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Satellite mobile message data communication system and communication method

A technology of message data and communication system, which is applied in the field of satellite communication, can solve the problems of high service cost, limit the expansion of satellite communication business, and cannot replace the ground cellular mobile communication system, etc., and achieve the effect of lower cost

Inactive Publication Date: 2016-06-15
ZHONGKE KAIPU TIANJIN SATELLITE NAVIGATION COMM TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the high price of satellite and its space frequency resources, its service cost is relatively high, which limits the expansion of satellite communication services and makes it unable to replace the terrestrial cellular mobile communication system

Method used

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  • Satellite mobile message data communication system and communication method
  • Satellite mobile message data communication system and communication method
  • Satellite mobile message data communication system and communication method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] figure 1 It is a schematic structural diagram of the satellite mobile message data communication system provided by the first embodiment of the present invention, consisting of figure 1 It can be seen that the satellite mobile message data communication system is characterized in that the system includes:

[0034] a satellite space segment, a communication ground station, and a user terminal, the user terminal is connected to the satellite space segment for communicating with the satellite space segment, and the communication ground station is connected to the satellite space segment for communicating with the satellite space segment, And realize the control of the satellite space segment and query the information of the user terminal. The user terminal may be a fixed station, a vehicle-mounted station, or a ship-borne station.

[0035] figure 2 It is a schematic diagram of the user terminal structure in the satellite mobile message data communication system provide...

Embodiment 2

[0048] Figure 4 It is a schematic flowchart of a method for communicating satellite mobile message data between user terminals provided in the second embodiment of the present invention; Figure 5 It is a schematic diagram of the communication method in the satellite mobile message data communication method between user terminals provided in the second embodiment. The method for communicating satellite mobile message data between user terminals provided in this embodiment is realized by the satellite mobile message data communication system provided in the foregoing embodiments.

[0049] see Figure 4 , the satellite mobile message data communication method between the user terminals, comprising:

[0050] Step 201, the first user terminal sends message information to the satellite space segment.

[0051] Step 202, the satellite space segment receives the message information of the first user terminal, and sends the message information of the first user terminal to the comm...

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Abstract

The invention provides a satellite mobile message data communication system and communication method. The system comprises a satellite space segment, a communication ground station and a user terminal. The user terminal connected with the satellite space segment is used for carrying out communication with the satellite space segment; and the communication ground station connected with the satellite space segment is used for carrying out communication with the satellite space segment, realizing controlling on the satellite space segment and querying information of the user terminal. With the satellite space segment, the communication ground station and the user terminal, an objective of GEO-and-IGSO-based satellite mobile message data communication is achieved by using the existing GEO and IGSP satellite system fully. Compared with the prior art, the system and method have an advantages of the satellite communication cost can be reduced effectively under the circumstance of the low communication rate requirement.

Description

technical field [0001] The invention belongs to the technical field of satellite communication, and in particular relates to a satellite mobile message data communication system and a communication method. Background technique [0002] The satellite mobile communication system refers to a communication system that uses communication satellites to realize mutual communication between mobile users or between mobile users and fixed users. Its biggest feature is to use the multiple-access transmission method of satellite communication to provide global users with large-span, large-scale, long-distance roaming and mobile and flexible mobile communication services, and it is not limited by the coverage of the ground communication network, and the communication cost is basically It has nothing to do with distance, it is the expansion and extension of the land cellular mobile communication system, and it has unique advantages in communication in remote areas, mountainous areas, isla...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B7/185
CPCH04B7/18515H04B7/18519H04B7/1853
Inventor 李圣明庞峰胡超
Owner ZHONGKE KAIPU TIANJIN SATELLITE NAVIGATION COMM TECH CO LTD