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:
Jul. 31, 2001
Filed:
Aug. 18, 1999
Raymond J. Leopold, Tempe, AZ (US);
Jeffrey C. Morrow, Phoenix, AZ (US);
Jeffrey D. Laub, Chandler, AZ (US);
Motorola, Inc., Schaumburg, IL (US);
Abstract
A dynamic beam fill-in system (,) in a cellular communications network (,) having a constellation (,) of satellites (,) in orbit (,) with each satellite (,) having a plurality of antennas (,) configured to form cells (,) upon the surface (,) of the Earth. A first antenna (,) is configured to form a first cell (,) at a first location (,) for a first period (,) of time and at a second location (,) for a second period (,) of time. A second antenna (,) is configured to form a second cell (,) at least partially coincident with the first cell (,) during the first period (,). A third antenna (,) is configured to form a third cell (,) at least partially coincident with the first cell (,) during the second period (,). In the event of failure of the first antenna (,), a computer program (,), in response to a beam-replacement table (,), is configured to deactivate the first antenna (,) and activate the second antenna (,) during the first period (,) and the third antenna (,) during the second period (,).