Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Fixed-length two-dimensional modulation coding for imaging page-oriented optical data storage systems.

Dhawat E Pansatiankul1, Alexander A Sawchuk

  • 1Signal and Image Processing Institute, the University of Southern California, Los Angeles, California 90089-2564, USA.

Applied Optics
|January 28, 2003
PubMed
Summary

This study introduces a new 2-D modulation coding scheme to combat intersymbol interference (ISI) in page-oriented optical data storage (PODS) systems, improving data reliability for 2-D bit image storage.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

All-optical tunable multilevel amplitude regeneration based on coherent wave mixing using a polarizer.

Optics express·2015
Same author

Human daily activity recognition with sparse representation using wearable sensors.

IEEE journal of biomedical and health informatics·2014
Same author

Beyond the standard clinical rating scales: fine-grained assessment of post-stroke motor functionality using wearable inertial sensors.

Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference·2013
Same author

Robust human activity and sensor location corecognition via sparse signal representation.

IEEE transactions on bio-medical engineering·2012
Same author

Variable-length two-dimensional modulation coding for imaging page-oriented optical data storage systems.

Applied optics·2003

Area of Science:

  • Data Storage Technologies
  • Information Theory
  • Optical Engineering

Background:

  • Page-Oriented Optical Data Storage (PODS) systems store data in a two-dimensional (2-D) bit image format.
  • Conventional serial data storage systems exhibit different intersymbol interference (ISI) characteristics compared to imaging PODS systems.
  • Understanding ISI is crucial for enhancing data integrity in 2-D storage formats.

Purpose of the Study:

  • To comprehensively discuss modulation coding strategies for PODS systems.
  • To model and analyze intersymbol interference (ISI) in 2-D imaging data storage.
  • To introduce a novel 2-D modulation coding scheme to mitigate ISI in PODS.

Main Methods:

  • Development of several 2-D mathematical models for PODS systems, including two-photon systems.

Related Experiment Videos

  • Characterization of intersymbol interference (ISI) unique to imaging PODS systems.
  • Design and presentation of a novel 2-D modulation coding scheme and numerous fixed-length code examples.

    • Main Results:

    • Identified distinct ISI characteristics in imaging PODS systems compared to serial storage.
    • Proposed a novel 2-D modulation coding scheme to effectively address ISI in PODS.
    • Analyzed and compared the bit-error rate (BER) performance of various developed codes.

    Conclusions:

    • The novel 2-D modulation coding scheme offers a viable solution for mitigating ISI in PODS.
    • The developed codes demonstrate diverse properties suitable for different storage requirements.
    • The findings contribute to improving the reliability and performance of page-oriented optical data storage.