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Satellite mobile communication system data processing method

A satellite mobile communication and data processing technology, which is applied in the field of satellite communication, can solve the problems of increasing network burden, increasing data transmission delay, increasing communication costs, etc., achieving the effect of protecting safety and reducing occupied space

Inactive Publication Date: 2014-12-10
CHENGDUSCEON TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In order to achieve real-time monitoring, it is necessary to send a large amount of positioning information frequently. These huge data volumes will increase the burden on the network, resulting in increased data transmission delay and increase in communication costs, which greatly affects the performance of the tracking system.

Method used

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  • Satellite mobile communication system data processing method
  • Satellite mobile communication system data processing method
  • Satellite mobile communication system data processing method

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Experimental program
Comparison scheme
Effect test

Embodiment

[0056] The data processing method of a kind of satellite mobile communication system described in the present embodiment, comprises the following steps:

[0057] Step 1: Convert the longitude and latitude representing the original location into degrees, minutes and seconds, and perform offset processing on the longitude and latitude, and edit the offset location information into location data b1~b22 composed of 22 numbers, Among them, b1 indicates the message type, b2~b8 are degrees, minutes, and seconds of longitude, b9~b15 are degrees, minutes, and seconds of latitude, b16~b18 are speeds, b19~b21 are headings, and b22 is effective digits;

[0058] Step 2: Remove the message type b1 to obtain the position data b2~b22 composed of 21 numbers. Although the position data at this time lacks the message type b1, the value of b1 can be known at the receiving end, so b1 may not be transmitted. save space;

[0059] Step 3: Encode the location data consisting of 21 numbers obtained in...

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Abstract

The invention discloses a satellite mobile communication system data processing method which includes the steps of 1, converting longitude and latitude for representing an original location into forms of degree, minute and second, performing shifting process to the longitude and the latitude and editing shifted location information into location data composed of 22 numbers b1-b22; 2, removing a message type b1 from the 22 numbers to obtain the location data composed of 21 numbers; 3, encoding the location data composed of 21 numbers and converting the location data composed of 21 numbers into location data composed of 19 numbers; 4, by a receiver, receiving the location data composed of 19 numbers and solving the location data composed of 21 numbers through inverse operation; 5, supplementing the message type to obtain the location data composed of 22 numbers; and 6, performing inverse process to the longitude and latitude of the location data composed of 22 numbers so as to obtain information of the original location. The satellite mobile communication system data processing method can solve the problem of low channel utilization caused by high data volume, improve performance of a tracking system and further guarantee safety transmission of user data.

Description

technical field [0001] The invention relates to the field of satellite communication, in particular to a data processing method of a satellite mobile communication system. Background technique [0002] Satellite communication is the product of modern communication. Its main function is to fill the areas that cannot be covered by existing communication (wired communication, wireless communication) terminals, and provide more comprehensive services for people's work. In recent years, with the increasing status of shipping in transportation and the resulting needs of shipping safety and shipping management, the ship tracking and monitoring system has become the focus of people's attention. The real-time tracking of ships is an important part of the ship monitoring system. In the offshore, the coast station can communicate with the land, but in the vast ocean, the coast station loses its function. At this time, only rely on satellite communication. Satellite communication is u...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L1/00
Inventor 谢永锋刘小林佟力严国荣
Owner CHENGDUSCEON TECH
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