Algorithms and Architectures for Soft -Decoding Reed -Solomon Codes
Ahmed, Arshad
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https://hdl.handle.net/2142/80969
Description
Title
Algorithms and Architectures for Soft -Decoding Reed -Solomon Codes
Author(s)
Ahmed, Arshad
Issue Date
2006
Doctoral Committee Chair(s)
Shanbhag, Naresh R.
Department of Study
Electrical Engineering
Discipline
Electrical Engineering
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
Ph.D.
Degree Level
Dissertation
Keyword(s)
Engineering, Electronics and Electrical
Language
eng
Abstract
Finally, the applicability of soft-decoding for disk-drive applications is studied. Based on performance improvements and complexity requirements, generalized minimum distance decoding with maximum a priori soft-detection is selected, and the corresponding architecture is developed. The generalized minimum distance decoder is expected to give 0.5 dB gain over a hard-decoder at the target bit error-rate of 10-12 for the disk-drive channel. The architecture is synthesized using the Virtual Silicon standard cell library in a 0.13-mum CMOS process. It has an area of 7.29 mm² and achieves a throughput of 8 Gbps.
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