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Structured iteratively decodable codes based on Steiner systems and their application in magnetic recording

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1 Author(s)
Vasic, B. ; Dept. of Electr. & Comput. Eng., Arizona Univ., Tucson, AZ, USA

This paper introduces a combinatorial construction of a class of iteratively decodable codes, an approach diametrically opposed to the prevalent practice of using large, random-like codes. Our codes are well-structured and, unlike random codes, can lend themselves to a very low complexity implementation. A systematic way of constructing codes based on Steiner systems and the Zν, group is presented, and a hardware efficient encoding algorithm is proposed. A substantial performance improvement of high-rate Steiner codes over the existing schemes used in magnetic recording systems is demonstrated

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Global Telecommunications Conference, 2001. GLOBECOM '01. IEEE  (Volume:5 )

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