CN105227588A - A kind of method for down loading of files in stream media and user terminal - Google Patents
A kind of method for down loading of files in stream media and user terminal Download PDFInfo
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- CN105227588A CN105227588A CN201410232210.3A CN201410232210A CN105227588A CN 105227588 A CN105227588 A CN 105227588A CN 201410232210 A CN201410232210 A CN 201410232210A CN 105227588 A CN105227588 A CN 105227588A
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Abstract
The present invention relates to communication technical field, particularly relate to a kind of method for down loading and user terminal of files in stream media, the method for the embodiment of the present invention comprises: user terminal is determined to be about to enter Zone switched or weak overlay area; Described user terminal determine current not from the request sending download stream media data during server download stream media data to server, or determining currently to send to server the request accelerating download stream media data from during server download stream media data; Described user terminal receives the stream medium data that described server sends.Be about to enter Zone switched or weak overlay area owing to predicting user terminal in advance, in advance download stream volume data, can avoid follow-uply causing that stream medium data cannot normally be downloaded, files in stream media plays the problem of interrupting because wireless environment is deteriorated.
Description
Technical field
The present invention relates to communication technical field, particularly relate to a kind of method for down loading and user terminal of files in stream media.
Background technology
At multimedia files such as transmission over networks audio/videos, mainly contain at present and all download and stream transmission two kinds of modes.Whole downloading mode needs multimedia file all to download complete could broadcasting, because multimedia file is usually larger, simultaneously due to the restriction of the network bandwidth, even a few hours could download a complete multimedia file to adopt whole downloading mode usually to need several minutes, therefore, adopt the delay of all downloading this processing method very large.
Streaming manner refers to the mode transmitted continuously, in real time to client by multimedia message server by the multimedia files such as audio/video.The consecutive hours base media of streaming technology transmission are used to be called Streaming Media.Under this streaming manner, user need not wait until that whole file is all downloaded complete, and only need can carry out viewing played data through the download of several seconds or ten several seconds.Be characterized in that data flow transmits at any time to play at any time, when stream medium data is play on the client, the remainder of files in stream media will continue in server on backstage to download.Adopt the Technology of Multimedia Stream Playing of streaming manner to avoid user and must wait for that whole file all downloads the complete shortcoming that could watch from network.
In Technology of Multimedia Stream Playing, needed stream medium data to be downloaded in a streaming media buffer district (hereinafter referred to as buffering area) before beginning play stream media data.The process that wait stream medium data downloads to buffering area is called buffering, is generally divided into and cushions first and again cushion.Buffering refers to the process of stream medium data to buffering area of the given amount of data (being enough to the data volume play) that needs to wait for downloads before files in stream media starts to play first, the stand-by period cushioned first refer to from download to time of the stream medium data having downloaded given amount of data.After the stream medium data amount downloaded reaches given amount of data, then the stream medium data read in this buffering area is play, and continues to download follow-up stream medium data while sense data carries out playing in this buffering area, thus Continuous Play.
Buffering refers to once occur that the stream medium data in buffering area has been read again, and the wait stream medium data occurred downloads the process of stream medium data to buffering area of given amount of data (being enough to the data volume play).The stand-by period again cushioned refer to from etc. until downloaded the time of the stream medium data of given amount of data (be enough to play data volume).The stand-by period cushioned first, the probability again cushioned and the stand-by period again cushioned are the important indicators weighing streaming media playing efficiency.Wherein, the probability again cushioned is a very important efficiency index especially, if the number of times again cushioned is more, then can have a strong impact on playing efficiency, finally affects user and experiences the broadcasting of whole files in stream media.
In current streaming media buffer play-back technology scheme, the buffering capacity of buffering area is fixing.Such as setting can play the data volume in 5 seconds as buffering capacity, supposes that the data volume of the stream medium data can playing for 5 seconds is 512 bytes, then cushion first and again cushion the stream medium data all needing download 512 byte.If the stream medium data of complete 512 bytes of user terminal downloads, then no longer from server download stream media data, until the data volume of current cache is less than the half (as 256 bytes) of the buffering capacity of buffering area, just start from server download stream media data.
Above-mentioned mechanism conventionally, if the current needs of user terminal are from server download stream media data, and the current residing network environment of user terminal is poor, then user terminal cannot normal download stream media data, thus cause files in stream media can not Continuous Play, affect Consumer's Experience.
Summary of the invention
Embodiments provide a kind of method for down loading and user terminal of files in stream media, poor in order to solve the current residing network environment of the user terminal existed in prior art, cannot normal download stream media data, thus cause files in stream media can not Continuous Play, affect the problem of Consumer's Experience.
The embodiment of the present invention provides a kind of method for down loading of files in stream media, and described method comprises:
User terminal is determined to be about to enter Zone switched or weak overlay area;
Described user terminal determine current not from the request sending download stream media data during server download stream media data to server, or determining currently to send to server the request accelerating download stream media data from during server download stream media data;
Described user terminal receives the stream medium data that described server sends.
Adopt the scheme of the embodiment of the present invention, be about to enter Zone switched or weak overlay area owing to predicting user terminal in advance, in advance download stream volume data, can avoid follow-uply causing that stream medium data cannot normally be downloaded, files in stream media plays the problem of interrupting because wireless environment is deteriorated.
Alternatively, user terminal is determined to be about to enter Zone switched or weak overlay area, specifically comprises:
The signal strength signal intensity of described user terminal to Serving cell and adjacent area carries out test constantly;
Described user terminal is determined to be about to enter Zone switched or weak overlay area according to the signal strength signal intensity measuring Serving cell and the adjacent area obtained.
So, user terminal spontaneously can judge self whether to be about to enter Zone switched or weak overlay area, efficiency is higher.
Alternatively, user terminal is determined to be about to enter Zone switched or weak overlay area, specifically comprises:
The signal strength signal intensity of described user terminal to Serving cell and adjacent area carries out test constantly;
Described user terminal will measure the reporting signal strength of Serving cell and the adjacent area obtained to base station;
Described user terminal receives described base station is about to enter Zone switched or weak overlay area notice by the described user terminal that radio resource control RRC signaling sends.
So, user terminal can be determined self to be about to enter Zone switched or weak overlay area according to the notice of base station, can reduce the processing procedure of user terminal, reduces the loss of user terminals resources.
Alternatively, described user terminal determine current not from the request sending download stream media data during server download stream media data to server, or determining currently to send to server the request accelerating download stream media data from during server download stream media data, specifically comprise:
The rrc layer of described user terminal sends a notification message to application layer, wherein, comprise the information that described user terminal is about to enter Zone switched or weak overlay area in described notification message, or in described notification message, comprise the information of the application layer download stream media data indicating described user terminal;
The application layer of described user terminal determine current not from the request sending download stream media data during server download stream media data to server, or determining currently to send to server the request accelerating download stream media data from during server download stream media data.
So, can be adjudicated the need of the request to server transmission download stream media data by the application layer of user terminal, or send the request accelerating download stream media data to server.
Alternatively, the application layer of described user terminal also comprises before sending the request of download stream media data to server:
The data volume of the stream medium data of the application layer determination current cache of described user terminal is less than default buffer data size threshold value.
So, can avoid continually from server download stream media data, and can ensure that the follow-up stream medium data from server download can buffer memory.
Alternatively, also comprise the data-transmission interruptions duration that described rrc layer is estimated in described notification message, the application layer of described user terminal also comprises before sending the request of download stream media data to server:
The duration that the stream medium data of the application layer determination current cache of described user terminal can be play is less than described data-transmission interruptions duration and the duration sum downloading the stream medium data of preset data amount from server.
So, can judge whether to need from server download stream media data in conjunction with the downloading duration of the data volume of the stream medium data of real cache, data-transmission interruptions duration and stream medium data.
The embodiment of the present invention also provides a kind of user terminal, and described user terminal comprises:
Determination module, is about to enter Zone switched or weak overlay area for determining;
Processing module, for determine current not from the request sending download stream media data during server download stream media data to server, or determining currently to send to server the request accelerating download stream media data from during server download stream media data;
Receiver module, for receiving the stream medium data that described server sends.
Be about to enter Zone switched or weak overlay area owing to predicting user terminal in advance, in advance download stream volume data, can avoid follow-uply causing that stream medium data cannot normally be downloaded, files in stream media plays the problem of interrupting because wireless environment is deteriorated.
Alternatively, described determination module specifically for:
Test constantly is carried out to the signal strength signal intensity of Serving cell and adjacent area, and determines to be about to enter Zone switched or weak overlay area according to the signal strength signal intensity measuring Serving cell and the adjacent area obtained.
So, user terminal spontaneously can judge self whether to be about to enter Zone switched or weak overlay area, efficiency is higher.
Alternatively, described determination module specifically for:
Test constantly is carried out to the signal strength signal intensity of Serving cell and adjacent area, to the reporting signal strength of Serving cell and the adjacent area obtained be measured to base station, and receive described base station is about to enter Zone switched or weak overlay area notice by the described user terminal that radio resource control RRC signaling sends.
So, user terminal can be determined self to be about to enter Zone switched or weak overlay area according to the notice of base station, can reduce the processing procedure of user terminal, reduces the loss of user terminals resources.
Alternatively, described processing module comprises rrc layer submodule and application layer submodule, wherein:
Described rrc layer submodule, for sending a notification message to application layer submodule, wherein, comprise the information that described user terminal is about to enter Zone switched or weak overlay area in described notification message, or in described notification message, comprise the information of the application layer submodule download stream media data indicating described user terminal;
Described application layer submodule, for determine current not from the request sending download stream media data during server download stream media data to server, or determining currently to send to server the request accelerating download stream media data from during server download stream media data.
So, can be adjudicated the need of the request to server transmission download stream media data by the application layer of user terminal, or send the request accelerating download stream media data to server.
Alternatively, described application layer submodule also for:
Send the request of download stream media data to server before, determine that the data volume of the stream medium data of current cache is less than default buffer data size threshold value.
So, can avoid continually from server download stream media data, and can ensure that the follow-up stream medium data from server download can buffer memory.
Alternatively, in described notification message, also comprise the data-transmission interruptions duration that described rrc layer submodule is estimated, described application layer submodule also for:
Send the request of download stream media data to server before, determine that the duration that the stream medium data of current cache can be play is less than described data-transmission interruptions duration and the duration sum downloading the stream medium data of preset data amount from server.
So, can judge whether to need from server download stream media data in conjunction with the downloading duration of the data volume of the stream medium data of real cache, data-transmission interruptions duration and stream medium data.
Accompanying drawing explanation
Fig. 1 is the step schematic diagram of the method for down loading of files in stream media in the embodiment of the present invention one;
Fig. 2 is the structural representation of user terminal in the embodiment of the present invention two.
Embodiment
The scheme of the embodiment of the present invention is when determining that user terminal is about to enter Zone switched or weak overlay area, if user terminal is current not from server download stream media data, the request of download stream media data is then sent to server, if user terminal is current from server download stream media data, the request accelerating download stream media data is then sent to server, and the stream medium data that reception server sends.Be about to enter Zone switched or weak overlay area owing to predicting user terminal in advance, in advance download stream volume data, can avoid follow-uply causing that stream medium data cannot normally be downloaded, files in stream media plays the problem of interrupting because wireless environment is deteriorated.
Below in conjunction with Figure of description, embodiments of the present invention is further illustrated, but the present invention is not limited to the following examples.
Embodiment one:
As shown in Figure 1, in the embodiment of the present invention one, the method for down loading of files in stream media comprises the following steps:
Step 101: user terminal is determined to be about to enter Zone switched or weak overlay area;
Step 102: user terminal determine current not from the request sending download stream media data during server download stream media data to server, or determining currently to send to server the request accelerating download stream media data from during server download stream media data;
Step 103: the stream medium data that user terminal reception server sends.
Step 101 specifically realizes by following two kinds of modes:
Mode one: the signal strength signal intensity of user terminal to Serving cell and adjacent area carries out test constantly, and determine to be about to enter Zone switched or weak overlay area according to the signal strength signal intensity measuring Serving cell and the adjacent area obtained.
Particularly, the signal strength signal intensity of user terminal to Serving cell and adjacent area carries out test constantly, if user terminal identifies the signal strength signal intensity that the signal strength signal intensity that at least there is an adjacent area is all greater than Serving cell in preset time period, or at least there is the signal strength signal intensity of an adjacent area and be all greater than default intensity threshold in preset time period, then can determine that user terminal is about to enter Zone switched.If the signal strength signal intensity that user terminal identifies Serving cell is all less than default intensity threshold in preset time period, then can determine that user terminal is about to enter weak overlay area.Wherein, the signal strength signal intensity in embodiment of the present invention scheme can be Reference Signal Received Power (RSRP, ReferenceSignalReceivingPower).
Mode two:
The signal strength signal intensity of user terminal to Serving cell and adjacent area carries out test constantly, and will measure the reporting signal strength of Serving cell and the adjacent area obtained to base station; User terminal receives base station and is about to by this user terminal of wireless heterogeneous networks (RRC, RadioResourceControl) signaling transmission the notice entering Zone switched or weak overlay area.
Wherein, user terminal periodically can will measure the reporting signal strength of the Serving cell that obtains and adjacent area to base station, also can receive that base station issues report instruction after will measure the reporting signal strength of Serving cell and the adjacent area obtained to base station.
Base station, is about to enter Zone switched or weak overlay area by this user terminal of RRC signaling according to the Serving cell of user terminal to send up and the signal strength signal intensity of adjacent area after determining that this user terminal is about to enter Zone switched or weak overlay area.
Particularly, the Serving cell of base station according to this user terminal to send up and the signal strength signal intensity of adjacent area, if identify the signal strength signal intensity that the signal strength signal intensity that at least there is an adjacent area is all greater than Serving cell in preset time period, or at least there is the signal strength signal intensity of an adjacent area and be all greater than default intensity threshold in preset time period, then can determine that this user terminal is about to enter Zone switched; If the signal strength signal intensity identifying Serving cell is all less than default intensity threshold in preset time period, then can determine that user terminal is about to enter weak overlay area.
User terminal, after determining and self being about to enter Zone switched or weak overlay area, if current not from server download stream media data, then sends the request of download stream media data to server; If current from server download stream media data, then send the request accelerating download stream media data to server.Wherein, server, after the request receiving the acceleration download stream media data that user terminal sends, can improve the message transmission rate sending stream medium data to user terminal.
Particularly, after determining and being about to enter Zone switched or weak overlay area, the rrc layer of user terminal sends a notification message to application layer.Wherein, in notification message, comprise the information that user terminal is about to enter Zone switched or weak overlay area, or in notification message, comprise the information of application layer download stream media data of indicating user terminal.The application layer of user terminal, after the notification message receiving rrc layer transmission, can be adjudicated and whether initiate stream medium data download request.If the application layer of user terminal is judged current not from server download stream media data, then send the request of download stream media data to server.If the application layer of user terminal is judged current from server download stream media data, then send the request accelerating download stream media data to server.
Further, in order to avoid user terminal initiates files in stream media download request to server continually, and ensure that the stream medium data downloaded can carry out buffer memory effectively, the application layer of user terminal, before the request sending download stream media data to server, first can determine that the data volume of the stream medium data of current cache is less than default buffer data size threshold value.That is, the application layer of user terminal is only being determined current not from server download stream media data, and when the data volume of the stream medium data of current cache is less than default buffer data size threshold value, just sends download stream media data request to server.
In embodiment of the present invention scheme, buffer data size threshold value can static configuration in the application layer of user terminal, also by server by application layer IP data interaction, buffer data size threshold value can be sent to the application layer of user terminal.Wherein, buffer data size threshold values can be relevant to the maximum amount of data that buffering area can hold, such as, and 90% of the maximum amount of data that buffer data size threshold values can be able to hold for buffering area.Suppose that the maximum amount of data that buffering area can hold is 500 bytes, then buffer data size threshold value is 450 bytes.Based on this, determine in the application layer of user terminal current less than during from server download stream media data, if the data volume of the stream medium data of current cache has reached 450 bytes, then do not send the request of download stream media data to server; 450 bytes that if the data volume of the stream medium data of current cache is less than (not reaching), then can send the request of download stream media data to server.
Alternatively, be about to enter the information of Zone switched or weak overlay area in the notification message that the rrc layer of user terminal sends to application layer except comprising user terminal, or outside the information of the application layer download stream media data of indicating user terminal, also can comprise the data-transmission interruptions duration that rrc layer is estimated, before then the application layer of user terminal sends the request of download stream media data to server, first can determine that the duration that the stream medium data of current cache can be play is less than this data-transmission interruptions duration and the duration sum downloading the stream medium data of preset data amount from server.That is user terminal application layer can determine current not from server download stream media data, and the duration that the stream medium data of current cache can be play is when being less than this data-transmission interruptions duration and downloading the duration sum of the stream medium data of preset data amount from server, to the request of server transmission download stream media data.
Wherein, the data-transmission interruptions duration that rrc layer is estimated specifically can be determined according to history handover information, such as by historical record from monitoring Radio Link Failure (RLF, RadioLinkFailure) until again monitor the Target cell that can switch to, and the duration being successfully completed RRC connection reconstruction is as data-transmission interruptions duration.The duration downloading the stream medium data of preset data amount from server is specially user terminal and initiates a transmission control protocol (TCP, TransmissionControlProtocol) connection establishment, until user terminal downloads to the duration of the stream medium data of preset data amount from server.Preset data amount is specifically as follows the data volume of the stream medium data can playing preset duration, can set according to actual conditions, such as, can play the data volume of the stream medium data in 5 seconds.Wherein, the corresponding relation of data volume and playing duration can be determined according to the coded format of files in stream media.
Embodiment two:
The present embodiment two is a kind of user terminals belonging to same inventive concept with embodiment one, and therefore the enforcement of embodiment two see the enforcement of embodiment one, can repeat part and repeat no more.
As shown in Figure 2, described user terminal comprises:
Determination module 21, is about to enter Zone switched or weak overlay area for determining;
Processing module 22, for determine current not from the request sending download stream media data during server download stream media data to server, or determining currently to send to server the request accelerating download stream media data from during server download stream media data;
Receiver module 23, for receiving the stream medium data that described server sends.
Alternatively, described determination module 21 specifically for:
Test constantly is carried out to the signal strength signal intensity of Serving cell and adjacent area, and determines to be about to enter Zone switched or weak overlay area according to the signal strength signal intensity measuring Serving cell and the adjacent area obtained.
Alternatively, described determination module 21 specifically for:
Test constantly is carried out to the signal strength signal intensity of Serving cell and adjacent area, to the reporting signal strength of Serving cell and the adjacent area obtained be measured to base station, and receive described base station is about to enter Zone switched or weak overlay area notice by the described user terminal that RRC signaling sends.
Alternatively, described processing module 22 comprises rrc layer submodule and application layer submodule, wherein:
Described rrc layer submodule, for sending a notification message to application layer submodule, wherein, comprise the information that described user terminal is about to enter Zone switched or weak overlay area in described notification message, or in described notification message, comprise the information of the application layer submodule download stream media data indicating described user terminal;
Described application layer submodule, for determine current not from the request sending download stream media data during server download stream media data to server, or determining currently to send to server the request accelerating download stream media data from during server download stream media data.
Alternatively, described application layer submodule also for:
Send the request of download stream media data to server before, determine that the data volume of the stream medium data of current cache is less than default buffer data size threshold value.
Alternatively, in described notification message, also comprise the data-transmission interruptions duration that described rrc layer submodule is estimated, described application layer submodule also for:
Send the request of download stream media data to server before, determine that the duration that the stream medium data of current cache can be play is less than described data-transmission interruptions duration and the duration sum downloading the stream medium data of preset data amount from server.
It should be noted that, the description to each part major function to the description of each part of user terminal in the embodiment of the present invention two, in the embodiment of the present invention two, each part also possesses the function of the method step realized described in embodiment one, meanwhile, the user terminal in the embodiment of the present invention two also has the logic module performing each step of embodiment one.
Those skilled in the art should understand, embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt the form of complete hardware embodiment, completely software implementation or the embodiment in conjunction with software and hardware aspect.And the present invention can adopt in one or more form wherein including the upper computer program implemented of computer-usable storage medium (including but not limited to magnetic disc store, CD-ROM, optical memory etc.) of computer usable program code.
The present invention describes with reference to according to the flow chart of the method for the embodiment of the present invention, equipment (system) and computer program and/or block diagram.Should understand can by the combination of the flow process in each flow process in computer program instructions realization flow figure and/or block diagram and/or square frame and flow chart and/or block diagram and/or square frame.These computer program instructions can being provided to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, making the instruction performed by the processor of computer or other programmable data processing device produce device for realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be stored in can in the computer-readable memory that works in a specific way of vectoring computer or other programmable data processing device, the instruction making to be stored in this computer-readable memory produces the manufacture comprising command device, and this command device realizes the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be loaded in computer or other programmable data processing device, make on computer or other programmable devices, to perform sequence of operations step to produce computer implemented process, thus the instruction performed on computer or other programmable devices is provided for the step realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
Although describe the preferred embodiments of the present invention, those skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of the scope of the invention.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (12)
1. a method for down loading for files in stream media, is characterized in that, described method comprises:
User terminal is determined to be about to enter Zone switched or weak overlay area;
Described user terminal determine current not from the request sending download stream media data during server download stream media data to server, or determining currently to send to server the request accelerating download stream media data from during server download stream media data;
Described user terminal receives the stream medium data that described server sends.
2. the method for claim 1, is characterized in that, user terminal is determined to be about to enter Zone switched or weak overlay area, specifically comprises:
The signal strength signal intensity of described user terminal to Serving cell and adjacent area carries out test constantly;
Described user terminal is determined to be about to enter Zone switched or weak overlay area according to the signal strength signal intensity measuring Serving cell and the adjacent area obtained.
3. the method for claim 1, is characterized in that, user terminal is determined to be about to enter Zone switched or weak overlay area, specifically comprises:
The signal strength signal intensity of described user terminal to Serving cell and adjacent area carries out test constantly;
Described user terminal will measure the reporting signal strength of Serving cell and the adjacent area obtained to base station;
Described user terminal receives described base station is about to enter Zone switched or weak overlay area notice by the described user terminal that radio resource control RRC signaling sends.
4. the method as described in as arbitrary in claims 1 to 3, it is characterized in that, described user terminal determine current not from the request sending download stream media data during server download stream media data to server, or determining currently to send to server the request accelerating download stream media data from during server download stream media data, specifically comprise:
The rrc layer of described user terminal sends a notification message to application layer, wherein, comprise the information that described user terminal is about to enter Zone switched or weak overlay area in described notification message, or in described notification message, comprise the information of the application layer download stream media data indicating described user terminal;
The application layer of described user terminal determine current not from the request sending download stream media data during server download stream media data to server, or determining currently to send to server the request accelerating download stream media data from during server download stream media data.
5. method as claimed in claim 4, is characterized in that, the application layer of described user terminal also comprised send the request of download stream media data to server before:
The data volume of the stream medium data of the application layer determination current cache of described user terminal is less than default buffer data size threshold value.
6. method as claimed in claim 4, is characterized in that, also comprise the data-transmission interruptions duration that described rrc layer is estimated in described notification message, and the application layer of described user terminal also comprised send the request of download stream media data to server before:
The duration that the stream medium data of the application layer determination current cache of described user terminal can be play is less than described data-transmission interruptions duration and the duration sum downloading the stream medium data of preset data amount from server.
7. a user terminal, is characterized in that, described user terminal comprises:
Determination module, is about to enter Zone switched or weak overlay area for determining;
Processing module, for determine current not from the request sending download stream media data during server download stream media data to server, or determining currently to send to server the request accelerating download stream media data from during server download stream media data;
Receiver module, for receiving the stream medium data that described server sends.
8. user terminal as claimed in claim 7, is characterized in that, described determination module specifically for:
Test constantly is carried out to the signal strength signal intensity of Serving cell and adjacent area, and determines to be about to enter Zone switched or weak overlay area according to the signal strength signal intensity measuring Serving cell and the adjacent area obtained.
9. user terminal as claimed in claim 7, is characterized in that, described determination module specifically for:
Test constantly is carried out to the signal strength signal intensity of Serving cell and adjacent area, to the reporting signal strength of Serving cell and the adjacent area obtained be measured to base station, and receive described base station is about to enter Zone switched or weak overlay area notice by the described user terminal that radio resource control RRC signaling sends.
10. the user terminal as described in as arbitrary in claim 7 ~ 9, it is characterized in that, described processing module comprises rrc layer submodule and application layer submodule, wherein:
Described rrc layer submodule, for sending a notification message to application layer submodule, wherein, comprise the information that described user terminal is about to enter Zone switched or weak overlay area in described notification message, or in described notification message, comprise the information of the application layer submodule download stream media data indicating described user terminal;
Described application layer submodule, for determine current not from the request sending download stream media data during server download stream media data to server, or determining currently to send to server the request accelerating download stream media data from during server download stream media data.
11. user terminals as claimed in claim 10, is characterized in that, described application layer submodule also for:
Send the request of download stream media data to server before, determine that the data volume of the stream medium data of current cache is less than default buffer data size threshold value.
12. user terminals as claimed in claim 10, is characterized in that, also comprise the data-transmission interruptions duration that described rrc layer submodule is estimated in described notification message, described application layer submodule also for:
Send the request of download stream media data to server before, determine that the duration that the stream medium data of current cache can be play is less than described data-transmission interruptions duration and the duration sum downloading the stream medium data of preset data amount from server.
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| CN106899958A (en) * | 2017-02-08 | 2017-06-27 | 努比亚技术有限公司 | A kind of information download apparatus and method |
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