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:
Oct. 06, 2015
Filed:
Dec. 20, 2011
Applicant:
Douglas G. Burr, San Jose, CA (US);
Inventor:
Douglas G. Burr, San Jose, CA (US);
Assignee:
Space Systems/Loral, LLC, Palo Alto, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
H01Q 1/28 (2006.01); H01Q 25/00 (2006.01);
U.S. Cl.
CPC ...
H01Q 25/007 (2013.01); H01Q 1/288 (2013.01);
Abstract
A spacecraft has a high efficiency multi-beam antenna (MBA) system that serves a coverage region on the Earth. The coverage region subtends an angle, when viewed from the spacecraft, of at least ten degrees. The antenna system provides, within the coverage region, at least sixteen spot beams. A signal provided by the MBA system to each spot beam has a carrier to interference ratio (C/I) of no less than 20 dB. The system enables use of a three color frequency reuse scheme without recourse to signal encoding.