Featured patents

Amplifier Device and Predistortion Control Method
US 08472556 B2, June 25, 2013, Zhiqi Wang et al. / Fujitsu Limited (Kawasaki, JP)
An amplifier device, comprising a predistorter, a predistortion controller,…

Antenna Tuning Using the Ratio of Complex Forward and Reflected Signals
US 08767871 B2, July 1, 2014, Bongseok Park et al. / Broadcom Corporation (Irvine, US)
A method for controlling an antenna tuner coupled between a power amplifier (PA)…

Apparatus and Method for Enveloping Tracking Calibration
US 08873677 B1, Oct. 28, 2014, John Alex Interrante et al. / Samsung Electronics Co., Ltd. (Suwon-si, KR)
An apparatus for envelope tracking calibration for use in a wireless…

Apparatus and Methods for Envelope Tracking
US 08718188 B2, May 6, 2014, Sabah Khesbak et al. / Skyworks Solutions, Inc. (Woburn, US)
A power amplifier system comprising:…

Architecture and the Training Method of a PA DPD System With Space Mapping Applied in the Predistorter
US 08811532 B2, Aug. 19, 2014, Chunlong Bai / Telefonaktiebolaget L M Ericsson (publ) (Stockholm, SE
A transmitter comprising: a power amplifier configured to amplify a power…

Bandpass Sampling Schemes for Observation Receiver for Use in PA DPD System for Concurrent Multi-Band Signals
US 08634494 B2, Jan. 21, 2014, Chunlong Bai / Telefonaktiebolaget L M Ericsson (publ) (Stockholm, SE
A system comprising:…

Calibration Systems for Wireless Electronic Devices
US 08798198 B2, Aug. 5, 2014, Gary Lang Do / Apple Inc. (Cupertino, US)
A method of calibrating an electronic device having wireless communications…

Circuit and Transmitter for Reducing Transmitter Gain Asymmetry Variation
US 08848829 B2, Sept. 30, 2014, Chao Lu et al. / Mediatek Singapore Pte. Ltd. (Singapore, SG)
A circuit comprising:…

Close-Loop Power Amplifier Pre-Distortion Correction
US 08615054 B2, Dec. 24, 2013, Emanuel Cohen / Intel Corporation (Santa Clara, US)
A wireless communication system comprising:…

Communication Device and Power Correction Method
US 08520772 B2, Aug. 27, 2013, Michiko Satou et al. / Fujitsu Limited (Kawasaki, JP)
A communication device that compensates a distortion of a transmission signal,…

Communication System and Method With PAPR; And Backoff Configured for Equilibrium
US 08804873 B1, Aug. 12, 2014, Ronald Duane McCallister / CrestCom, Inc. (Scottsdale, US)
A transmitter configured to broadcast an amplified signal capable of being…

Compensating for a Radio Frequency Amplifier
US 08750416 B2, June 10, 2014, Doug Foote et al. / Broadcast Electronics (Quincy, US)
A method to compensate an input to a radio frequency amplifier, the method…

Composite Power Amplifier, Transmitter, and Composite-Power-Amplifier Control Method
US 08798199 B2, Aug. 5, 2014, Alexander N. Lozhkin / Fujitsu Limited (Kawasaki, JP)
A composite power amplifier that separates an input signal into separated…

Controlling a Transmit Path Based on Monitored Error Vector Magnitude (EVM) Performance
US 08837635 B2, Sept. 16, 2014, Robert Lorenz et al. / Broadcom Corporation (Irvine, US)
A method for controlling a transmit path, including a power amplifier (PA),…

Digital Frequency Modulation Aided AMPM Predistortion Digital Transmitter
US 08824594 B2, Sept. 2, 2014, Dennis Mahoney et al. / MStar Semiconductor, Inc. (Hsinchu Hsien, TW)
A digital transmitter comprising:…

Digital Pre-Distortion Processing Method and Apparatus
US 08526537 B2, Sept. 3, 2013, Yuemin Cai et al. / China Academy of Telecommunications Technology (Beijing, CN)
A Digital Pre-Distortion (DPD), processing method in a Time…

Digital Predistortion (DPD) Method and System for Selecting at Least One Data Sample
US 08687733 B1, April 1, 2014, Shahin Gheitanchi et al. / Altera Corporation (San Jose, US)
A method of selecting at least one data sample, said method comprising:…

Digital Predistortion for Nonlinear RF Power Amplifiers
US 08699620 B1, April 15, 2014, Songping Wu / Marvell International Ltd. (Hamilton, BM)
A method, comprising:…

Discrete Digital Transmitter
US 08781025 B2, July 15, 2014, Ahmadreza (Reza) Rofougaran et al. / Broadcom Corporation (Irvine, US)
A transmitter comprising:…

Distortion and Aliasing Reduction for Digital to Analog Conversion
US 08494086 B2, July 23, 2013, Thomas J. Kolze / Broadcom Corporation (Irvine, US)
An apparatus, comprising:…

Distortion Compensation Amplifier Device and Distortion Compensation Method
US 08798197 B2, Aug. 5, 2014, Shuya Hirata et al. / Fujitsu Limited (Kawasaki, JP)
A distortion compensation amplifier device for compensating for distortion…

Distortion Compensation Circuit and a Distortion Compensation Method
US 08446980 B2, May 21, 2013, Junya Ashita / NEC Corporation (Tokyo, JP)
A distortion compensation circuit comprising:…

Distortion Compensation Circuit, Transmitting Apparatus and Distortion Compensating Method
US 08848828 B2, Sept. 30, 2014, Junya Ashita et al. / NEC Corporation (Tokyo, JP)
A distortion compensation circuit for compensating for distortion characteristics…

Dutycycle Adjustment to Improve Efficiency of a Digital RF-PA
US 08699619 B2, April 15, 2014, Hendrik Visser et al. / Ericsson Modems SA (Plan-les-Ouates, CH)
An RF amplification unit configured to generate an amplified analog signal…

Dynamic Determination of Volterra Kernels for Digital Pre-Distortion
US 08804872 B1, Aug. 12, 2014, Xiaohan Chen et al. / Texas Instruments Incorporated (Dallas, US)
A method of Digital Pre Distortion (DPD) comprising the steps of:…

High Efficiency, Remotely Reconfigurable Remote Radio Head Unit System and Method for Wireless Communications
US 08824595 B2, Sept. 2, 2014, Wan-Jong Kim et al. / Dali Systems Co. Ltd. (George Town Grand Cayman, KY)
A multiple-channel remote radio head unit for wireless communications comprising:…

High Efficiency, Remotely Reconfigurable Remote Radio Head Unit System and Method for Wireless Communications
US 08542768 B2, Sept. 24, 2013, Wan Jong Kim et al. / Dali Systems Co. Ltd. (George Town, Grand Cayman, KY)
A dual channel remote radio head unit for wireless communications comprising:…

High Output Power Digital TX
US 08542769 B2, Sept. 24, 2013, Sami Vilhonen / ST-Ericsson SA (Plan-les-Ouates, CH)
A digital-to-analog upconverter configured to convert a baseband digital value…

Input Drive Control for Switcher Regulated Power Amplifier Modules
US 08761305 B2, June 24, 2014, Nasserullah Khan et al. / BlackBerry Limited (Waterloo, Ontario, CA)
A control system for a transmitter of a wireless device, the transmitter having…

LIN Network, Integrated Circuit and Method Therefor
US 08750415 B2, June 10, 2014, Thierry Sicard / Freescale Semiconductor, Inc. (Austin, US)
A Linear Interconnect Network (LIN) network comprising:…

Patentorg has 85 documents under Power Amplifier Patents.

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