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Multi-port regional gridding VRS (Virtual Reference Station) differential positioning information broadcasting device and work method thereof

A differential positioning and multi-port technology, which is applied in broadcasting devices, broadcasting-specific applications, broadcasting-related systems, etc., to achieve good market prospects

Inactive Publication Date: 2012-06-20
SHANDONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] With the continuous growth of the number of users, the traditional VRS network RTK technology cannot meet the needs of many users working at the same time due to the limitation of two-way data transmission and the calculation amount of the server in the data processing center.

Method used

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  • Multi-port regional gridding VRS (Virtual Reference Station) differential positioning information broadcasting device and work method thereof
  • Multi-port regional gridding VRS (Virtual Reference Station) differential positioning information broadcasting device and work method thereof
  • Multi-port regional gridding VRS (Virtual Reference Station) differential positioning information broadcasting device and work method thereof

Examples

Experimental program
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Embodiment

[0023] A multi-port area grid VRS differential positioning information dissemination device, such as figure 1 and figure 2 Shown, comprise network RTK unit (101), data processing unit (102) and frequency modulation broadcasting unit (103); Network RTK unit (101) is connected with data processing unit (102) by optical fiber, data processing unit (102) and frequency modulation The broadcast unit (103) is connected through a serial port.

[0024] Described network RTK unit (101) is made up of network RTK reference station (201), UPS power module (202) and optical fiber interface (203), and data processing unit (102) is made up of data processing center server (204), optical fiber interface ( 203) and a data interface (205), the FM radio unit (103) is composed of a FM module (206), a broadcast transmitting antenna (207) and a data interface (205).

[0025] Described network RTK reference station (101) is the network RTK reference station (201) with GNSS RTK positioning function...

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Abstract

The invention relates to a multi-port regional gridding VRS (Virtual Reference Station) differential positioning information broadcasting device and a work method thereof, belonging to the field of measuring methods. The multi-port regional gridding VRS differential positioning information broadcasting device comprises a network RTK (Real Time Kinematic) system reference station, a data processing center and a data FM (Frequency Modulation) broadcasting unit, wherein the network RTK system reference station is connected with a data processing center server through optical fiber, and the data processing center server is connected with the data FM broadcasting unit through a serial port; and the data FM broadcasting unit is used for carrying out FM broadcasting on differential correction data packaged by a UDP (User Datagram Protocol). The work method comprises the steps of: receiving network RTK system reference station information by the data processing center, and dividing grids for the covered region of the network RTK system reference station; then solving all differential correction information of all grid virtual reference stations by utilizing a VRS algorithm, and then appointing an unique UDP port number for each grid virtual reference station and packaging the differential correction information by using the UDP protocol; finally, carrying out FM broadcasting on the UDP data packets, three-dimensional coordinates and UDP port numbers of all the grid virtual reference stations through the data FM broadcasting unit.

Description

technical field [0001] The invention relates to a multi-port regional grid VRS differential positioning information dissemination device and a working method thereof, in particular to network RTK real-time differential positioning and UDP data transmission technology, and belongs to the technical field of positioning and measurement methods. Background technique [0002] VRS network RTK technology is currently the most accurate satellite navigation and positioning method in the world. People are more and more inclined to use VRS network RTK technology for navigation, positioning and measurement operations. [0003] With the continuous growth of the number of users, the traditional VRS network RTK technology is unable to meet the needs of many users working at the same time due to the limitation of two-way data transmission and the calculation amount of the server in the data processing center. The development of VRS technology makes the RTK rover in the area near the virtual...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04H20/53H04H60/80
Inventor 邢建平沙俊臣高亮马振良周长志张海平孟祥霑
Owner SHANDONG UNIV
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