Performance evaluation of asymmetrical run-length-limited code for optical disks

Takatoshi Kato; Yukari Katayama; Hideyuki Yamakawa; Takushi Nishiya; Tadashi Maeda

doi:10.1117/12.453388

10 January 2002 Performance evaluation of asymmetrical run-length-limited code for optical disks

Takatoshi Kato, Yukari Katayama, Hideyuki Yamakawa, Takushi Nishiya, Tadashi Maeda

Proceedings Volume 4342, Optical Data Storage 2001; (2002) https://doi.org/10.1117/12.453388
Event: Optical Data Storage, 2001, Santa Fe, NM, United States

Abstract

A performance comparison between a rate 8 / 14 asymmetrical run-length-limited (RLL) code and the EFMPlus code for optical disks is described. The limited condition of the rate 8 / 14 asymmetrical code is. This code has a better detection window size than the EFMPlus code because of the 14.3 percent greater efficiency of its coding rate. We describe the bit error rate (BER) performance and the tilt and defocus tolerance of the rate 8 / 14 ARL code. Compared to the EFMPlus code, the rate 8 / 14 ARL code has a 0.7-dB gain in the required S / N at a BER of 10^-4. The rate 8 / 14 ARL code is also more robust against tilt and defocus.

Citation Download Citation

Takatoshi Kato, Yukari Katayama, Hideyuki Yamakawa, Takushi Nishiya, and Tadashi Maeda "Performance evaluation of asymmetrical run-length-limited code for optical disks", Proc. SPIE 4342, Optical Data Storage 2001, (10 January 2002); https://doi.org/10.1117/12.453388

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