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An information fusion positioning method and device

A technology that integrates positioning and positioning information, applied in the field of navigation and positioning, can solve problems such as low success rate, fixed errors, and long initialization time of ambiguity

Active Publication Date: 2020-07-07
UNICORE COMM INC +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the scene of shady trees or tall buildings, the satellite signal will have occlusion or severe multipath. At this time, the carrier phase measurement value of some satellites has large noise and multipath, which makes it difficult for RTK to fix the ambiguity of the whole circle. or fixed error
Therefore, in the case of less observations or severe satellite signal occlusion, the initialization time of the RTK ambiguity becomes longer and the success rate is lower

Method used

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  • An information fusion positioning method and device
  • An information fusion positioning method and device
  • An information fusion positioning method and device

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Embodiment Construction

[0011] Embodiments of the present application will be described in detail below in conjunction with the accompanying drawings. It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined arbitrarily with each other.

[0012] The steps shown in the flowcharts of the figures may be performed in a computer system, such as a set of computer-executable instructions. Also, although a logical order is shown in the flowcharts, in some cases the steps shown or described may be performed in an order different from that shown or described herein.

[0013] figure 1 It is a schematic diagram of the information fusion positioning method provided by the embodiment of this application. The information fusion positioning method provided in this embodiment can be implemented by an information fusion positioning device (such as a satellite signal receiver) including a visual navigation module, and the infor...

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Abstract

The invention discloses a positioning method and a device thereof. The positioning method comprises the steps of acquiring satellite blocking information and visual positioning information of a carrier through a visual navigation module; determining satellite navigation positioning information of the carrier by means of the satellite blocking information; and determining positioning information ofthe carrier according to the visual positioning information of the carrier and the satellite navigation positioning information. The positioning method and the device thereof can improve positioningperformance and precision through combining the visual positioning information and the satellite navigation positioning information.

Description

technical field [0001] This application relates to but not limited to the technical field of navigation and positioning, especially an information fusion positioning method and device. Background technique [0002] At present, the Global Navigation Satellite System (GNSS, Global Navigation Satellite System) is composed of GPS (Global Positioning System, Global Positioning System) of the United States, GLONASS of Russia, BeiDou of China and Galileo of the European Union (Galileo Satellite Navigation System). system) components. With the development of global satellite navigation and positioning technology, the demand for centimeter or even millimeter level positioning accuracy is becoming more and more urgent. GNSS real-time kinematic (RTK, Real-Time Kinematic) technology is still the most important and most commonly used positioning technology to obtain centimeter or even millimeter-level accuracy. The key point of RTK positioning technology is to fix the ambiguity of the e...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01S19/42
CPCG01S19/42
Inventor 胡刚王献中陈孔哲孙峰王亮亮
Owner UNICORE COMM INC