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. 20, 2009
Filed:
Dec. 05, 2007
Khiem V. Cai, Brea, CA (US);
David B. Rutan, El Segundo, CA (US);
Matthew S. Gorder, Riverside, CA (US);
Don C. Devendorf, Carlsbad, CA (US);
Khiem V. Cai, Brea, CA (US);
David B. Rutan, El Segundo, CA (US);
Matthew S. Gorder, Riverside, CA (US);
Don C. Devendorf, Carlsbad, CA (US);
Abstract
A system, method and computer program product for stabilizing a coefficient set used by a digital predistortion (DPD) engine to apply pre-distortion to a transmit signal and cancel distortion generated by a distorting element or distorting system when transmitting the transmit signal, including obtaining an initial coefficient set; rotating the initial coefficient set to maintain a phase of fundamental components (w(t), . . . , w(t)) of the initial coefficient set a constant value; averaging the rotated coefficient set to obtain an averaged coefficient set; and applying the averaged coefficient set to the DPD engine.