CN104703052B - A kind of GPS information from vehicle-mounted DVR to GPS server mends transmission method - Google Patents
A kind of GPS information from vehicle-mounted DVR to GPS server mends transmission method Download PDFInfo
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- CN104703052B CN104703052B CN201410055722.7A CN201410055722A CN104703052B CN 104703052 B CN104703052 B CN 104703052B CN 201410055722 A CN201410055722 A CN 201410055722A CN 104703052 B CN104703052 B CN 104703052B
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- Prior art keywords
- gps
- vehicle
- gps information
- mounted dvr
- server
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
- H04N21/647—Control signaling between network components and server or clients; Network processes for video distribution between server and clients, e.g. controlling the quality of the video stream, by dropping packets, protecting content from unauthorised alteration within the network, monitoring of network load, bridging between two different networks, e.g. between IP and wireless
- H04N21/64746—Control signals issued by the network directed to the server or the client
- H04N21/64761—Control signals issued by the network directed to the server or the client directed to the server
- H04N21/64776—Control signals issued by the network directed to the server or the client directed to the server for requesting retransmission, e.g. of data packets lost or corrupted during transmission from server
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/437—Interfacing the upstream path of the transmission network, e.g. for transmitting client requests to a VOD server
Abstract
The invention discloses a kind of GPS information from vehicle-mounted DVR to GPS server to mend transmission method, including:The GPS information recorded in GPS server scanning local data base, checks two neighboring GPS information acquisition time interval in the historical data for the GPS information that vehicle-mounted DVR is uploaded;If the time interval is more than interval threshold, the GPS server issues GPS information to the vehicle-mounted DVR and mends biography order;The GPS server receives the vehicle-mounted DVR and mends the GPS information passed, and the GPS information for mending biography is stored in local data base.Compared with prior art, present method avoids the occurrence of GPS information uploads is repeated, the timely transmission of video information is not interfered with, reduces the bandwidth pressure of GPS server.
Description
Technical field
The present invention relates to vehicle GPS(Global Positioning System, global positioning system)Monitoring field, it is special
It is not related to a kind of from vehicle-mounted DVR(Digital Video Recorder, DVR)GPS information to GPS server is mended
Transmission method.
Background technology
Vehicle-mounted DVR belongs to the subdivision field of traditional built-in hard disk video tape recorder, and it is with digital video-audio coding techniques
A kind of emerging special product applied and grown up on vehicle.It is each that vehicle-mounted DVR is widely used in public transport, long-distance passenger transportation etc.
Kind mobile traffic.Its major function is two aspects:First, video monitoring, is recorded a video in vehicle operation
And uploaded videos information is to video server, the acquisition in order to accident video information and the tracking to cause of accident;Second, defend
Star is positioned, i.e. GPS location, and GPS location is carried out in vehicle operation and uploads GPS information to GPS server, in order to obtain
Take vehicle position information and route or travel by vehicle.In addition, the communication between DVR and video server and GPS server uses
3G(3rd-generation, 3rd generation mobile communication technology)Network, and video information and GPS information are carried out by 3G network
Upload.
In distal end when vehicle-mounted DVR above-mentioned function enables the vehicle accident occur(Video server and GPS server institute
Locating)The position of the reason for knowing car accident in time and car accident, substantial amounts of tune is saved for the disposal of car accident
Look into time and rescue period.
Although vehicle-mounted DVR application brings very big guarantee to the safe operation of vehicle, also have many technical
The problem of so that produce some problems in the acquisition of the video information and GPS information of distal end.For example, line number is entered using 3G network
According to transmission in, because vehicle is in continuous travel condition, the base station signal covering of telecom operators can be with vehicle location
Change and produce change, there may be the phenomenon of signal interruption in base station signal handoff procedure, if automobile navigates on open country
Outside, the ground such as mountain area or tunnel, additionally it is possible to because 3G signals can not reach, and can not uploaded videos information and GPS information in time.
At present, to solve these problems, it has been proposed that some are mended on vehicle-mounted DVR video information and GPS information and passed
Scheme.GPS information, which is mended, to be passed, and is the GPS information that can not upload vehicle-mounted DVR in real time, in network(Such as 3G network)Normally
Shi Chongxin benefits pass to GPS server and stored.
Existing vehicle-mounted DVR GPS information mends biography scheme, when network disconnects, the GPS information meeting of vehicle-mounted DVR uploads
Failure, at this moment the GPS information for uploading failure is stamped re-transmission mark by vehicle-mounted DVR, and is protected in vehicle-mounted DVR is locally stored
Deposit, after network recovery, vehicle-mounted DVR actively will upload to GPS server with the GPS information for retransmitting mark.The master of the program
Shortcoming is wanted to be:
1)Vehicle-mounted DVR active uploads GPS information, because can not determine which GPS information does not keep a record on server, has
The occurrence of uploading same GPS information, now GPS server need carry out duplicate data filtration treatment, so just increase
The operating pressure and complexity of GPS server are added;
2)The upload of GPS information is voluntarily controlled by vehicle-mounted DVR, and the benefit that GPS information is carried out in substantial amounts of vehicle-mounted DVR passes
When, higher to GPS server bandwidth requirement, prior art can not be realized at any time to do vehicle-mounted DVR benefit biography GPS informations and is lined up in batches
Processing.
In addition, in the prior art, the benefit of GPS information passes the control problem not accounted between video information upload,
The situation for uploading while carrying out with video information occurs during GPS information is mended and passed, and then the benefit that result in GPS information passes
Bandwidth contention between video information upload, and the influence for causing video information to upload.
The content of the invention
In view of this, the present invention provides a kind of GPS information from vehicle-mounted DVR to GPS server and mends transmission method, to avoid out
Now repeat the occurrence of GPS information uploads and the bandwidth contention between video information upload.
What the technical scheme of the application was realized in:
A kind of GPS information from vehicle-mounted DVR to GPS server mends transmission method, including:
The GPS information recorded in GPS server scanning local data base, check the history for the GPS information that vehicle-mounted DVR is uploaded
Two neighboring GPS information acquisition time interval in data;
If the time interval is more than interval threshold, the GPS server issues GPS information to the vehicle-mounted DVR and mended
Pass order;
The GPS server receives the vehicle-mounted DVR and mends the GPS information passed, and the GPS information for mending biography is stored in
In local data base.
Further, methods described also includes:
When the vehicle-mounted DVR receives the GPS information benefit biography order that the GPS server issues:
If vehicle-mounted DVR uploads real-time video information, it is not responding to the GPS information and mends biography order;
If vehicle-mounted DVR not uploads real-time video information, vehicle-mounted DVR is mended according to the GPS information and is passed order
Content, the GPS information for being mended biography is uploaded to the GPS server.
Further, methods described also includes:
The vehicle-mounted DVR will be saved in local disk from the current GPS information of itself GPS module real-time reception, while to
GPS server uploads the current GPS information in real time;
The current GPS information that vehicle-mounted DVR described in the GPS server real-time reception is uploaded, and by the current GPS information
It is stored in local data base.
Further, the GPS information is mended to pass to order and included:To be mended the period belonging to the GPS information of biography.
Further, information exchange is carried out by 3G network between the vehicle-mounted DVR and GPS server.
Further, the vehicle-mounted DVR quantity described in the GPS server concurrent receipt during GPS information of vehicle-mounted DVR benefits biography is
10~100.
Further, the GPS information recorded in the local data base that the GPS server is scanned be apart from current time most
GPS information in 3 days near time ranges.
Further, after completing once to mend biography to the GPS information of GPS server from vehicle-mounted DVR, prolong by the time
When, then mended next time from vehicle-mounted DVR to the GPS information of GPS server and pass.
Further, the time delayses are 5~10 minutes.
Further, the interval threshold is 10~60 seconds.
From such scheme as can be seen that the GPS information from vehicle-mounted DVR to GPS server of the present invention mends transmission method, by
GPS server is initiated, and the GPS information obtained according to GPS server determines the GPS information not being uploaded, and then avoids
Repeat the occurrence of GPS information uploads.Furthermore in method of the invention, vehicle-mounted DVR is first checked whether uploading and regarded in real time
Frequency information, the GPS information is not responding to if real-time video information is uploaded and mends biography order, is entered without carrying out GPS letters
The benefit of breath passes, and does not just have the generation of the bandwidth contention problem between video information upload so, does not interfere with video information
Timely transmission.In addition, the present invention method in, pair simultaneously mend pass GPS information vehicle-mounted DVR quantity be defined to 10~100,
And then reduce the bandwidth pressure of GPS server.
Brief description of the drawings
Fig. 1 is that the GPS information provided by the present invention from vehicle-mounted DVR to GPS server mends transmission method flow chart;
Fig. 2 is a specific embodiment flow chart of the inventive method.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, develop simultaneously embodiment referring to the drawings,
The present invention is described in further detail.
As shown in figure 1, the GPS information provided by the present invention from vehicle-mounted DVR to GPS server mends transmission method, including:
The GPS information recorded in GPS server scanning local data base, check the history for the GPS information that vehicle-mounted DVR is uploaded
Two neighboring GPS information acquisition time interval in data;
If the time interval is more than interval threshold, the GPS server issues GPS information to the vehicle-mounted DVR and mended
Pass order;
The GPS server receives the vehicle-mounted DVR and mends the GPS information passed, and the GPS information for mending biography is stored in
In local data base.
In this method, when the vehicle-mounted DVR receives the GPS information benefit biography order that the GPS server issues:
If vehicle-mounted DVR uploads real-time video information, it is not responding to the GPS information and mends biography order;
If vehicle-mounted DVR not uploads real-time video information, vehicle-mounted DVR is mended according to the GPS information and is passed order
Content, the GPS information for being mended biography is uploaded to the GPS server.
Wherein, the period belonging to the GPS information of biography is mended, i.e., between described two neighboring GPS information acquisition time
Period.
As a specific embodiment, the interval threshold in the present invention may be configured as 10~60 seconds.
In addition, to ensure the upload of real time GPS information, of the invention specific embodiment also includes:
The vehicle-mounted DVR will be saved in local disk from the current GPS information of GPS module real-time reception, while be taken to GPS
Business device uploads the current GPS information in real time;
The current GPS information that vehicle-mounted DVR described in the GPS server real-time reception is uploaded, and by the current GPS information
It is stored in local data base.
In the specific embodiment of the present invention, row information is entered by 3G network between the vehicle-mounted DVR and GPS server
Interaction.
The bandwidth pressure of GPS server during to reduce the GPS information of vehicle-mounted DVR benefits biography described in GPS server concurrent receipt,
In one embodiment of the present of invention, vehicle-mounted DVR described in the GPS server concurrent receipt mends the DVR quantity during GPS information passed
For 10~100.
In one embodiment of the present of invention, the GPS information recorded in the local data base that the GPS server is scanned is
GPS information in 3 days time ranges nearest apart from current time.
In addition, in embodiments of the invention, passed whenever completing once to mend to the GPS information of GPS server from vehicle-mounted DVR
Afterwards, by a time delayses, then mended next time from vehicle-mounted DVR to the GPS information of GPS server and pass, the time prolongs
When may be configured as 5~10 minutes.
The idiographic flow of transmission method is mended to the GPS information from vehicle-mounted DVR to GPS server of the present invention below in conjunction with Fig. 2
Illustrate.
As shown in Fig. 2 the idiographic flow of the present invention includes GPS server end flow and vehicle-mounted DVR flow journey two parts.
When vehicle-mounted DVR and GPS server carry out normal work:
GPS module obtains the current GPS information of vehicle position by satellite fix, and current GPS information is sent
To vehicle-mounted DVR.Wherein, GPS module can be built in vehicle-mounted DVR or carry out external connection with vehicle-mounted DVR, on GPS moulds
Block obtains current GPS information and belongs to prior art scheme, repeats no more.
The vehicle-mounted DVR will be saved in local disk from the current GPS information of GPS module real-time reception, meanwhile, pass through 3G
Network uploads the current GPS information to GPS server in real time;
The current GPS information that vehicle-mounted DVR described in the GPS server real-time reception is uploaded, and by the current GPS information
It is stored in local data base.
It is as follows that the flow passed is mended to the GPS information of GPS server from vehicle-mounted DVR.
GPS server end:
The GPS information recorded in step 101, scanning local data base, check that same chassis carries the GPS information that DVR is uploaded
Historical data, and perform step 102.
In this step, the historical data of the real time GPS information of the vehicle-mounted DVR uploads checked typically may be configured as from current
Time forward number 1~5 day within historical data, it may be preferable that may be configured as from current time forward number 3 days within going through
History data.
Step 102, check whether two neighboring GPS information acquisition time interval is more than interval threshold in historical data, such as
Fruit has then execution step 103, otherwise performs step 105.
In this step, interval threshold may be configured as 10~60 seconds, preferentially may be configured as 30 seconds.
Step 103, GPS information benefit biography order is issued to vehicle-mounted DVR, perform step 201 afterwards.
Wherein, GPS information is mended the period for passing and ordering and including being mended belonging to the GPS information of biography, i.e., and described adjacent two
Period between individual GPS information acquisition time.
Vehicle-mounted DVR ends:
Step 201, the GPS information benefit biography order that the GPS server issues is received, perform step 202 afterwards.
Step 202, judge whether to upload real-time video information, if it is perform step 203, otherwise perform step
204。
Step 203, it is not responding to the GPS information benefit biography order.
Step 204, the content for passing order is mended according to GPS information, the GPS information for being mended biography is uploaded into the GPS takes
Business device, performs step 104 afterwards.
GPS server end:
Step 104, the GPS information that the vehicle-mounted DVR mends biography is received, and the GPS information for mending biography is stored in local
In database, step 105 is performed afterwards.
Step 105, a time delayses are waited, afterwards into step 101.
Wherein described time delayses may be configured as 5~10 minutes, it is therefore preferable to 5 minutes.
In said process, when vehicle-mounted DVR, which performs step 203, is not responding to the GPS information benefit biography order, when GPS takes
Business device will not receive vehicle-mounted DVR feedback, therefore rest on step 103, now can be when GPS server sets a wait
Between, such as wait 1~2 minute, if having passed through the feedback that the stand-by period do not receive vehicle-mounted DVR also, return to step 101.
And then can solve the problems, such as that GPS server does not receive vehicle-mounted DVR responses.
The GPS information from vehicle-mounted DVR to GPS server of the present invention mends transmission method, is initiated by GPS server, according to GPS
The GPS information that server has obtained determines the GPS information not being uploaded, and then avoids repetition GPS information and upload situation
Occur.Furthermore in method of the invention, vehicle-mounted DVR, which is first checked whether, uploads real-time video information, if uploading reality
When video information be then not responding to the GPS information and mend pass order, the benefit entered without carrying out GPS information passes, and does not just have so
The generation of bandwidth contention problem between being uploaded with video information, does not interfere with the timely transmission of video information.It is in addition, of the invention
Method in, pair mend simultaneously and to pass the vehicle-mounted DVR quantity of GPS information and be defined to 10~100, and then reduce GPS server
Bandwidth pressure.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God any modification, equivalent substitution and improvements done etc., should be included within the scope of protection of the invention with principle.
Claims (10)
1. a kind of GPS information from vehicle-mounted DVR to GPS server mends transmission method, including:
The GPS information recorded in GPS server scanning local data base, check the historical data for the GPS information that vehicle-mounted DVR is uploaded
In two neighboring GPS information acquisition time interval;
If the time interval is more than interval threshold, the GPS server issues GPS information to the vehicle-mounted DVR and mends biography life
Order;
The GPS server receives the vehicle-mounted DVR and mends the GPS information passed, and the GPS information for mending biography is stored in into local
In database.
2. the GPS information according to claim 1 from vehicle-mounted DVR to GPS server mends transmission method, it is characterised in that institute
Stating method also includes:
When the vehicle-mounted DVR receives the GPS information benefit biography order that the GPS server issues:
If vehicle-mounted DVR uploads real-time video information, it is not responding to the GPS information and mends biography order;
If vehicle-mounted DVR not uploads real-time video information, vehicle-mounted DVR is mended according to the GPS information and passed in order
Hold, the GPS information for being mended biography is uploaded to the GPS server.
3. the GPS information according to claim 2 from vehicle-mounted DVR to GPS server mends transmission method, it is characterised in that institute
Stating method also includes:
The vehicle-mounted DVR will be saved in local disk from the current GPS information of itself GPS module real-time reception, while be taken to GPS
Business device uploads the current GPS information in real time;
The current GPS information that vehicle-mounted DVR described in the GPS server real-time reception is uploaded, and the current GPS information is preserved
In local data base.
4. the GPS information according to claim 1 or 2 from vehicle-mounted DVR to GPS server mends transmission method, it is characterised in that
The GPS information, which mends to pass to order, to be included:To be mended the period belonging to the GPS information of biography.
5. the GPS information according to claim 1 or 2 from vehicle-mounted DVR to GPS server mends transmission method, it is characterised in that:
Information exchange is carried out by 3G network between the vehicle-mounted DVR and GPS server.
6. the GPS information according to claim 1 from vehicle-mounted DVR to GPS server mends transmission method, it is characterised in that:Institute
The vehicle-mounted DVR quantity stated when vehicle-mounted DVR described in GPS server concurrent receipt mends the GPS information passed is 10~100.
7. the GPS information according to claim 1 from vehicle-mounted DVR to GPS server mends transmission method, it is characterised in that:Institute
It is in 3 days time ranges nearest apart from current time to state the GPS information recorded in the local data base that GPS server is scanned
GPS information.
8. the GPS information from vehicle-mounted DVR to GPS server according to any one of claims 1 to 3 mends transmission method, it is special
Sign is:After completing once to mend biography to the GPS information of GPS server from vehicle-mounted DVR, by a time delayses, then enter
Row is mended to the GPS information of GPS server from vehicle-mounted DVR and passed next time.
9. the GPS information according to claim 8 from vehicle-mounted DVR to GPS server mends transmission method, it is characterised in that:Institute
Time delayses are stated as 5~10 minutes.
10. the GPS information according to claim 1 from vehicle-mounted DVR to GPS server mends transmission method, it is characterised in that:Institute
Interval threshold is stated as 10~60 seconds.
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