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An area-efficient VLSI architecture of a Reed-Solomon decoder/encoder for digital VCRs

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2 Author(s)
Sunghoon Kwon ; Dept. of Electr. Eng., Hanyang Univ., Seoul, South Korea ; Hyunchul Shin

A new flexible and area-efficient VLSI architecture of a Reed-Solomon product-code decoder/encoder has been developed for digital VCRs. The new architecture of the decoder/encoder targeted to reduce the circuit size and decoding latency has the following three features. First, a high area-efficiency has been achieved by sharing a functional block for encoding, modified syndrome computation, and erasure locator polynomial evaluation. Second, the circuit size and decoding latency has been reduced by using a new architecture to implement the modified Euclid's algorithm. Third, by doubling the internal clock speed (from 18 MHz to 36 MHz), the decoding latency and hence the memory size can be reduced. The decoder/encoder designed by using the proposed method uses a reduced number of gates, by about 30%, than the one based on the conventional architectures

Published in:

Consumer Electronics, IEEE Transactions on  (Volume:43 ,  Issue: 4 )

Date of Publication:

Nov 1997

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