H - Electricity – 04 – L
Patent
H - Electricity
04
L
H04L 7/00 (2006.01) G06F 13/42 (2006.01) G11B 20/10 (2006.01) H03M 13/00 (2006.01) H04L 7/04 (2006.01) H04L 7/02 (2006.01)
Patent
CA 2059922
SZ 9-90-004 ABSTRACT This invention covers a method for fast and reliably detecting the reception of preambles in recording and communication systems using partial-response signaling. Each preamble, transmitted preceding user data, consists of a timing sequence followed by a known sequence of bits marking its end. The invention provides a method for fast and reliably recognizing that synchronization has been achieved and the timing sequence is being received, and detecting the end of the preamble. A hardware implementation based on the inventive method is also described.
Dolivo Francois
Schott Wolfgang
Barrett B.p.
International Business Machines Corporation
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