Performance of the Contraction Mapping-Based Iterative Two-Dimensional Equalizer for Bit-Patterned Media
- Authors
- Moon, Woosik; Im, Sungbin
- Issue Date
- Jun-2013
- Publisher
- IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
- Keywords
- Bit-patterned media (BPM); contraction mapping; two-dimensional (2-D) equalizer
- Citation
- IEEE TRANSACTIONS ON MAGNETICS, v.49, no.6, pp.2620 - 2623
- Journal Title
- IEEE TRANSACTIONS ON MAGNETICS
- Volume
- 49
- Number
- 6
- Start Page
- 2620
- End Page
- 2623
- URI
- http://scholarworks.bwise.kr/ssu/handle/2018.sw.ssu/11257
- DOI
- 10.1109/TMAG.2013.2253450
- ISSN
- 0018-9464
- Abstract
- Bit-patterned media (BPM) storage is one of the promising technologies to overcome the limitations of the conventional magnetic recording. However, a high-density BPM storage has intertrack interference, intersymbol interference and noise, which severely degrade the system performance. In this paper, we present a simple iterative two-dimensional (2-D) equalizer based on the contraction mapping theorem to mitigate these adverse effects. In the simulation, we demonstrate the bit separation characteristics of the one-dimensional (1-D) and proposed 2-D equalizers and evaluate the bit-error-rate (BER) performance of the proposed equalizer comparing with the conventional equalizers. According to the simulation results, the proposed equalizer is a promising candidate with maintaining proper complexity for a high-density BPM storage.
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