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:
Jun. 16, 2015
Filed:
Apr. 21, 2014
Applicant:
The Directv Group, Inc., El Segundo, CA (US);
Inventors:
John P. Godwin, Los Angeles, CA (US);
Ernest C. Chen, San Pedro, CA (US);
Assignee:
The DIRECTV Group, Inc., El Segundo, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 7/212 (2006.01); H04J 3/06 (2006.01); H04B 1/40 (2015.01);
U.S. Cl.
CPC ...
H04B 1/40 (2013.01);
Abstract
A nodal division multiple access technique for multiple access to a communications channel such as a satellite transponder. The present invention provides multiple access into a communications channel where each accessing site utilizes one signal from a composite amplitude/phase digital signal constellation, such that demodulators receive the composite signal without changes in the system design related to the multiple access operation.