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Browse Journals & Magazines > Magnetics, IEEE Transactions ...> Volume:41 Issue:10 Help

An effective error correction using a combination of algebraic geometric codes and Parity codes for HDD

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2 Author(s)
Mita, S. ; Toyota Technol. Inst., Nagoya, Japan ; Matsui, H.

This paper describes the performance of an efficient error-correcting system for hard disk drives. The performance of the codes on algebraic curves, such as Hermitian codes over GF(28), elliptic codes over GF(29), and Fermat codes over GF(210) is compared with that of conventional Reed-Solomon (RS) codes. In particular, an adoption of Hermitian codes can reduce the redundant part by approximately 800 bits more than the RS codes when an error-correcting capability of 240 bytes is adopted for a long sector size. Moreover, we propose an error-correcting system based on a combination of algebraic geometric codes and parity codes. This combination system can cover a bit-error rate of approximately 10-2 under a condition of EEPR4 channel and additive Gaussian noise.

Published in:
Magnetics, IEEE Transactions on  (Volume:41 ,  Issue: 10 )

Date of Publication: Oct. 2005

Page(s):
2992 - 2994
ISSN :
0018-9464
INSPEC Accession Number:
8656288
Digital Object Identifier :
10.1109/TMAG.2005.854451
Product Type:
Journals & Magazines
Date of Current Version :
17 October 2005
Issue Date :
Oct. 2005
Sponsored by :
IEEE Magnetics Society

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