasing. Simulation results areshown for aliasing errors for these polynomials, which give insight as to how aliasing occurs.

INDEX TERMS

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CITATION

T.W. Williams, W. Daehn, M. Gruetzner, C.W. Starke, "Aliasing Errors in Signature in Analysis Registers",

*IEEE Design & Test of Computers*, vol.4, no. 2, pp. 39-45, March/April 1987, doi:10.1109/MDT.1987.295105