NDLI: Signal space detection for DVD optical recording

Content Provider	IEEE Xplore Digital Library
Author	Steingrimsson, B. Jaekyun Moon Oenning, T.
Copyright Year	1965
Abstract	A signal space detector (SSD) based on a single hyperplane is proposed which offers nearly the same performance as the fixed delay tree search with decision feedback (FDTS/DF) for the digital versatile disk (DVD) channel. The FDTS/DF detector with a reasonable decision delay performs almost as well as the optimal maximum likelihood sequence detector (MLSD) due to the FDTS/DF plus modulation code that includes the d=2 minimum runlength constraint. The single-hyperplane approximation of the FDTS/DF detector is made possible by considering only the critical signal points in the three-dimensional signal space. When the jitter noise is significant, the slope of the hyperplane decision boundary can readily be adjusted to improve the performance beyond that of the standard FDTS/DF detector. We also provide analysis and simulation results that verify the performance advantage of the SSD over partial response (PR) based threshold and Viterbi detectors. The distance between the received signal in signal space and the single hyperplane can be interpreted as soft information. The soft SSD can be used along with iterative error correction codes, such as low density parity check codes (LDPC), resulting in large performance gains.
Sponsorship	IEEE Magnetics Society
Starting Page	670
Ending Page	675
Page Count	6
File Size	163069
File Format	PDF
ISSN	00189464
Volume Number	37
Issue Number	2
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2001-03-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Signal detection Optical detectors DVD Optical recording Maximum likelihood detection Delay Parity check codes Optical feedback Modulation coding Jitter
Content Type	Text
Resource Type	Article
Subject	Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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