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.

Date of Patent:
Aug. 09, 2016

Filed:

Oct. 08, 2015
Applicant:

The Aerospace Corporation, El Segundo, CA (US);

Inventors:

Charles Robert Cahn, Manhattan Beach, CA (US);

Philip A. Dafesh, Manhattan Beach, CA (US);

Assignee:

The Aerospace Corporation, El Segundo, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04K 1/02 (2006.01); H04L 25/03 (2006.01); H04L 25/49 (2006.01); H04B 1/7097 (2011.01); H04B 1/707 (2011.01); H04L 23/02 (2006.01); H04L 27/20 (2006.01); H04L 27/12 (2006.01); G01S 19/02 (2010.01); H04J 13/00 (2011.01); H04B 1/7103 (2011.01); H04B 1/04 (2006.01);
U.S. Cl.
CPC ...
H04B 1/7097 (2013.01); G01S 19/02 (2013.01); H04B 1/0475 (2013.01); H04B 1/707 (2013.01); H04B 1/7103 (2013.01); H04J 13/0003 (2013.01); H04L 23/02 (2013.01); H04L 27/12 (2013.01); H04L 27/2007 (2013.01); H04B 2001/0491 (2013.01); H04B 2201/70706 (2013.01); H04B 2201/709709 (2013.01);
Abstract

An apparatus and method for generating a composite signal includes electronics configured to modulate a carrier utilizing a finite set of composite signal phases to generate a composite signal, the finite set of composite signal phases being determined through an optimization process that minimizes a constant envelope for the phase modulated carrier, subject to constraints on desired signal power levels of the signals to be combined and either zero or one or more relative phase relationships between the signals. The apparatus and method can be extended to generating an optimized composite signal of different frequencies.


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