Vector modulating signal processing method and device

A signal processing device and vector modulation technology, applied in the field of communication, can solve the problem of low accuracy of baseband signals

Active Publication Date: 2014-04-02
BEIJING AEROSPACE MEASUREMENT & CONTROL TECH
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Problems solved by technology

[0003] In view of the above analysis, the present invention aims to provide a vector modulation signal processing method and device to solve the problem of low precision of baseband signals in the prior art

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[0034] Preferred embodiments of the present invention will be specifically described below in conjunction with the accompanying drawings, wherein the accompanying drawings constitute a part of the application and are used together with the embodiments of the present invention to explain the principle of the present invention. For the sake of clarity and simplicity, detailed descriptions of known functions and constructions in the devices described herein will be omitted when it may obscure the subject matter of the present invention.

[0035] The present invention designs a vector modulation signal processing method and device. A signal processing unit and a configuration unit are set on the FPGA, configuration parameters are set through the configuration unit, and the signal processing unit performs pulse shaping, filtering and noise reduction on the data in the FPGA according to the configuration parameters. processing, and the low-sampling rate data in a large range after pr...

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Abstract

The invention discloses a vector modulating signal processing method and a vector modulating signal processing device. The method comprises the steps of setting a signal processing unit and a configuration unit on an FPGA (Field Programmable Gate Array), setting configuration parameters through the configuration unit, carrying out pulse shaping, filtering noise reduction and the like on data sent to the FPGA according to the configuration parameters in the configuration unit, performing up-conversion on the processed large-scale data with low sampling rate through any interpolating decimation rate to some small-range data with high sampling rate, and transmitting to a DAC (Digital-to-Analog Converter) chip, thereby greatly improving the precision and purity of a baseband signal.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a vector modulation signal processing method and device. Background technique [0002] In the field of wireless communications, the sampling rate of digital baseband waveforms must be increased for several reasons. First, it improves analog performance and reduces analog filtering requirements. Second, interpolation and decimation enable sampling rate variations for devices using multiple communication standards. Third, interpolation is often required to enable digital upconversion. At present, the method of improving the spectral characteristics of the modulated signal is mainly to realize the D / A as close as possible to the antenna, but this method cannot meet the required signal accuracy requirements in practice. Therefore, how to better improve the accuracy of the baseband signal becomes Problems to be solved. Contents of the invention [0003] In view of ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L27/00
Inventor 杨依珍王凯智国宁辛丽霞刘金川张秋艳
Owner BEIJING AEROSPACE MEASUREMENT & CONTROL TECH
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