CN101102547B - Method for periodical file update and download - Google Patents
Method for periodical file update and download Download PDFInfo
- Publication number
- CN101102547B CN101102547B CN2007101358998A CN200710135899A CN101102547B CN 101102547 B CN101102547 B CN 101102547B CN 2007101358998 A CN2007101358998 A CN 2007101358998A CN 200710135899 A CN200710135899 A CN 200710135899A CN 101102547 B CN101102547 B CN 101102547B
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Abstract
The method comprises: before sending the file attribute information to the terminal, the system front end adds the file periodically-updating identity field and the file periodically-updating cycle field into the file download attribute in the file attribute information and valuates them; after receiving the file attribute information, and before starting to download, the terminal executes the following steps: during the file periodically-updating cycle, the system front end cyclically broadcasts the multimedia data broadcast file; after ending the file periodically-updating cycle, both terminal and system front end decide if the time of ending the download comes; if yes, ending the download; otherwise, entering the next update cycle.
Description
Technical field
The present invention relates to digital mobile multimedia broadcasting field, relate in particular to a kind of method of file regular update download and the sending method of file information update time.
Background technology
In recent years, digital mobile multimedia broadcasting technology and standard evolution are rapid, Ou Zhou DVB-H (Digital Video Broadcast Handheld for example, the reception of digital video broadcast-handheld formula), MediaFLO (the Media Forward Link Only of the U.S., the single forward link of medium) and the CMMB (China Mobile Multimedia Broadcasting, Mobile Multimedia Broadcasting) etc. of China.
The CMMB Mobile Multimedia Broadcasting adopts time division way to send MBMS service, and the duration of its broadcast channel frame is 1 second, is made up of 40 25 milliseconds of time slots.The ESG of CMMB (ElectronicService Guide, electron service instruction) is configured on the independent time slot usually, separates with other business time-slot.
In mobile multi-media service, wherein important one is business such as file download.The user can buy and download various files and the data broadcast service of browsing based on files classes according to the hobby of oneself.
In the file downloading service, further segmentation, the file that has provides download such as MP3 song, clip file etc. always in the quite a long time, and do not have renewal, and the file that has, the file service stronger as some real-times, as web page browsing, regular program download etc., periodically update, also having a kind of business is according to the customization of the demand of operator, need carry out irregular renewal.
In existing data broadcast standard, be to define professional download time by independent SDP (ServiceDescription Protocol, business description agreement) file as DVB-H.If desired transaction file download time, then need to revise SDP file.In MediaFLO, it also is the download time of defined file in the SI (System Information, system information), if change or upgrade download time then needs to upgrade or revise SI information.In the ESG of CMMB standard, can only define professional download time according to the form of playing programs.When processing needs the mobile multimedia data broadcast file downloading service of regular update, need to revise the ESG information among the CMMB and notify terminal to switch on the ESG time slot, download file attribute information and programme information among the ESG again.
In sum, in existing data broadcast standard, in SI, SDP or ESG information, use beginning download time and finish download time defined one download time window, as shown in Figure 1.System front end circulation in this window fragment of issuing the documents, terminal download time can be in this time window file in download.If file need carry out down loading updating, terminal can only go to seek new time window again in SI, SDP or ESG.Adopt this kind mode can cause the interruption of user's current business, efficient is lower, and the user uses inconvenience.
Summary of the invention
The technical problem to be solved in the present invention is to propose the method that a kind of file regular update is downloaded, so that terminal effectively receives and handle above-mentioned files classes business.
The technical solution used in the present invention is:
The invention provides the method that a kind of file regular update is downloaded, be applied to the mobile multimedia data broadcast field, may further comprise the steps:
A, system front end are before sending to terminal with file attribute information, and the file in file attribute information is downloaded and added file regular update attribute field and file regular update period field in the attribute, and is its assignment; Terminal receives file attribute information, when beginning download time arrival, carries out following steps;
The mobile multimedia data broadcast file of system front end broadcast (sites) in turn in b, terminal downloads file regular update cycle;
Behind c, the file regular update end cycle, terminal and system front end judge whether respectively to have arrived and finish download time, if finish down loading updating; Otherwise, enter next update cycle, execution in step b.
Further, when file regular update sign was effective, file regular update period field existed.
Adopt method provided by the present invention, operator can make terminal need not search for the FileVersion whether renewal is arranged repeatedly by download and the update cycle that specific file is set, and has simplified user's operation, has reduced the resource loss of terminal.
Description of drawings
Fig. 1 is the file download time window schematic diagram in the existing standard;
Fig. 2 be in the embodiment of the invention update time in file cycle the field schematic diagram.
Embodiment
Below in conjunction with drawings and Examples technical scheme of the present invention is described in detail.
In file is downloaded attribute, defined file regular update attribute field and file regular update period field, its structure such as Fig. 2, wherein file regular update period field is an Optional Field, only when effectively existence when (is 1 as its value) of file regular update sign.
Adopted the file download process of file regular update field as follows:
(1) file of system front end in file attribute information downloaded and file regular update attribute field and file regular update period field is set in the attribute and is its assignment, and after in file attribute information, adding beginning download time and finishing file information update time such as download time, above-mentioned file attribute information is sent to terminal by electron service instruction or data broadcast service channel;
(2) terminal is after receiving above-mentioned file attribute information, therefrom parses beginning download time, finishes download time, file regular update attribute field and file regular update period field, when beginning download time arrives, carries out following steps;
(3) system front end begins the mobile multimedia data broadcast file of broadcast (sites) in turn and this corresponding version of cycle, and fileversion number upgrades, and terminal begins to download this document;
When (4) treating this document regular update end cycle, terminal stops to receive this document, and system front end also stops broadcast (sites) in turn this document;
(5) system front end and terminal judge whether respectively to have arrived and finish download time, if, execution in step (6); Otherwise, enter next download period, execution in step (3);
(6) finish.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (2)
1. the method that the file regular update is downloaded is applied to the mobile multimedia data broadcast field, it is characterized in that, may further comprise the steps:
A, system front end are before sending to terminal with file attribute information, and the file in described file attribute information is downloaded and added file regular update attribute field and file regular update period field in the attribute, and is its assignment; Described terminal receives described file attribute information, when beginning download time arrival, carries out following steps;
The mobile multimedia data broadcast file of described system front end broadcast (sites) in turn in b, described file regular update cycle of described terminal downloads;
Behind c, the described file regular update end cycle, described terminal and system front end judge whether respectively to have arrived and finish download time, if finish down loading updating; Otherwise, enter next update cycle, execution in step b.
2. the method for claim 1 is characterized in that, when described file regular update sign was effective, described file regular update period field existed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101358998A CN101102547B (en) | 2007-08-01 | 2007-08-01 | Method for periodical file update and download |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101358998A CN101102547B (en) | 2007-08-01 | 2007-08-01 | Method for periodical file update and download |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101102547A CN101102547A (en) | 2008-01-09 |
| CN101102547B true CN101102547B (en) | 2011-03-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007101358998A Expired - Fee Related CN101102547B (en) | 2007-08-01 | 2007-08-01 | Method for periodical file update and download |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101102547B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101252602B (en) * | 2008-03-31 | 2010-12-08 | 成都市华为赛门铁克科技有限公司 | System and method for downloading and distributing files |
| CN101615960B (en) | 2008-06-23 | 2013-04-17 | 华为技术有限公司 | Method, terminal and server for updating interactive component |
| CN101754183B (en) * | 2008-12-19 | 2013-02-13 | 北大方正集团有限公司 | Method, device and system for mobile device to automatically download digital content |
| US8863192B2 (en) | 2010-01-07 | 2014-10-14 | Qualcomm Incorporated | Adaptive monitoring method for update detection in a mobile broadcast network |
| CN101795437A (en) * | 2010-01-26 | 2010-08-04 | 中兴通讯股份有限公司 | File downloading method and device thereof |
| CN102521272A (en) * | 2011-11-23 | 2012-06-27 | 国网信息通信有限公司 | Method and device used for automatically labeling invalid literature |
| CN103237060B (en) * | 2013-04-08 | 2016-01-20 | 小米科技有限责任公司 | A kind of data object acquisition, Apparatus and system |
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2007
- 2007-08-01 CN CN2007101358998A patent/CN101102547B/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN101102547A (en) | 2008-01-09 |
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Granted publication date: 20110316 Termination date: 20200801 |