CN103260195B - Video service data transmission and device - Google Patents
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- CN103260195B CN103260195B CN201210037331.3A CN201210037331A CN103260195B CN 103260195 B CN103260195 B CN 103260195B CN 201210037331 A CN201210037331 A CN 201210037331A CN 103260195 B CN103260195 B CN 103260195B
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Abstract
The embodiment of the invention discloses a kind of video service data transmission and device, relate to communication technical field, described method includes: target BS intercepts the HTML (Hypertext Markup Language) HTTP acquisition request that user equipment (UE) sends to service provider SP server, and described HTTP obtains the original position of the remaining video data that request includes not downloaded when described UE is in source base station; Described target BS determines whether described remaining video data are buffered in the wireless access network RAN buffer memory of described target BS; If described remaining video data buffer storage is in the RAN buffer memory of described target BS, described target BS sends to described UE and redirects message. The present invention is suitable for use with the transmission of video business that wireless access network carries out.
Description
Technical field
The present invention relates to communication technical field, particularly to a kind of video service data transmission and device.
Background technology
Along with internet development, user is more and more universal by video website viewing video, and the video of part website is based on the video of HTTP (HyperTextTransferProtocol, HTML (Hypertext Markup Language)). User uses HTTP progressive download mode to play out when watching these videos, while user plays video, it is possible to by server, video file being sent to user, namely user can see while download; Even if user suspends broadcasting, remaining video file still can be sent to user by server, until being sent.
When user uses mobile terminal to pass through wireless network viewing video, due to the movement of terminal, can cause that terminal switches between different base stations. When the buffered video data amount in source base station is little, it is possible to ensure that user watches the seriality of video, but, when buffered video data amount is very big, if carried out data transmission by X2 interface, then X2 interface can be caused very big load, cause video time delay or interruption.
Summary of the invention
Embodiments of the invention provide a kind of video traffic transmission method and device, when user terminal switches between base station, it is possible to ensure the seriality of the video traffic data transmission of user terminal program request, promote Consumer's Experience.
On the one hand, it is provided that a kind of video service data transmission, including:
Target BS intercepts the HTML (Hypertext Markup Language) HTTP acquisition request that user equipment (UE) sends to service provider SP server, and described HTTP obtains the original position of the remaining video data that request includes not downloaded when described UE is in source base station;
Described target BS determines remaining video data according to the original position of described remaining video data;
Described target BS determines whether described remaining video data are buffered in the wireless access network RAN buffer memory of described target BS;
If described remaining video data buffer storage is in the RAN buffer memory of described target BS, described target BS sends to described UE and redirects message.
On the one hand, it is provided that another kind of video service data transmission, including:
Source base station is after user equipment (UE) is switched to target BS, it is determined that to whether the described UE nearest video unit sent all is sent completely;
If described video unit is not all sent completely, then the remainder of described video unit is transmitted to described target BS by described source base station.
On the one hand, it is provided that a kind of base station, including:
Blocking module, the HTML (Hypertext Markup Language) HTTP sent to service provider SP server for intercepting user equipment (UE) obtains request, and described HTTP obtains the original position of the remaining video data that request includes not downloaded when described UE is in source base station;
First determines module, and the original position of the described remaining video data for intercepting according to described blocking module determines remaining video data;
Second determines module, for determining that described first determines whether the described remaining video data that module is determined are buffered in the wireless access network RAN buffer memory of target BS;
Message transmission module, when determining that module determines that described remaining video data buffer storage is in the RAN buffer memory of described target BS for described second, sends to described UE and redirects message.
On the one hand, it is provided that another kind of base station, including:
First determines module, for after user equipment (UE) is switched to target BS, it is determined that to whether the described UE nearest video unit sent all is sent completely;
Data transmission blocks, for when described first determines that module determines that video unit is not all sent completely, being transmitted to described target BS by the remainder of described video unit.
Compared with prior art, the embodiment of the present invention can when UE switches from source base station to target BS, described source base station is determined to whether the described UE nearest video unit sent all is sent completely, if described video unit is all sent completely, then the remaining video data that described UE has not downloaded either directly through target BS or SP server; If described video unit is not all sent completely, then the remainder of described video unit is transmitted to described target BS by X2 interface by source base station, described video unit can be defined as, according to capacity or time span, the unit that capacity is less, UE plays the seriality of video, improves Consumer's Experience to avoid source base station to forward larger data to ensure that while X2 interface is impacted.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme in the embodiment of the present invention, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the method flow diagram of one embodiment of video service data transmission of the present invention;
Fig. 2 is the method flow diagram of another embodiment of video service data transmission of the present invention;
Fig. 3 is the method flow diagram of another embodiment of video service data transmission of the present invention;
Fig. 4 is the structural representation of a kind of base station of the present invention;
Fig. 5 is the structural representation of another kind base station of the present invention;
Fig. 6 is the structural representation of another kind base station of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments. Based on the embodiment in the present invention, all other embodiments that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention.
For making the advantage of technical solution of the present invention clearly, below in conjunction with drawings and Examples, the present invention is elaborated.
Fig. 1 is the method flow diagram of one embodiment of video service data transmission of the present invention, as it is shown in figure 1, described method includes:
101, target BS intercepts UE (UserEquipment, subscriber equipment) to SP (SeverProvider, service provider) the HTML (Hypertext Markup Language) HTTP that sends of server obtains request, and described HTTP obtains the original position of remaining video data that request includes not downloaded when described UE is in source base station.
102, described target BS determines remaining video data according to the original position of described remaining video data.
103, described target BS determines whether described remaining video data are buffered in RAN (RadioAccessNetwork, the wireless access network) buffer memory of described target BS.
If 104 described remaining video data buffer storages are in the RAN buffer memory of described target BS, described target BS sends to described UE and redirects message.
Further, if described remaining video data are not buffered in the RAN buffer memory of described target BS, send described HTTP to described SP server and obtain request.
Further, described after described UE transmission redirection message, also include:
Receive the described UE video sent and download request, set up TCP (TransmissionControlProtocol, transmission control protocol) with described UE and connect;
Described remaining video data are sent to described UE.
Optionally, described target BS receives the video data that described source base station sends, and described video data is sent to described UE, wherein, described video data is described UE when being in source base station, and described source base station is to the part not being sent completely of described UE last video unit sent.
Wherein, described redirection message includes URL (UniformResourceLocator, the URL) address of described remaining video data buffer storage.
Compared with prior art, the embodiment of the present invention can after UE be switched to target BS, described target BS determines whether the described UE video data asked is present in the RAN buffer memory of self, if being present in the RAN buffer memory of self, then UE is directly postponed and left the video that load is not fully complete; If being not present in the RAN buffer memory of self, then the video request of UE is sent to SP server, the video being not fully complete directly is downloaded from SP server, avoid the impact when video data in own cache is transmitted to target BS by source base station, X2 interface caused, ensure that UE plays the seriality of video, promote Consumer's Experience.
Fig. 2 is the method flow diagram of another embodiment of video service data transmission of the present invention, as in figure 2 it is shown, described method includes:
201, source base station is after user equipment (UE) is switched to target BS, it is determined that to whether the described UE nearest video unit sent all is sent completely.
If 202 described video units are not all sent completely, then the remainder of described video unit is transmitted to described target BS by described source base station.
Wherein, described video unit includes:
The size of one frame of video and described frame of video; Or,
Video data in the setting time; Or,
Set the video data of amount of capacity.
Compared with prior art, the embodiment of the present invention can when UE switches from source base station to target BS, described source base station is determined to whether the described UE nearest video unit sent all is sent completely, if described video unit is not all sent completely, then the remainder of described video unit is transmitted to described target BS by X2 interface by source base station, described video unit can be defined as, according to capacity or time span, the unit that capacity is less, avoid the impact when video data in own cache is transmitted to target BS by source base station, X2 interface caused, ensure that UE plays the seriality of video, promote Consumer's Experience.
Fig. 3 is the method flow diagram of another embodiment of video service data transmission of the present invention, as it is shown on figure 3, described method includes:
301, source base station sends the switching command switching to target BS to user equipment (UE).
302, described source base station is after user equipment (UE) is switched to target BS, it is determined that to whether the described UE nearest video unit sent all is sent completely. If described video unit is all sent completely, perform step 304,306-308; If video unit is not all sent completely, perform step 303-308.
When UE obtains video data by source base station to SP server, described video data can become different video unit according to capacity definition so that when video unit is sent to target BS by X2 interface, will not X2 be impacted. Concrete, the definition method of a video unit can be:
The size of one frame of video and described frame of video; Or,
Video data in the setting time, for instance, the video data of 5s time span; Or,
Set the video data of amount of capacity, for instance, the video data of 100kb (Kilobyte, kilobytes).
When UE switches from source base station to target BS, would be likely to occur source base station and one video unit only be have sent the part situation to UE, in such cases, in order to ensure the seriality of video playback, source base station needs the remainder of described video unit is sent to target BS, then passes through target BS and is sent to UE.
303, the remainder of described video unit is transmitted to described target BS by described source base station.
304, described UE switches to described target BS.
305, the remainder of described video unit is transmitted to UE by described target BS.
306, described UE sends HTTP to SP server and obtains request.
Wherein, according to the video of buffer memory in UE, described HTTP obtains the URL the asked original position including needing foradownloaded video. Such as, described UE has been downloaded into the 10th second of video, it is necessary to continued to download from the 11st second, then described HTTP acquisition request is as follows:
GEThttp: //sever1.example.com/media.flv? start=11HTTP/1.1
Accept:*/*
Proxy-Connection:Keep-Alive
User-Agent:Mozilla/4.0 (compatible; MSIE6.0; WindowsNT5.1; SV1)
Host:sever.example.com
Cookie:
307, described target BS intercepts the described UE HTTP sent and obtains request.
308, described target BS determines whether described remaining video data are buffered in the wireless access network RAN buffer memory of described target BS. If described remaining video data buffer storage is in the RAN buffer memory of described target BS, perform step 309-310,312; If described remaining video data are not buffered in the RAN buffer memory of described target BS, perform step 311-312
309, described target BS sends to described UE and redirects message.
Such as, the location header field redirected in message indicates the URL address of target BS buffer memory:
HTTP/1.1303SeeOther
Proxy-Connection:Keep-Alive
Connection:Keep-Alive
Content-Length:0
Via:1.1SZXISA06-IN
Date:Thu, 09May201103:31:53GMT
Location:http: //sever2.example.com/
Content-Type:text/xml
Server:Microsoft-IIS/7.5
310, after described UE receives described redirection message, send video to described target BS and download request.
Such as, described download request can be:
GEThttp: //sever1.example.com/media.flv? start=11HTTP/1.1
Accept:*/*
Proxy-Connection:Keep-Alive
User-Agent:Mozilla/4.0 (compatible; MSIE6.0; WindowsNT5.1; SV1)
Host:sever.example.com
Cookie:
311, described HTTP is obtained request and is sent to SP server by described source base station.
312, described target BS is set up TCP with described UE and is connected, transmitting video data.
Such as, described source base station is as follows to described UE reply request:
HTTP/1.1200OK
Proxy-Connection:Keep-Alive
Connection:Keep-Alive
Content-Length:5950510
Via:1.1SZXISA06-IN
Date:Mon, 11Oct201001:49:42GMT
Content-Type:video/flv
ETag: " 920374983 "
Server:sever.example.com
Last-Modified:Sun, 10Oct201023:50:43GMT
Compared with prior art, the embodiment of the present invention can when UE switches from source base station to target BS, described source base station is determined to whether the described UE nearest video unit sent all is sent completely, if described video unit is all sent completely, then the remaining video data that described UE has not downloaded either directly through target BS or SP server; If described video unit is not all sent completely, then the remainder of described video unit is transmitted to described target BS by X2 interface by source base station, described video unit can be defined as, according to capacity or time span, the unit that capacity is less, UE plays the seriality of video, improves Consumer's Experience to avoid source base station to forward larger data to ensure that while X2 interface is impacted.
Fig. 4 is the structural representation of a kind of base station of the present invention, and as shown in Figure 4, described base station includes:
Blocking module 41, the HTML (Hypertext Markup Language) HTTP sent to service provider SP server for intercepting user equipment (UE) obtains request, and described HTTP obtains the original position of the remaining video data that request includes not downloaded when described UE is in source base station;
First determines module 42, and the original position of the described remaining video data for intercepting according to described blocking module 41 determines remaining video data;
Second determines module 43, for determining that described first determines whether the described remaining video data that module 42 is determined are buffered in the wireless access network RAN buffer memory of target BS;
Message transmission module 44, when determining that module 43 determines that described remaining video data buffer storage is in the RAN buffer memory of described target BS for second, sends to described UE and redirects message.
Further, described message transmission module 44 is additionally operable to:
When described remaining video data are not buffered in the RAN buffer memory of described target BS, send described HTTP to described SP server and obtain request.
Further, as it is shown in figure 5, described base station can also include:
Connection establishment module 45, for downloading request according to the described UE video sent, sets up transmission control protocol TCP with described UE and is connected;
Remaining data sending module 46, for setting up after TCP is connected in described connection establishment module 45, to the described UE described remaining video data of transmission with described UE.
Further, as it is shown in figure 5, described base station can also include:
Processing module 47, for receiving the video data that described source base station sends, and described video data is sent to described UE, wherein, described video data is described UE when being in source base station, and described source base station is to the part not being sent completely of described UE last video unit sent.
Wherein, the redirection message that described message transmission module 44 sends includes the uniform resource position mark URL address of described video data buffer memory.
Compared with prior art, the embodiment of the present invention can after UE be switched to target BS, target BS determines whether the described UE video data asked is present in the RAN buffer memory of self, if being present in the RAN buffer memory of self, then UE is directly postponed and left the video that load is not fully complete; If being not present in the RAN buffer memory of self, then the video request of UE is sent to SP server, the video being not fully complete directly is downloaded from SP server, avoid the impact when video data in own cache is transmitted to target BS by source base station, X2 interface caused, ensure that UE plays the seriality of video, promote Consumer's Experience.
Fig. 6 is the structural representation of another kind base station of the present invention, and as shown in Figure 6, described base station includes:
First determines module 61, for after user equipment (UE) is switched to target BS, it is determined that to whether the described UE nearest video unit sent all is sent completely;
Data transmission blocks 62, for when described first determines that module 61 determines that video unit is not all sent completely, being transmitted to described target BS by the remainder of described video unit.
Wherein, the video unit that described data transmission blocks 62 sends includes:
The size of one frame of video and described frame of video; Or,
Video data in the setting time; Or,
Set the video data of amount of capacity.
Compared with prior art, the embodiment of the present invention can when UE switches from source base station to target BS, described source base station determines the need for the partial video data that the described UE of storage has not downloaded in described target BS forwarding cache, if desired described partial video data is forwarded, then described partial video data is divided into less unit to be transmitted to described target BS by X2 interface by source base station, avoid the impact when video data in own cache is transmitted to target BS by source base station, X2 interface caused, ensure that UE plays the seriality of video, promote Consumer's Experience.
The video service data transmission of embodiment of the present invention offer and base station can realize the embodiment of the method for above-mentioned offer, and concrete function realizes the explanation referring in embodiment of the method, does not repeat them here. Video service data transmission and base station that the embodiment of the present invention provides go for the transmission of video business that use wireless access network carries out, but are not limited only to this.
One of ordinary skill in the art will appreciate that all or part of flow process realizing in above-described embodiment method, can be by the hardware that computer program carrys out instruction relevant to complete, described program can be stored in a computer read/write memory medium, this program is upon execution, it may include such as the flow process of the embodiment of above-mentioned each side method. Wherein, described storage medium can be magnetic disc, CD, read-only store-memory body (Read-OnlyMemory, ROM) or random store-memory body (RandomAccessMemory, RAM) etc.
The above; being only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, any those familiar with the art is in the technical scope that the invention discloses; the change that can readily occur in or replacement, all should be encompassed within protection scope of the present invention. Therefore, protection scope of the present invention should be as the criterion with scope of the claims.
Claims (10)
1. a video service data transmission, it is characterised in that including:
Target BS intercepts the HTML (Hypertext Markup Language) HTTP acquisition request that user equipment (UE) sends to service provider SP server, and described HTTP obtains the original position of the remaining video data that request includes not downloaded when described UE is in source base station; Described video data is described UE when being in source base station, and described source base station is to the part not being sent completely of described UE last video unit sent; Described video unit includes: the size of a frame of video and described frame of video; Or, the video data in the setting time; Or, set the video data of amount of capacity;
Described target BS determines remaining video data according to the original position of described remaining video data;
Described target BS determines whether described remaining video data are buffered in the wireless access network RAN buffer memory of described target BS;
If described remaining video data buffer storage is in the RAN buffer memory of described target BS, described target BS sends to described UE and redirects message.
2. method according to claim 1, it is characterised in that if described remaining video data are not buffered in the RAN buffer memory of described target BS, sends described HTTP to described SP server and obtains request.
3. method according to claim 1, it is characterised in that described after described UE transmission redirection message, also include:
Receive the described UE video sent and download request, set up transmission control protocol TCP with described UE and be connected;
Described remaining video data are sent to described UE.
4. method according to claim 1, it is characterised in that before described target BS intercepts the UE HTTP sent to SP server acquisition request, also include:
Described target BS receives the video data that described source base station sends, and described video data is sent to described UE, wherein, described video data is described UE when being in source base station, and described source base station is to the part not being sent completely of described UE last video unit sent.
5. method according to claim 1, it is characterised in that described redirection message includes the uniform resource position mark URL address of described remaining video data buffer storage.
6. a base station, it is characterised in that including:
Blocking module, the HTML (Hypertext Markup Language) HTTP sent to service provider SP server for intercepting user equipment (UE) obtains request, and described HTTP obtains the original position of the remaining video data that request includes not downloaded when described UE is in source base station; Described video data is described UE when being in source base station, and described source base station is to the part not being sent completely of described UE last video unit sent; Described video unit includes: the size of a frame of video and described frame of video; Or, the video data in the setting time; Or, set the video data of amount of capacity;
First determines module, and the original position of the described remaining video data for intercepting according to described blocking module determines remaining video data;
Second determines module, for determining that described first determines whether the described remaining video data that module is determined are buffered in the wireless access network RAN buffer memory of target BS;
Message transmission module, when determining that module determines that described remaining video data buffer storage is in the RAN buffer memory of described target BS for described second, sends to described UE and redirects message.
7. base station according to claim 6, it is characterised in that described message transmission module is additionally operable to:
When described remaining video data are not buffered in the RAN buffer memory of described target BS, send described HTTP to described SP server and obtain request.
8. base station according to claim 6, it is characterised in that described base station also includes:
Connection establishment module, for downloading request according to the described UE video sent, sets up transmission control protocol TCP with described UE and is connected;
Remaining data sending module, for setting up after TCP is connected in described connection establishment module, to the described UE described remaining video data of transmission with described UE.
9. base station according to claim 6, it is characterised in that described base station also includes:
Processing module, for receiving the video data that described source base station sends, and described video data is sent to described UE, wherein, described video data is described UE when being in source base station, and described source base station is to the part not being sent completely of described UE last video unit sent.
10. base station according to claim 6, it is characterised in that the redirection message that described message transmission module sends includes the uniform resource position mark URL address of described remaining video data buffer storage.
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| CN107079366A (en) * | 2014-09-25 | 2017-08-18 | 诺基亚通信公司 | TCP connections are set up and switched |
| CN106231607A (en) * | 2016-09-21 | 2016-12-14 | 北京佰才邦技术有限公司 | The method of a kind of resource distribution and base station |
| CN108111866A (en) * | 2016-11-24 | 2018-06-01 | 法乐第(北京)网络科技有限公司 | The control method and system of audio and video playing |
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