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. 20, 2004
Filed:
Mar. 01, 1999
Applicant:
Inventors:
Kevin W. Schneider, Hunstville, AL (US);
Richard L. Goodson, Huntsville, AL (US);
Steven R. Blackwell, Huntsville, AL (US);
Fred T. Y. Chu, Madison, AL (US);
Assignee:
Adtran, Inc., Huntsville, AL (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04B 1/404 ;
U.S. Cl.
CPC ...
H04B 1/404 ;
Abstract
A method and apparatus for providing a precoder filter having peak-to-average ratio (PAR) controller that also serves as a high-pass, low-pass, or band-pass filter. The described invention is includes a modulo device connected in series with the PAR controller and a precoder filter connected in a feedback arrangement. The input to the apparatus is a sequence of data symbols and the output is a spectrally shaped precoded signal having a controlled peak-to-average ratio.