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Mobile space four dimensional information service system and terminals thereof and location method

A space information service and information service system technology, applied in the direction of location information-based services, satellite radio beacon positioning systems, transmission systems, etc., can solve the problem of few space information service functions, imperfect positioning, and no dual-satellite inter-calibration Technical solutions and other issues to achieve the effects of cost reduction, convenient monitoring and tracking, and a wide range of applications

Inactive Publication Date: 2012-10-10
NANJING UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] At present, there is no mobile spatial information service in the strict sense, but there are already some technologies and products that can provide related services, such as vehicle navigation equipment, or technologies such as navigation and information query using mobile smart and communication devices such as PDAs and mobile phones. These technologies are not perfect in terms of positioning, and there are few spatial information service functions that can be realized. They also do not involve the technical scheme of dual-star mutual calibration and the technology combined with other wireless positioning methods. These are all problems to be solved

Method used

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  • Mobile space four dimensional information service system and terminals thereof and location method
  • Mobile space four dimensional information service system and terminals thereof and location method
  • Mobile space four dimensional information service system and terminals thereof and location method

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Embodiment Construction

[0047] The present invention will be further described below in conjunction with the accompanying drawings.

[0048] Such as figure 1 It is the four-dimensional information user terminal in the present invention, and its specific hardware platform is constituted as figure 2 shown. The workflow of the 4D information user terminal is as follows: image 3 As shown in the given software flow chart, the data interaction mode of the mobile spatial information service platform on the side of the control center consists of Figure 4 As shown, the monitoring software design hierarchy diagram consists of Figure 5 As shown, the specific flow chart is given by Figure 6 shown. The specific working steps of the whole system are as follows:

[0049] After the four-dimensional information user terminal equipment is powered on, the ARM hardware platform 5 first initializes the hardware working parameters, and then enters the working process according to the predetermined working mode....

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Abstract

The invention discloses a mobile space four dimensional information service system and terminals thereof and a location method. Application terminals are developed based on the service system; indoor and outdoor acquisition of four dimensional information of one's own side and four dimensional information of an opposite side can be carried out by users; tracking, storing, processing and transmission of user information can be carried out by the service system; Beidou satellite navigation systems having all three features such as positioning, timing and short message transmission are utilized by service system terminals in a great outdoor range, and Beidou / GPS double correction technologies are adopted by the service system terminals to acquire positioning and timing information of one's own side and the opposite side; regional wireless location technology is adopted at relatively weak satellite signal regions, and three dimensional location problems are solved by combining data integrated technologies, a regional localization algorithm and a wireless sensor network multi-hop relay algorithm. An embodiment of the invention is applicable to conditions that many people are at a large region and both management staff and users themselves are required to know very well about position information; the embodiment of the invention is applicable to large stadiums and gymnasiums to guide the audience to take seats and maintain order at a scene to ensure a smooth game.

Description

technical field [0001] The invention relates to a comprehensive positioning method and a space information service system, which combines radio frequency, satellite positioning and digital geographic technology. It specifically relates to a mobile space four-dimensional information service system and its terminal equipment and positioning method, which can not only perform accurate positioning outdoors, but also obtain accurate three-dimensional positioning information indoors, and can also be monitored by the service control center and obtained by the service control center. The information sent by the mobile space information service platform belongs to the technical field of wireless communication. Background technique [0002] According to statistics, 80% of the various information in human production and life is related to geographic space location. By making full use of digital information and communication network technology, we can build a platform using digital info...

Claims

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Application Information

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IPC IPC(8): H04L29/08H04W4/02G01S19/46
Inventor 叶芝慧张婧倪睿
Owner NANJING UNIV
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