New Rate 6/9 Run-Length Limited $(2, 11)$ Code with Spaced Pits/Lands Constraint for Four-Level Read-Only Optical Disc
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概要
- 論文の詳細を見る
Multi-level run-length limited (ML-RLL) modulation is a novel way to significantly increase the recording density without changing the optical or mechanical units of current optical disc systems. In this paper, a new rate 6/9 RLL $(2, 11)$ code with spaced pits/lands (SPL) constraint is designed for four-level read-only digital versatile disc (DVD). The SPL constraint is used to obtain alternate multi-level pits and lands on the disc, and reduce the difficulty of multi-level disc replication. Compared with the former four-level SPL-RLL code with the same code rate, this new code has smaller size of decoding window and smaller parameter $k$.
- 2008-07-25
著者
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Tang Yi
Department Of Chemistry And Shanghai Key Laboratory Of Molecular Catalysis And Innovative Materials
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Hu Hua
Department Of Ent Huadong Hospital Shanghai Medical School Fudan University
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Hu Hua
Department of Precision Instrument and Mechanology, Optical Memory National Engineering Research Center (OMNERC), Bldg. 9003, Tsinghua University, Beijing 100084, P.R. China
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Yuan Haibo
Department of Precision Instrument and Mechanology, Optical Memory National Engineering Research Center (OMNERC), Bldg. 9003, Tsinghua University, Beijing 100084, P.R. China
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Pan Longfa
Department of Precision Instrument and Mechanology, Optical Memory National Engineering Research Center (OMNERC), Bldg. 9003, Tsinghua University, Beijing 100084, P.R. China
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Pan Longfa
Department of Precision Instrument and Mechanology, Optical Memory National Engineering Research Center (OMNERC), Bldg. 9003, Tsinghua University, Beijing 100084, P. R. China
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