Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

5G millimeter wave radio frequency power amplifier based on efficient DPD predistortion algorithm

A technology for power amplifiers and radio frequency power, applied to amplifiers, amplifiers with semiconductor devices/discharge tubes, improved amplifiers to reduce nonlinear distortion, etc., can solve nonlinear distortion, 5G millimeter wave power amplifier nonlinear distortion, reduce Feedback loop sampling rate and other issues to achieve the effect of improving nonlinearity, reducing the bottleneck of sampling bandwidth, and improving the quality of transmitted signals

Pending Publication Date: 2022-03-29
蒋永彬
View PDF1 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Aiming at the deficiencies of the prior art, the present invention provides a 5G millimeter-wave radio frequency power amplifier based on an efficient DPD pre-distortion algorithm, which solves the problem of nonlinear distortion of the 5G millimeter-wave power amplifier and achieves the purpose of improving the nonlinear distortion of the power amplifier , improve the quality of the transmitted signal of the 5G millimeter-wave radio frequency channel, and improve the signal transmission efficiency of the radio frequency channel, so as to reduce the sampling rate of the feedback loop while still solving the problem of nonlinear distortion of the 5G millimeter-wave power amplifier

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • 5G millimeter wave radio frequency power amplifier based on efficient DPD predistortion algorithm
  • 5G millimeter wave radio frequency power amplifier based on efficient DPD predistortion algorithm
  • 5G millimeter wave radio frequency power amplifier based on efficient DPD predistortion algorithm

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0043] The implementation of the present application will be described in detail below with reference to the accompanying drawings and examples, so as to fully understand and implement the implementation process of how the present application uses technical means to solve technical problems and achieve technical effects.

[0044] figure 1 It is an embodiment of the present invention: a 5G millimeter-wave radio frequency power amplifier based on an efficient DPD pre-distortion algorithm, the DPD pre-distortion algorithm includes an under-sampling multi-step iterative pre-distortion algorithm formed based on the cooperation of two independent algorithms , and calculate the calibration value of the digital predistorter to improve the nonlinearity of the power amplifier, so as to improve the predistortion processing performance of the 5G millimeter wave radio frequency power amplifier.

[0045] Part of the algorithm is an under-sampling pre-distortion algorithm, and the other part...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention relates to the technical field of 5G millimeter wave radio frequency power amplifiers, in particular to a 5G millimeter wave radio frequency power amplifier based on an efficient DPD (Digital Pre-Distortion) predistortion algorithm, which is characterized in that the DPD predistortion algorithm comprises an undersampling multi-step iteration solving predistortion algorithm formed based on mutual cooperation of two independent algorithms, one part of the algorithms is an undersampling predistortion algorithm, and the other part of the algorithms is a multi-step iteration solving predistortion algorithm. The problem of nonlinear distortion of the 5G millimeter wave power amplifier is solved, the purpose of improving the nonlinear distortion of the power amplifier is achieved, the transmitting signal quality of a 5G millimeter wave radio frequency channel is improved, and the signal transmitting efficiency of the radio frequency channel is improved, so that the sampling rate of a feedback loop is reduced, and meanwhile, the power amplifier is improved. And the problem of nonlinear distortion of the 5G millimeter wave power amplifier can still be well solved.

Description

technical field [0001] The invention relates to the technical field of 5G millimeter wave radio frequency power amplifiers, in particular to a 5G millimeter wave radio frequency power amplifier based on an efficient DPD predistortion algorithm. Background technique [0002] The 5G millimeter wave frequency band has the characteristics of high frequency band, large bandwidth and good directionality. In 5G network planning, the Sub6Ghz low frequency band will be the user experience in 5G to achieve wide coverage and high mobility scenarios, while the millimeter wave G30 and G40 frequency bands meet the requirements of 5G. Extremely high system capacity requirements and user experience speed in hotspot areas. [0003] The radio frequency chip in the 5G millimeter wave communication system is a very critical and core component. The 5G millimeter wave radio frequency power amplifier plays a key role in the efficient and stable transmission of the 5G millimeter wave wireless signa...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): H03F1/32H03F3/195H03F3/213
CPCH03F1/3241H03F3/195H03F3/213
Inventor 蒋永彬何超
Owner 蒋永彬
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com