Device and method for communication correction

摘要

Embodiments of the present invention provide a device and method for communication correction. The device includes a receiving channel and a correction channel, where the receiving channel includes an analog radio-frequency front end, a demodulator, a first analog-to-digital converter, and a first channel correction module that are connected sequentially, and the correction channel includes a frequency converter, a second analog-to-digital converter, and a digital processor that are connected sequentially, where the analog radio-frequency front end is further connected to the frequency converter, and the digital processor is connected to the first channel correction module. With the technical solutions of the present invention, channel correction is performed on the receiving channel by the correction channel, so as to improve the precision of receiving a radio signal.

主权项

1. A device for communication correction, comprising a receiving channel and a correction channel, wherein
the receiving channel comprises an analogue radio-frequency front end, a demodulator, a first analogue-to-digital converter, and a first channel correction module; and the correction channel comprises a frequency converter, a second analogue-to-digital converter, and a digital processor, wherein the analogue radio-frequency front end is connected to both the demodulator and the frequency converter, and is configured to amplify a received radio-frequency analogue signal, and output the amplified analogue signal to both the demodulator and the frequency converter; the demodulator is connected to the first analogue-to-digital converter, and is configured to demodulate the amplified analogue signal, and output the demodulated analogue signal to the first analogue-to-digital converter; the first analogue-to-digital converter is further connected to the first channel correction module, and is configured to perform analogue-to-digital conversion on the demodulated analogue signal to obtain a first digital signal, and output the first digital signal to the first channel correction module; the frequency converter is connected to the second analogue-to-digital converter, and is configured to perform frequency conversion processing on the amplified analogue signal to obtain a first frequency conversion analogue signal, and output the first frequency conversion analogue signal to the second analogue-to-digital converter; the second analogue-to-digital converter is connected to the digital processor, and is configured to perform analogue-to-digital conversion on the first frequency conversion analogue signal to obtain a digital signal, and output the digital signal to the digital processor; the digital processor is further connected to the first channel correction module, and is configured to perform digital processing on the digital signal to obtain a second digital signal, and output the second digital signal to the first channel correction module; and the first channel correction module is configured to correct the first digital signal according to the second digital signal, and output the corrected digital signal.