Pattern matching circuit

Details Pattern matching circuit Pattern matching circuit

G - Physics

06

K

G06K 9/00 (2006.01) G06F 7/02 (2006.01) G06F 7/60 (2006.01) G11B 20/18 (2006.01) H04L 7/04 (2006.01)

Patent

CA 2044052

ABSTRACT The invention is a pattern matcher which (i) compares two or more multi-symbol data patterns, symbol-by-symbol, and detects any mis-matches, or errors, (ii) combines into a relatively small number of encoded bits information relating to the number of errors, and (iii) examines a single encoded bit to determine if the two patterns "match", i.e., if they differ by less than a predetermined number of symbols, or error threshold. The invention further includes a multi-bit output signal which may be used to determine, for patterns which match, the actual number of errors.

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