Embedded Beidou satellite short message communication control system

A technology of communication control and Beidou satellite, which is applied in the field of control systems, can solve problems such as manual operation, achieve the effects of improving quality, realizing automatic transmission of the system, and realizing remote measurement and reliable data transmission

Inactive Publication Date: 2017-03-22
NORTHWEST UNIV(CN)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide an embedded Beidou satellite short message communication control system for the reliability of the short message communication of the Beidou communication terminal, the need for manual operation, and the need for an external control system to communicate with the satellite. Automated transmission improves the quality of communication

Method used

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  • Embedded Beidou satellite short message communication control system
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  • Embedded Beidou satellite short message communication control system

Examples

Experimental program
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Effect test

Embodiment 1

[0022] Embodiment one, such as figure 1 As shown, an embedded Beidou satellite short message communication control system includes a measurement node, a data transceiver controller with a gateway function, a Beidou communication terminal and a server. Wherein, the measurement node is used to collect environmental data, and communicates with the gateway through the Zigbee protocol; the data transceiver controller with the gateway function collects measurement data and controls the Beidou communication terminal to send and receive data; the Beidou communication terminal communicates with the Beidou satellite Communication: the server is connected to the gateway with a twisted pair to realize real-time display, monitoring and storage of measurement data.

Embodiment 2

[0023] Embodiment 2, the measurement node includes a stand-alone chip and a temperature and humidity sensor and a smoke sensor connected to the stand-alone chip; the temperature and humidity sensor and the smoke sensor are used to collect environmental data, and the stand-alone chip passes the processed data through a wireless communication module. The environment data is sent to the gateway, and the stand-alone chip is a CC2530 stand-alone system-on-chip. The connection between CC2530 and temperature and humidity sensor and smoke sensor is as follows: figure 2 As shown, when the measurement node is working, after the CC2530 wakes up, it first reads the temperature and humidity data, then collects the smoke value through AD, and then packs the temperature, humidity, and smoke data into a 56-bit data packet: the lower 24 bits are used to store the smoke Data, the upper 32 bits are used to store temperature and humidity data. Finally, call the function and send it to the gatew...

Embodiment 3

[0024] Embodiment 3, the data transceiver controller with the gateway function includes a storage and a processor, and the storage and the processor are used to collect measurement data and subcontract processing, and perform data transmission to drive the Beidou communication terminal through the Beidou communication terminal interface Send and receive data.

[0025] like image 3 As shown, when the time for the gateway to receive the data transmitted by the measurement node reaches a certain period of time, such as 60 minutes, the gateway will divide the data into packets through the reliability transmission algorithm, and use the Beidou communication terminal communication interface RS-232 to divide the data into one packet per minute. The rate is sent to the Beidou communication terminal. The Beidou communication sending end sends data to the Beidou communication receiving end through the Beidou satellite. Transmitted environmental data and transmission and acknowledgmen...

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Abstract

The invention discloses an embedded Beidou satellite short message communication control system which comprises a measuring node, a data transmitting and receiving controller having a gateway function, a Beidou communication terminal and a server. The measuring node is used for collecting environmental data and communicating with a gateway by using a Zigbee. The data transmitting and receiving controller having the gateway function collects measurement data and controls the Beidou communication terminal to transmit and receive data. The Beidou communication terminal communicates with a Beidou satellite. The server is connected with the gateway via a twisted pair to display, monitor, and store the measurement data in real time. The data transmitting and receiving controller having the gateway function and the measuring node form a wireless sensor network. The Beidou communication terminal and an improved reliable transmission algorithm achieve remote measurement, reliable data transmission, and system automation transmission, and improve the quality of communication.

Description

technical field [0001] The invention relates to a control system relying on a satellite as a relay for communication, in particular to an embedded Beidou satellite short message communication control system. Background technique [0002] At present, in deserts, forests and remote mountainous areas, wired power supply is difficult to guarantee, wireless communication base stations cannot fully cover, and timely monitoring of landslides, mudslides, forest fires and other natural environment changes cannot be performed, causing serious damage to national property and people's lives. serious threat. One of the effective ways to solve this kind of problem is to rely on satellites as relays for communication. [0003] The Beidou satellite navigation system is a global satellite positioning and communication system independently developed by China. It is also known as the world's four major satellite navigation systems together with the GPS of the United States, GLONASS of Russia ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B7/185H04W84/18G08C17/02
CPCH04B7/18532G08C17/02H04W84/18
Inventor 李婷郭丹王娜严娇娇种兰祥
Owner NORTHWEST UNIV(CN)
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