Rueangnetr, Natthakan

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Rueangnetr, Natthakan
Alternative Name
Rueangnetr, N.
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natthakan.ru@kmitl.ac.th

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    Item type:Publication,
    Enhancing Signal Processing With Multilayer Perceptron Utilization for Bit-Patterned Magnetic Recording
    (2025-01-01)
    Rueangnetr, Natthakan
    ;
    Greaves, Simon John
    ;
    Warisarn, Chanon
    Bit-patterned magnetic recording aims to overcome the superparamagnetic limit and achieve higher areal density in magnetic recording, with improved thermal stability and reduced transition noise. However, the inter-symbol interference and inter-track interference effects remain crucial problems that must be addressed. This work introduces a multilayer perceptron-based equalizer operating in conjunction with an adaptive target scheme. Furthermore, we also propose using a multilayer perceptron-based detector to improve the overall recording performance. We evaluated our enhanced processing methods using regular and staggered bit-island arrangements. The simulation results indicate that the multilayer perceptron-based equalizer achieves lower mean square error values across all signal-to-noise ratio levels when compared to the conventional minimum mean square error equalizer. Additionally, the proposed multilayer perceptron-based detector performs slightly better than the multilayer perceptron-based equalizer. Also, these proposed techniques demonstrate superior bit error rate performance, even when considering bit-island position fluctuations.