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Use of the RS decoder as an RS encoder for two-way digital communications and storage systems

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3 Author(s)
C. C. Hsu ; Dept. of Electr. Eng., Univ. of Southern California, Los Angeles, CA, USA ; I. S. Reed ; T. K. Truong

It is shown that any Reed-Solomon (RS) decoder which corrects both errors and erasures also can be used as an encoder for the RS code. This technique eliminates the need of a separate subsystem, namely the RS encoder in either two-way digital communication systems or storage devices which use RS encoding and decoding. As a consequence a single RS decoder chip which corrects both errors and erasures can be mass-manufactured for use in all two-way communication systems and storage devices such as a digital video-cassette recorder (VCR) or a write-once, read-many, (WORM) optical disk drive

Published in:

IEEE Transactions on Circuits and Systems for Video Technology  (Volume:4 ,  Issue: 1 )