CN108848442A - A kind of mobile terminal of mobile telephone positioning system based on CORS - Google Patents
A kind of mobile terminal of mobile telephone positioning system based on CORS Download PDFInfo
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- CN108848442A CN108848442A CN201810349937.8A CN201810349937A CN108848442A CN 108848442 A CN108848442 A CN 108848442A CN 201810349937 A CN201810349937 A CN 201810349937A CN 108848442 A CN108848442 A CN 108848442A
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- gps
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/024—Guidance services
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
- Navigation (AREA)
Abstract
The mobile terminal of mobile telephone positioning system based on CORS that the invention discloses a kind of, including GPS module, communication module, parsing module, computation analysis module and information display module；The GPS module and communication module are that mobile terminal of mobile telephone is included, GPS module is for obtaining GPS data, communication module realizes that mobile terminal of mobile telephone is associated with the server of CORS data center, receives the correcting information of CORS data center offer for carrying out wireless communication；The parsing module is used to interpret the location data and status data in GPS data；The correcting information that the computation analysis module is provided according to CORS data center carries out calculating correction to GPS data, and result is shown by information display module.
Description
Technical field
The mobile terminal of mobile telephone positioning system based on CORS that the present invention relates to a kind of.
Background technique
With the development of GPS technology, there is RTK (Real-time kinematic, in real time dynamically) and operation later
Reference System CORS (Continuous Operational Reference System), so that existing positioning accuracy is got over
Come higher, application range is also more and more extensive.But the location technology based on mobile terminal, especially Mobile Telephone Gps and positioning invention
Precision also rest on the degree of several meters or tens meters so that its application range is narrow, therefore to have become mobile phone fixed for precision
The bottleneck of position development.
Summary of the invention
The method of the present invention in view of the deficiencies of the prior art, discloses a kind of mobile terminal of mobile telephone positioning system based on CORS
System, including GPS module, communication module, parsing module, computation analysis module and information display module；
The GPS module and communication module are that mobile terminal of mobile telephone is included, and GPS module is communicated for obtaining GPS data
Module realizes that mobile terminal of mobile telephone is associated with the server of CORS data center, receives CORS data for carrying out wireless communication
The correcting information that center provides；
The parsing module is used to interpret the location data and status data in GPS data；
The computation analysis module carries out calculating correction to GPS data according to the correcting information that CORS data center provides,
And result is shown by information display module；
The workflow of the system is as follows：
Step 1, mobile terminal of mobile telephone is connected by wireless network mode (GPRS, CDMA or other wireless network modes)
The server of CORS data center, and pass through the correcting information of communication module acquisition CORS data center；
Step 2, mobile terminal of mobile telephone acquires GPS data by the GPS module of itself, and is interpreted and determined using parsing module
Position data and status data；
Step 3, computation analysis module carries out calculating correction to GPS data according to the correcting information that CORS data center provides
It (can be using weighted mean method, partial derivative method and least variance method etc., bibliography：Guo Xing, Shi Kun .GPS network RTK error
Corrections generation algorithm precision analysis [J] In Jiangxi Science, 2010,28 (5)), and result is shown by information display module
Show.
The system carries out calculating correction to GPS data using both of which, and one is mobile phones to resolve mode, and another kind is
Server resolves mode；
Mode is resolved if it is mobile phone, in step 3, mobile phone directly passes through computation analysis module, according to CORS data center
The correcting information of offer carries out calculating correction to GPS data；
Mode is resolved if it is server, in step 3, GPS data is first sent in CORS data by mobile terminal of mobile telephone
The server of the heart, server carry out calculating correction to GPS data according to correcting information, and it is mobile eventually that result is then sent back mobile phone
End.
The computation analysis module includes coordinate transferring, and coordinate transferring is for realizing WGS84 coordinate to mobile phone
The conversion of coordinate system coordinate needed for the user of mobile terminal, including be converted to BJ54 Coordinate System, 80 coordinate of Xi'an and Chongqing independence
Coordinate.
The correcting information that the CORS data center provides includes (bibliography：Sun Liangyu, Liu Chun, vast and boundless Hang Bin .GPS are empty
The analysis and decoding [J] global positioning system of quasi- reference station RTCM transmitting text, 2008 (5))：
RTCM V2.0, V2.1 pseudo range difference update information, serve the user of m grades of location navigations；
RTCM V2.0, V2.1 phase difference update information serve the user of cm grades, dm grades positioning；
Network RTK Differential corrections, serve network RTK user；
RINEX V2.0 original observed data serves the user of subsequent mm grades of positioning；
RAIM system integrity monitoring information, serves total user, provides system Complete relation.
Beneficial effect：Existing cellphone GPS positioning is all to use One-Point Location, so that positioning accuracy rests on always 5~50m
Left and right largely affects the application range of mobile phone positioning.The amendment that present system is sent by CORS data center
Information, is observed the correction of data, to improve precision.
Detailed description of the invention
The present invention is done with reference to the accompanying drawings and detailed description and is further illustrated, it is of the invention above-mentioned or
Otherwise advantage will become apparent.
Fig. 1 is system structure of the invention figure.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and embodiments.
As shown in Figure 1, the invention discloses a kind of mobile terminal of mobile telephone positioning system based on CORS, including GPS module,
Communication module, parsing module, computation analysis module and information display module；
The GPS module and communication module are that mobile terminal of mobile telephone is included, and GPS module is communicated for obtaining GPS data
Module realizes that mobile terminal of mobile telephone is associated with the server of CORS data center, receives CORS data for carrying out wireless communication
The correcting information that center provides；
The parsing module is used to interpret the location data and status data in GPS data；
The computation analysis module carries out calculating correction to GPS data according to the correcting information that CORS data center provides,
And result is shown by information display module；
The workflow of the system is as follows：
Step 1, mobile terminal of mobile telephone is connected by wireless network mode (GPRS, CDMA or other wireless network modes)
The server of CORS data center, and pass through the correcting information of communication module acquisition CORS data center；
Step 2, mobile terminal of mobile telephone acquires GPS data by the GPS module of itself, and is interpreted and determined using parsing module
Position data and status data；
Step 3, computation analysis module carries out calculating correction to GPS data according to the correcting information that CORS data center provides
It (can be using weighted mean method, partial derivative method and least variance method etc., bibliography：Guo Xing, Shi Kun .GPS network RTK error
Corrections generation algorithm precision analysis [J] In Jiangxi Science, 2010,28 (5)), and result is shown by information display module
Show.
The system carries out calculating correction to GPS data using both of which, and one is mobile phones to resolve mode, and another kind is
Server resolves mode；
Mode is resolved if it is mobile phone, in step 3, mobile phone directly passes through computation analysis module, according to CORS data center
The correcting information of offer carries out calculating correction to GPS data；
Mode is resolved if it is server, in step 3, GPS data is first sent in CORS data by mobile terminal of mobile telephone
The server of the heart, server carry out calculating correction to GPS data according to correcting information, and it is mobile eventually that result is then sent back mobile phone
End.
Mobile phone resolves mode mainly by the secondary development to mobile terminal of mobile telephone, runs exploitation software by mobile phone,
Realize high accuracy positioning, it is to belong to one-way communication that entire data communication, which need to only receive the correction of CORS data center, and data are logical
Traffic is small.And by the way that the first slightly location information of mobile terminal of mobile telephone is sent to server, then it is then that server, which resolves mode,
Server is corrected with software, and result is finally sent back mobile terminal of mobile telephone, is to need two-way communication, to communicate
Expense also can be higher.
The computation analysis module includes coordinate transferring, and coordinate transferring is for realizing WGS84 coordinate to mobile phone
The conversion of coordinate system coordinate needed for the user of mobile terminal, including be converted to BJ54 Coordinate System, 80 coordinate of Xi'an and Chongqing independence
Coordinate.
Currently, continuous operation of the reference station system has become the emphasis direction of modern space location technology application.CORS system
System (i.e. CORS data center) is built by the way that networking concept is introduced into geodetic applications for social development and national economy
If providing the service (bibliography of diversification：Wang Wei, Shi Tingyu, the full .CORS systematic difference development of Zhang Zhi and the prospect city [J]
City's exploration, 2010 (3)).
Continuous operation of the reference station system can be defined as will be several by modern computer, internet and data communication technology
A continuous operation, fixed GPS reference station network consisting, is analyzed and processed the data of reference station, in real time to difference
Level, different requirements, different types of user provide GPS correction (carrier phase correction, differential correctional), state letter
System (the bibliography of breath and others GPS related service project：Li Hua, Chen Yong, Zhang Zhenyu) CORS state of development and
Establish necessity [J] information technology of CORS, 2009 (5)).
The mobile terminal of mobile telephone positioning system based on CORS that the present invention provides a kind of, implements the side of the technical solution
There are many method and approach, the above is only a preferred embodiment of the present invention, it is noted that for the common skill of the art
For art personnel, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications
Also it should be regarded as protection scope of the present invention.All undefined components in this embodiment can be implemented in the prior art.
Claims (4)
1. a kind of mobile terminal of mobile telephone positioning system based on CORS, which is characterized in that including GPS module, communication module, parsing
Module, computation analysis module and information display module；
The GPS module and communication module are that mobile terminal of mobile telephone is included, and GPS module is for obtaining GPS data, communication module
For carrying out wireless communication, realizes that mobile terminal of mobile telephone is associated with the server of CORS data center, receive CORS data center
The correcting information of offer；
The parsing module is used to interpret the location data and status data in GPS data；
The correcting information that the computation analysis module is provided according to CORS data center carries out calculating correction to GPS data, and will
As a result it is shown by information display module；
The workflow of the system is as follows：
Step 1, mobile terminal of mobile telephone connects the server of CORS data center by wireless network mode, and passes through communication module
Obtain the correcting information of CORS data center；
Step 2, mobile terminal of mobile telephone acquires GPS data by the GPS module of itself, and interprets positioning number using parsing module
According to and status data；
Step 3, the correcting information that computation analysis module is provided according to CORS data center carries out calculating correction to GPS data, and
Result is shown by information display module.
2. system according to claim 1, which is characterized in that the system counts GPS data using both of which
Correction is calculated, one is mobile phones to resolve mode, and another kind is that server resolves mode；
Mode is resolved if it is mobile phone, in step 3, mobile phone directly passes through computation analysis module, provides according to CORS data center
Correcting information calculating correction is carried out to GPS data；
Mode is resolved if it is server, in step 3, GPS data is first sent to CORS data center by mobile terminal of mobile telephone
Server, server carry out calculating correction to GPS data according to correcting information, result are then sent back mobile terminal of mobile telephone.
3. system according to claim 2, which is characterized in that the computation analysis module includes coordinate transferring, is sat
Conversion module is marked for realizing the conversion of coordinate system coordinate needed for user of the WGS84 coordinate to mobile terminal of mobile telephone, including conversion
For BJ54 Coordinate System, 80 coordinate of Xi'an and Chongqing independent coordinate.
4. system according to claim 3, which is characterized in that the correcting information that the CORS data center provides includes：
RTCM V2.0, V2.1 pseudo range difference update information, serve the user of m grades of location navigations；
RTCM V2.0, V2.1 phase difference update information serve the user of cm grades, dm grades positioning；
Network RTK Differential corrections, serve network RTK user；
RINEX V2.0 original observed data serves the user of subsequent mm grades of positioning；
RAIM system integrity monitoring information, serves total user, provides system Complete relation.
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| CN201810349937.8A CN108848442A (en) | 2018-04-18 | 2018-04-18 | A kind of mobile terminal of mobile telephone positioning system based on CORS |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020134015A1 (en) * | 2018-12-29 | 2020-07-02 | 中国银联股份有限公司 | 5g-based positioning method and 5g-based positioning system |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102540225A (en) * | 2011-12-09 | 2012-07-04 | 重庆交通大学 | Programmable smart mobile phone based CORS (continuous operational reference system) positioning implementing method |
-
2018
- 2018-04-18 CN CN201810349937.8A patent/CN108848442A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102540225A (en) * | 2011-12-09 | 2012-07-04 | 重庆交通大学 | Programmable smart mobile phone based CORS (continuous operational reference system) positioning implementing method |
Non-Patent Citations (1)
| Title |
|---|
| 令狐进: "《基于CORS的手机移动终端定位系统的设计》", 《重庆交通大学学报（自然科学版）》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020134015A1 (en) * | 2018-12-29 | 2020-07-02 | 中国银联股份有限公司 | 5g-based positioning method and 5g-based positioning system |
| US11474187B2 (en) | 2018-12-29 | 2022-10-18 | China Unionpay Co., Ltd. | Positioning method based on 5G and positioning system based on 5G |
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Application publication date: 20181120 |