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Demodulation device

A demodulation device and signal technology, applied in the field of communication, can solve problems such as complex implementation of baseband demodulation algorithm

Active Publication Date: 2020-06-23
SPACE STAR TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For the characteristics of many types of data packets in the satellite communication system (such as signaling packets, business packets, etc., different types of packets have a variety of different encoding methods), the implementation of the baseband demodulation algorithm in the FPGA becomes extremely complicated.

Method used

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Embodiment Construction

[0031] In order to understand the characteristics and technical contents of the embodiments of the present application in more detail, the implementation of the embodiments of the present application will be described in detail below in conjunction with the accompanying drawings. The attached drawings are only for reference and description, and are not intended to limit the embodiments of the present application.

[0032] An embodiment of the present application provides a demodulation device, figure 1 A schematic structural diagram of an implementation of a demodulation device provided in an embodiment of this application, as shown in figure 1 As shown, the device includes: a radio frequency receiving module 11, a field programmable logic gate array FPGA module 12 and a digital signal processor DSP module 13; wherein,

[0033] Described radio frequency receiving module 11, is used for receiving baseband signal, and described baseband signal is sent to described FPGA module; ...

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Abstract

The embodiment of the invention discloses a demodulation device. The device comprises a radio frequency receiving module, a field programmable gate array FPGA module and a digital signal processor DSPmodule. Wherein the radio frequency receiving module is used for receiving a baseband signal and sending the baseband signal to the FPGA module; the FPGA module is used for carrying out channelization processing on the baseband signal and sending the processed signal to the DSP module; the DSP module is used for demodulating the processed signal and returning the demodulated signal to the FPGA module; wherein the demodulation processing comprises timing synchronization processing, carrier synchronization processing and frame synchronization processing.

Description

technical field [0001] The present application relates to the technical field of communication, in particular to a demodulation device. Background technique [0002] Satellite communication has been widely used due to its advantages of large coverage area, long communication distance, large communication capacity, and not limited by geographical conditions. With the development of communication satellite technology, the range of available frequency points for satellite communication is getting wider and wider, and the application of high-bandwidth and large-capacity satellite communication systems is also more extensive. With the rapid development of high-performance computers, the processing capability of the upper application system of the satellite communication system is also increasing day by day, but the baseband demodulation capability of the satellite communication system has become the bottleneck of realizing the high bandwidth and large capacity of the satellite co...

Claims

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Application Information

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IPC IPC(8): H04B7/185H04L25/02
CPCH04B7/1851H04B7/18513H04L25/0292Y02D30/70
Inventor 刘学毅马效波闫峥张少真成丹
Owner SPACE STAR TECH CO LTD
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