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Positioning system, terminal, and positioning method

A positioning terminal and positioning system technology, which is applied in the field of positioning systems, can solve the problems of complex differential positioning, low positioning efficiency, and many devices used, and achieve the effects of reducing complexity, solving inconvenient use, and reducing the number of devices

Active Publication Date: 2014-05-28
北京红旗胜利科技发展有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention provides a positioning system, a terminal and a positioning method to solve the problems of complex realization of existing differential positioning methods, low positioning efficiency, many devices and inconvenient use

Method used

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  • Positioning system, terminal, and positioning method
  • Positioning system, terminal, and positioning method
  • Positioning system, terminal, and positioning method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] Reference figure 1 , Shows a structural block diagram of a positioning system according to the first embodiment of the present invention.

[0044] The positioning system of this embodiment includes a reference station 102, a cloud server 104, and a positioning terminal 106.

[0045] Among them, the cloud server 104 includes: an acquisition module 1042 for real-time acquisition of the differential data of the reference station 102; a storage module 1044 for storing the real-time acquired differential data of the reference station, the reference station corresponding to the differential data, and the difference data and The corresponding relationship of the reference station; the determining module 1046 is used to determine the reference station requested by the differential data request according to the differential data request sent by the positioning terminal 106; the sending module 1048 is used to determine the reference station according to the correspondence between the d...

Embodiment 2

[0048] Reference figure 2 , Shows a schematic structural diagram of a positioning system according to the second embodiment of the present invention.

[0049] The positioning system of this embodiment includes: multiple reference stations, cloud servers, and multiple positioning terminals. Multiple reference stations are connected to the cloud server through wired or wireless means to aggregate differential data from various places to the cloud server. Multiple positioning terminals are connected to the cloud server in a wireless manner, so that positioning terminals in various places can obtain differential data that they can use from the cloud server.

[0050] among them,

[0051] The cloud server includes: a collection module for real-time collection of differential data of the reference station; a storage module for storing real-time collected differential data of the reference station, information of the reference station corresponding to the differential data, and the corresp...

Embodiment 3

[0081] Reference Figure 4 , Shows a structural block diagram of a terminal according to the third embodiment of the present invention.

[0082] The terminal of this embodiment includes: a request module 202, configured to send a differential data request to a cloud server to request differential data of a certain reference station, where the cloud server stores the differential data of the reference station collected by the cloud server in real time, and The information of the reference station corresponding to the differential data, and the correspondence between the differential data and the reference station; the acquisition module 204, for receiving the differential data of the reference station requested by the differential data request returned by the cloud server; the positioning module 206, for receiving Based on the differential data of the reference station, perform differential positioning on the positioning terminal.

[0083] After the requesting module 202 sends a dif...

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Abstract

The invention provides a positioning system, a terminal, and a positioning method. The positioning system comprises a reference station, a cloud server and a positioning terminal. The cloud server includes: an acquisition module, which is used for collecting differential data of the reference station in real time; a storage module, which is used for storing the differential data that are collected in real time and information of reference station corresponding to the differential data as well as a corresponding relation between the differential data and the reference station; a determination module, which is used for determining a reference station requested by a differential data request according to the differential data request sent by the positioning terminal; and a sending module, which is used for sending the differential data corresponding to the determined reference station according to the corresponding relation between the differential data and the reference station. According to the invention, the positioning efficiency is improved and the number of equipment used for differential positioning is reduced.

Description

Technical field [0001] The invention relates to the technical field of terminal positioning, in particular to a positioning system, a terminal and a positioning method. Background technique [0002] Differential positioning (Differential positioning) is also called relative positioning, which is widely used in a variety of positioning occasions, such as geodetic positioning or engineering measurement positioning where positioning is required. When implementing differential positioning, you can simply place a GPS (Global Positioning System, Global Positioning System) receiver (called a reference station) on a point with known coordinates, and use the known GPS coordinates and satellite ephemeris to calculate the observation value. The correction value (also called differential data, error correction data), and the correction value is sent to the GPS receiver in motion (called the mobile station) through the radio device (called the data link), and the mobile station applies the re...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01S19/42G01S19/41H04L29/08
CPCG01S19/41G01S19/51H04L67/51
Inventor 白锋张凯升
Owner 北京红旗胜利科技发展有限责任公司
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