Performance of Soft Output Viterbi Algorithm Depending on Track Direction on Bit-Patterned Media Recording 


Vol. 44,  No. 11, pp. 2035-2040, Nov.  2019
10.7840/kics.2019.44.11.2035


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  Abstract

Because of the explosion in data growth, the requirement for high areal density storage systems has increased. To satisfy the demand for high areal density in bit-patterned media recording technology, the space between islands is reduced. However, this reduction causes inter-symbol interference and inter-track interference, i.e., two-dimensional ISI, degrade the system performance. Since the effect of inter-track interference is greater than that of inter-symbol interference in bit-patterned media recording, an appropriate signal detection schemes are required. In this paper, we compare the bit error rate performance of soft output Viterbi algorithm according to track direction in bit-patterned media recording. The soft output Viterbi algorithm detector for cross-track direction provided better performance than the soft output Viterbi algorithm detector for down-track direction and two-dimensional soft output Viterbi algorithm detectors.

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  Cite this article

[IEEE Style]

S. Jeong and J. Lee, "Performance of Soft Output Viterbi Algorithm Depending on Track Direction on Bit-Patterned Media Recording," The Journal of Korean Institute of Communications and Information Sciences, vol. 44, no. 11, pp. 2035-2040, 2019. DOI: 10.7840/kics.2019.44.11.2035.

[ACM Style]

Seongkwon Jeong and Jaejin Lee. 2019. Performance of Soft Output Viterbi Algorithm Depending on Track Direction on Bit-Patterned Media Recording. The Journal of Korean Institute of Communications and Information Sciences, 44, 11, (2019), 2035-2040. DOI: 10.7840/kics.2019.44.11.2035.

[KICS Style]

Seongkwon Jeong and Jaejin Lee, "Performance of Soft Output Viterbi Algorithm Depending on Track Direction on Bit-Patterned Media Recording," The Journal of Korean Institute of Communications and Information Sciences, vol. 44, no. 11, pp. 2035-2040, 11. 2019. (https://doi.org/10.7840/kics.2019.44.11.2035)

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pISSN : 1226 - 4717
eISSN : 2287 - 3880