The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 12, 2006
Filed:
Feb. 15, 2002
Omer Fatih Acikel, San Diego, CA (US);
Warm Shaw Yuan, San Diego, CA (US);
Daniel M. Castagnozzi, Lexington, MA (US);
Omer Fatih Acikel, San Diego, CA (US);
Warm Shaw Yuan, San Diego, CA (US);
Daniel M. Castagnozzi, Lexington, MA (US);
Applied Micro Circuits Corporation, San Diego, CA (US);
Abstract
A state machine method and system are provided for determining non-causal channel equalization thresholds. The method comprises: receiving a non-return to zero (NRZ) data stream encoded with forward error correction (FEC); setting x=0; in State, adjusting a third threshold (Vopt) in response to corrected bit errors; if x=0, setting a first and second threshold equal to the third threshold; in State, if x=0, simultaneously adjusting the first threshold and the second threshold, to minimize the total number of corrected bit errors; in State, following State, adjusting the first threshold, independent of the second threshold, to minimize the total number of errors; in State, following State, adjusting the second threshold, independent of the first threshold, to minimize the total number of errors; and, adding 1 to x and returning to State