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Dynamic differential positioning method and system based on mobile edge computing (MEC)

A dynamic differential positioning and edge computing technology, applied in the field of satellite navigation, to achieve the effect of simple communication protocol, low cost, and reduced computing power consumption

Inactive Publication Date: 2020-05-01
QIANXUN SPATIAL INTELLIGENCE INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The present invention solves four main technical problems existing in the existing dynamic differential positioning method based on terminal calculation:

Method used

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  • Dynamic differential positioning method and system based on mobile edge computing (MEC)
  • Dynamic differential positioning method and system based on mobile edge computing (MEC)

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Embodiment 1

[0052] The present invention provides a dynamic differential positioning method based on edge computing, and the specific implementation process is as follows figure 1 shown, including the following steps:

[0053] Step 101, deploying a dynamic differential positioning and calculating module on the distributed edge computing server at the side of the communication base station.

[0054] Step 102, the edge computing server receives the regional difference correction value broadcast in real time from the cloud computing platform based on the satellite navigation ground-based augmentation system, and the specific steps are as follows:

[0055] a) Based on the satellite navigation ground-based augmentation system (composed of several satellite navigation ground reference stations), the cloud computing platform calculates the regional differential correction value in real time;

[0056] b) Based on the location area where the edge computing server is located, the cloud computing ...

Embodiment 2

[0070] The present invention also provides a dynamic differential positioning system based on edge computing, the specific structure is as follows figure 2 shown, including:

[0071] 1) Mobile terminals: all terminal devices that are connected to the Internet, have satellite navigation functions and require high-precision positioning, including mobile phones, wearable devices, vehicles, drones, robots, etc.

[0072] 2) Satellite navigation system: including GPS, Beidou, GLONASS, Galileo and other GNSS systems, and regional satellite augmentation systems;

[0073] 3) Distributed edge computing server: generally provided by communication operators, deployed in communication base stations, providing IT service environment and cloud computing capabilities at the edge of the mobile network, and deploying various applications for third-party users.

[0074] 4) Communication network: the operator's 4G / 5G mobile communication network for data transmission.

[0075] 5) Differential ...

Embodiment 3

[0079] The present invention also provides a memory, the memory stores a computer program, and the computer program performs the following steps:

[0080] Deploy the dynamic differential positioning solution module on the edge computing server;

[0081] The edge computing server receives the regional difference correction value broadcast in real time from the cloud computing platform, and the cloud computing platform is based on the satellite navigation ground-based augmentation system;

[0082] The edge computing server receives the observation data based on the satellite navigation system from the mobile terminal;

[0083] The edge computing server performs differential calculation through the dynamic differential positioning calculation module according to the regional differential correction value and the observation data of the mobile terminal, and obtains the high-precision positioning result of the mobile terminal and sends it to the mobile terminal;

[0084] The mobil...

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Abstract

The invention provides a dynamic differential positioning method based on mobile edge computing (MEC). The method comprises the following steps: dynamic differential positioning calculation modules are deployed on an MEC server; the MEC server receives regional differential correction values that are broadcast by a cloud computing platform in a real-time manner, wherein the cloud computing platform is based on a satellite navigation ground-based augmentation system; the MEC server receives observation data, which is based on a satellite navigation system, from a mobile terminal; the MEC servercarries out differential calculation according to the regional differential correction values and the observation data of the mobile terminal and through the dynamic differential positioning calculation modules so as to obtain a high-precision positioning result of the mobile terminal, and sends the high-precision positioning result to the mobile terminal; and the mobile terminal receives the high-precision positioning result from the MEC server. The method provided by the invention has the characteristics of millisecond-scale delays, large system capacity, high disaster tolerance, and high simplicity of a communication protocol.

Description

technical field [0001] The invention relates to the technical field of satellite navigation, in particular to a dynamic differential positioning method and system based on edge computing. Background technique [0002] Edge Computing (Mobile Edge Computing, MEC) is a new term that has emerged in the field of communication and information in recent years. Intuitively, it is to compress those giant data centers and install them on the side of devices such as wireless communication base stations. Provide IT service environment and cloud computing capabilities to reduce delays in network operations and service delivery, and its technical features mainly include "proximity, low delay, high bandwidth and location awareness". [0003] The basic principle of real-time dynamic differential positioning technology is to arrange multiple satellite navigation ground reference stations evenly in a large area to form a ground-based augmentation system, and try to eliminate or weaken various...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01S19/41
CPCG01S19/41
Inventor 陈渊暐隋春辉张栋
Owner QIANXUN SPATIAL INTELLIGENCE INC
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