Inventor
ZHAO HONGZHI
US26 patents
⚠️ This page may combine multiple inventors who share the name “ZHAO HONGZHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
XILINX INC
16 patentsUS9866269B1Jan 9, 2018
Method of and circuit for predistortion for a power amplifier
XILINX INC23 citations93
US10715702B1Jul 14, 2020
Method of and circuit for predistortion for a cable TV amplifier
XILINX INC9 citations83
US10411656B1Sep 10, 2019
Method of and circuit for crest factor reduction for a cable TV amplifier
XILINX INC9 citations83
US9455760B1Sep 27, 2016
Waveform adaptable digital predistortion
XILINX INC17 citations83
US9590567B2Mar 7, 2017
Moving mean and magnitude dual path digital predistortion
XILINX INC6 citations73
US10944444B2Mar 9, 2021
Method of and circuit for predistortion for a cable TV amplifier
XILINX INC2 citations72
US10622951B1Apr 14, 2020
Digital communications circuits and systems
XILINX INC3 citations72
US11251819B1Feb 15, 2022
Thermal effect mitigation for digital pre-distortion
XILINX INC2 citations71
US11356066B1Jun 7, 2022
Digital communications circuits and systems
XILINX INC4 citations70
US11984919B2May 14, 2024
PIM cancellation architecture
XILINX INC0 citations62
US11942904B2Mar 26, 2024
Systems and methods for digital predistortion to mitigate power amplifier bias circuit effects
XILINX INC0 citations62
US11664964B2May 30, 2023
PIM model adaptation
XILINX INC1 citations62
US11563453B1Jan 24, 2023
Time constant tracking for digital pre-distortion
XILINX INC1 citations61
US11483018B1Oct 25, 2022
Reconfigurable and scalable nonlinear filter for digital pre-distorters
XILINX INC0 citations57
US10951249B1Mar 16, 2021
System and method for time-interpolated power change in a digital pre-distortion circuit
XILINX INC0 citations55
US12587222B2Mar 24, 2026
Passive intermodulation mitigation coefficient determination based on received data
XILINX INC0 citations44
TEXAS INSTRUMENTS INC
4 patentsUS9136887B2Sep 15, 2015
Subtracting linear impairments for non-linear impairment digital pre-distortion error signal
TEXAS INSTRUMENTS INC6 citations72
US9124324B2Sep 1, 2015
Dual loop digital predistortion for power amplifiers
TEXAS INSTRUMENTS INC0 citations50
US9001928B2Apr 7, 2015
Transmitter first/second digital predistortion and first/second adaption circuitry with feedback
TEXAS INSTRUMENTS INC0 citations50
US8804872B1Aug 12, 2014
Dynamic determination of volterra kernels for digital pre-distortion
TEXAS INSTRUMENTS INC2 citations47