CN108152839A - Big Dipper data communication system and method based on Android operation system - Google Patents
Big Dipper data communication system and method based on Android operation system Download PDFInfo
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- CN108152839A CN108152839A CN201711405719.3A CN201711405719A CN108152839A CN 108152839 A CN108152839 A CN 108152839A CN 201711405719 A CN201711405719 A CN 201711405719A CN 108152839 A CN108152839 A CN 108152839A
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- 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
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/13—Receivers
- G01S19/35—Constructional details or hardware or software details of the signal processing chain
- G01S19/37—Hardware or software details of the signal processing chain
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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
Abstract
The invention belongs to Big Dipper positioning and communicating technical fields, disclose a kind of Big Dipper data communication system and method based on Android operation system, by using：(1) Android operation system internal location service correlation function is rewritten, gets through RNSS data channel, universal navigation positioning software is made RNSS data to can be used to complete navigation locating function；(2) increase Beidou communication service inside Android operation system, complete transmission of the Beidou communication data from Android operation system bottom to application layer, so as to which Android operation system be combined with Beidou satellite navigation system, the acquisition of Big Dipper data, parsing are placed on operating system inter-process, by GPS and the otherness transparence of Big Dipper data.
Description
Technical field
The invention belongs to Big Dipper positioning and communicating technical field more particularly to a kind of Big Dippeves based on Android operation system
Data communication system and method.
Background technology
With the quick raising of social informatization degree, demand of the people to location service information becomes increasing, special
Be not for field of mobile terminals, due to its it is portable, easy to operate the advantages that, location service information is widely used.
Android system possesses as the first real open and complete mobile platform system made for mobile terminal
Abundant software resource and application scenarios.Under Android platform there are three types of existing location technologies, respectively：GPS positioning,
WIFI is positioned and base station location.
GPS positioning needs GPS hardware supporteds, and directly and satellite interacts to obtain current longitude and latitude.This mode accuracy
Height, but shortcoming is also apparent from：No short message communication；It cannot be with friendly neighbour's sharing position coordinate；Wartime is unavailable.Android
WIFI is positioned, and according to a fixed WIFI MAC Address, by the position for the WIFI hot spot being collected into, then accesses network
On positioning service to obtain latitude and longitude coordinates.The drawback is that network must be used.Android base station locations, it is attached using mobile phone
Three near base stations carry out triangulation location, since the position of each base station is fixed, using electromagnetic wave between these three base stations
Transfer calculates the coordinate where mobile phone.The drawback is that error is larger, and there must be mobile phone signal.
Existing communication and location technology all have certain limitation, the system rejection to disturbance energy according to prior art design
Force difference, restricted application may cause system that can not use in extreme environments such as earthquake, floods.
Invention content
To lead in view of the above-mentioned problems, the purpose of the present invention is to provide a kind of Big Dipper data based on Android operation system
Believe system and method, by inside Android operation system relevant layers increase transmitting-receiving, processing and parsing to Big Dipper data,
It is not felt by the otherness of Big Dipper positioning and traditional GPS positioning operation for a user, while Beidou navigation can be enjoyed again
The convenience that system is brought.
In order to achieve the above objectives, the present invention is realised by adopting the following technical scheme.
Technical solution one：
A kind of Big Dipper data communication system based on Android operation system, the Big Dipper data communication system include：North
Bucket module, positioning navigation module, Big Dipper data communication module and the subpackage processing mould being arranged in Android operation system
Block, RNSS data resolution modules, positioning service module, Beidou communication service module；
The the first data-interface two-way communication set on the data-interface of the big dipper module and the subpackage processing module
It connects, the data input pin of the first data output end set in the subpackage processing module and the RNSS parsing modules connects
It connects, the data output end of the RNSS parsing modules is connect with the first data input pin set in the positioning service module；
The second data output end set in the subpackage processing module is connect with the second data input pin of the positioning service module,
The data output end of the positioning service module is connect with the data input pin of the positioning navigation module；
The data-interface of the second data-interface set in the subpackage processing module and the Beidou communication service module
It is bi-directionally connected, the data output end of the Beidou communication service module and the data input pin of the Big Dipper data communication module connect
It connects, the data output end of the Big Dipper data communication module is connect with the data input pin of the Beidou communication service module.
It the characteristics of technical solution of the present invention one and is further improved to：
(1) big dipper module uses serial communication with the subpackage processing module；
The big dipper module, for obtaining the Big Dipper data of Beidou satellite navigation system transmission, and by the Big Dipper data
Subpackage processing module is sent to by serial ports, the Big Dipper data include RNSS location datas and RDSS positioning and communicating data；Institute
It states RDSS positioning and communicatings data and includes RDSS location datas and RDSS communication datas；
The subpackage processing module, for being RNSS location datas, RDSS location datas and RDSS by Big Dipper data separation
Communication data, and RNSS location datas are sent to RNSS data resolution modules, RDSS location datas are sent to positioning service
Module and RDSS communication datas are sent to Beidou communication service module；
The RNSS data resolution modules obtain location information for parsing RNSS location datas, and the location information is extremely
Latitude and longitude information is included less；And the location information is sent to positioning service module；
The positioning service module for obtaining the location information and RDSS location datas, and provides Android applications
Layer interface is used for the positioning navigation module；
The positioning navigation module, the Android Applied layer interfaces for being provided by the positioning service module obtain
Location information, and carry out human-computer interaction；
The Beidou communication service module, for obtaining RDSS communication datas, and extracts the communication information, the communication information
Including at least communication type, station address, transmitting time and Content of Communication；And the communication information is sent to Big Dipper data
Communication module；
The Big Dipper data communication module for obtaining the communication information, and carries out human-computer interaction.
(2) the Beidou communication service module is registered in the system broadcasts of Android operation system offer, and the north
Being created in bucket data communication module has system broadcasts receiver, so as to which the Big Dipper data communication module is received by system broadcasts
Device obtains the communication information of Beidou communication service module transmission from system broadcasts.
(3) Big Dipper data communication module is additionally operable to through the Beidou communication service module to the big dipper module
It sends inquiry request and obtains Big Dipper data.
(4) Android operation system includes Android inner nuclear layers, hardware logic layer, JAVA locals calling layer, is
System ccf layer and application layer；It is characterized in that,
The driving unit of the Android inner nuclear layers setting big dipper module；The hardware logic layer setting big dipper module carries
Show symbol and Big Dipper data-interface；The data-interface of JAVA locals calling layer setting RNSS location datas and RDSS communication numbers
According to data-interface；The system framework layer setting positioning service interface function module and Beidou communication service interface Function Modules
Block；The application layer sets common positioning navigation module and Big Dipper data communication module.
Technical solution two：
A kind of Big Dipper data communications method based on Android operation system, the Big Dipper data communications method are applied to
Big Dipper data communication system described in technical solution one, the Big Dipper data communications method include：
Big dipper module obtains the Big Dipper data that Beidou satellite navigation system is sent, and the Big Dipper data are sent out by serial ports
Subpackage processing module is given, the Big Dipper data include RNSS location datas and RDSS positioning and communicating data；The RDSS positioning
Communication data includes RDSS location datas and RDSS communication datas；
Big Dipper data separation is RNSS location datas, RDSS location datas and RDSS communication numbers by the subpackage processing module
According to, and RNSS location datas are sent to RNSS data resolution modules, RDSS location datas are sent to positioning service module, with
And RDSS communication datas are sent to Beidou communication service module；
The RNSS data resolution modules parsing RNSS location datas obtain location information, and the location information includes at least
Latitude and longitude information；And the location information is sent to positioning service module；
The positioning service module obtains the location information and RDSS location datas, and provides Android application layers and connect
Confession positioning navigation module uses；
The positioning navigation module obtains positioning letter by the Android Applied layer interfaces that the positioning service module provides
Breath, and carry out human-computer interaction；
The Beidou communication service module obtains RDSS communication datas, and extracts the communication information, and the communication information is at least
Include communication type, station address, transmitting time and Content of Communication；And the communication information is sent to the communication of Big Dipper data
Module；
The Big Dipper data communication module obtains the communication information, and carries out human-computer interaction.
It the characteristics of technical solution of the present invention two and is further improved to：
(1) the method further includes：
The Beidou communication service module is registered in the system broadcasts of Android operation system offer, and the Big Dipper
In data communication module create system broadcasts receiver, so as to the Big Dipper data communication module by system broadcasts receiver from
The communication information that Beidou communication service module is sent is obtained in system broadcasts.
(2) the method further includes：
The Big Dipper data communication module sends inquiry by the Beidou communication service module to the big dipper module please
It asks and obtains Big Dipper data.
The present invention is to integrate Beidou communication module design based on Android operation system, proposes the one of the communication of Big Dipper data
Kind method realizes the transparence that universal map, navigation software use Beidou navigation to position；Utilize the north of Android operation system
Struggle against short message two-way communications capabilities, location navigation and the time service ability that data communications method provides, and realizes strong antijamming capability, fits
It extensively, in extreme circumstances can be applied to the emergent communication system recovered with range, application value is notable.
Description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention, for those of ordinary skill in the art, without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the Big Dipper data communication system frame structure provided in an embodiment of the present invention based on Android operation system
Schematic diagram；
Fig. 2 is Android operation system framework level schematic diagram provided in an embodiment of the present invention；
Fig. 3 is RNSS data overall procedure schematic diagram inside Android operation system provided in an embodiment of the present invention；
Fig. 4 is basic procedure schematic diagram of the RNSS data at HAL layers；
Fig. 5 is basic procedure schematic diagram one of the RNSS data at JNI layers；
Fig. 6 is basic procedure schematic diagram two of the RNSS data at JNI layers；
Fig. 7 is basic procedure schematic diagram of the RNSS data at Framework layers；
Fig. 8 is basic procedure schematic diagram of the RNSS data in application layer；
Fig. 9 is RDSS data overall procedure schematic diagram inside Android operation system provided in an embodiment of the present invention.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment shall fall within the protection scope of the present invention.
Android operation system：In November, 2007, Google releases Mobile operating system Android, and declares
Android is the first real open and complete Mobile operating system made for mobile terminal.Since then, based on Android systems
The mobile phone and tablet computer of system occur successively, and the sexual clorminance of increasing income of android system is just increasingly prominent.Android system by
Linux kernel, system operation library, application framework and application program composition.At home, it is opened based on Android platform design
The system of hair is using more and more while also more and more favored by consumers.
Beidou satellite navigation system：No. two satellite navigation systems of the Big Dipper are the global navigation satellite systems of Chinese stand-alone development
System, mainly provides three zones：Short message communication, location navigation and time service.
Beidou satellite navigation system includes RDSS systems and RNSS systems, serves the satelline radio that user location determines
Business.In satellite navigation positioning, by receiving the navigation signal under RNSS systems, position, the speed of a ship or plane and navigation ginseng are independently completed
Number calculates, and realizes passive location；The work(such as positioning, communication, reporting position by receiving the realization user of the signal under RDSS systems
Energy.
Wherein, RNSS English full name Radio Navigation Satellite System, satellite radio is received by user
Electric navigation signal is a kind of radionavigation-satellite service, and the autonomous range measurement completed at least to 4 satellites carries out user
Position, speed and navigational parameter calculate.
RDSS English full name Radio Determination Satellite Service, abridge RDSS, is that another kind is defended
Star radio determination service, the range measurement of user to satellite and position calculate can not be by user itself complete independently, it is necessary to by
External system is completed by the response of user.Its main feature is that by user's response, while completing to position, complete outward
The Subscriber Location Report of portion's system can also be achieved positioning and be integrated with what is communicated, realizes that the NAVCOMM in same system is integrated.
Mainly in terms of dedicated system, android system is led using the Big Dipper for the application of triones navigation system at present
Boat system, the data processing of Beidou navigation are also placed on what is realized in special app.For universal map software, navigation software,
Want substantially can not possibly using Beidou satellite navigation system positioning.
An embodiment of the present invention provides a kind of Big Dipper data communication systems based on Android operation system, realize
Ensure the ability of positioning and communicating under particular surroundings, technical scheme is as follows：
North is received using serial interface communication mode, Android operation system between Big Dipper host and Android operation system
Struggle against data, carries out subpackage processing, distinguishes RNSS data and RDSS data.Wherein, RNSS data and the location data of RDSS pass through
The positioning service of android system is sent to after parsing, positioning service is Android built-in system services, is directly Android
Application layer provides interface, is used for related application；The communication data of RDSS is registered to by newly-increased Beidou communication service
In system broadcasts.It needs only create a system broadcasts receiver using the application program of RDSS, you can receive RDSS numbers
According to doing further dissection process.Application program completes Big Dipper agreement when needing autonomous acquisition Big Dipper data in application software
Packaging after, directly invoke Beidou communication service and send data to bottom Big Dipper host.Based on Android operation system
Big Dipper data communication system general frame it is as shown in Figure 1.
In RNSS data channel, parsing extraction navigation data is sent to positioning service, any to use general Android
The application program of SDK exploitations, such as Baidu map, Amap software, can be used Big Dipper location navigation number after being mounted directly
According to completion positioning, navigation feature.
In RDSS data channel, after Beidou communication service registration system broadcast message, system broadcasts notice application layer should
There are available Big Dipper data with program, application program completes Beidou communication related service after protocol analysis, data extraction.
Key data processing function pair provided in an embodiment of the present invention answers Android operation system framework level such as Fig. 2 institutes
Show, specifically：
In Android kernels, the driver of Big Dipper host is increased；In hardware logic layer, increase Big Dipper equipment
Prompt and Big Dipper data-interface；JNI (abbreviation of Java Native Interface, Chinese are JAVA locals calling layer)
In layer, the BDLocationProvider data-interfaces of RNSS data channel and RDSS data channel are increased
BDCommunicationOperationProvider data-interfaces；In system framework layer, LocationManager etc. is rewritten
Relevant interface function for application layer application call, completes positioning, navigation Service.It increases simultaneously
The Beidou communications such as BDCommunicationOperationManager service relevant interface function, are registered to system broadcasts, notify
Application layer applications program data update status.
Inside Android operation system, after the data for receiving Big Dipper host, operating system subpackage processing is distinguished
RNSS data and RDSS data, enter application layer by different data channel respectively.
(1) RNSS flow chart of data processing inside Android operation system：
Inside Android operation system, Linux inner core receives Big Dipper data, and subpackage processing gets RNSS numbers
According to being sent to HAL layers；HAL layers, according to protocol analysis, are completed the construction of bdlocation data structures, are reported to Framework
Layer；Framework layers of completion correlation function, use for application layer application program.RNSS data are inside Android operation system
Process flow it is as shown in Figure 3.
At HAL layers, Big Dipper host registration is hw modules, initialized, started by the statement of hw_module_t interfaces, stopped,
The correlation functions such as removing.Serial port drive equipment is opened in initialization function qemu_bd_init, opens and reads Big Dipper data
Thread.After thread start completion, callback functions can be set in thread, to transmit office to jni layers.Run function
Qemu_bd_start, the flow of stopping function qemu_bd_stop are similar with initialization function, base of the RNSS data at HAL layers
This flow is as shown in Figure 4.
At JNI layers, java is called on the direction of C function, and Big Dipper correlation function is registered to
In jniRegisterNativeMethods, android_location_bdlocationProvider_class_init_
The function pointer init of native functions just calls hal layers of qemu_bd_init functions.Class_init_native functions
It is the native functions defined in java service layers, android_location_bdlocationProvider_class_
Init_native is c functions, and the two forms mapping relations by jni mechanism.Other functions are similar, are not repeated herein, RNSS
Data are as shown in Figure 5 in JNI layers of basic procedure (from top to bottom).
At JNI layers, C function is called on java directions, using callback functions, sends location, status etc.
Message, RNSS data are as shown in Figure 6 in JNI layers of basic procedure (from bottom to top).
Framework layers are to provide interface for upper layer application calling.The data that jni layers are obtained, after completion processing, more
New location information, and application layer relevant interface is supplied to, basic procedure such as Fig. 7 institute of the RNSS data at Framework layers
Show.
Location classes are written by set functions in related data by Framework layers, and application layer applications program only needs to make
It is the location navigation data that can obtain RNSS with get functions, RNSS data are as shown in Figure 8 in the basic procedure of application layer.
(2) RDSS flow chart of data processing inside Android operation system：
Linux inner core receives Big Dipper data, and subpackage handles and gets RDSS data, is sent to HAL layers；HAL layers
According to protocol analysis, extraction part location data reports together with RNSS data and constructs location classes, soft for universal map
Part uses, remaining RDSS data is used for completing the construction of bdcommunicationoperation data structures, realizes therein
The functions such as opening, startup, closing, stopping, and bdcommunicationoperation data structures are reported to Framework
Layer；After Framework layers get data structure, so as to obtain the information such as communication type, station address, transmitting time, complete
The construction of CommunicationOperation classes is used for application layer application program, and RDSS data are in Android operation system
Internal process flow is as shown in Figure 9.
RDSS data are in HAL layers, JNI layers, Framework layers and the flow of application layer and RNSS flow chart of data processing classes
Seemingly, details are not described herein again.
The present invention using portability, portable good Android operation system as platform, by using：(1) it rewrites
Android operation system internal location service correlation function, gets through RNSS data channel, makes universal navigation positioning software that can make
Navigation locating function is completed with RNSS data；(2) increase Beidou communication service inside Android operation system, complete the Big Dipper
Transmission of the communication data from Android operation system bottom to application layer, so as to which Android operation system and big-dipper satellite be led
Boat system combines, and the acquisition of Big Dipper data, parsing is placed on operating system inter-process, by GPS and the otherness of Big Dipper data
Transparence.
One of ordinary skill in the art will appreciate that：Realizing all or part of step of above method embodiment can pass through
The relevant hardware of program instruction is completed, and aforementioned program can be stored in computer read/write memory medium, which exists
During execution, step including the steps of the foregoing method embodiments is performed；And aforementioned storage medium includes：ROM, RAM, magnetic disc or CD
Etc. the various media that can store program code.
The above description is merely a specific embodiment, but protection scope of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can readily occur in change or replacement, should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (8)
- A kind of 1. Big Dipper data communication system based on Android operation system, which is characterized in that the Big Dipper data communication system System includes：Big dipper module, positioning navigation module, Big Dipper data communication module and point being arranged in Android operation system Packet handing module, RNSS data resolution modules, positioning service module, Beidou communication service module；The the first data-interface two-way communication link set on the data-interface of the big dipper module and the subpackage processing module, The first data output end set in the subpackage processing module is connect with the data input pin of the RNSS parsing modules, described The data output end of RNSS parsing modules is connect with the first data input pin set in the positioning service module；The subpackage The second data output end set in processing module is connect with the second data input pin of the positioning service module, the positioning The data output end of service module is connect with the data input pin of the positioning navigation module；The data-interface of the second data-interface set in the subpackage processing module and the Beidou communication service module is two-way Connection, the data output end of the Beidou communication service module are connect with the data input pin of the Big Dipper data communication module, The data output end of the Big Dipper data communication module is connect with the data input pin of the Beidou communication service module.
- 2. a kind of Big Dipper data communication system based on Android operation system according to claim 1, feature exist In the big dipper module uses serial communication with the subpackage processing module；The big dipper module for obtaining the Big Dipper data of Beidou satellite navigation system transmission, and the Big Dipper data is passed through Serial ports is sent to subpackage processing module, and the Big Dipper data include RNSS location datas and RDSS positioning and communicating data；It is described RDSS positioning and communicatings data include RDSS location datas and RDSS communication datas；The subpackage processing module, for being that RNSS location datas, RDSS location datas and RDSS communicate by Big Dipper data separation Data, and RNSS location datas are sent to RNSS data resolution modules, RDSS location datas are sent to positioning service module, And RDSS communication datas are sent to Beidou communication service module；The RNSS data resolution modules obtain location information for parsing RNSS location datas, and the location information is at least wrapped Containing latitude and longitude information；And the location information is sent to positioning service module；The positioning service module for obtaining the location information and RDSS location datas, and provides Android application layers and connects Positioning navigation module described in confession uses；The positioning navigation module, the Android Applied layer interfaces for being provided by the positioning service module obtain positioning Information, and carry out human-computer interaction；The Beidou communication service module, for obtaining RDSS communication datas, and extracts the communication information, and the communication information is at least Include communication type, station address, transmitting time and Content of Communication；And the communication information is sent to the communication of Big Dipper data Module；The Big Dipper data communication module for obtaining the communication information, and carries out human-computer interaction.
- 3. a kind of Big Dipper data communication system based on Android operation system according to claim 1, feature exist In the Beidou communication service module is registered in the system broadcasts of Android operation system offer, and the Big Dipper data are led to Being created in letter module has system broadcasts receiver, so as to the Big Dipper data communication module by system broadcasts receiver from system The communication information that Beidou communication service module is sent is obtained in broadcast.
- 4. a kind of Big Dipper data communication system based on Android operation system according to claim 1, feature exist In the Big Dipper data communication module is additionally operable to send to the big dipper module by the Beidou communication service module and inquire Acquisition request Big Dipper data.
- 5. a kind of Big Dipper data communication system based on Android operation system according to claim 1, described Android operation system includes Android inner nuclear layers, hardware logic layer, JAVA locals calling layer, system framework layer and application Layer；It is characterized in that,The driving unit of the Android inner nuclear layers setting big dipper module；The hardware logic layer sets big dipper module prompt With Big Dipper data-interface；The data-interfaces of JAVA locals calling layer setting RNSS location datas and RDSS communication datas Data-interface；The system framework layer setting positioning service interface function module and Beidou communication service interface function module； The application layer sets common positioning navigation module and Big Dipper data communication module.
- 6. a kind of Big Dipper data communications method based on Android operation system, the Big Dipper data communications method is applied to power Profit requires the Big Dipper data communication system described in 1, which is characterized in that the Big Dipper data communications method includes：Big dipper module obtains the Big Dipper data that Beidou satellite navigation system is sent, and the Big Dipper data are sent to by serial ports Subpackage processing module, the Big Dipper data include RNSS location datas and RDSS positioning and communicating data；The RDSS positioning and communicatings Data include RDSS location datas and RDSS communication datas；The subpackage processing module by Big Dipper data separation be RNSS location datas, RDSS location datas and RDSS communication datas, And RNSS location datas are sent to RNSS data resolution modules, by RDSS location datas be sent to positioning service module and RDSS communication datas are sent to Beidou communication service module；The RNSS data resolution modules parsing RNSS location datas obtain location information, and the location information includes at least longitude and latitude Spend information；And the location information is sent to positioning service module；The positioning service module obtains the location information and RDSS location datas, and provides the confession of Android Applied layer interfaces Positioning navigation module uses；The positioning navigation module obtains location information by the Android Applied layer interfaces that the positioning service module provides, And carry out human-computer interaction；The Beidou communication service module obtains RDSS communication datas, and extracts the communication information, and the communication information includes at least Communication type, station address, transmitting time and Content of Communication；And the communication information is sent to Big Dipper data communication mould Block；The Big Dipper data communication module obtains the communication information, and carries out human-computer interaction.
- 7. a kind of Big Dipper data communications method based on Android operation system according to claim 6, feature exist In the method further includes：The Beidou communication service module is registered in the system broadcasts of Android operation system offer, and the Big Dipper data System broadcasts receiver is created in communication module, so as to the Big Dipper data communication module by system broadcasts receiver from system The communication information that Beidou communication service module is sent is obtained in broadcast.
- 8. a kind of Big Dipper data communications method based on Android operation system according to claim 6, feature exist In the method further includes：The Big Dipper data communication module sends inquiry request to the big dipper module by the Beidou communication service module and obtains Take Big Dipper data.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108646276A (en) * | 2018-07-24 | 2018-10-12 | 成都九洲电子信息系统股份有限公司 | Portable built-in Beidou communication based on android system and navigation device |
| CN111800763A (en) * | 2020-06-30 | 2020-10-20 | 展讯通信（上海）有限公司 | Intelligent device and communication system and method of AP module and WCN module thereof |
| CN113722128A (en) * | 2021-07-12 | 2021-11-30 | 北京鲸鲮信息系统技术有限公司 | Method and device for acquiring positioning information, electronic equipment and storage medium |
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