CN109005509A - A kind of method of locating terminal, device, terminal and storage medium - Google Patents
A kind of method of locating terminal, device, terminal and storage medium Download PDFInfo
- Publication number
- CN109005509A CN109005509A CN201811183591.5A CN201811183591A CN109005509A CN 109005509 A CN109005509 A CN 109005509A CN 201811183591 A CN201811183591 A CN 201811183591A CN 109005509 A CN109005509 A CN 109005509A
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- Prior art keywords
- epo
- file
- terminal
- module
- locating module
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/023—Services making use of location information using mutual or relative location information between multiple location based services [LBS] targets or of distance thresholds
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/025—Services making use of location information using location based information parameters
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
Abstract
The embodiment of the invention discloses a kind of method of locating terminal, device, terminal and storage mediums.This method includes obtaining EPO file by control module, sends locating module for the EPO file；The locating module is sent to by the reference position point that the control module will acquire；The location data of the terminal is determined according to the EPO file and the reference position point by the locating module.The technical solution of the embodiment of the present invention can be realized terminal and quickly position, and quickly determine that the location data of terminal improves terminal positioning efficiency so as to shorten the time that terminal positions for the first time according to EPO file and reference position point by using locating module.
Description
Technical field
The present embodiments relate to field of locating technology more particularly to a kind of localization methods, device, terminal for terminal
And storage medium.
Background technique
Currently, location technology has had been applied to the different field such as logistics, traffic, power grid, medical treatment, application prospect is wide
Wealthy, closely bound up some terminal devices also all have positioning function with people's lives, for example, smart phone, tablet computer
With car-mounted terminal etc..
It is long the time required to being positioned for the first time due to global positioning system (Global Positioning System, GPS), it is existing
There is technology that assistant GPS (Assisted GPS, A-GPS) technology is used to position terminal in real time mostly, A-GPS technology utilizes
Mobile network provides almanac data to GPS, so that assistant GPS shortens the time positioned for the first time to terminal.But restart in terminal
Or in the case where powering on, A-GPS technology is also longer the time required to positioning for the first time, is not able to satisfy user to the need of terminal positioning speed
It asks.
Summary of the invention
The present invention provides localization method, device, terminal and the storage medium of a kind of terminal, is fast and effeciently positioned with realizing
Terminal location.
In a first aspect, the embodiment of the invention provides a kind of method of locating terminal, which comprises
Extension predicted orbit (Extended Prediction Orbit, EPO) file is obtained by control module, by institute
State the locating module that EPO file is sent to the terminal；
The locating module is sent to by the reference position point that the control module will acquire；
The positioning number of the terminal is determined according to the EPO file and the reference position point by the locating module
According to.
Optionally, before the acquisition EPO file by control module, further includes: detected by the control module
The validity for the EPO file being stored therein；When file is invalid by the EPO, obtained by the control module from EPO server
EPO file simultaneously detects validity.
Optionally, it before the validity of the EPO file being stored therein by control module detection, also wraps
It includes:
When monitoring that the locating module powers on or the locating module restarts, net is carried out to the locating module
When the school network time protocol (Network Time Protocol, NTP), and the locating module is updated according to the time of calibration
Current time；
If the school NTP can not be carried out to the locating module, the real-time clock (Real-Time of the terminal is obtained
Clock, RTC) current time of the time as the locating module；
If the RTC time of the terminal can not be obtained, the time of the EPO server is obtained from the EPO server
Current time as the locating module.
Optionally, the validity that the EPO file is detected by the control module, comprising:
If the current time of the time of the EPO file got and the locating module, difference is less than or equal to pre-
If time threshold, and (the Message Digest of Message Digest 55 corresponding to the EPO file got
Algorithm 5, MD5) check value is consistent with the MD5 check value obtained from EPO server, then judge that the EPO file is effective；
Wherein, the MD5 check value obtained from the EPO server is added by the EPO server by using MD5 algorithm
The close EPO file obtains.
Optionally, the reference position point that will acquire by the control module is sent to the locating module, packet
It includes:
If the control module is stored with the anchor point that the locating module is sent before power-off, and the anchor point has
Effect, then using the effective position point as the reference position point；
If the anchor point that the control module is powered on or sent before power-off without storing the locating module, will be current
The base station information got is sent to EPO server, and the latitude and longitude information that the EPO server received is issued as
Reference position point；
Wherein, the latitude and longitude information is obtained by the EPO server by parsing the base station information.
Optionally, EPO file is obtained by the control module, comprising:
Predetermined period is divided into multiple preset time periods；
To the preset termination time since the initial time of the preset time period, sends and obtain to the EPO server
The instruction of EPO file；
If before reaching the preset termination time, obtain the EPO file number be less than preset times, then continue to
The EPO server sends the instruction for obtaining EPO file；
If before reaching the preset termination time, the number for obtaining the EPO file is equal to preset times, then abandon
EPO file is obtained in this described preset time period, and next preset time period is waited to obtain EPO file.
It is optionally, described to send locating module for the EPO file, comprising:
The EPO file is divided into the file packet of preset quantity；
The file packet of the preset quantity is successively handed down to the locating module；
Receive the locating module and be properly received the response returned after each file packet, if do not receive file packet receive at
The response of function then retransmits the file packet；
If the number of responses that the locating module returns is equal to preset quantity, judge that the EPO file is sent completely.
Second aspect, the embodiment of the invention also provides a kind of terminal positioning device, the terminal positioning device includes:
EPO file acquisition and sending module send the EPO file to for obtaining EPO file by control module
Locating module；
Reference position point sending module, the reference position point for will acquire by the control module are sent to described
Locating module；
Execution module is positioned, for passing through the locating module, according to the EPO file and the reference position point, really
The location data of the fixed terminal.
The third aspect, the embodiment of the invention also provides a kind of terminal, the terminal includes:
One or more processors；
Storage device, for storing one or more programs,
When one or more of programs are executed by one or more of processors, so that one or more of processing
Device realizes the method for locating terminal that any embodiment of that present invention provides.
Fourth aspect stores on the storage medium the embodiment of the invention also provides a kind of computer readable storage medium
There is computer program, which is characterized in that realize that any embodiment of that present invention provides terminal positioning when the program is executed by processor
Method.
The embodiment of the present invention obtains EPO file and reference position point by control module and is sent to locating module, positions
Module quickly determines terminal positioning data according to EPO file and reference position point, thus when solving locating module and positioning for the first time
Between longer problem, realize and shorten time for positioning for the first time, realize the effect quickly positioned to terminal.
Detailed description of the invention
Fig. 1 is the flow chart of one of the embodiment of the present invention one method of locating terminal；
Fig. 2 is the flow chart of one of the embodiment of the present invention two method of locating terminal；
Fig. 3 is the flow chart of one of the embodiment of the present invention three method of locating terminal；
Fig. 4 is the structural schematic diagram of one of embodiment of the present invention four terminal positioning device；
Fig. 5 is the structural schematic diagram of one of the embodiment of the present invention five terminal.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention rather than limiting the invention.It also should be noted that in order to just
Only the parts related to the present invention are shown in description, attached drawing rather than entire infrastructure.
Embodiment one
Fig. 1 is a kind of flow chart for method of locating terminal that the embodiment of the present invention one provides, and the present embodiment is applicable to fixed
The case where position module powers on or locating module restarts, this method can be executed by terminal positioning device, which can be with
It is realized, and is can integrate in the terminal by hardware and/or software.As shown in Figure 1, this method comprises:
Step 110 obtains EPO file by control module, sends locating module for EPO file.
Control module can be single-chip microcontroller, be also possible to micro-control unit (Microcontroller Unit, MCU), also
It can be other kinds of controller.
Optionally, control module obtains the EPO file having stored in control module, and is sent to locating module；Or
Control module obtains EPO file from EPO server, and is sent to locating module；Or control module obtains EPO text from other approach
Part, and it is sent to locating module.
Wherein, EPO file is obtained by control module, including
Predetermined period is divided into multiple preset time periods；
Predetermined period can be 24 hours, can be 48 hours, is also possible to other time cycles.Predetermined period is drawn
Point, it can be random division, be also possible to fixed time period division.
For example, since the effective time of EPO file is 6 and a half hours, one day 24 hour was divided into 4
Period as preset time period, is respectively as follows: 0:00-6:30,6:00-12:30,12:00-18:30 and 18:00-0:30.
Wherein, the period of division is not unique, and those skilled in the art can should obtain it according to above-mentioned division result
His period division result.
To the preset termination time since the initial time of preset time period, is sent to EPO server and obtain EPO file
Instruction；
The preset termination time can be half an hour, be also possible to the other times less than half an hour.
For example, terminal is within the wherein half an hour of a period, in 20 minutes between 6:05-6:25, at random
A time is generated, and sends the instruction for obtaining EPO file to EPO server in the random time.Setting is mainly to be in this way
Different terminals are avoided to send the instruction for obtaining EPO file to EPO server simultaneously, to reduce EPO server blocks
Probability.
If before reaching the preset termination time, the number for obtaining EPO file is less than preset times, then continue to service to EPO
Device sends the instruction for obtaining EPO file；If before reaching the preset termination time, the number for obtaining EPO file is equal to preset times,
It then abandons obtaining EPO file in this preset time period, next preset time period is waited to obtain EPO file.
Preset times can be 3 times, be also possible to 2 times and 4 other inferior numbers.
For example, if same EPO file times of acquisition within half an hour reach 3 times, 20 such as between 6:05-6:25
The number that the same EPO file is obtained in minute reaches 3 times, then temporarily ceases and obtain EPO file, wait next period again
It reacquires.It is arranged in this way primarily to the consumption of the terminal data flow is reduced, if the terminal log is according to flow
Using there is no limit can then continue to obtain EPO file.
Optionally, locating module is sent by EPO file, comprising:
EPO file is divided into the file packet of preset quantity；
Preset quantity can be 36, be also possible to other quantity.
For example, EPO file is divided into 36 file packets, is wrapped in each file packet since 36 satellites are used in positioning
Include the almanac data of a satellite.36 satellites include GPS positioning satellite and some other high accuracy positioning satellites.Due to
Memory shared by EPO file is larger, and setting can shorten the time for sending EPO file in this way, and then increasing terminal positions.
The file packet of preset quantity is successively handed down to locating module；
By the file packet of preset quantity one by one be handed down to locating module, when previous be sent completely is given down again
One file packet.
For example, 36 file packets that EPO file is divided into successively are handed down to locating module.
It receives locating module and is properly received the response returned after each file packet, received successfully if not receiving file packet
Response, then retransmit file packet；
Wherein, when file packet being successively handed down to locating module, whether locating module can respond each file packet and connect
Harvest function can just issue next file packet after only receiving the currently transmitted successful response of file packet reception；If not yet
Have and receive currently transmitted file packet reception successfully response, then retransmits file packet.
The number for retransmitting file packet has upper limit value then to abandon described in transmission after file packet transmission failure upper limit value is secondary
File packet.
Upper limit value can be 4 times, can be 5 times, is also possible to other numbers.
For example, if not receiving this document packet still after the retransmission of file packet 4 times and receiving successfully response, then abandon
Send this document packet.
If the number of responses that locating module returns is equal to preset quantity, judge that EPO file is sent completely.
For example, judge that EPO file is sent completely if the successful number of responses of reception that locating module returns is equal to 36,
Otherwise judge the not sent completion of EPO file.
Step 120 is sent to locating module by the reference position point that control module will acquire；
Wherein, the main function of reference position point is a reference position of terminal to be provided to locating module, to improve
The locating speed of terminal.
Step 130 determines the location data of terminal according to EPO file and reference position point by locating module.
Wherein, locating module almanac data according to included by EPO file and reference position point, determine needed for terminal positioning
Almanac data.
Almanac data is a kind of celestial body orbit parameter table, i.e., illustrates the predetermined institute of certain celestial body at regular intervals with table data
In position, or the predetermined position of certain artificial satellite at regular intervals.
The technical solution of the present embodiment obtains EPO file and reference position point by control module and is sent to positioning mould
Block, locating module quickly determines terminal positioning data according to EPO file and reference position point, to solve locating module for the first time
Positioning time longer problem realizes the time for shortening and positioning for the first time, realizes the effect quickly positioned to terminal, positioning time
Within 5 seconds.
Embodiment two
Fig. 2 is a kind of flow chart of method of locating terminal provided by Embodiment 2 of the present invention.The technical solution of the present embodiment,
Be further refine based on the above technical solution, as shown in Fig. 2, this method comprises:
Step 210, when monitoring that locating module is powered on or restarted, locating module is calibrated；
Wherein, since the available time of EPO file only has 6 and a half hours, if the time of locating module incorrect will lead
It causes to obtain invalid EPO file, to extend the time of positioning.Therefore, needed before obtaining EPO file to locating module into
When row school, to improve the accuracy of localization method, the quick positioning to terminal is realized.
Optionally, locating module is calibrated, comprising:
When carrying out the school NTP to locating module, and according to the current time of the time of calibration update locating module；
If the school NTP can not be carried out to locating module, obtain the RTC time of terminal as locating module it is current when
Between；
If the RTC time of terminal can not be obtained, the time of EPO server is obtained as locating module from EPO server
Current time.
Step 220 obtains EPO file by control module, sends locating module for EPO file；
Step 230 is sent to locating module by the reference position point that control module will acquire；
Step 240 determines the location data of terminal according to the EPO file and reference position point by locating module.
The technical solution of the present embodiment carries out school to locating module when monitoring that locating module is powered on or restarted
When, EPO file and reference position point are obtained by control module, and EPO file and reference position are utilized using locating module
Point determines the location data of terminal, is quickly positioned to terminal, within 5 seconds positioning times.
Embodiment three
It is a kind of flow chart for method of locating terminal that the embodiment of the present invention three provides referring to Fig. 3, Fig. 3.As shown in figure 3,
This method comprises:
The validity of step 310, control module detection EPO file；
Optionally, the validity of control module detection EPO file, comprising:
If the time of the EPO file got and the current time of locating module, difference is less than or equal to preset time threshold
Value, and MD5 check value corresponding to the EPO file got is consistent with the MD5 check value obtained from EPO server, then sentences
Disconnected EPO file is effective；
Wherein, the MD5 check value obtained from EPO server, as EPO server by using EPO described in MD5 algorithm for encryption
File obtains.
It is less than or equal to 6 and a half hours for example, the time of EPO file got differs with the current time of locating module,
And MD5 check value corresponding to the EPO file got is consistent with the MD5 check value obtained from EPO server, then is sentenced
The fixed EPO file is effective.
Step 320 obtains EPO file by control module, sends locating module for EPO file；
Optionally, if control module detects the EPO that is stored therein, file is invalid, control module and EPO server
Connection is established, EPO file is reacquired from EPO server by control module, detects the validity of EPO file, and will be effective
EPO file be sent to locating module.
Step 330 is sent to locating module by the reference position point that control module will acquire；
Optionally, control module obtains reference position point, comprising:
If control module is stored with the anchor point that locating module is sent before power-off, and anchor point is effective, then will effectively determine
Site is as reference position point；
If control module powers on or without the anchor point that storage locating module is sent before power-off, by what is currently got
Base station information is sent to EPO server, and the latitude and longitude information that EPO server is issued is as reference position point；
Wherein, latitude and longitude information is obtained by EPO server by parsing the base station information.
Wherein, when the distance between reference position point and base station difference be less than or equal to pre-determined distance, then judge the reference
Location point is effective.
For example, then judging that reference position point has when the distance between reference position point and base station difference are less than or equal to 30km
Effect.
Setting is because if the distance between reference position point and base station difference are greater than 30km, will lead to positioning in this way
Module is to location determination mistake, to extend positioning time.
Step 340 determines the location data of terminal according to EPO file and reference position point by locating module.
The technical solution of the present embodiment obtains effective EPO file and reference position point by control module, and uses
Locating module utilizes effective EPO file and effective reference position point, determines the location data of terminal, carries out to terminal quick
Positioning, within 5 seconds positioning times.
Example IV
Fig. 4 is a kind of structural schematic diagram for terminal positioning device that the embodiment of the present invention four provides.As shown in figure 4, the end
End positioning device includes:
EPO file acquisition and sending module 401 send EPO file to for obtaining EPO file by control module
Locating module；
Reference position point sending module 402, the reference position point for will acquire by control module are sent to positioning
Module；
Execution module 403 is positioned, for determining determining for terminal according to EPO file and reference position point by locating module
Position data.
Optionally, the terminal positioning device further include:
Validation checking module, for being detected and being stored by control module before obtaining EPO file by control module
In the validity of EPO file wherein；When file is invalid by EPO, EPO file is obtained from EPO server by control module and is examined
Survey validity.
Monitoring and module when school, for the validity in the EPO file being stored therein by control module detection
Before, when monitoring that locating module powers on or locating module restarts, locating module is calibrated；
Optionally, module and module when third school when module, the second school when module includes the first school when monitoring is with school:
Module when the first school, when for carrying out the school Network Time Protocol NTP to locating module, and more according to the time of calibration
The current time of new definition module；
Module when the second school, if obtaining the real-time clock RTC of terminal when for the school NTP can not to be carried out to locating module
Current time of the time as locating module；
Module when third school obtains EPO server from EPO server if the RTC time for that can not obtain terminal
Current time of the time as locating module.
Optionally, validation checking module includes first detection unit and second detection unit:
First detection unit differs small if the current time of the time of the EPO file for getting and locating module
In being equal to preset time threshold, then enters second detection unit and continue to judge, otherwise, judging EPO, file is invalid；
Second detection unit, if MD5 check value corresponding to EPO file for getting is obtained with from EPO server
MD5 check value it is consistent, then judge that EPO file is effective, otherwise, judging EPO, file is invalid；
Wherein, the MD5 check value obtained from EPO server, by EPO server by using MD5 algorithm for encryption EPO file
It obtains.
Optionally, in the terminal positioning device, reference position point sending module, including first acquisition unit and second are obtained
Unit:
First acquisition unit if being stored with the anchor point that locating module is sent before power-off for control module, and positions
Point is effective, then using effective position point as reference position point；
Second acquisition unit, if the positioning for powering on for control module or being sent before power-off without storage locating module
The base station information currently got is then sent to EPO server, and the longitude and latitude that the EPO server received is issued by point
Information is as reference position point；
Wherein, latitude and longitude information is obtained by EPO server by parsing base station information.
Optionally, EPO file acquisition and sending module include EPO file obtaining unit and EPO file transmission unit:
EPO file obtaining unit, for predetermined period to be divided into multiple preset time periods；
To the preset termination time since the initial time of the preset time period, sends and obtain to the EPO server
The instruction of EPO file；
If before reaching the preset termination time, obtain the EPO file number be less than preset times, then continue to
The EPO server sends the instruction for obtaining EPO file；
If before reaching the preset termination time, the number for obtaining the EPO file is equal to preset times, then abandon
EPO file is obtained in this described preset time period, and next preset time period is waited to obtain EPO file.
EPO file transmission unit, for the EPO file to be divided into the file packet of preset quantity；
The file packet of the preset quantity is successively handed down to the locating module；
Receive the locating module and be properly received the response returned after each file packet, if do not receive file packet receive at
The response of function then retransmits the file packet；
If the number of responses that the locating module returns is equal to preset quantity, judge that the EPO file is sent completely.
It is fixed that terminal provided by any embodiment of the invention can be performed in terminal positioning device provided by the embodiment of the present invention
Position method, has the corresponding functional module of execution method and beneficial effect.
Embodiment five
It is a kind of structural schematic diagram for terminal that the embodiment of the present invention five provides referring to Fig. 5, Fig. 5, as shown in figure 5, the end
End includes processor 501, memory 502, input unit 503 and output device 504；The quantity of processor 501 can be in terminal
Be it is one or more, in Fig. 5 by taking a processor 501 as an example；Processor 501, memory 502, input unit 503 in terminal
It can be connected by bus or other modes with output device 504, in Fig. 5 for being connected by bus.
Memory 502 is used as a kind of computer readable storage medium, can be used for storing software program, journey can be performed in computer
Sequence and module, if the corresponding program instruction/module of the method for locating terminal in the embodiment of the present invention is (for example, terminal positioning fills
EPO file acquisition and sending module 401, reference position point sending module 402 and positioning execution module 403 in setting).Processor
501 software program, instruction and the modules being stored in memory 502 by operation, are answered thereby executing the various functions of terminal
With and data processing, that is, realize above-mentioned method of locating terminal.
Memory 502 can mainly include storing program area and storage data area, wherein storing program area can store operation system
Application program needed for system, at least one function；Storage data area, which can be stored, uses created data etc. according to terminal.This
Outside, memory 502 may include high-speed random access memory, can also include nonvolatile memory, for example, at least one
Disk memory, flush memory device or other non-volatile solid state memory parts.In some instances, memory 502 can be into one
Step includes the memory remotely located relative to processor 501, these remote memories can pass through network connection to terminal.On
The example for stating network includes but is not limited to internet, intranet, local area network, mobile radio communication and combinations thereof.
Input unit 503 can be used for receiving the number or character information of input, and generate with the user setting of terminal with
And the related key signals input of function control.Output device 504 may include that display screen etc. shows equipment.
Embodiment six
The embodiment of the present invention six also provides a kind of computer readable storage medium, is stored thereon with computer program, the journey
A kind of method of locating terminal is realized when sequence is executed by processor, this method comprises:
Extension predicted orbit EPO file is obtained by control module, sends locating module for the EPO file；
The locating module is sent to by the reference position point that the control module will acquire；
The positioning number of the terminal is determined according to the EPO file and the reference position point by the locating module
According to.
Certainly, a kind of computer readable storage medium provided by the embodiment of the present invention, computer program are executable not
It is limited to method operation as described above, the correlation in method of locating terminal provided by any embodiment of the invention can also be performed
Operate
By the description above with respect to embodiment, it is apparent to those skilled in the art that, the present invention
It can be realized by software and required common hardware, naturally it is also possible to which by hardware realization, but in many cases, the former is more
Good embodiment.Based on this understanding, technical solution of the present invention substantially in other words contributes to the prior art
Part can be embodied in the form of software products, which can store in computer readable storage medium
In, floppy disk, read-only memory (Read-Only Memory, ROM), random access memory (Random such as computer
Access Memory, RAM), flash memory (FLASH), hard disk or CD etc., including some instructions are with so that a computer is set
Standby (can be personal computer, server or the network equipment etc.) executes method described in each embodiment of the present invention.
It is worth noting that, included each unit and module are only pressed in the embodiment of above-mentioned terminal positioning device
It is divided, but is not limited to the above division according to function logic, as long as corresponding functions can be realized；In addition,
The specific name of each functional unit is also only for convenience of distinguishing each other, the protection scope being not intended to restrict the invention.
Note that the above is only a better embodiment of the present invention and the applied technical principle.It will be appreciated by those skilled in the art that
The invention is not limited to the specific embodiments described herein, be able to carry out for a person skilled in the art it is various it is apparent variation,
It readjusts and substitutes without departing from protection scope of the present invention.Therefore, although being carried out by above embodiments to the present invention
It is described in further detail, but the present invention is not limited to the above embodiments only, without departing from the inventive concept, also
It may include more other equivalent embodiments, and the scope of the invention is determined by the scope of the appended claims.
Claims (10)
1. a kind of method of locating terminal, which is characterized in that the described method includes:
Extension predicted orbit EPO file is obtained by control module, sends locating module for the EPO file；
The locating module is sent to by the reference position point that the control module will acquire；
The location data of the terminal is determined according to the EPO file and the reference position point by the locating module.
2. the method according to claim 1, wherein being gone back before the acquisition EPO file by control module
It include: the validity for the EPO file being stored therein by control module detection；When file is invalid by the EPO, pass through institute
Control module is stated to obtain EPO file from EPO server and detect validity.
3. according to the method described in claim 2, it is characterized in that, being stored therein described by control module detection
EPO file validity before, further includes:
When monitoring that the locating module powers on or the locating module restarts, when carrying out network to the locating module
Between the agreement school NTP when, and update according to the time of calibration the current time of the locating module；
If the school NTP can not be carried out to the locating module, the real-time clock RTC time of the terminal is obtained as described fixed
The current time of position module；
If the RTC time of the terminal can not be obtained, the time conduct of the EPO server is obtained from the EPO server
The current time of the locating module.
4. according to the method described in claim 2, it is characterized in that, described detect the EPO file by the control module
Validity, comprising:
If the current time of the time of the EPO file got and the locating module, when difference is less than or equal to default
Between threshold value, and Message Digest 5 5MD5 check value corresponding to the EPO file got is obtained with from EPO server
MD5 check value it is consistent, then judge that the EPO file is effective；
Wherein, the MD5 check value obtained from the EPO server, by the EPO server by using MD5 algorithm for encryption institute
State the acquisition of EPO file.
5. the method according to claim 1, wherein the reference bit that will acquire by the control module
It sets and is a little sent to the locating module, comprising:
If the control module is stored with the anchor point that the locating module is sent before power-off, and the anchor point is effective, then
Using the effective position point as the reference position point；
If the anchor point that the control module is powered on or sent before power-off without storing the locating module, will currently obtain
To base station information be sent to EPO server, and the latitude and longitude information that the EPO server received is issued is as reference
Location point；
Wherein, the latitude and longitude information is obtained by the EPO server by parsing the base station information.
6. the method according to claim 1, wherein obtaining EPO file by the control module, comprising:
Predetermined period is divided into multiple preset time periods；
To the preset termination time since the initial time of the preset time period, is sent to the EPO server and obtain EPO text
The instruction of part；
If before reaching the preset termination time, the number for obtaining the EPO file is less than preset times, then continue to described
EPO server sends the instruction for obtaining EPO file；
If before reaching the preset termination time, the number for obtaining the EPO file is equal to preset times, then abandon in this institute
It states and obtains EPO file in preset time period, next preset time period is waited to obtain EPO file.
7. being wrapped the method according to claim 1, wherein described send locating module for the EPO file
It includes:
The EPO file is divided into the file packet of preset quantity；
The file packet of the preset quantity is successively handed down to the locating module；
It receives the locating module and is properly received the response returned after each file packet, received successfully if not receiving file packet
Response, then retransmit the file packet；
If the number of responses that the locating module returns is equal to preset quantity, judge that the EPO file is sent completely.
8. a kind of terminal positioning device characterized by comprising
EPO file acquisition and sending module send positioning for the EPO file for obtaining EPO file by control module
Module；
Reference position point sending module, the reference position point for will acquire by the control module are sent to the positioning
Module；
Execution module is positioned, for determining institute according to the EPO file and the reference position point by the locating module
State the location data of terminal.
9. a kind of terminal, which is characterized in that the terminal includes:
One or more processors；
Storage device, for storing one or more programs,
When one or more of programs are executed by one or more of processors, so that one or more of processors are real
The now method of locating terminal as described in any in claim 1-7.
10. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the program is by processor
The method of locating terminal as described in any in claim 1-7 is realized when execution.
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| CN111988742A (en) * | 2020-08-12 | 2020-11-24 | 四川康佳智能终端科技有限公司 | Positioning method based on narrowband Internet of things and NBIOT positioning equipment |
| CN112738887A (en) * | 2020-12-31 | 2021-04-30 | 上海杉诺信息技术有限公司 | Positioning method and system, communication terminal and computer readable storage medium |
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| CN109005509B (en) | 2021-06-25 |
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