Method for detecting data and device therefor of data storing un

Details Method for detecting data and device therefor of data storing un Method for detecting data and device therefor of data storing un

1996-11-07

1999-12-14

Chin, Wellington

Pulse or digital communications

Synchronizers

Phase displacement, slip or jitter correction

375326, 375340, 375346, H04L 2536

Patent

active

060027304

ABSTRACT:
A method and device for detecting data of a data storing unit includes an analog/digital converter for outputting a symbol signal r.sub.k by sampling an analog signal r(t) with a sampling clock, an equalizer for outputting z.sub.k by equalizing the output r.sub.k of the analog/digital converter, a data detector for detecting symbol data a.sub.k from the equalized output z.sub.k, and a clock recovering portion for correcting frequency and phase of the sampling clock, the clock recovering portion performing the correction at an edge of a symbol data a.sub.k. Therefore, it is possible to reduce errors in detecting data and to effectively detect the data with a far better performance that conventional technology and to restore a sampling clock by limiting a sampling clock recovering process to operate only at the edge of the symbol data.

REFERENCES:
patent: 4024342 (1977-05-01), Croisier et al.
patent: 5546132 (1996-08-01), Kim et al.
patent: 5602583 (1997-02-01), Citta
patent: 5640418 (1997-06-01), Tanaka
patent: 5760984 (1998-06-01), Spurbeck et al.
Cideciyan et al., "A PRML System for Digital Magnetic Recording" IEEE Journal on Selected Areas In Communication, vol. 10, No. 1, Jan. 1992.

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