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DC-free coding of run-length-limited codes for multi-level optical recording systems
- Issue Date
- Feb-2006
- Publisher
- JAPAN SOC APPLIED PHYSICS
- Keywords
- modulation coding; run-length-limited code; DC-free code; multi-level system; digital sum value
- Citation
- JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS, v.45, no.2B, pp.1097 - 1100
- Journal Title
- JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS
- Volume
- 45
- Number
- 2B
- Start Page
- 1097
- End Page
- 1100
- ISSN
- 0021-4922
- Abstract
- Optical storage systems require the channel data sequence having DC-free characteristic. DC-free coding schemes for binary sequence are difficult to apply directly for high-rate multi-level optical recording systems. Thus, we present an effective coding scheme that DC-content is sufficiently controlled by inserting redundancy bits less than 1.25% for multi-level optical recording systems. This method is very simple and can be used for all multi-level run-length-limited codes.
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Related Researcher
- Lee, Jae jin
- College of Information Technology (Department of Electronic Engineering)