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:
Apr. 18, 2017
Filed:
Jun. 23, 2014
Applicant:
At&t Intellectual Property Ii, L.p., Atlanta, GA (US);
Inventors:
Leonard Joseph Cimini, Jr., Howell, NJ (US);
Nelson Ray Sollenberger, Saint Thomas, PA (US);
Assignee:
AT&T Intellectual Property II, L.P., Atlanta, GA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 12/28 (2006.01); H04L 27/26 (2006.01); H04B 1/06 (2006.01); H04J 1/16 (2006.01);
U.S. Cl.
CPC ...
H04L 27/2615 (2013.01); H04B 1/06 (2013.01); H04L 27/2601 (2013.01); H04L 27/2621 (2013.01); H04L 27/2626 (2013.01); H04L 27/2647 (2013.01);
Abstract
An OFDM system embeds sequence information in the transmitted signal that reduces peak average power ratio (PAP) with minimal impact on the overall system efficiency. A marker is embedded onto the transmitted information that is used to identify the combining (inversion) sequence at the receiver. In one embodiment, selected tones in a cluster are rotated when the corresponding phase factor rotates the cluster.