NDLI: Analysis of nested CRC with additional net data by means of stochastic automata for safety-critical communication

Content Provider	IEEE Xplore Digital Library
Author	Schiller, F. Mattes, T.
Copyright Year	2008
Description	Author affiliation: Inst. of Inf. Technol. in Mech. Eng., Tech. Univ. Munchen, Garching (Schiller, F.; Mattes, T.)
Abstract	Cyclic Redundancy Check (CRC) is an approved coding method for error detection. It ensures a low probability of undetected errors, i.e. a low residual error probability, and is easy to implement. In industrial fieldbus systems, communication is usually executed through different layers. Each layer may have its specific check such that a nesting of checks exists. At present, this nesting is not included in the safety proof of systems. Hence, additional effort is made to achieve the required degree of safety which was probably on hand but could not be proven. The paper presents a method to involve the nesting in the calculation of the residual error probability by means of stochastic automata. This method helps to reduce the number of worst case assumptions in the overall safety proof and finally to reduce the necessary on-line efforts like the number of parity bits.
Starting Page	295
Ending Page	304
File Size	564012
Page Count	10
File Format	PDF
ISBN	9781424423491
DOI	10.1109/WFCS.2008.4638714
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-05-21
Publisher Place	Germany
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Content Type	Text
Resource Type	Article

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Analysis of nested CRC with additional net data by means of stochastic automata for safety-critical communication