CN106912076B - Differential data broadcasting system and method are applied in a kind of multiple terminals more - Google Patents

Differential data broadcasting system and method are applied in a kind of multiple terminals more Download PDF

Info

Publication number
CN106912076B
CN106912076B CN201710190355.5A CN201710190355A CN106912076B CN 106912076 B CN106912076 B CN 106912076B CN 201710190355 A CN201710190355 A CN 201710190355A CN 106912076 B CN106912076 B CN 106912076B
Authority
CN
China
Prior art keywords
terminal
differential data
difference
broadcast
platform
Prior art date
Application number
CN201710190355.5A
Other languages
Chinese (zh)
Other versions
CN106912076A (en
Inventor
周睿
Original Assignee
千寻位置网络有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 千寻位置网络有限公司 filed Critical 千寻位置网络有限公司
Priority to CN201710190355.5A priority Critical patent/CN106912076B/en
Publication of CN106912076A publication Critical patent/CN106912076A/en
Application granted granted Critical
Publication of CN106912076B publication Critical patent/CN106912076B/en

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W28/00Network traffic or resource management
    • H04W28/02Traffic management, e.g. flow control or congestion control
    • H04W28/06Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W28/00Network traffic or resource management
    • H04W28/02Traffic management, e.g. flow control or congestion control
    • H04W28/06Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information
    • H04W28/065Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information using assembly or disassembly of packets
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W28/00Network traffic or resource management
    • H04W28/02Traffic management, e.g. flow control or congestion control
    • H04W28/08Load balancing or load distribution

Abstract

The present invention provides a kind of multiple terminals and differential data broadcasting system, including difference is applied to broadcast platform, at least one base station and at least 1 terminal device more;The terminal device includes at least 1 application;Difference broadcasts the differential data that platform convergence base station uploads;Difference broadcasts platform and carries out intelligent converge operation to differential data required for terminal device, and the differential data after intelligence convergence is broadcast to terminal device, after terminal device receives the differential data for broadcasting, it is scheduled and distributes again according to the actual conditions more applied.The data that the present invention broadcasts needs are uniformly processed, and difference broadcasts platform and carries out intelligent evaluation to differential data, and client is scheduled shunting again, can achieve the effect that save network bandwidth and flow.

Description

Differential data broadcasting system and method are applied in a kind of multiple terminals more

Technical field

The present invention relates to technical field of satellite navigation, in particular to a kind of multiple terminals apply more differential data broadcasting system and Method.

Background technique

The basic principle of differential position is: the base station (also known as base station or reference station) of known accurate coordinate calculates Oneself the distance correction of satellite is arrived out, and uniformly uploads to data center, the formed ground enhancing of base station and data center System (difference broadcasts platform).Difference broadcasts platform and in real time sends this data on the terminal device for needing to position.Terminal is set The differential data that platform issues is broadcast for difference while carrying out moonscope, is also received, and its positioning result is carried out Correction, to improve positioning accuracy.Difference is generally divided into carrier phase differential data and pseudo range difference data, is respectively used to terminal Equipment carries out carrier phase difference (RTK, Real Time Kinematic) positioning and pseudo range difference (RTD, Real Time Differential it) positions, wherein carrier phase differential positioning, precision is high, but the high requirements on the equipment, and cost is also high, availability It is low, it is used primarily in survey field;Pseudo range difference positioning, low for equipment requirements, at low cost, availability is high, moderate accuracy, Ke Yiyong In civil navigation field.

The international ocean shipping cause radio technology committee (RTCM, Radio Technical Commission for Maritime Services) format of differential data is defined, and recommend that need the terminal device that positions and difference to broadcast flat Service agreement NTRIP (Networked Transport of RTCM via Internet Protocol) between platform.At present Using carrier phase position terminal and pseudo range difference positioning terminal, all follow NTRIP agreement and RTCM data format.Terminal Equipment is generally all broadcast platform with difference by wireless network and is connect.

For need to receive the differential data that satellite navigation ground based augmentation system (differential data broadcasts platform) is broadcast so as to For the terminal device for carrying out precise positioning, according to whether a terminal device has multiple applications that can be divided into two types:

1, only one application of terminal device, such as the professional surveying and mapping equipment of survey field, unmanned plane, bicycle;

2, a terminal device has multiple applications, such as mobile phone, automobile.

Existing satellite difference data broadcast based on NTRIP agreement (by internet carry out RTCM network transmission agreement, Networked Transport of RTCM via Intemet Protocol), user authentication is based on NTRIP protocol definition Difference account (including user name and difference password).It needs the terminal device of precise positioning and difference to broadcast platform generally all to pass through Mobile network is attached, and the bandwidth of mobile network is typically limited, and the network flow of terminal is also to need to generate Expense.For having the terminal of multiple applications, such as mobile phone, traditional method needs to create multiple difference accounts, if it is mobile phone On each application create a difference account, such difference broadcasts platform and needs to broadcast for each application on the terminal device Send out differential data.It is possible that the differential data that each application needs is same format, such terminal device network flow consumption It is larger.

Summary of the invention

Platform is broadcast the technical problem to be solved by the present invention is to difference, and intelligence is carried out to the differential data of premises equipment requests Identify, and carry out broadcasting for province's flow according to the actual situation, after terminal device receives the differential data for broadcasting, according to more The actual conditions of application are scheduled and distribute again.

The technical solution adopted by the present invention is that:

Differential data broadcasting system is applied in a kind of multiple terminals more, including difference broadcasts platform, at least one base station and at least 1 terminal device;Difference broadcasts the differential data that platform convergence base station uploads;Difference broadcasts platform to required for terminal device Differential data carry out intelligent converge operation, and the differential data after intelligence convergence is broadcast to terminal device.

Further, the difference broadcast platform include base station data receiver processing module, terminal device poller module, Differential data library, intelligent convergence module and difference broadcasting module;Base station data receiver processing module receives and processing base station The differential data of upload, and differential data is stored in differential data library by treated;Differential data library and terminal device poll mould Block is connected with intelligent convergence module;All terminal devices of terminal device poller module poll are parsed and are broadcast required for terminal device Differential data;Intelligent convergence module carries out intelligent converge operation to the differential data broadcast required for terminal device;Difference is broadcast Hair module broadcasts the differential data after intelligence convergence to terminal device.

Further, the terminal device includes differential received module, intelligent diverter module and at least one application;Difference Receiving module receives difference and broadcasts the differential data that platform is broadcast;The difference number that intelligent diverter module receives differential received module Each application is distributed to according to the intelligent shunting of progress, and by the differential data after intelligence shunting.

Further, the terminal device includes mobile phone and automobile.

Further, the terminal device and difference broadcast platform and pass through wireless network connection.

A kind of multiple terminals apply differential data broadcasting method more, comprising the following steps:

Step 1, difference broadcasts platform and receives the differential data that base station uploads, and carries out convergence and calculation processing;

Step 2, difference broadcasts all terminal devices of platform poll, finds out more application terminal equipment, and parse needs and broadcast The differential data of hair;

Step 3, difference broadcasts platform and carries out intelligent converge operation to differential data required for more application terminal equipment;

Step 4, difference broadcasts platform and broadcasts the differential data after intelligence convergence to terminal device;

Step 5, terminal device carries out intelligent shunting to the differential data received, and the differential data after intelligence shunting is divided Issue each application;

Step 6, each application on terminal device carries out positioning calculation according to the differential data received.

Further, when carrying out intelligent converge operation in the step 3, the frequency of broadcasting that difference broadcasts platform sets for terminal The maximum of standby all application requests broadcasts frequency, and the differential data format broadcast is the difference that all application requests of terminal device are broadcast The union of divided data format.

Further, when carrying out intelligence shunting in the step 5, the frequency of broadcasting that difference broadcasts platform is that terminal device is every A to broadcast frequency using actual request, the differential data format broadcast is that terminal device (13) each application actual request is broadcast Differential data format.

The data that the present invention broadcasts needs are uniformly processed, and difference broadcasts platform and carries out intelligent evaluation to differential data, Terminal device is scheduled shunting again, can reach the beneficial effect for saving network bandwidth and flow.

Detailed description of the invention

Fig. 1 is system structure of the invention figure.

Fig. 2 is that difference broadcasts plateform system architecture diagram.

Fig. 3 is terminal device system architecture diagram.

Fig. 4 is flow chart of the present invention.

Specific embodiment

Hereinafter, the present invention is further elaborated in conjunction with the accompanying drawings and embodiments.

Differential data broadcasting system is applied as shown in Figure 1, including that difference broadcasts platform 12, at least 1 in multiple terminals of the present invention more A base station 11 and at least 1 terminal device 13;Base station 11 has known accurate coordinate, receives satellite-signal, and calculating is come from Oneself arrives the distance correction of satellite, and differential data is uniformly uploaded to difference and broadcasts platform 12;Difference broadcasts the convergence of platform 12 The differential data that all base stations 11 upload;Difference broadcasts platform 12 and carries out intelligence to differential data required for terminal device 13 Converge operation, and according to the first slightly position of terminal device 13, the differential data after intelligence convergence is broadcast to terminal device 13; Terminal device 13 needs to receive differential data to carry out precise positioning.

Fig. 2 is that difference broadcasts 12 system architecture diagram of platform, including base station data receiver processing module 121, terminal device Poller module 122, differential data library 123, intelligent convergence module 124 and difference broadcasting module 125;The processing of base station data receiver The differential data that module 121 receives and processing base station 11 uploads, and differential data is stored in differential data library by treated 123;Differential data library 123 is connect with terminal device poller module 122 and intelligent convergence module 124;Terminal device poller module All terminal devices 13 of 122 polls parse the differential data broadcast required for terminal device 13;124 pairs of ends of intelligent convergence module The differential data broadcast required for end equipment 13 carries out intelligent converge operation;Difference broadcasting module 125 will be after intelligence convergence Differential data is broadcast to terminal device 13.

Fig. 3 is 13 system architecture diagram of terminal device, including differential received module 131, intelligent diverter module 132 and at least 1 It is a to apply 133;Differential received module 131 receives difference and broadcasts the differential data that platform 12 is broadcast;132 pairs of differences of intelligent diverter module The differential data for dividing receiving module 131 to receive carries out intelligent shunting, and the differential data after intelligence shunting is distributed to each answer With 133.

Preferably, the terminal device 13 includes mobile phone and automobile.

Preferably, the terminal device 13 and difference, which broadcast platform 12, passes through wireless network connection.

Apply differential data broadcasting method flow chart as shown in Figure 4 in multiple terminals of the present invention more, comprising the following steps:

Step 1, difference broadcasts platform 12 and receives the differential data that base station 11 uploads, and carries out convergence and calculation processing.

Step 2, difference broadcasts all terminal devices 13 of 12 poll of platform, and finds out in the presence of the terminal device more applied 13, and parse the differential data for needing to broadcast.

Step 3, difference broadcasts platform 12 and carries out intelligent convergence to differential data required for the terminal device 13 more applied Operation.

When carrying out intelligent converge operation in the step 3, what difference broadcast platform 12 broadcasts frequency as 13 institute of terminal device Have and broadcast frequency using the maximum of 133 requests, the differential data format broadcast is that all 133 requests of application of terminal device 13 are broadcast Differential data format union:

For example, it is to broadcast for 5 seconds one that the 1st application request, which broadcasts frequency, in terminal device, the 2nd application request in terminal device Broadcasting frequency is to broadcast for 10 seconds one, then practical broadcast the differential data of the terminal device was broadcast for 5 seconds one;

The 1st application request broadcasts GPS differential data in terminal device, and the 2nd application request of terminal device broadcasts Beidou Differential data, then the practical differential data to the terminal device is GPS+ Beidou.

Step 4, difference broadcasts platform 12 and broadcasts the differential data after intelligence convergence to terminal device 13.

Step 5, terminal device 13 carries out intelligent shunting to the differential data received, and is distributed to and needs each of differential data It is a to apply 133.

When carrying out intelligence shunting in the step 5, the frequency of broadcasting that difference broadcasts platform 12 is that terminal device 13 is each answered Frequency is broadcast with 133 actual requests, the differential data format broadcast is that 133 actual requests of each application of terminal device 13 are broadcast Differential data format:

For example, the frequency of broadcasting that terminal device has received after intelligence convergence is 5 seconds one data broadcast.1st application is asked Asking and broadcasting frequency is to broadcast for 5 seconds one, then the practical differential data to the 1st application in the terminal device is broadcast broadcast for 5 seconds one;Terminal It is to broadcast for 10 seconds one that the 2nd application request, which broadcasts frequency, in equipment, then the practical differential data to the 2nd application in the terminal device It broadcasts and was broadcast for 10 seconds one;

Terminal device has received the differential data of the GPS+ Beidou after intelligence convergence.It is poor that 1st application request broadcasts GPS Divided data, then practical is GPS to the differential data that the 1st application is broadcast in terminal device;2nd application request in terminal device Beidou differential data is broadcast, then practical is Beidou to the differential data that the 2nd application is broadcast in terminal device.

Step 6, each application 133 on terminal device 13 carries out positioning calculation according to the differential data received.

The present invention does not specially require computer programming language, it is preferred to use JAVA language.

Although the invention has been described by way of example and in terms of the preferred embodiments, but it is not for limiting the present invention, any this field Technical staff without departing from the spirit and scope of the present invention, may be by the methods and technical content of the disclosure above to this hair Bright technical solution makes possible variation and modification, therefore, anything that does not depart from the technical scheme of the invention, and according to the present invention Technical spirit any simple modifications, equivalents, and modifications to the above embodiments, belong to technical solution of the present invention Protection scope.

Claims (6)

1. differential data broadcasting method is applied in a kind of multiple terminals more, which comprises the following steps:
Step 1, difference broadcasts platform (12) and receives the differential data that base station (11) upload, and carries out convergence and calculation processing;
Step 2, difference broadcasts all terminal devices of platform (12) poll (13), finds out more application terminal equipment (13), and solve Analysis needs the differential data broadcast;
Step 3, difference broadcasts platform (12) and carries out intelligence convergence behaviour to differential data required for more application terminal equipment (13) Make;
Step 4, the differential data that difference broadcasts after platform (12) converges intelligence, which is broadcast, gives terminal device (13);
Step 5, terminal device (13) carries out intelligent shunting to the differential data received, and the differential data after intelligence shunting is divided Issue each application (133);
Step 6, each application (133) on terminal device (13) carries out positioning calculation according to the differential data received;
When carrying out intelligent converge operation in the step 3, what difference broadcast platform (12) broadcasts frequency as terminal device (13) institute The maximum for having application (133) to request broadcasts frequency, and the differential data format broadcast is that terminal device (13) all applications (133) are asked Seek the union for the differential data format broadcast;
When carrying out intelligence shunting in the step 5, the frequency of broadcasting that difference broadcasts platform (12) is that terminal device (13) are each answered Frequency is broadcast with (133) actual request, the differential data format broadcast is that terminal device (13) each application (133) is actually asked Seek the differential data format broadcast.
2. differential data broadcasting system is applied in a kind of multiple terminals for claim 1 the method more, which is characterized in that including Difference broadcasts platform (12), at least one base station (11) and at least 1 terminal device (13);Difference broadcasts platform (12) convergence The differential data that base station (11) uploads;Difference broadcasts platform (12) and carries out intelligence to differential data required for terminal device (13) Energy converge operation, and the differential data after intelligence convergence is broadcast and gives terminal device (13).
3. broadcasting system as claimed in claim 2, which is characterized in that it includes base station data that the difference, which broadcasts platform (12), Receiving processing module (121), terminal device poller module (122), differential data library (123), intelligent convergence module (124) and poor Divide broadcasting module (125);The difference number that base station data receiver processing module (121) receives and processing base station (11) uploads According to, and differential data is stored in differential data library (123) by treated;Differential data library (123) and terminal device poller module (122) it is connected with intelligent convergence module (124);All terminal devices of terminal device poller module (122) poll (13), parsing is eventually The differential data broadcast required for end equipment (13);Intelligent convergence module (124) is to the difference broadcast required for terminal device (13) Divided data carries out intelligent converge operation;Differential data after intelligence convergence is broadcast and is set to terminal by difference broadcasting module (125) Standby (13).
4. broadcasting system as claimed in claim 2, which is characterized in that the terminal device (13) includes differential received module (131), intelligent diverter module (132) and at least one apply (133);Differential received module (131) receives difference and broadcasts platform (12) differential data broadcast;Intelligent diverter module (132) carries out intelligence to the differential data that differential received module (131) receives It shunts, and the differential data after intelligence shunting is distributed to each application (133).
5. broadcasting system as claimed in claim 2, which is characterized in that the terminal device (13) includes mobile phone and automobile.
6. broadcasting system as claimed in claim 2, which is characterized in that the terminal device (13) and difference broadcast platform (12) Pass through wireless network connection.
CN201710190355.5A 2017-03-27 2017-03-27 Differential data broadcasting system and method are applied in a kind of multiple terminals more CN106912076B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710190355.5A CN106912076B (en) 2017-03-27 2017-03-27 Differential data broadcasting system and method are applied in a kind of multiple terminals more

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710190355.5A CN106912076B (en) 2017-03-27 2017-03-27 Differential data broadcasting system and method are applied in a kind of multiple terminals more

Publications (2)

Publication Number Publication Date
CN106912076A CN106912076A (en) 2017-06-30
CN106912076B true CN106912076B (en) 2019-05-07

Family

ID=59195050

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710190355.5A CN106912076B (en) 2017-03-27 2017-03-27 Differential data broadcasting system and method are applied in a kind of multiple terminals more

Country Status (1)

Country Link
CN (1) CN106912076B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107426205A (en) * 2017-07-17 2017-12-01 北方信息控制研究院集团有限公司 The efficient broadcasting method of differential data product accessed towards high concurrent user
CN107765275B (en) * 2017-09-04 2019-12-27 深圳市时空导航科技有限公司 Wide-area differential positioning method, device, terminal and computer readable storage medium

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103823228A (en) * 2014-01-29 2014-05-28 北京红旗胜利科技发展有限责任公司 Positioning system, terminal, and positioning method
WO2014171108A1 (en) * 2013-04-16 2014-10-23 株式会社デンソー Map-difference-data distribution device, vehicle navigation device, and map-difference-data distribution method
CN104754729A (en) * 2013-12-27 2015-07-01 上海博泰悦臻网络技术服务有限公司 Navigation positioning method, device and system
CN104749582A (en) * 2013-12-27 2015-07-01 中国移动通信集团公司 Method for transmitting differential data, method for determining GPS positioning data and device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014171108A1 (en) * 2013-04-16 2014-10-23 株式会社デンソー Map-difference-data distribution device, vehicle navigation device, and map-difference-data distribution method
CN104754729A (en) * 2013-12-27 2015-07-01 上海博泰悦臻网络技术服务有限公司 Navigation positioning method, device and system
CN104749582A (en) * 2013-12-27 2015-07-01 中国移动通信集团公司 Method for transmitting differential data, method for determining GPS positioning data and device
CN103823228A (en) * 2014-01-29 2014-05-28 北京红旗胜利科技发展有限责任公司 Positioning system, terminal, and positioning method

Also Published As

Publication number Publication date
CN106912076A (en) 2017-06-30

Similar Documents

Publication Publication Date Title
US20190137594A1 (en) Service Enhancements Using Near Field Communication
US9319519B2 (en) Systems and methods for IP and VoIP device location determination
KR101826213B1 (en) System and method for channel information exchange for time of flight range determination
US9494427B2 (en) System and method for providing a directional interface
US9642110B2 (en) GPS and WLAN hybrid position determination
US9294875B2 (en) Method for determining position of terminal in cellular mobile communication system
US9476965B2 (en) Differentiated station location
CN104620127B (en) For being accurately positioned determining method
US8965284B2 (en) Facilitating positioning through Bluetooth low energy wireless messaging
US7340217B2 (en) Positional information providing apparatus communication terminal mobile communication terminal and positional information providing method
TWI532352B (en) Evolved packet core less direct mode communication system and communication attaching method thereof
CN105447103B (en) Red packet orients distribution method, apparatus and system
CN101641932B (en) Apparatus for providing location information of hand-held device and method thereof
JP3751936B2 (en) Time adjustment system and time adjustment method
US5732387A (en) Method and apparatus for call establishment in a satellite communication system
EP3332264B1 (en) Enhanced passive positioning with adaptive active positioning
Zhang et al. Cooperative localization in 5G networks: A survey
KR101572745B1 (en) Providing wireless transmitter almanac information to mobile station based on expected contribution to future navigation operation
US8831632B2 (en) Efficient resource usage for location sharing in computer networks
US20030035544A1 (en) Apparatus and method for secure distribution of mobile station location information
US9830641B2 (en) Ordering systems and method
US20070184845A1 (en) Providing geographic context for applications and services on a wide area network
CN104093125A (en) Method and system for using geographical position information for setting up groups
JP2011511269A (en) Method, system and apparatus for integrated wireless device location determination
US20110199917A1 (en) Collaborative sharing of location information among devices in a network

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
GR01 Patent grant
GR01 Patent grant