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:
Jan. 24, 2012
Filed:
Sep. 25, 2008
Applicants:
Gopal Harikumar, Waltham, MA (US);
Daniel J. Marchok, Buchanan, MI (US);
Inventors:
Gopal Harikumar, Waltham, MA (US);
Daniel J. Marchok, Buchanan, MI (US);
Assignee:
Tellabs Operations, Inc., Naperville, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
H04L 27/28 (2006.01); H04B 1/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
A channel in a multiple carrier communication system is equalized by computing a target spectral response, shortening the impulse response of the channel so that a significant part of an energy of the impulse response is confined to a region that is shorter than a target length and filtering the signal based on the target spectral response.