FAULT-TOLERANT NANOCOMPUTERS BASED ON ASYNCHRONOUS CELLULAR AUTOMATA

Author:

ISOKAWA TEIJIRO1,ABO FUKUTARO1,PEPER FERDINAND21,ADACHI SUSUMU2,LEE JIA2,MATSUI NOBUYUKI1,MASHIKO SHINRO2

Affiliation:

1. Division of Computer Engineering, Himeji Institute of Technology, University of Hyogo, 2167 Shosha, Himeji, Hyogo, 671-2201, Japan

2. Nanotechnology Group, National Institute of Information and Communications Technology, 588-2 Iwaoka, Iwaoka-cho, Nishi-ku, Kobe, 651-2492, Japan

Abstract

Cellular Automata (CA) are a promising architecture for computers with nanometer-scale sized components, because their regular structure potentially allows chemical manufacturing techniques based on self-organization. With the increase in integration density, however, comes a decrease in the reliability of the components from which such computers will be built. This paper employs BCH error-correcting codes to construct CA with improved reliability. We construct an asynchronous CA of which a quarter of the (ternary) bits storing a cell's state information may be corrupted without affecting the CA's operations, provided errors are evenly distributed over a cell's bits (no burst errors allowed). Under the same condition, the corruption of half of a cell's bits can be detected.

Publisher

World Scientific Pub Co Pte Lt

Subject

Computational Theory and Mathematics,Computer Science Applications,General Physics and Astronomy,Mathematical Physics,Statistical and Nonlinear Physics

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