Low-power-consumption beidou receiver based on cloud calculation and positioning method thereof

A positioning method and receiver technology, applied in satellite radio beacon positioning system, reducing energy consumption, measuring devices, etc., can solve the problems of Beidou receiving chip's difficult periodic work power consumption, low transmission rate of satellite ephemeris data, etc. , to achieve the effect of reducing working time and power consumption

Inactive Publication Date: 2013-09-25
SOUTH CHINA UNIV OF TECH
View PDF5 Cites 15 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The Beidou receiver used in portable devices needs to complete the processes of satellite signal acquisition, tracking, navigation message extraction, and positioning calculation. Due to the low transmission rate of satellite ephemeris data, taking the D1 navigation message format as an example, the data rate is only 50bps , so the independent Beidou receiver needs

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Low-power-consumption beidou receiver based on cloud calculation and positioning method thereof
  • Low-power-consumption beidou receiver based on cloud calculation and positioning method thereof
  • Low-power-consumption beidou receiver based on cloud calculation and positioning method thereof

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0034] Example 1:

[0035] Such as figure 1 with figure 2 As shown, the Beidou receiver of this embodiment includes a connected user terminal and a cloud. The user terminal is a mobile terminal and includes a radio frequency front-end module, a controller module, a data buffer module, and a wireless data transmission module.

[0036] Such as figure 1 And as image 3 As shown, the positioning process of the Beidou receiver in this embodiment is as follows:

[0037] 1) The user end is in low power consumption mode by default. The user end sends a positioning request to the cloud at a certain moment, and each module of the user end starts to work. The RF front-end module outputs intermediate frequency data at a sampling rate of 16.368MHz with a bit width of 2bit. The intermediate frequency data is written into the data buffer module under the control of the controller module. At the same time, the controller module reads the intermediate frequency data of the data buffer module, and t...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention discloses a low-power-consumption beidou receiver based on cloud calculation and a positioning method of the low-power-consumption beidou receiver. The receiver comprises a client and cloud which are connected. The positioning method comprises the steps that a positioning request and intermediate-frequency data are sent to the cloud by the client; after receiving the positioning request of the client, the cloud receives the intermediate-frequency data sent by the client, and calculation of the position of the client is achieved through a rough time navigation method; a positioning result is sent to the client by the cloud; when receiving the positioning result, the client finishes positioning once, is shifted to a low-power-consumption mode, and waits for a next-time positioning request. Because the rough time navigation method is adopted, the client just needs to collect several milliseconds of intermediate-frequency data and sends the intermediate-frequency data to the cloud, the working time of the client is greatly reduced when being compared with the working time, which lasts at least 30 seconds, of an independent beidou receiver, and the time when the client is in a closed mode or a low-power-consumption mode is more.

Description

technical field [0001] The invention relates to a Beidou receiver and its positioning method, in particular to a cloud computing-based low-power Beidou receiver and its positioning method, belonging to the field of Beidou receiver cloud computing. Background technique [0002] In recent years, the rise of smart phones and tablet computers, especially the very popular location-based service (LBS), has stimulated the popularization of satellite navigation receivers. Satellite navigation receivers have become portable devices such as smart phones and tablet computers. The standard configuration of the equipment. [0003] The Beidou receiver used in portable devices needs to complete the processes of satellite signal acquisition, tracking, navigation message extraction, and positioning calculation. Due to the low transmission rate of satellite ephemeris data, taking the D1 navigation message format as an example, the data rate is only 50bps , so the independent Beidou receiver ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): G01S19/34H04W84/18G01S19/42
CPCY02D30/70
Inventor 姜小波梁祥泰
Owner SOUTH CHINA UNIV OF TECH
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap