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:
May. 27, 2003
Filed:
Nov. 01, 1999
Thomas Peter Emmons, Jr., Mesa, AZ (US);
Robert Anthony Peters, Silver Spring, MD (US);
Shawn Hogberg, Chandler, AZ (US);
Motorola, Inc., Schaumburg, IL (US);
Abstract
A satellite-based communications system ( ) includes a communication satellite ( ) using a Time Division Duplex (TDD) frame structure. The communication satellite ( ) transmits first data ( ) during a first sub-frame ( ) and receives second data ( ) during a second sub-frame ( ) of a time division multiple access (TDMA) frame ( ). A terrestrial repeater ( ) receives the first data ( ) using a first link ( ) during the first sub-frame ( ), delays the first data ( ) by a sub-frame duration, and transmits the first data ( ) to a subscriber unit ( ) using a second link ( ). The terrestrial repeater ( ) receives the second data ( ) from the subscriber unit ( ) using the second link ( ), delays the second data ( ) by the sub-frame duration, and transmits the second data ( ) using the first link ( ) to the satellite ( ) during the second sub-frame ( ).