Digital predistortion device and method for band-limited simplified nonlinear filter
A non-linear filter and digital pre-distortion technology, which is applied in the direction of improving amplifiers to reduce nonlinear distortion, components of amplifying devices, amplifiers, etc., can solve problems such as the complexity of Volterra series models, and avoid complex high-order operations , reduce the difficulty of implementation, and reduce the effect of modeling time
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Example Embodiment
[0036] The present invention will be further described below in conjunction with the drawings.
[0037] figure 1 Shown is a schematic structural diagram of a digital predistortion device based on a band-limited simplified nonlinear filter proposed by the present invention, including a digital predistorter and an analog band-pass filter based on a predistortion model of the band-limited simplified nonlinear filter function , Low-pass filter, low sampling frequency analog-to-digital converter, digital-to-analog converter, broadband quadrature modulator, power amplifier, attenuation coupler, broadband quadrature demodulator and predistortion model training module, including:
[0038] The digital baseband input signal and the model parameters trained by the predistortion model training module are externally connected to the input end of the digital predistorter; the digital predistorter inputs the digital baseband signal and model parameters to the band-limited simplified nonlinear fil...
PUM
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap