Patents by Inventor Keith Andrew Tilley

Keith Andrew Tilley has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Transmitter circuit and method for modulation distortion compensation
    Patent number: 7116951
    Abstract: A transmitter circuit (200, 400, 510) and method reduces amplitude modulation distortion in an amplifier (210). The transmitter circuit (200, 400, 510) includes a power control error data generator (230), a feedforward predistortion data generator (240), feedforward adder logic (250) and the amplifier (210). The power control error data generator (230) receives amplitude modulation data (252) and an RF coupled output signal (254) and, in response, produces power control error data (256). The feedforward predistortion data generator (240) receives the amplitude modulation data (252) and, in response, produces feedforward predistortion data (258). The feedforward adder logic (250) receives the power control error data (256) and the feedforward predistortion data (258) and, in response, produces power control data (260).
    Type: Grant
    Filed: December 16, 2003
    Date of Patent: October 3, 2006
    Assignee: Motorola, Inc.
    Inventors: Thomas D. Nagode, Peter Nanni, Louis M. Nigra, Greg R. Black, Keith Andrew Tilley