On the Theory of Unidirectional Error Correcting/Detecting Codes.
SOUTHERN METHODIST UNIV DALLAS TX DEPT OF COMPUTER SCIENCE
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Some basic theory on unidirectional error i.e. all bits fail in the same direction correctiondetection are presented for binary block codes. Then a new class of codes are constructed which corrects single errors and detects any number of multiple unidirectional errors. Some codes are shown which hither-to-fore known to possess only symmetric error detectioncorrection properties which can be modified to make them suitable for unidirectional error correctiondetection.