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Beidou communication satellite multi-beam multi-user monitoring device and method

A Beidou communication satellite and multi-user technology, which is applied in the field of Beidou communication satellite multi-beam multi-user monitoring device, to achieve the effect of reducing system implementation cost, reducing application cost and increasing capacity

Active Publication Date: 2018-06-05
BEIJING JIUTAIN LIJIAN INFORMATION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] The present invention aims to propose a method to solve the problem of multi-beam and multi-user reception of Beidou communication satellite signals

Method used

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  • Beidou communication satellite multi-beam multi-user monitoring device and method
  • Beidou communication satellite multi-beam multi-user monitoring device and method
  • Beidou communication satellite multi-beam multi-user monitoring device and method

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Embodiment

[0040] See Figure 1-Figure 4 , the embodiment of the present invention provides a Beidou communication satellite multi-beam multi-user monitoring device, including a baseband module and a control module, the baseband module and the control module perform data transmission through the EMC bus, wherein,

[0041] The baseband module includes N×M parallel and independent I-branch channels, N×M parallel and independent Q-branch channels and 2×N×M FIFOs, and the N×M I-branch channels are respectively used It is used to capture, track, and demodulate the I-branch signals of the N×M beams emitted by the corresponding Beidou communication satellites; the N×M Q-branch channels are used to capture, track, and demodulate the corresponding Beidou communication satellites transmitted The N×M beam Q branch signals; the 2×N×M FIFOs are set corresponding to the N×M I branch channels and N×M Q branch channels, and are used to receive and buffer the corresponding I The message information sent...

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Abstract

The invention discloses a Beidou communication satellite multi-beam and multi-user receiving monitoring device which comprises a baseband module and a control module. The baseband module and the control module carry out data transmission through an EMC bus. The baseband module comprises 10 I branch channels and 10 Q branch channels, 20 independent FIFO and a complete message which is used for buffering 20 channels, wherein 10 I branch channels and 10 Q branch channels are corresponding to 5 Beidou communication satellites. The control module pre-stores initial term and polynomial parameters of a Beidou SIM card of a user needing to be monitored, is combined with quick parameter setting of the Q branch channels, and ultimately realizes the function of 10-beam and multi-user message receiving. The invention further provides a Beidou communication satellite multi-beam and multi-user receiving monitoring method. According to the invention, the device and the method can be applied to a Beidou commanding user machine or an ordinary user machine; a monitoring implementation scheme of an industry system is convenient; and the implementation cost of the system is reduced.

Description

technical field [0001] The invention relates to a Beidou-2 RDSS communication device and method, in particular to a Beidou communication satellite multi-beam multi-user monitoring device and method. Background technique [0002] The Beidou-2 satellite navigation system (BD2, Beidou-2) is a global satellite navigation system independently developed by China. As of the end of 2012, there are currently 14 satellites serving the Asia-Pacific region, including 5 GEO satellites, 5 IGSO satellites and 4 MEO satellites. Among them, the five GEO satellites of Beidou-2 provide short message communication functions, and other satellites provide navigation and positioning functions. 5 GEO satellites, each of which contains 2 independent beam signals, that is, a total of 10 independent beam signals provide short message communication services. Each beam signal contains two channels of modulation information, I and Q. [0003] Beidou "short message" is a unique function of the Beidou s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B7/185
CPCH04B7/18508
Inventor 汪兵马永忠武瑞强刘延平
Owner BEIJING JIUTAIN LIJIAN INFORMATION TECH CO LTD
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