PXIe bus-based satellite communication system simulator

A satellite communication system and simulator technology, applied in the field of satellite communication, can solve the problems of inaccurate, time-consuming and laborious test result evaluation, etc., and achieve the effects of simulation operation, efficient and flexible synchronization mechanism, and enhanced timing synchronization function.

Inactive Publication Date: 2014-06-18
许雪梅
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  • Abstract
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  • Application Information

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Problems solved by technology

[0003] For a newly developed satellite mobile communication system and its ground simulation verification system, system performance testing is a complex and

Method used

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  • PXIe bus-based satellite communication system simulator
  • PXIe bus-based satellite communication system simulator
  • PXIe bus-based satellite communication system simulator

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Embodiment Construction

[0030] Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:

[0031] combine figure 1 As shown, the satellite communication system simulator based on the PXIe bus adopts a plug-in card structure based on the PXIe bus, and is composed of the host computer software and the hardware signal processing module. The hardware signal processing module includes eight parts: the zero-slot controller is the host Machine, IF signal generating board, up-converting board, IF signal receiving board, lower-side frequency board, clock synchronization management board and PXIe bus backplane.

[0032] In the present invention, the zero-slot controller is used as the upper computer, and the windows operating system is configured. By running the upper computer software and selecting and configuring various parameters in the satellite communication system, corresponding satellite communication data, transmission power, and signa...

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Abstract

The invention discloses a PXIe bus-based satellite communication system simulator. The PXIe bus-based satellite communication system simulator adopts a PXIe bus-based card inserting structure, and is composed of upper computer software and a hardware signal processing module; the hardware signal processing module comprises a zero slot controller, a clock synchronization management board card, an intermediate frequency signal generating board card, an intermediate frequency signal receiving board card, an upper frequency conversion board card, and a lower frequency conversion board card; and the upper computer software runs on the zero slot controller configured with the Windows operating system. According to the PXIe bus-based satellite communication system simulator, the board cards are combined flexibly; all-round full test can be carried out on the satellite communication system; and the technical advantages of the PXIe bus architecture towards an instrument system is combined to enable transmission of a reference clock to be more conveniently synchronous with multiple signal board cards and the instrument, the timing synchronization function is enhanced, and flexibility, compatibility and extensibility of the satellite communication system simulator are improved.

Description

technical field [0001] The invention belongs to the technical field of satellite communication, and in particular relates to a satellite communication system simulator based on a PXIe bus. Background technique [0002] In satellite mobile communication, different types of transceiver terminals form different types of radio wave transmission links. The radio waves on these different types of transmission links are different in frequency and transmission environment, resulting in complex signal radio wave transmission. The main influencing factors There are channel attenuation, multipath propagation, Doppler frequency, etc. [0003] For a newly developed satellite mobile communication system and its ground simulation verification system, system performance testing is a complex and difficult task, which requires repeated and long-term testing in a mobile environment, which is time-consuming and labor-intensive. is not accurate. One of the main applications of the official sim...

Claims

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Application Information

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IPC IPC(8): H04B7/185
Inventor 马士全姚亮许雪梅
Owner 许雪梅
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