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    An Information Theoretical Framework for Analysis and Design of Nanoscale Fault-Tolerant Memories Based on Low-Density Parity-Check Codes

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    Author
    Vasic, Bane
    Chilappagari, S.K.
    Affiliation
    Univ Arizona, Dept Elect & Comp Engn
    Issue Date
    2007-11-12
    
    Metadata
    Show full item record
    Publisher
    IEEE
    Citation
    B. Vasic and S. K. Chilappagari, "An Information Theoretical Framework for Analysis and Design of Nanoscale Fault-Tolerant Memories Based on Low-Density Parity-Check Codes," in IEEE Transactions on Circuits and Systems I: Regular Papers, vol. 54, no. 11, pp. 2438-2446, Nov. 2007, doi: 10.1109/TCSI.2007.902611.
    Journal
    IEEE Transactions on Circuits and Systems I: Regular Papers
    Rights
    Copyright © 2007 IEEE.
    Collection Information
    This item from the UA Faculty Publications collection is made available by the University of Arizona with support from the University of Arizona Libraries. If you have questions, please contact us at repository@u.library.arizona.edu.
    Abstract
    In this paper, we develop a theoretical framework for the analysis and design of fault-tolerant memory architectures. Our approach is a modification of the method developed by Taylor and refined by Kuznetsov. Taylor and Kuznetsov (TK) showed that memory systems have nonzero computational (storage) capacity, i.e., the redundancy necessary to ensure reliability grows asymptotically linearly with the memory size. The restoration phase in the TK method is based on low-density parity-check codes which can be decoded using low complexity decoders. The equivalence of the restoration phase in the TK method and faulty Gallager B algorithm enabled us to establish a theoretical framework for solving problems in reliable storage on unreliable media using the large body of knowledge in codes on graphs and iterative decoding gained in the past decade.
    ISSN
    1549-8328
    DOI
    10.1109/tcsi.2007.902611
    Version
    Final accepted manuscript
    ae974a485f413a2113503eed53cd6c53
    10.1109/tcsi.2007.902611
    Scopus Count
    Collections
    UA Faculty Publications

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