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:
Feb. 03, 2009
Filed:
May. 25, 2004
Applicants:
Jonathan James Ashley, Los Gatos, CA (US);
Erich Franz Haratsch, Bethlehem, PA (US);
Inventors:
Jonathan James Ashley, Los Gatos, CA (US);
Erich Franz Haratsch, Bethlehem, PA (US);
Assignee:
Agere Systems Inc., Allentown, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03M 13/03 (2006.01);
U.S. Cl.
CPC ...
Abstract
A reduced-state Viterbi detector is disclosed that precomputes branch metrics for a multiple-step trellis for speculative sequences of one or more channel symbols; selects one of said precomputed branch metrics for multi-step state transitions based on at least one multi-step decision from at least one corresponding state; and selects a path having a best path metric for a given state.
Quick Actions:
Ashley, Jonathan. (2009). Method and apparatus for multiple step viterbi detection with local feedback (U.S. Patent No. 7487432). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7487432
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