Bite error rate performance of iterative decoding in a perpendicular magnetic recording channel

Y. Okamoto; T. Kanaoka; H. Osawa; H. Saito; H. Muraoka; Y. Nakamura

doi:10.1109/20.917602

Bite error rate performance of iterative decoding in a perpendicular magnetic recording channel

Y. Okamoto, T. Kanaoka, H. Osawa, H. Saito, H. Muraoka, Y. Nakamura

Broadband Engineering Division

Research output: Contribution to journal › Article

4 Citations (Scopus)

Abstract

The BER performance of iterative decoding systems and PRML systems in a perpendicular magnetic recording channel is experimentally investigated. A performance evaluation system consisting of a spinstand, a recording waveform generator, a digital storage oscilloscope and a personal computer was used. PR1ML, PR2ML, EPR3ML, E ²PR3ML and ME ²PR4ML systems are discussed as a PRML channel. The 8/9 and 16/17 iterative-decoding systems consists of the encoder, with RSC encoder serially concatenated with precoded PR channels and the iterative decoder with APP modules using Max-log-MAP algorithm. The results show that EPR3ML and E ²PR3ML provide good BER performance in a perpendicular magnetic recording channel and that the iterative decoding system is also an efficient way to improve the BER performance in the channel.

Original language	English
Pages (from-to)	689-694
Number of pages	6
Journal	IEEE Transactions on Magnetics
Volume	37
Issue number	2 I
DOIs	https://doi.org/10.1109/20.917602
Publication status	Published - 2001 Mar 1

Keywords

Iterative decoding
PR channel
PRML system
Perpendicular magnetic recording
Serial concatenation

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Electrical and Electronic Engineering

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Okamoto, Y., Kanaoka, T., Osawa, H., Saito, H., Muraoka, H., & Nakamura, Y. (2001). Bite error rate performance of iterative decoding in a perpendicular magnetic recording channel. IEEE Transactions on Magnetics, 37(2 I), 689-694. https://doi.org/10.1109/20.917602

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abstract = "The BER performance of iterative decoding systems and PRML systems in a perpendicular magnetic recording channel is experimentally investigated. A performance evaluation system consisting of a spinstand, a recording waveform generator, a digital storage oscilloscope and a personal computer was used. PR1ML, PR2ML, EPR3ML, E 2PR3ML and ME 2PR4ML systems are discussed as a PRML channel. The 8/9 and 16/17 iterative-decoding systems consists of the encoder, with RSC encoder serially concatenated with precoded PR channels and the iterative decoder with APP modules using Max-log-MAP algorithm. The results show that EPR3ML and E 2PR3ML provide good BER performance in a perpendicular magnetic recording channel and that the iterative decoding system is also an efficient way to improve the BER performance in the channel.",

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AU - Kanaoka, T.

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AU - Muraoka, H.

AU - Nakamura, Y.

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