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Implementation of a PRML Detection for Asymmetric High-density Optical Storage System  

Lee, Kyu-Suk (삼성전자)
Lee, Jae-Jin (숭실대학교 정보통신전자공학부 정보저장 및 통신연구실)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.31, no.11C, 2006 , pp. 1052-1057 More about this Journal
Abstract
The implement the adaptive partial response maximum likelihood (PRML) detector with tilt analyzer for asymmetric high-density optical storage system. For the estimation of disc tilt, we exploit spc patterns in each data frame. Because of using the ROM table to renew the coefficients of equalizer and reference values of branches, the complexity of the hardware is reduced. The proposed PRML has been designed and verified by VerilogHDL and synthesized by the Synopsys Design Compiler with Hynix $0.35{\mu}m$ STD cell library. In the result, the total gate count is 35K, and the maximum operating frequency is 140MHz.
Keywords
Optical Storage; PRMI Detection; Asymmetric Optical Channel; Tangential Tilt;
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