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:
Mar. 06, 2012
Filed:
Nov. 09, 2007
Frederick W. Vook, Schaumburg, IL (US);
Thomas P. Krauss, Algonquin, IL (US);
Krishna Kamal Sayana, Lakemoor, IL (US);
Fan Wang, Chicago, IL (US);
Xiangyang Zhuang, Lake Zurich, IL (US);
Frederick W. Vook, Schaumburg, IL (US);
Thomas P. Krauss, Algonquin, IL (US);
Krishna Kamal Sayana, Lakemoor, IL (US);
Fan Wang, Chicago, IL (US);
Xiangyang Zhuang, Lake Zurich, IL (US);
Motorola Mobility, Inc., Libertyville, IL (US);
Abstract
An orthogonal frequency division multiplexing wireless communication terminal, that communicates with a base unit, obtains a set of analog coefficients by transforming a transmit spatial covariance matrix, modulates the set of analog coefficients onto multiple channels to form a feedback waveform, and transmits the feedback waveform to the base unit.