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Issue No.05 - May (1972 vol.21)
pp: 492-495
D. Mandelbaum , Avionics Laboratory, U. S. Army Electronics Command
ABSTRACT
It is shown that if a machine M con be mapped into a simpler machine M' by a homomorphism, then an error correcting/detecting code can be applied to the states of M such that the parity check bits are generated independently of the information bits that form the state assignment of M. If such a homomorphism does not exist, it is shown how to produce one by altering M if M consists entirely of loops as is the case with a digital computer. The method presented here is a generalization to sequential machines of the separate adder and checker concept used for checking addition. Methods of coding are given. Application to computers is given.
INDEX TERMS
Error correction, error detection, fault diagnosis, sequential machines, state homomorphisms.
CITATION
D. Mandelbaum, "On Error Control in Sequential Machines", IEEE Transactions on Computers, vol.21, no. 5, pp. 492-495, May 1972, doi:10.1109/T-C.1972.223547
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