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IEICE TRANSACTIONS on Information

Open-Fault Resilient Multiple-Valued Codes for Reliable Asynchronous Global Communication Links

Naoya ONIZAWA, Atsushi MATSUMOTO, Takahiro HANYU

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Summary :

This paper introduces open-wire fault-resilient multiple-valued codes for reliable asynchronous point-to-point global communication links. In the proposed encoding, two communication modules assign complementary codewords that change between two valid states without an open-wire fault. Under an open-wire fault, at each module, the codewords don't reach to one of the two valid states and remains as “invalid” states. The detection of the invalid states makes it possible to stop sending wrong codewords caused by an open-wire fault. The detectability of the open-wire fault based on the proposed encoding is proven for m-of-n codes. The proposed code used in the multiple-valued asynchronous global communication link is capable of detecting a single open-wire fault with 3.08-times higher coding efficiency compared with a conventional multiple-valued code used in a triple-modular redundancy (TMR) link that detects an open-wire fault under the same dynamic range of logical values.

Publication
IEICE TRANSACTIONS on Information Vol.E96-D No.9 pp.1952-1961
Publication Date
2013/09/01
Publicized
Online ISSN
1745-1361
DOI
10.1587/transinf.E96.D.1952
Type of Manuscript
Special Section PAPER (Special Section on Dependable Computing)
Category

Authors

Naoya ONIZAWA
  McGill University
Atsushi MATSUMOTO
  Gunma National College of Technology
Takahiro HANYU
  Tohoku University

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