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Inertial navigation data acquisition method and device and communication equipment

A technology of inertial navigation and acquisition method, which is applied in navigation, measuring devices, wireless communication, etc., can solve the problems affecting the accuracy of positioning, large air interface resource consumption, and large memory consumption, so as to improve accuracy, save memory and air interface The effect of resource consumption

Inactive Publication Date: 2021-01-05
CHINA MOBILE COMM LTD RES INST +1
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Problems solved by technology

[0002] In the existing positioning scenarios, the user equipment uses Wi-Fi, Bluetooth (Bluetooth) and commercial frequency band wireless signals for positioning, but the user equipment needs to keep recording the collected data, resulting in a large memory consumption, and using wireless signals for positioning is harmful The consumption of air interface resources is also very large. In addition, in areas with poor wireless coverage, it will also affect the accuracy of positioning.

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  • Inertial navigation data acquisition method and device and communication equipment
  • Inertial navigation data acquisition method and device and communication equipment
  • Inertial navigation data acquisition method and device and communication equipment

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Embodiment Construction

[0077] In order to make the technical problems, technical solutions and advantages to be solved by the embodiments of the present invention clearer, the following will describe in detail with reference to the drawings and specific embodiments.

[0078] Inertial navigation is a common relative positioning algorithm. In inertial navigation, given an initial position and an initial orientation, the position of the user device can be continuously tracked using the output of the inertial navigation sensor. The inertial navigation sensor includes a three-phase gyroscope, a three-phase accelerometer, and a three-phase magnetometer. The unit of the data output by the three-phase gyroscope in the coordinate axis centered on the user equipment is rad / s; the three-phase accelerometer is in The unit of data output on the coordinate axis centered on the user device is m / s^2; the unit of data output by the three-phase magnetometer on the coordinate axis centered on the user device is Tesla;...

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Abstract

The invention provides an inertial navigation data acquisition method and device and communication equipment, and belongs to the technical field of wireless positioning. The inertial navigation data acquisition method is applied to network side equipment and comprises the following steps: sending an inertial navigation data acquisition instruction to user equipment. The inertial navigation data acquisition method is applied to user equipment, and comprises the following steps: receiving an acquisition instruction of inertial navigation data of network side equipment, the acquisition instruction comprising an inertial navigation data acquisition condition and an inertial navigation data reporting condition; recording inertial navigation data of an inertial navigation sensor when an inertialnavigation data acquisition condition is met; and when the inertial navigation data reporting condition is met, reporting the inertial navigation data to the network side equipment. According to theinvention, the inertial navigation data of the user equipment can be collected, the inertial navigation data of the user equipment can be used for positioning, a memory and air interface resource consumption of the user equipment are saved, and in addition, the positioning accuracy can be improved in an area with poor wireless coverage.

Description

technical field [0001] The invention relates to the field of wireless positioning, in particular to a method and device for collecting inertial navigation data, and a communication device. Background technique [0002] In the existing positioning scenarios, the user equipment uses Wi-Fi, Bluetooth (Bluetooth) and commercial frequency band wireless signals for positioning, but the user equipment needs to keep recording the collected data, resulting in a large memory consumption, and using wireless signals for positioning is harmful The consumption of air interface resources is also very large. In addition, in areas with poor wireless coverage, it will also affect the accuracy of positioning. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a method and device for collecting inertial navigation data, and a communication device, which can collect inertial navigation data of user equipment, and then can use the inerti...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01C21/16H04W64/00
CPCG01C21/165H04W64/006
Inventor 刘洋胡南李男
Owner CHINA MOBILE COMM LTD RES INST
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