CN109490922A - A kind of automatic switchover system and method for RTK optimum cellular network working form - Google Patents
A kind of automatic switchover system and method for RTK optimum cellular network working form Download PDFInfo
- Publication number
- CN109490922A CN109490922A CN201811382762.7A CN201811382762A CN109490922A CN 109490922 A CN109490922 A CN 109490922A CN 201811382762 A CN201811382762 A CN 201811382762A CN 109490922 A CN109490922 A CN 109490922A
- Authority
- CN
- China
- Prior art keywords
- data
- cellular network
- module
- rtk
- differential corrections
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
- G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/40—Correcting position, velocity or attitude
- G01S19/41—Differential correction, e.g. DGPS [differential GPS]
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The present invention discloses the automatic switchover system and method for a kind of RTK optimum cellular network working form, and automatic switchover system includes: Cloud Server module, for differential corrections data needed for providing RTK location technology；Host, it is connected with Cloud Server, corresponding positional parameter is calculated by set algorithm according to each differential corrections data packet, and judgement is compared in the positional parameter under different operating standard, cellular network is automatically switched into working form corresponding to optimal positional parameter；The automatic switching method, which includes S1:RTK host, downloads differential corrections data from Cloud Server module；S2: judge the quality of data；S3: positioning accuracy and difference delay time are calculated；S4: the differential corrections quality of data, difference delay time and positioning accuracy data under record different operating standard；S5: comprehensive descision selects and automatically switches to corresponding best effort standard, to reach quick high accuracy positioning function.
Description
Technical field
The present invention relates to RTK high-acruracy survey control fields, and in particular to a kind of RTK optimum cellular network working form
Automatic switchover system and method.
Background technique
As GNSS (Global Navigation Satellite System Global Satellite Navigation System) is high-precision fixed
For position technology in the development of fields of measurement, RTK (Real-Time Kinematic real time dynamic differential method) product is as vast survey
Draw user first.
By the cellular network module on RTK product, wireless networking capabilities are realized, in real time from CORS (Continue
Operating kind Reference Station continuous operation of the reference station) differential corrections data are obtained on server, reach precision
Locating effect.Although current LTE cellular network is highly developed, but there are many places, LTE weak output signal, even
Its service efficiency is no more than GSM network.And the cellular network module work of RTK product, always highest standard (LTE) first.I.e.
Make current LTE weak output signal, cellular network module will not automatically switch to the mode of low standard.Cause RTK product from
The differential data obtained on CORS server is of poor quality and delay is grown, and influences the final positioning accuracy and locating speed of RTK product.
Summary of the invention
In view of the deficiencies of the prior art, the purpose of the present invention is intended to provide a kind of RTK optimum cellular network working form
Automatic switchover system and method automatically switch honeycomb working form, realize the difference delay higher effect of short and positioning accuracy.
To achieve the above object, the present invention adopts the following technical scheme:
A kind of automatic switchover system of RTK optimum cellular network working form, comprising:
Cloud Server module, for differential corrections data needed for providing RTK location technology；
Host is connected with Cloud Server, by switch cellular network working form, download under each working form by
The differential corrections data packet that Cloud Server module provides, calculates correspondence by set algorithm according to each differential corrections data packet
Positional parameter, and judgement is compared in the positional parameter under different operating standard, it is optimal fixed to select according to judging result
Position parameter, and cellular network is automatically switched into working form corresponding to optimal positional parameter.
Host obtained from Cloud Server module differential data delay length, comprehensive descision cellular network operation it is multiple not
With the positioning accuracy and difference delay time under working form, switching cellular network module, which works in, makes differential corrections data delay
The short and final highest working form of positioning accuracy, it is ensured that the cellular network moment of RTK host works in optimal working form
Under, to improve positioning accuracy and solve the problems, such as that differential data is ropy.
Further, the positional parameter includes differential corrections data integrity, difference delay time and positioning accuracy.
The quality that can determine whether out differential corrections data by differential corrections data integrity, by judging differential corrections data
Integrality, difference delay time and positioning accuracy, the signal that more can comprehensively understand current cellular networks working form are asked
Topic.
Further, the host includes:
Cellular network module is connect with Cloud Server module, receives the work of cellular network module respectively in different operating system
The differential corrections data downloaded in real time from Cloud Server module under formula；
Resolve packet module is connect with cellular network module, is received cellular network module under different operating standard and is transmitted
Differential corrections data packet, under different operating standard differential corrections data packet carry out one by one parsing examine, respectively judge it is poor
Divide the integrality of amendment data packet；
Positioning calculation module is connect with resolve packet module, and correct differential corrections will be examined under each working form
Data packet calculates positioning accuracy, difference delay time by set algorithm；
The resulting each working form of resolve packet module and positioning calculation module is divided into timing by master control judgment module
Judgement is compared in interior differential corrections data integrity, difference delay time and positioning accuracy data, according to judging result
Optimal working form is selected as the final working form of cellular network module；
Cellular network standard switching module, is connected with master control judgment module and cellular network module, is judged according to master control
The final result of module sends instructions to cellular network module, forces switching cellular network module working form.
It is comprehensive according to the differential corrections quality of data, delay time and positioning accuracy of the cellular network module under different systems
It closes judgement and identifies under which kind of standard that the best in quality of differential corrections data, delay time are most short and positioning accuracy is high, and is automatic strong
Cellular network module processed works to this optimal standard.
Further, the preferential transfer sequence of the different operating standard is TDD-LTE/FDD-LTE, TD-SCDMA/
WCDMA/EVDO、CDMA/GSM。
Wherein TDD-LTE/FDD-LTE is 4G network, and TD-SCDMA/WCDMA/EVDO is 3G network, and CDMA/GSM is
2G network；RTK host is in 4G network at first and works, and when 4G network signal is bad, RTK host automatic forced switches honeycomb
The working form of network module is forced to be switched to 3G working form, if 3G network signal is bad, that is, force to be switched to 2G work
Make standard.
Further, the Cloud Server module is set as CORS server.
Further, the host further include:
Logging modle, record resolve packet module within the set time the data volume of complete differential corrections data packet and
Positioning calculation module difference delay time within the set time, positioning accuracy data, and transfer data to master control and judge mould
It is handled in block.
Logging modle automatically records parameter, can ensure that the integrality of supplemental characteristic, while convenient for master control judgment module to ginseng
Number data are transferred, and the speed of execution is improved, and reduce network flow.
A kind of automatic switching method of RTK optimum cellular network working form, comprising:
Step S1:RTK host work downloads differential corrections data in cellular network data chain, from Cloud Server module；
Step S2:RTK host parses the differential corrections data packet received, judges the quality of data；
Step S3:RTK host application differential corrections data carry out positioning calculation, when calculating positioning accuracy and difference delay
Between；
Step S4:RTK host successively record the differential corrections quality of data under different operating standard, difference delay time and
Positioning accuracy data；
Step S5: it is carried out according to the differential corrections quality of data, difference delay time and positioning accuracy data under different systems
Comprehensive descision selects and automatically switches to corresponding best effort standard.
The data-link refers to that RTK host obtains the approach of differential corrections data, and the data-link generally comprises radio station, bee
Nest network module；The cellular network module is current the whole network open network module, including following 7 kinds of working forms: TDD-
LTE、FDD-LTE、TD-SCDMA、WCDMA、EVDO、CDMA、GSM。
Further, the data record sequence of the step S4 are as follows:
The differential corrections quality of data, difference delay time and positioning accurate under the current LTE standard of step S40:RTK host record
Degree；
Step S41:RTK mian engine changeover working form is SCDMA/WCDMA/EVDO, and difference is repaired when recording corresponding standard
Correction data quality, difference delay time and positioning accuracy；
Step S42:RTK mian engine changeover working form is CDMA/GSM, and differential corrections data matter when recording corresponding standard
Amount, difference delay time and positioning accuracy.
RTK chiller priority is in highest working form LTE, when RTK aster Resolution to the difference under highest working form
When correcting the quality of data, delay time and positioning accuracy data lower than the data under other working forms, then cellular network mould
Block successively switches to SCDMA/WCDMA/EVDO, CDMA/GSM working form automatically, then is identified by comprehensive descision and force honeycomb
Network module work optimal working form most short to the best in quality of differential corrections data, delay time and high positioning accuracy
Under, to finally realize quick high precision positioning effect.
Further, the data-link includes but is not limited to radio station, cellular network module.
Further, whether the step S2 is by judging differential corrections data packet completely come to differential corrections data
Quality is parsed.The differential data quality is whether differential data packet is complete, the complete data packet received in certain time
Quantity.
The beneficial effects of the present invention are:
RTK host automatically switches various honeycombs according to the quality, difference delay duration and positioning accuracy of differential corrections data
The working form of network, and final choice can make that the differential corrections quality of data is high, difference delay duration is short and positioning accuracy is high
Standard, the working form final as cellular network module, reaches quick high accuracy positioning function.
Detailed description of the invention
Fig. 1 is a kind of module diagram of the automatic switchover system of RTK optimum cellular network working form of the present invention；
Fig. 2 is a kind of flow chart of the automatic switching method of RTK optimum cellular network working form of the present invention.
Specific embodiment
In the following, being described further in conjunction with attached drawing and specific embodiment to the present invention:
Embodiment one
As shown in Figure 1, a kind of automatic switchover system of RTK optimum cellular network working form, comprising:
Cloud Server module, for differential corrections data needed for providing RTK location technology；Cloud Server module is set as
CORS server.
Under RTK work pattern, base station sends its observation and survey station coordinate signal to stream by data-link together
Dynamic station, rover station not only receive the data from base station by data-link, also to acquire GPS observation data, and in system
Composition difference observation is handled in real time, while providing centimeter-level positioning result.And the positioning result is transmitted to CORS service
Device.
Host is connected with Cloud Server, by switch cellular network working form, download under each working form by
The differential corrections data packet that Cloud Server module provides, calculates correspondence by set algorithm according to each differential corrections data packet
Positional parameter, and judgement is compared in the positional parameter under different operating standard, it is optimal fixed to select according to judging result
Position parameter, and cellular network is automatically switched into working form corresponding to optimal positional parameter.
Wherein host includes:
Cellular network module is connect with Cloud Server module, receives the work of cellular network module respectively in different operating system
The differential corrections data downloaded in real time from Cloud Server module under formula；
Cellular network module can work under a variety of working forms, such as 4G, 3G, 2G network, and cellular network module is excellent
First working in highest working form LTE, i.e. 4G network can be real-time when the work of cellular network module is under a certain working form
The differential corrections data in Cloud Server are downloaded, and differential corrections data are transferred to by protocol communication in the form of data packet
In resolve packet module.
Resolve packet module is connect with cellular network module, is received cellular network module under different operating standard and is transmitted
Differential corrections data packet, under different operating standard differential corrections data packet carry out one by one parsing examine, respectively judge it is poor
Divide the integrality of amendment data packet；
Resolve packet module verifies the data in differential corrections data packet, judges all data in data packet
Whether value is in correct state, and whether differential data packet is complete, and whether the data acknowledged receipt of, which pass through, is distorted, and one
Whether the quantity for the interior complete data packet for recording and receiving of fixing time reaches setting value, so that it is determined that the matter of differential corrections data packet
Amount.
Positioning calculation module is connect with resolve packet module, and correct differential corrections will be examined under each working form
Data packet calculates positioning accuracy, difference delay time by set algorithm；
The set algorithm is GNSS positioning and computation, and correct differential corrections data packet will be examined to participate in GNSS
In positioning calculation algorithm, calculates location data, expliciting the position precision, while output difference and correct data delay duration.
Logging modle, record resolve packet module within the set time the data volume of complete differential corrections data packet and
Positioning calculation module difference delay time within the set time, positioning accuracy data, and transfer data to master control and judge mould
It is handled in block.
Master control judgment module receives differential corrections data integrity, difference delay time and positioning accurate in logging modle
Degree selects optimal working form as the final duty of cellular network module according to judging result according to judgement is compared
Formula；
The cellular network module according to provided by logging modle works in different operating standard, differential corrections data matter
Amount, difference delay time and positioning accuracy data select in different operating standard, and the differential corrections quality of data is high, delay is short, fixed
Position working form with high accuracy, as the final operating mode of cellular network module.Simultaneously by the final result of comprehensive judgment module
It is transmitted in cellular network standard switching module.
Cellular network standard switching module sends instructions to cellular network mould according to the final result of master control judgment module
Block forces cellular network module working form to be switched to the working form more rudimentary than former working form, such as by 4G network switching
2G network is switched to 3G network or 2G network, or by 3G network.
It is comprehensive according to the differential corrections quality of data, delay time and positioning accuracy of the cellular network module under different systems
It closes judgement and identifies under which kind of standard that the best in quality of differential corrections data, delay time are most short and positioning accuracy is high, and is automatic strong
Cellular network module work processed finally realizes the quick high accuracy positioning of RTK host, when shortening delay to this optimal standard
Between.
Embodiment two
As shown in Fig. 2, a kind of automatic switching method of RTK optimum cellular network working form, comprising:
Step S1:RTK host work downloads differential corrections data in cellular network data chain, from Cloud Server module；Institute
It states data-link and generally comprises radio station, cellular network module, the cellular network module is current the whole network open network module, including
Following 7 kinds of working forms: TDD-LTE, FDD-LTE, TD-SCDMA, WCDMA, EVDO, CDMA, GSM.Wherein TDD-LTE, FDD-
LTE is 4G signal, and mobile operator TD-SCDMA, connection operator WCDMA, telecom operators EVDO are 3G signal, and CDMA,
GSM is 2G signal.And the prepreerence working form of RTK host is LTE standard, i.e. 4G signal.
Step S2:RTK host parses the differential corrections data packet received, judges the quality of data；
The differential corrections data are right into the resolve packet module in RTK host by ICP/IP protocol communications
Data packet carries out parsing inspection, judges the quality of data packet, and whether the quality of data packet can complete from data packet, certain time
Whether the complete data packet quantity inside received reaches setting value to determine.
Step S3:RTK host application differential corrections data carry out positioning calculation, when calculating positioning accuracy and difference delay
Between；
RTK host will parse correct differential corrections data packet and participate in final location Calculation, be calculated by GNSS positioning calculation
Method calculates location data, expliciting the position precision and differential corrections data delay duration.
Step S4:RTK host successively record the differential corrections quality of data under different operating standard, difference delay time and
Positioning accuracy data；
Firstly, differential corrections data quality parameters and difference delay duration under the current LTE standard of RTK host record, fixed
Position precision；Further more, RTK host, according to current physical operator, switch operating standard is the mobile TS-CDMA/ of connection WCDMA/
Telecommunications EVDO and the differential corrections quality of data, delay duration and positioning accuracy when recording systems current standard；Finally, RTK host
According to current physical operator, differential corrections data matter when switch operating standard is GSM/CDMA and records the correspondence standard
Amount, delay duration and positioning accuracy.
Step S5: it is carried out according to the differential corrections quality of data, difference delay time and positioning accuracy data under different systems
Comprehensive descision selects and automatically switches to corresponding best effort standard.
According to the differential corrections quality of data, delay time and positioning accurate of the cellular network module under above-mentioned different systems
Which kind of standard degree, comprehensive descision identify under that the best in quality of differential corrections data, delay time are most short and positioning accuracy is high, and
Automatic forced cellular network module works to this optimal standard, finally realizes quick high precision positioning effect, allows RTK host
No matter it is being in which kind of job site, optimal working form can be being automatically switched to, by the standard performance moment of cellular network
It is maintained at optimum state, realizes the positioning of RTK host quick high accuracy.
It will be apparent to those skilled in the art that can make various other according to the above description of the technical scheme and ideas
Corresponding change and deformation, and all these changes and deformation all should belong to the protection scope of the claims in the present invention
Within.
Claims (10)
1. a kind of automatic switchover system of RTK optimum cellular network working form characterized by comprising
Cloud Server module, for differential corrections data needed for providing RTK location technology；
Host is connected with Cloud Server, by switching the working form of cellular network, downloads and is taken under each working form by cloud
The differential corrections data packet that device module of being engaged in provides, it is corresponding fixed to be calculated according to each differential corrections data packet by set algorithm
Position parameter, and judgement is compared in the positional parameter under different operating standard, select optimal positioning to join according to judging result
Number, and cellular network is automatically switched into working form corresponding to optimal positional parameter.
2. the automatic switchover system of RTK optimum cellular network working form according to claim 1, which is characterized in that institute
Stating positional parameter includes differential corrections data integrity, difference delay time and positioning accuracy.
3. the automatic switchover system of RTK optimum cellular network working form according to claim 1, which is characterized in that institute
Stating host includes:
Cellular network module is connect with Cloud Server module, receives the work of cellular network module respectively under different operating standard
The differential corrections data downloaded in real time from Cloud Server module；
Resolve packet module is connect with cellular network module, receives the difference that cellular network module transmits under different operating standard
Divide amendment data packet, parsing one by one is carried out to the differential corrections data packet under different operating standard and is examined, judges that difference is repaired respectively
The integrality of correction data packet；
Positioning calculation module is connect with resolve packet module, and correct differential corrections data will be examined under each working form
Packet, calculates positioning accuracy, difference delay time by set algorithm；
Master control judgment module, will be under the resulting each working form of resolve packet module and positioning calculation module in setting time
Differential corrections data integrity, difference delay time and positioning accuracy data judgement is compared, selected according to judging result
Optimal working form is as the final working form of cellular network module out；
Cellular network standard switching module, is connected with master control judgment module and cellular network module, according to master control judgment module
Final result, send instructions to cellular network module, force switching cellular network module working form.
4. the automatic switchover system of RTK optimum cellular network working form according to claim 1, which is characterized in that institute
The preferential transfer sequence for stating different operating standard is TDD-LTE/FDD-LTE, TD-SCDMA/WCDMA/EVDO, CDMA/GSM.
5. the automatic switchover system of RTK optimum cellular network working form according to claim 1, which is characterized in that institute
It states Cloud Server module and is set as CORS server.
6. the automatic switchover system of RTK optimum cellular network working form according to claim 3, which is characterized in that institute
State host further include:
Logging modle, the data volume and positioning of record resolve packet module complete differential corrections data packet within the set time
Module difference delay time within the set time, positioning accuracy data are resolved, and is transferred data in master control judgment module
It is handled.
7. a kind of automatic switching method of RTK optimum cellular network working form characterized by comprising
Step S1:RTK host work downloads differential corrections data in cellular network data chain, from Cloud Server module；
Step S2:RTK host parses the differential corrections data packet received, judges the quality of data；
Step S3:RTK host application differential corrections data carry out positioning calculation, calculate positioning accuracy and difference delay time；
Step S4:RTK host successively records the differential corrections quality of data, difference delay time and positioning under different operating standard
Accuracy data；
Step S5: it is integrated according to the differential corrections quality of data, difference delay time and positioning accuracy data under different systems
Judgement, selects and automatically switches to corresponding best effort standard.
8. the automatic switching method of RTK optimum cellular network working form according to claim 7, which is characterized in that institute
State the data record sequence of step S4 are as follows:
The differential corrections quality of data, difference delay time and positioning accuracy under the current LTE standard of step S40:RTK host record；
Step S41:RTK mian engine changeover working form is SCDMA/WCDMA/EVDO, and differential corrections number when recording corresponding standard
According to quality, difference delay time and positioning accuracy；
Step S42:RTK mian engine changeover working form is CDMA/GSM, and the differential corrections quality of data, difference when recording corresponding standard
Divide delay time and positioning accuracy.
9. the automatic switching method of RTK optimum cellular network working form according to claim 7, which is characterized in that institute
Stating data-link includes but is not limited to radio station, cellular network module.
10. the automatic switching method of RTK optimum cellular network working form according to claim 7, which is characterized in that institute
Stating step S2 is by judging whether differential corrections data packet completely parses the quality of differential corrections data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811382762.7A CN109490922A (en) | 2018-11-20 | 2018-11-20 | A kind of automatic switchover system and method for RTK optimum cellular network working form |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811382762.7A CN109490922A (en) | 2018-11-20 | 2018-11-20 | A kind of automatic switchover system and method for RTK optimum cellular network working form |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109490922A true CN109490922A (en) | 2019-03-19 |
Family
ID=65696317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811382762.7A Pending CN109490922A (en) | 2018-11-20 | 2018-11-20 | A kind of automatic switchover system and method for RTK optimum cellular network working form |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109490922A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110118984A (en) * | 2019-04-23 | 2019-08-13 | 广州南方卫星导航仪器有限公司 | It adjusts bandwidth frequency deviation parameter and improves the method and system of RTK host positioning accuracy |
| CN110988938A (en) * | 2019-12-06 | 2020-04-10 | 长沙海格北斗信息技术有限公司 | Low-power-consumption satellite navigation mobile acquisition system and method in cross-region scene |
| CN111638532A (en) * | 2020-04-14 | 2020-09-08 | 广州南方卫星导航仪器有限公司 | Network connection method, mapping system and storage medium for measurement type GNSS receiver |
| CN111694035A (en) * | 2020-06-19 | 2020-09-22 | Oppo广东移动通信有限公司 | Differential positioning method, device, terminal and storage medium |
| CN111736191A (en) * | 2020-05-29 | 2020-10-02 | 广州南方卫星导航仪器有限公司 | Automatic selection method, equipment and medium for optimal mounting point of CORS server |
| CN112558126A (en) * | 2020-12-02 | 2021-03-26 | 广州南方卫星导航仪器有限公司 | Self-adaptive adjusting method and related device for transmitting power of RTK (real time kinematic) reference station |
| JPWO2021220414A1 (en) * | 2020-04-28 | 2021-11-04 | ||
| CN114390668A (en) * | 2020-10-21 | 2022-04-22 | 中移物联网有限公司 | Positioning switching method and device and user equipment |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104698482A (en) * | 2015-02-12 | 2015-06-10 | 广州中海达定位技术有限公司 | Method and device for acquiring optimal differential data |
| CN104980986A (en) * | 2015-07-10 | 2015-10-14 | 上海斐讯数据通信技术有限公司 | Optimal communication network standard selection method and mobile terminal |
| CN105142186A (en) * | 2015-07-24 | 2015-12-09 | 广东欧珀移动通信有限公司 | Method and device for self-adaptively adjusting Internet access of terminal based on China mobile network type |
| CN106341784A (en) * | 2016-10-26 | 2017-01-18 | 广州极飞科技有限公司 | Data communication method, device and system |
| CN106772490A (en) * | 2016-12-07 | 2017-05-31 | 广州市中海达测绘仪器有限公司 | RTK differential data transmissions method and apparatus, receiver |
| CN106972965A (en) * | 2017-03-27 | 2017-07-21 | 千寻位置网络有限公司 | Terminal device and implementation method based on dual communication module differential service |
| CN107071834A (en) * | 2016-12-28 | 2017-08-18 | 山东省计算中心（国家超级计算济南中心） | The agricultural machinery high accuracy positioning means of communication based on multipath transmitting |
| CN107843909A (en) * | 2017-10-30 | 2018-03-27 | 广州极飞科技有限公司 | Localization method, system and device based on RTK |
| CN107957587A (en) * | 2017-12-01 | 2018-04-24 | 华南农业大学 | A kind of multichannel difference multimodal satellite navigation localization method and device |
| CN108012282A (en) * | 2016-10-27 | 2018-05-08 | 上海华测导航技术股份有限公司 | A kind of movement station Driving Test for automatically switching reception differential data mode drives culture method |
-
2018
- 2018-11-20 CN CN201811382762.7A patent/CN109490922A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104698482A (en) * | 2015-02-12 | 2015-06-10 | 广州中海达定位技术有限公司 | Method and device for acquiring optimal differential data |
| CN104980986A (en) * | 2015-07-10 | 2015-10-14 | 上海斐讯数据通信技术有限公司 | Optimal communication network standard selection method and mobile terminal |
| CN105142186A (en) * | 2015-07-24 | 2015-12-09 | 广东欧珀移动通信有限公司 | Method and device for self-adaptively adjusting Internet access of terminal based on China mobile network type |
| CN106341784A (en) * | 2016-10-26 | 2017-01-18 | 广州极飞科技有限公司 | Data communication method, device and system |
| CN108012282A (en) * | 2016-10-27 | 2018-05-08 | 上海华测导航技术股份有限公司 | A kind of movement station Driving Test for automatically switching reception differential data mode drives culture method |
| CN106772490A (en) * | 2016-12-07 | 2017-05-31 | 广州市中海达测绘仪器有限公司 | RTK differential data transmissions method and apparatus, receiver |
| CN107071834A (en) * | 2016-12-28 | 2017-08-18 | 山东省计算中心（国家超级计算济南中心） | The agricultural machinery high accuracy positioning means of communication based on multipath transmitting |
| CN106972965A (en) * | 2017-03-27 | 2017-07-21 | 千寻位置网络有限公司 | Terminal device and implementation method based on dual communication module differential service |
| CN107843909A (en) * | 2017-10-30 | 2018-03-27 | 广州极飞科技有限公司 | Localization method, system and device based on RTK |
| CN107957587A (en) * | 2017-12-01 | 2018-04-24 | 华南农业大学 | A kind of multichannel difference multimodal satellite navigation localization method and device |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110118984A (en) * | 2019-04-23 | 2019-08-13 | 广州南方卫星导航仪器有限公司 | It adjusts bandwidth frequency deviation parameter and improves the method and system of RTK host positioning accuracy |
| CN110988938A (en) * | 2019-12-06 | 2020-04-10 | 长沙海格北斗信息技术有限公司 | Low-power-consumption satellite navigation mobile acquisition system and method in cross-region scene |
| CN110988938B (en) * | 2019-12-06 | 2022-08-12 | 长沙海格北斗信息技术有限公司 | Low-power-consumption satellite navigation mobile acquisition system and method in cross-region scene |
| CN111638532A (en) * | 2020-04-14 | 2020-09-08 | 广州南方卫星导航仪器有限公司 | Network connection method, mapping system and storage medium for measurement type GNSS receiver |
| JPWO2021220414A1 (en) * | 2020-04-28 | 2021-11-04 | ||
| WO2021220414A1 (en) * | 2020-04-28 | 2021-11-04 | 日本電信電話株式会社 | Position measuring device, control device, positioning system, position measuring method, and program |
| JP7364060B2 (en) | 2020-04-28 | 2023-10-18 | 日本電信電話株式会社 | Position measuring device, control device, positioning system, position measuring method, and program |
| CN111736191A (en) * | 2020-05-29 | 2020-10-02 | 广州南方卫星导航仪器有限公司 | Automatic selection method, equipment and medium for optimal mounting point of CORS server |
| CN111736191B (en) * | 2020-05-29 | 2024-04-02 | 广州南方卫星导航仪器有限公司 | Automatic selection method, equipment and medium for optimal mounting point of CORS server |
| CN111694035A (en) * | 2020-06-19 | 2020-09-22 | Oppo广东移动通信有限公司 | Differential positioning method, device, terminal and storage medium |
| CN114390668A (en) * | 2020-10-21 | 2022-04-22 | 中移物联网有限公司 | Positioning switching method and device and user equipment |
| CN114390668B (en) * | 2020-10-21 | 2023-12-12 | 中移物联网有限公司 | Positioning switching method and device and user equipment |
| CN112558126A (en) * | 2020-12-02 | 2021-03-26 | 广州南方卫星导航仪器有限公司 | Self-adaptive adjusting method and related device for transmitting power of RTK (real time kinematic) reference station |
| CN112558126B (en) * | 2020-12-02 | 2024-02-20 | 广州南方卫星导航仪器有限公司 | Method and related device for adaptively adjusting transmitting power of RTK reference station |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109490922A (en) | A kind of automatic switchover system and method for RTK optimum cellular network working form | |
| CN102006621B (en) | Method, system and equipment for locating measurement and location information obtainment | |
| EP3253140B1 (en) | Apparatus and method for coordinating positioning parameters | |
| CN101438512B (en) | GNSS/GPS location-specific connection system | |
| CN108267763B (en) | Method and device for positioning | |
| CN108702585A (en) | Mixed-fingerprint identification/OTDOA location technologies and system | |
| CN101668335A (en) | Method and locating device for locating at least one mobile radio subscriber | |
| CN108934038B (en) | Base station state testing method and device, base station testing system and terminal | |
| WO2010093294A1 (en) | Method and arrangement for determining terminal position | |
| EP3624497A1 (en) | Positioning offset correction method and apparatus | |
| WO2013172758A1 (en) | Localization configuration to make location information available in user equipment | |
| CN104521297B (en) | mobile terminal location measurement processing method and device | |
| WO2012058960A1 (en) | Positioning method and device for mobile terminals | |
| CN105848098A (en) | Method and network element for positioning terminal | |
| CN103220780A (en) | Indoor positioning method, device and system | |
| CN104378731A (en) | Blind switching or blind redirection method and system and associated equipment | |
| JP2021514592A (en) | Handover from a moving base station | |
| CN102843766B (en) | Method and system for locating Home NodeB, method and system for updating location information | |
| EP3227710A1 (en) | Improving accuracy when determining positions in a wireless network | |
| CN102547836B (en) | Method, device and system for determining motion trail of mobile terminal | |
| CN107703484A (en) | The Precision Orientation Algorithm of wireless sensor network | |
| CN105376715A (en) | Positioning information acquisition method and device | |
| CN107505631B (en) | Double-reference-station type GNSS control network measurement method | |
| CN1700663B (en) | Wireless network optimization subtest method | |
| US20140256354A1 (en) | Mobile broadband device and assisted positioning method therefor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190319 |