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Any-time probabilistic switching model using Bayesian networks

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2 Author(s)
Ramani, S.S. ; Dept. of Electr. Eng., Univ. of South Florida, Tampa, FL, USA ; Bhanja, S.

Modeling and estimation of switching activities remain to be important problems in low-power design and fault analysis. A probabilistic Bayesian network based switching model can explicitly model all spatio-temporal dependency relationships in a combinational circuit, resulting in zero-error estimates. However, the space-time requirements of exact estimation schemes, based on this model, increase with circuit complexity. This paper explores a non-simulative, importance sampling based, probabilistic estimation strategy that scales well with circuit complexity. It has the any-time aspect of simulation and the input pattern independence of probabilistic models.

Published in:

Low Power Electronics and Design, 2004. ISLPED '04. Proceedings of the 2004 International Symposium on

Date of Conference:

9-11 Aug. 2004