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:
Apr. 10, 2001
Filed:
Jul. 17, 1998
Robert Anthony Peters, Silver Spring, MD (US);
Shawn Wesley Hogberg, Chandler, AZ (US);
Thomas Peter Emmons, Jr., Mesa, AZ (US);
James William Startup, Tempe, AZ (US);
Motorola, Inc., Schaumburg, IL (US);
Abstract
In a code division multiplexed system, a subscriber unit (,, FIG.,), which includes a pseudonoise code generator (,), is synchronized with the pseudonoise code generator (,) of a communications node (,). Synchronization between the pseudonoise code generators (,) is achieved through measuring the time delay of a signal transmitted from the communications node (,) to the subscriber unit (,) and advancing the code generator of the subscriber unit in accordance with the time delay. This permits transmissions from the subscriber unit (,) to be received synchronously at the satellite. The synchronization is maintained through the periodic transmission from the communications node (,) to the subscriber unit (,) of a message which commands the subscriber unit (,) to adjust the timing of its pseudonoise code generator. The resulting synchronous code division multiplexed system offers increased capacity over conventional systems.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile