1
Andrew S Wright, Bartholomeus T W Klijsen, Paul V Yee, Chun Yeung Kevin Hung, Steven J Bennett: Wideband digital predistortion linearizer for nonlinear amplifiers. PMC Sierra, Knobbe Martens Olson & Bear, September 28, 2004: US06798843 (195 worldwide citation)

A wideband predistortion system compensates for a nonlinear amplifier's frequency and time dependent distortion characteristics. The system comprises a data structure in which each element stores a set of compensation parameters (preferably including FIR filter coefficients) for predistorting t ...


2
Andrew S Wright, Bartholomeus T W Klijsen, Paul V Yee, Chun Yeung Kevin Hung, Steven J Bennett: Digital predistortion methods for wideband amplifiers. PMC Sierra, Knobbe Martens Olson & Bear, July 1, 2003: US06587514 (192 worldwide citation)

A wideband predistortion system compensates for a nonlinear amplifier's frequency and time dependent AM-AM and AM-PM distortion characteristics. The system comprises a data structure in which each element stores a set of compensation parameters (preferably including FIR filter coefficients) for ...


3
Andrew S Wright, Bartholomeus T W Klijsen, Paul V Yee, Chun Yeung Kevin Hung, Steven J Bennett: Transmission antenna array system with predistortion. PMC Sierra, Knobbe Martens Olson & Bear, February 24, 2004: US06697436 (163 worldwide citation)

A predistortion system adaptively compensates for distortion introduced along one or more amplification chains of a power amplifier system. In one embodiment, the predistortion system includes a plurality of compensation circuits, each of which is coupled to, and configured to digitally predistort a ...


4
Andrew S Wright, Bartholomeus T W Klijsen, Paul V Yee, Chun Yeung Kevin Hung, Steven J Bennett: Amplifier measurement and modeling processes for use in generating predistortion parameters. PMC Sierra, Knobbe Martens Olson & Bear, October 1, 2002: US06459334 (82 worldwide citation)

A wideband predistortion system compensates for a nonlinear amplifier's frequency and time dependent AM—AM and AM-PM distortion characteristics. The system comprises a data structure in which each element stores a set of compensation parameters (preferably including FIR filter coefficients) for ...


5
Andrew S Wright, Bartholomeus T W Klijsen, Paul V Yee, Chun Yeung Kevin Hung, Steven J Bennett: Amplifier measurement and modeling processes for use in generating predistortion parameters. PMC Sierrs, Knobbe Martens Olson & Bear, May 14, 2002: US06388513 (81 worldwide citation)

A wideband predistortion system compensates for a nonlinear amplifier's frequency and time dependent AM-AM and AM-PM distortion characteristics. The system comprises a data structure in which each element stores a set of compensation parameters (preferably including FIR filter coefficients) for ...


6
Andrew S Wright, Bartholomeus T W Klijsen, Paul V Yee, Chun Yeung Kevin Hung, Steven J Bennett: Amplifier measurement and modeling processes for use in generating predistortion parameters. PMC Sierra, Knobbe Martens Olson & Bear, November 5, 2002: US06476670 (79 worldwide citation)

A wideband predistortion system compensates for a nonlinear amplifier's frequency and time dependent AM—AM and AM-PM distortion characteristics. The system comprises a data structure in which each element stores a set of compensation parameters (preferably including FIR filter coefficients) for ...


7
Andrew S Wright, Bartholomeus T W Klijsen, Paul V Yee, Chun Yeung Kevin Hung, Steven J Bennett: Predistortion amplifier system with separately controllable amplifiers. PMC Sierra, Knobbe Martens Olson & Bear, January 29, 2002: US06342810 (66 worldwide citation)

A wideband predistortion system compensates for a nonlinear amplifier's frequency and time dependent AM—AM and AM-PM distortion characteristics. The system comprises a data structure in which each element stores a set of compensation parameters (preferably including FIR filter coefficients) for ...


8
Andrew S Wright, Derek J W Ho, Bartholomeus T W Klijsen: Constant gain digital predistortion controller for linearization of non-linear amplifiers. PMC Sierra, Knobbe Martens Olson & Bear, June 6, 2006: US07058369 (55 worldwide citation)

The invention is related to methods and apparatus for controlling and adapting a digital predistortion linearizer for amplification of bandlimited signals using non-linear amplifiers. The control method advantageously permits the predistortion function applied by a predistortion entity to provide a ...


9
Andrew S Wright, Bartholomeus T W Klijsen, Paul V Yee, Chun Yeung Kevin Hung, Steven J Bennett: Amplifier measurement and modeling processes for use in generating predistortion parameters. PMC Sierra, Knobbe Martens Olson & Bear, March 12, 2002: US06356146 (37 worldwide citation)

A wideband predistortion system compensates for a nonlinear amplifier's frequency and time dependent AM-AM and AM-PM distortion characteristics. The system comprises a data structure in which each element stores a set of compensation parameters (preferably including FIR filter coefficients) for ...


10
Andrew S Wright, Derek J W Ho, Bartholomeus T W Klijsen: Constant gain digital predistortion controller for linearization of non-linear amplifiers. PMC Sierra, Knobbe Martens Olson & Bear, March 4, 2008: US07340223 (16 worldwide citation)

The invention is related to methods and apparatus for controlling and adapting a digital predistortion linearizer for amplification of bandlimited signals using non-linear amplifiers. The control method advantageously permits the predistortion function applied by a predistortion entity to provide a ...



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