Systematic t-Error Correcting/All Unidirectional Error Detecting Codes
IEEE Transactions on Computers
Theory and Design of t-Error Correcting and d(dt)-Unidirectional Error Detecting (t-EC d-UED) Codes
IEEE Transactions on Computers - Fault-Tolerant Computing
Theory and Design of t-Error Correcting/d-Error Detecting (d
IEEE Transactions on Computers
Theory of Information and Coding
Theory of Information and Coding
Construction of Systematic Codes for Unidirectional Error Control
IEEE Transactions on Computers
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Necessary and sufficient conditions are given for block codes to be capable of correcting up to t/sub 1/ symmetric errors, up to t/sub 2/ unidirectional errors, and up to t/sub 3/ asymmetric errors, as well as detecting from t/sub 1/+1 up to d/sub 1/ symmetric errors that are not of the unidirectional type, from t/sub 2/+1 up to d/sub 2/ unidirectional errors that are not of the asymmetric type, and from t/sub 3/+1 up to d/sub 3/ asymmetric errors. Many known conditions on block codes concerning error correction and/or detection appear as special cases of this general result. Further, some codes turn out to have stronger error correcting/detection capabilities than they were originally designed for.